1. S. Garvey, I. COLAK and M.T. Wright, "Variable
inertia test for full-load temperature rise testing of induction machines", IEE Proceedings-Electric Power
Applications, Vol. 142, No. 3, pp. 222-224, May 1995.
2. I. COLAK, S. Garvey and M.T. Wright, "Simulation of induction machines using phase variables and the
explicit inverse of the inductance matrix", International Journal of
Electrical Engineering Education, Vol. 32, No. 4, pp. 354-365, October
1995.
3. I. COLAK and E.N. Yilmaz, "Simulation of the parallel connection of electrical power stations", International Journal of
Electrical Engineering Education, Vol. 36, No. 4, pp. 332-341, October
1999.
4.I.
COLAK,
R. Bayindir and Ö.F. Bay, "Reactive power compensation using a
fuzzy logic controlled synchronous motor", Energy Conversion and
Management, Vol. 44, No. 13, pp. 2059-2215, August 2003.
5.I.
COLAK,
R. Bayindir and I. Sefa, "Experimental study on reactive power
compensation using a fuzzy logic controlled synchronous motor", Energy Conversion and
Management, Vol. 45, No. 15-16, pp. 2371-2391, September 2004.
6.G. Bal, E. Bekiroglu, S. Demirbas
and I. COLAK, "Fuzzy logic based DSP controlled servo position control for
ultrasonic motor", Energy Conversion and Management, Vol. 45,
No. 20, pp. 3127-3266, December 2004.
7. I. COLAK and R. Bayindir, "A novel dynamic reactive power compensator based on PIC", Electric Power Components
& Systems, Vol. 33, No. 8, pp. 861-876, August 2005.
8. I. COLAK, H. Celik, I. Sefa and S.
Demirbas, "On line protection system for induction
motors",
Energy Conversion and Management, Vol. 46, No. 17, pp. 2773-2786, October
2005.
9. S.
Sagiroglu,I. COLAK and R. Bayindir,"Power
factor correction technique based on artificial neural networks", Energy Conversion and Management,
Vol. 47, No. 18-19, pp. 3204-3215,November 2006.
10. I.
COLAK, I. Kosalay and A. Inan,"Estimation
of magnetic field distributions in substation centers using artificial
neural networks", Journal of Scientific & Industrial Research,
Vol. 66, No. 10, pp. 819-827, October 2007.
11. I. COLAKand I. Kosalay, "Neural network estimation of rf
electromagnetic pollution near tv broadcast transmitters", Microwave and Optical
Technology Letters, Vol. 50, No. 4, pp. 1004-1010,
April 2008.
12. R.
Bayindir, I. Sefa,I.COLAKand A. Bektas, "Fault detection and protection of induction motors using sensors", IEEE Transactions on Energy
Conversion, Vol. 23, No. 3, pp. 734-741, September 2008.
13.I.COLAK, S. Demirbas, I. Sefa, E. Irmak and
H.T. Kahraman, "Remote controlling and monitoring of a
HVAC system over the Internet",Journal of Scientific & Industrial Research,
Vol. 67, No. 9, pp. 680-684, September 2008.
14.I. Sefa, M. Demirtas, I. Garip and I.
COLAK,"Design and implementation of parallel operation set of alternators
for education purpose",Journal of the Faculty of Engineering and
Architecture of Gazi University, Vol. 23, No. 3, pp. 729-739, September
2008.
15.S.
Demirbas, E. Irmak, S. Bayhan and I. COLAK,"Torque
and speed control of wound rotor induction motor by adjusting the rotor
resistance with a microcontroller", Journal of the Faculty of
Engineering and Architecture of Gazi University, Vol. 23, No. 4, pp. 801-809, December 2008.
16. M.
Demirtaş, I. Sefa, E. Irmak andI. COLAK,"Microcontroller
based dc/dc boost converter for solar energy systems", Journal of the Faculty of
Engineering and Architecture of Gazi University, Vol. 23, No. 3, pp.
719-728, September 2008.
17. S. Sagiroglu, I. COLAK
and H.T. Kahraman, "Transition to adaptive educational
hypermedia system from web based educational system: review of design
approaches for the AEHS”, Journal of the Faculty of Engineering and
Architecture of Gazi University, Vol. 23, No. 4, pp. 837-852, December
2008.
18. R.
Bayindir, I. COLAK, I. Garip and S.
Bayhan, "Microcontroller based warning system
for right phase order and phase collapse for alternators",
Journal of the Faculty of Engineering and
Architecture of Gazi University, Vol. 24, No. 1, pp.
105-117, March 2009.
19.
R.
Bayindir, S. Sagiroglu and I.
COLAK, "An
intelligent power factor corrector for power system using artificial neural
networks", Electrical Power System Research, Vol. 79,
No. 1, pp. 152-160, January 2009.
20. I. Sefa,
M. Demirtas and I. COLAK, "Application
of one-axis sun tracking system", Energy Conversion and
Management, Vol. 50, No. 11, pp. 2709-2718, November 2009.
21. R. Bayindir, S. Sagiroglu, I. COLAK and
A. Ozbilen, "Investigating industrial risks based on
information security for observerable electrical energy distribution system
and suggestions", Journal of the Faculty of Engineering and
Architecture of Gazi University, Vol. 24, No. 34, pp. 715-723, December
2009.
22. S.
Sagiroglu, R. Bayindir and I. COLAK, "Design and implementation of a neural controller for power factor
correction", International Journal of Engineering Intelligent Systems,
Vol. 17,No. 4,pp. 209-220, December 2009.
23. I. Sefa,
R. Bayindir, I. Garip, S. Bayhan and I. COLAK, "Providing equality of frequencies and phase angles based on
microcontroller for parallel connection of generators", Journal of the Faculty of
Engineering and Architecture of Gazi University, Vol. 25, No. 1, pp. 39-48,
March 2010.
24. E.
Kabalci, E. Irmak and I. COLAK, "Design
of an AC-DC-AC converter for renewable energy sources", International Journal of
Energy Research, Vol. 35, No. 2, pp. 169-175, February 2011.
25. I.
COLAK, S. Demirbas, S. Sagiroglu and E. Irmak,"A novel web based laboratory for
dc motor experiments", Computer Applications in Engineering
Education, Vol. 19, No. 1, pp. 125-135, March 2011.
26. E. Irmak,
R. Bayindir, I. COLAK and M. Soysal, "A remote laboratory experiment for 4-quadrant control of a dc motor", Computer Applications in
Engineering Education, Vol. 19, No. 4, pp. 747-758, December 2011.
27. R.
Bayindir, E. Irmak, I. COLAK and A. Bektas, "Development of a real time energy monitoring platform", International Journal of
Electrical Power and Energy Systems, Vol. 33, No. 1, pp. 137-146, January 2011.
28.I. COLAK, E. Kabalci and R. Bayindir, "Review of multilevel voltage source inverter topologies and control
schemes", Energy Conversion and Management, Vol. 52, No. 2, pp.
1114-1128, February 2011.
29. I. COLAKand O. Kaplan, "Sensorless
dc voltage control for a single phase active filter", Journal of the Faculty of
Engineering and Architecture of Gazi University, Vol. 26, No. 1, pp.
223-232, March 2011.
30.I. COLAKand E. Kabalci, "Practical implementation of a digital signal processor controlled
multilevel inverter with low total harmonic distortion for motor drive
applications", Journal of Power Sources, Vol. 196, No. 18, pp.
7585-7593, September 2011.
31.I. COLAK, S. Sagiroglu and M. Yesilbudak M.,
"Data mining and wind power prediction:
a literature review", Renewable Energy, Vol. 46, pp.
241-247, October 2012.
32. H.T.
Kahraman, S. Sagiroglu andI. COLAK, "A novel model for web-based adaptive educational hypermedia systems:
sahm (supervised adaptive hypermedia model", Computer Applications in
Engineering Education, Vol. 21, No. 1, pp. 60-74, March 2013.
33.I. COLAKand Kabalci E., "Developing a novel sinusoidal pulse width modulation (spwm)
technique to eliminate side band harmonics", International Journal of
Electrical Power and Energy Systems, Vol. 44, No. 1, pp. 861-871, January
2013.
34. H.T.
Kahraman, S. Sagiroglu and I. COLAK, "The
development of intuitive knowledge classifier and the modeling of domain
dependent data", Knowledge Based Systems, vol. 37, pp.
283-295, January 2013.
35.I. COLAK, S. Sagiroglu, M. Demirtas and M.
Yesilbudak, "A data mining approach: Analyzing wind
speed and insolation period data in Turkey for installations of wind and
solar power plants", Energy Conversion and Management, vol. 65,
pp. 185-197, January 2013.
36.I. COLAK and E. Kabalci, "Implementation of energy-efficient inverter for renewable energy
sources", Electric Power Components and Systems, Vol. 41, No. 1, pp.
31-46, 2013.
37. M.
Yesilbudak, S. Sagiroglu and I. COLAK, "A new approach to very short term wind speed prediction using
k-nearest neighbor classification", Energy Conversion and
Management, Vol. 69, pp. 77-86, May 2013.
38. I.
COLAK, R. Bayindir, G. Fulli, I. Tekin, K. Demirtas and C.F. Covrig
"Smart grid opportunities and
applications in Turkey", Renewable and Sustainable Energy Reviews,
Vol. 33, pp. 344-352, May 2014.
39.I. COLAK, E. Irmak, E. Kabalci and F.
Issi, "Design and implementation of a remote
laboratory platform using Matlab builder for NE", Computer Applications in
Engineering Education, Vol. 22, No. 4, pp. 617-629, December 2014.
40. I.
COLAK, M. Demirtas and E. Kabalci, "Design, optimisation and application of a resonant dc link inverter
for solar energy systems", Compel (The International Journal for
Computation and Mathematics in Electrical and Electronic Engineering), Vol.
33, No. 5, pp. 1761-1776, 2014.
41. M. Yesilbudak, S. Sagiroglu and I. COLAK,
"A
novel intelligent approach for yaw position forecasting in wind energy
systems", International Journal of Electrical Power & Energy
Systems, Vol. 69, pp. 406-413, July 2015.
42. I. COLAK, E. Kabalci, G. Fulli and S.
Lazarou, "A survey on the contributions of power electronics to smart grid
systems", Renewable and Sustainable Energy Reviews, Vol. 47, pp.
562-579, July 2015.
43. I. COLAK, G. Fulli, S.
Sagiroglu, M. Yesilbudak and C.F. Covrig, "Smart grid projects in Europe: Current
status, maturity and future scenarios", Applied Energy, Vol. 152,
pp. 58-70, August 2015.
44. I. COLAK, G. Fulli, S. Bayhan, S. Chondrogiannis and S. Demirbas, "Critical aspects of wind energy systems in smart grid
applications", Renewable & Sustainable
Energy Reviews, Vol. 52, pp. 155-171, December 2015.
45. I. COLAK, G. Fulli, S. Sagiroglu, M.
Yesilbudak and C.F. Covrig, "A survey on the critical issues in
smart grid technologies", Renewable and Sustainable
Energy Reviews, Vol. 54, pp. 396-405, February 2016.
46.
H.T. Kahraman, S. Sagiroglu and I. COLAK, "Novel
user modeling approaches for personalized learning environments”, International Journal of
Information Technology & Decision Making, vol. 15, no. 3, pp. 575-602,
May 2016.
47. O. Aissa,
S. Moulahoum, I. COLAK, N. Kabache and B. Babes, "Improved
performance and power quality of direct torque control of asynchronous
motor by using intelligent controllers", Electric Power Components
& Systems, vol. 44, no. 4, pp. 343-358, February 2016.
48. K.
Kajiwara, H. Tajima, H. Maruta, F. Kurokawa and I. COLAK, "Dynamic
characteristics of integral gain changeable digital control DC-DC converter
for suppression of output capacitance",
International Journal of Renewable Energy Research and Application, Vol. 6, No. 1, pp. 237-244, March 2016.
49. S.
Blaifi, S. Moulahoum, I. COLAK and W. Merrouche, "An
enhanced dynamic model of battery using genetic algorithm suitable for
photovoltaic applications", Applied Energy, vol. 169,
pp. 888-898, May 2016.
50. B.
Abdelhakem, I. COLAK and O. Isik, "Photovoltaic
maximum power point tracking under fast varying of solar radiation", Applied Energy, vol. 179,
pp. 523-530, July 2016.
51. R.
Bayindir, I. COLAK, G. Fulli and K. Demirtas, "Smart grid
technologies and applications", Renewable and Sustainable Energy
Reviews, vol. 66, pp. 499–516, 2016.
52. I. COLAK, B. Abdelhakem and K. Kayisli,
"Implementation of a modified
P&O-MPPT algorithm adapted for varying solar radiation conditions",
Electrical Engineering, vol. 99, pp. 839–846, October 2016.
53. M.
Yesilbudak, S. Sagiroglu and I. COLAK, "A novel implementation of kNN classifier based on multi-tupled
meteorological input data for wind power prediction",
Energy Conversion and Management,
vol. 135, pp. 434-444, March 2017.
54. O. Aissa,
S. Moulahoum, I. COLAK, B. Babes and N.
Kabache, "Design and real time implementation of three-phase three switches
three levels Vienna rectifier based on intelligent controllers", Applied
Soft Computing, vol. 56, pp. 158-172, July 2017.
55.
A. Benyamina, S. Moulahoum, I. COLAK, R. Bayindir, "Design
and real time implementation of adaptive neural-fuzzy inference system
controller based unity single phase power factor converter",
Electric Power Systems Research, vol. 152, pp. 357-366, November 2017.
56. M.S. Chaouche, H. Houassine,
S. Moulahoum and I. COLAK, "BA to construction
of equivalent circuit of a transformer winding from frequency response
analysis measurement", IET Electric Power
Applications, vol. 12, no. 5, pp. 728-736, May 2018.
57. S. Blaifi, S. Moulahoum, I. COLAK
and W. Merrouche, "Monitoring and enhanced dynamic
modeling of battery by genetic algorithm using LabVIEW applied in
photovoltaic system", Electrical Engineering, vol.
100, no. 2, pp. 1021-1038, June 2018.
58. I. COLAK, F. Kurokawa, N. Fahmi and R. Bayindir, "The
5th IEEE International Conference on Renewable Energy Research and
Applications (ICRERA 2016)", Environmental
Science and Pollution Research,ol. 25, no. 25, pp. 24517-24519,
59. A. Harrouz, H. Becheri, I. COLAK
and K. Kayisli, "Backstepping control of a separately excited DC motor", Electrical
Engineering, vol. 100,
no. 3, pp. 1393-1403, September 2018.
60. O. Aissa,
S. Moulahoum, I. COLAK, B. Babes and N.
Kabache, "Analysis and experimental evaluation of
shunt active power filter for power quality improvement based on predictive
direct power control", Environmental Science and Pollution
Research, vol. 25,
no. 25, pp. 24548-24560
61.
A. Belkaid, I. COLAK
and K. Kayisli, “A
novel approach of perturb and observe technique adapted to rapid change of
environmental conditions and load”,
Electric Power Components and Systems, vol. 48, no. 4-5, pp. 375-387, 2020.
62.
S. Metatla, S. Mekhtoub, A. Nesba, I. COLAK
and M. Ouadah, “Analytical
design of fractional order proportional-integral controller for enhanced
power control of doubly-fed induction generator”,
Revue. Roumaine des Sciences et Techniques–Électrotechnique et Energétique,
vol. 65, no. 1-2, pp. 109-115, 2020.
63.
F. Mazouz, S. Belkacem, I. COLAK,
S. Drid and Y. Harbouche, “Adaptive
direct power control for double fed induction generator used in wind turbine”,
International Journal of Electrical Power & Energy Systems, vol. 114,
105395, 2020.
64.
H. Shokouhandeh, S. Latif, S. Irshad, M.A. Kamarposhti, I. COLAK
and K. Eguchi, “Optimal
management of reactive power considering voltage and location of control
devices using artificial bee algorithm”,
Applied Sciences, vol. 12, no. 1, 27, 2021.
65.
J.U. Prakash, P. Sivaprakasam, I. Garip, S.J. Juliyana, G. Elias, G.
Kalusuraman and I. COLAK,
“Wire
electrical discharge machining (WEDM) of hybrid composites (Al-Si12/B4C/Fly
Ash)”,
Journal of Nanomaterials, pp. 1-10, 2021.
66.
S.A. Taya, M.G. Daher, I. COLAK
and O.M. Ramahi, “Highly
sensitive nano-sensor based on a binary photonic crystal for the detection
of mycobacterium tuberculosis bacteria”,
Journal of Materials Science: Materials in Electronics, vol. 32, no. 24, pp.
28406-28416, 2021.
67.
S.A. Taya, M.A. Abutailkh, I. COLAK
and O.M. Ramahi, “Modelling
of three tunable multichannel filters using Ag metal as a defect layer in a
photonic crystal”,
Optical and Quantum Electronics, vol. 53, no. 11, pp. 1-15, 2021.
68.
S.A. Taya, A.J. Hussein, O.M. Ramahi, I. COLAK
and Y.B. Chaouche, “Dispersion
curves of a slab waveguide with a nonlinear covering medium and an
exponential graded-index thin film (transverse magnetic case)”,
Journal of the Optical Society of America B, vol. 38, no. 11, pp. 3237-3243,
2021.
69.
M.I.A.M. Alghamdi, I. COLAK,
M.M.A. Zahra and T. Bothichandar, “Environmental
emission analysis of biodiesel with Al2O3 nanometal additives as fuel in a
diesel engine”,
Journal of Nanomaterials, pp. 1-7, 2021.
70.
N. Doghmosh, S.A. Taya, A. Upadhyay, M.M. Olaimat and I. COLAK,
“Enhancement
of optical visible wavelength region selective reflector for photovoltaic
cell applications using a ternary photonic crystal”,
Optik, vol. 243, 167491, 2021.
71.
S.A. Taya, N. Doghmosh, M.A. Abutailkh, A. Upadhyay, Z.M. Nassar and I. COLAK,
“Properties
of band gap for p-polarized wave propagating in a binary
superconductor-dielectric photonic crystal”,
Optik, vol. 243, 167505, 2021.
72.
S.A. Taya, I. COLAK,
B. Suthar and O.M. Ramahi, “Cancer
cell detector based on a slab waveguide of anisotropic, lossy, and
dispersive left-handed material”,
Applied Optics, vol. 60, no. 27, pp. 8360-8367, 2021.
73.
M.A. Kamarposhti, H. Shokouhandeh, I. COLAK,
S.S. Band and K. Eguchi, “Optimal
location of FACTS devices in order to simultaneously improving transmission
losses and stability margin using artificial bee colony algorithm”,
IEEE Access, vol. 9, pp. 125920-125929, 2021.
74.
S.A. Taya, N.E. Al-Ashi, O.M. Ramahi, I. COLAK
and I.S. Amiri, “Surface
plasmon resonance-based optical sensor using a thin layer of plasma”,
Journal of the Optical Society of America B, vol. 38, no. 8, pp. 2362-2367,
2021.
75.
M.A. Kamarposhti, I. COLAK
and K. Eguchi, “Optimal
energy management of distributed generation in micro-grids using artificial
bee colony algorithm”,
Mathematical Biosciences and Engineering, vol. 18, no. 6, pp. 7402-7418,
2021.
76.
S.A. Taya, O.M. Ramahi, M.A. Abutailkh, N. Doghmosh, Z.M. Nassar, A.
Upadhyay and I. COLAK,
“Investigation
of bandgap properties in one-dimensional binary superconductor–dielectric
photonic crystal: TE case”,
Indian Journal of Physics, pp. 1-10, 2021.
77.
A. Belkaid, I. COLAK
and K. Kayisli, “A
direct adaptive sliding mode high voltage gain peak power tracker for
thermoelectric applications”,
Revue Roumaine des Sciences Techniques-Serie Electrotechnique et Energetique,
vol. 66, no. 2, pp. 131-136, 2021.
78.
M.A. Kamarposhti, H. Shokouhandeh, I. COLAK
and K. Eguchi, “Performance
improvement of reluctance synchronous motor using brain emotional learning
based intelligent controller”,
Electronics, vol. 10, no. 21, 2595, 2021.
79.
G. Ala, I. COLAK,
G. Di Filippo, R. Miceli, P. Romano, C. Silva, S. Valtchev and F. Viola, “Electric
mobility in portugal: current situation and forecasts for fuel cell vehicles”,
Energies, vol. 14, no. 23, 7945, 2021.
80.
H. Shokouhandeh, M.A. Kamarposhti, I. COLAK
and K. Eguchi, “Unit
commitment for power generation systems based on prices in smart grid
environment considering uncertainty”,
Sustainability, vol. 13, no. 18, 10219, 2021.
81.
D.N. Alhamss, S.A. Taya, I. COLAK
and S.K. Patel, “Properties
of the defect mode of a ternary photonic crystal having an n-doped
semiconductor as a defect layer: TE case”,
Materials Science in Semiconductor Processing, vol. 144, 106626, 2022.
82.
S.A. Taya, A.J. Hussein and I. COLAK,
“An
exact solution of a slab waveguide dispersion relation with a linear
graded-index guiding layer (TM case)”,
Microsystem Technologies, pp. 1-7, 2022.
83.
P. Yupapin, Y. Trabelsi, D. Vigneswaran, S.A. Taya, M.G. Daher and I. COLAK,
“Ultra-high-sensitive
sensor based on surface plasmon resonance structure having si and graphene
layers for the detection of chikungunya virus”,
Plasmonics, pp. 1-7, 2022.
84.
S. Latif, S. Irshad, M.A. Kamarposhti, H. Shokouhandeh, I. COLAK
and K. Eguchi, “Intelligent
design of multi-machine power system stabilizers (PSSS) using improved
particle swarm optimization”,
Electronics, vol. 11, no. 6, 946, 2022.
85.
M.G. Daher, S.A. Taya, I. COLAK,
D. Vigneswaran, M.M. Olaimat, S.K. Patel, O.M. Ramahi and A.H.M. Almawgani,
“Design
of a nano-sensor for cancer cell detection based on a ternary photonic
crystal with high sensitivity and low detection limit”,
Chinese Journal of Physics, vol. 77, pp. 1168-1181, 2022.
86.
M.A. Kamarposhti, I. COLAK,
C. Iwendi, S.S. Band and E. Ibeke, “Optimal
coordination of PSS and SSSC controllers in power system using ant colony
optimization algorithm”,
Journal of Circuits, Systems and Computers, vol. 31, no. 4, 2250060, 2022.
87.
R. Etemad, M.S. Ghazizadeh, M.A. Kamarposhti, I. COLAK
and K. Eguchi, “A
new approach for the incorporation of the end-user’s smart power–electronic
interface in voltage support application”,
Electronics, vol. 11, no. 5, 765, 2022.
88.
S. Vadi, R. Bayindir, Y. Toplar and I. COLAK,
“Induction
motor control system with a Programmable Logic Controller (PLC) and Profibus
communication for industrial plants-An experimental setup”,
ISA Transactions, vol. 122, pp. 459-471, 2022.
89.
S.A. Taya, D.N. Alhamss, I. COLAK
and S.K. Patel, “Sensitivity
enhancement of an optical sensor based on a binary photonic crystal for the
detection of Escherichia coli by controlling the central wavelength and the
angle of incidence”,
Optical and Quantum Electronics, vol. 54, pp. 1-17, 2022.
90.
M.G. Daher, S.A. Taya, I. COLAK
and O.M. Ramahi, “Design
of a novel optical sensor for the detection of waterborne bacteria based on
a photonic crystal with an ultra-high sensitivity”,
Optical and Quantum Electronics, vol. 54, pp. 1-18, 2022.
91.
M.G. Daher, S.A. Taya, I. COLAK,
S.K. Patel, M.M. Olaimat and O. Ramahi, “Surface
plasmon resonance biosensor based on graphene layer for the detection of
waterborne bacteria”,
Journal of Biophotonics, 2022.
92.
N. Doghmosh, S.A. Taya, Z.M. Nassar and I. COLAK,
“Defect
mode and bandgap properties of a ternary photonic crystal with a
nanocomposite defect layer”,
Indian Journal of Physics, pp. 1-9, 2022.
93.
S.A. Taya, A. Sharma, N. Doghmosh and I. COLAK,
“Detection
of water concentration in ethanol solution using a ternary photonic
crystal-based sensor”,
Materials Chemistry and Physics, vol. 279, 125772, 2022.
94.
Y. Furukawa, Y. Shibata, H. Eto, I. COLAK
and F. Kurokawa, “Static
analysis of digital peak current mode DC-DC converter using
current-frequency conversion”,
IEEE Transactions on Power Electronics, vol. 37, no. 7, pp. 7688-7704, 2022.
95.
G. Ramalingam, C. Ragupathi, B. Rangasamy, I. COLAK
and V. Vetrivelan, “Structural
and optical properties of CdSe/CdTe core-shell quantum dots”,
Journal of Nanomaterials, pp. 1-7, 2022.
96.
K. Govindarajan, V. Parasuraman, P.P. Sekar, I. COLAK
and B.Z. Hailemeskel, “Newly
synthesized micro-nano transition metal complexes of hexadecanoic acid as
anti-microbial agents: Synthesis, characterization, and biological
investigations”,
Journal of Nanomaterials, pp. 1-10, 2022.
97.
A. Busacca, A.O. Di Tommaso, R. Miceli, C. Nevoloso, G. Schettino, G.
Scaglione, F. Viola and I. COLAK,
“Switching
frequency effects on the efficiency and harmonic distortion in a three-phase
five-level CHBMI prototype with multicarrier PWM schemes: Experimental
analysis”,
Energies, vol. 15, no. 2, 586, 2022.
2. Engineering Index’e Giren Makaleler
1. I.
COLAK, G. Bal and C. Elmas, "Review
of the testing methods for full-load temperature rise testing of induction
machines", EPE Journal-European Power Electronics and Drives, Vol. 6,
No. 1, pp. 37-43, May 1996.
2. E.
Kabalci, R. Bayindir and I. COLAK, "Design and
harmonic analysis of an spwm controlled six-phase multilevel inverter for
photovoltaic panels", International Journal of ElectricalEnergySystems, Vol. 1, No. 2, pp. 93-98, July-December 2009.
3. I. COLAK, R. Bayindir and O. Kaplan, "Single Phase Shunt Active Filters for
Power Quality Improvement", Gazi University Journal of Science, Vol. 23, No.2, pp.
177-186, 2009.
4.
A. Belkaid, I. COLAK and K. Kayisli, "Performance
comparison of different maximum power point trackers for photovoltaic system
under fast varying of environmental conditions",
Revue des Energies Renouvelables, vol. 21, no. 4, pp. 601-621, 2018.
5. A. Belkaid, I. COLAK, K. Kayisli and R. Bayindir, "Modeling of a permanent magnet
synchronous generator in a wind power generation system with an
electrochemical energy storage", International Journal of Smart grid, vol. 2, no. 4, pp. 197-202,
December 2018.
6. A. Belkaid, I. COLAK,
K. Kayisli and R. Bayindir, “Design
and implementation of a cuk converter controlled by a direct duty cycle INC-MPPT
in PV battery system”,
International Journal of Smart Grid, vol. 3, no. 1, pp. 19-25, 2019.
7.
S. Sagiroglu, Y. Canbay and I. COLAK,
“Solutions
and suggestions for smart grid threats and vulnerabilities”,
International Journal of Renewable Energy Research, vol. 9, no. 4, 20, pp.
2053-2063, 2019.
8.
F. Mazouz, S. Belkacem and I. COLAK,
“DPC-SVM
of DFIG using fuzzy second order sliding mode approach”,
International Journal of Smart Grid, vol. 5, no. 4, pp. 174-182, 2021.
9.
H,T. Tran, M.T. Nguyen, C.V. Nguyen, G. Ala , F. Viola and I. COLAK,
“Hybrid
solar-rf energy harvesting mechanisms for remote sensing devices”,
vol. 12, no.1, pp. 294-304, March 2022.
3. Engineering Index’e Giren Uluslararası
Konferans Makaleleri
1. I.
COLAK, S. Garvey and M.T. Wright, "Estimation
of induction machine parameters for simulation of a mixed-frequency test", 6th International
Conference on Electrical Machines and Drives, pp. 208-212, 8-10 September 1993,
Oxford, UK.
2. I.
COLAK, S. Garvey and M.T. Wright, "Mixed-frequency
testing of induction machines using inverters", 5th European
Conference on Power Electronics and Applications (EPE'93), 14-17 September
1993, pp. 317-322, Brighton, UK.
3. I.
COLAK, C. Elmas, G. Bal and I. Coskun, "High frequency resonant DC link PWM inverters", 7th Mediterranean
Electrotechnical Conference (MELECON’94), pp. 1251-1254, 12-14 April 1994,
Antalya, Turkey.
4. C.
Elmas, S. Sagiroglu, I. COLAK and G. Bal, "Nonlinear modelling of a switched reluctance drive based on neural
networks", 7th Mediterranean Electrotechnical Conference
(MELECON’94), pp. 809-812, 12-14 April 1994, Antalya, Turkey.
5. C.
Elmas, S. Sagiroglu, I. COLAK and G. Bal, "Modelling of a nonlinear switched reluctance drive based on
artificial neural networks", 5th International Conference on
Power Electronics and Variable-Speed Drives, pp. 7-12, 26-28 October 1994,
London, UK.
6. G.
Bal, C. Elmas, I. COLAK and I. Sefa, "Dynamic response of a simple resistance compensation for
field-oriented induction motor", 29th Universities Power
Engineering Conference (UPEC’94), pp. 386-389, 14-16 September 1994,
Galway, Ireland.
7. G. Bal, C. Elmas, I. COLAK
and O.F. Bay, "Off-line testing of an EKF algorithm
for rotor resistance estimation of induction motor drives", 29th Universities
Power Engineering Conference (UPEC’94), pp. 501-504, 14-16 September 1994,
Galway, Ireland.
8. S.
Garvey, I. COLAK and M.T. Wright, "Aspects
of mixed-frequency testing of induction machines", International Conference on
Electrical Machines (ICEM'94), 5-8 September 1994, pp. 623-628, Paris,
France.
9. I.
COLAK, E. Irmak, S. Demirbas and S. Sagiroglu, "A novel integrated web based learning system for electric machines
education", International Conference on Power Engineering, Energy and
Electrical Drives (POWERENG’07), pp. 265-269, 12-14 April 2007, Setübal,
Portugal.
10. I.
COLAK, R. Bayindir, A. Bektas, I. Sefa and G. Bal, "Protection of Induction Motor Using PLC", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’07), pp. 96-99,
12-14 April 2007, Setübal, Portugal.
11. H.T.
Kahraman, I. COLAK and S. Sagiroglu, "A web based adaptive educational system", 6th International
Conference on Machine Learning and Applications (ICMLA'07), pp.286-291,
13-15 December 2007, Cincinnati, Ohio, USA.
12. E. Irmak,
R. Bayindir, I. COLAK, S. Sagiroglu and G. Bal,
"A web based real time speed control
experiment on ultrasonic motor for educational purposes", 19th
International Symposium on Power Electronics, Electrical Drives, Automation
and Motion (SPEEDAM’08), pp. 1451-1454, 11-13 June 2008, Ischia, Italy.
13. M.
Demirtas, I. Sefa, E. Irmak and I. COLAK, "Low-cost and high sensitive microcontroller based data acquisition
system for renewable energy sources", 19th
International Symposium on Power Electronics, Electrical Drives, Automation
and Motion (SPEEDAM’08), pp. 196-199, 11-13 June 2008, Ischia, Italy.
14. S. Demirbas, M. Demirtas, I. Sefa,
andI. COLAK, "Building of W&S energy system", 19th
International Symposium on Power Electronics, Electrical Drives, Automation
and Motion (SPEEDAM’08), pp. 1466-1469, 11-13 June 2008, Ischia, Italy.
15. I. COLAK, S. Sagiroglu and H.T.
Kahraman, "A user
modeling approach to web based adaptive educational hypermedia systems", 7th
International Conference on Machine Learning and Applications (ICMLA'08),
pp. 684-699, 11-13 December 2008, San Diego, CA, USA.
16. R. Bayindir,
I. COLAK, E. Kabalci and A. Gorgun, "PID controlled synchronous motor for power factor correction", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’09), pp. 408-412,
18-20 March 2009, Lizbon, Portugal.
17. I. COLAK, R. Bayindir, E.
Kabalci and S. Sagiroglu, "The design analysis of a 5-level
cascaded voltage source inverter with low THD", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG), pp.575-580, 18-20 March 2009, Lizbon, Portugal.
18. I. Sefa,
N. Altin, I. COLAK and S. Ozdemir, "18 pulse controlled rectifier: a case study on UPS", European Conference on Power
Electronics and Applications (EPE’09), pp. 1-9, 8-10 September 2009,
Barcelona, Spain.
19. I.
COLAK, R. Bayindir G. Bal and E. Kabalci, "Modeling of a three phase SPWM multilevel VSI with low THD using
Matlab/Simulink", European
Conference on Power Electronics and Applications (EPE’09), pp. 1-10,
8-10 September 2009, Barcelona, Spain.
20. E. Irmak,
H. Bulut, S. Sagiroglu and I. COLAK, "Usage of .NET platform to build up interactive simulations for
electrical machines”, 3rd IEEE International Conference on
e-Learning in Industrial Electronics (ICELIE’09), 3-5 November 2009, pp.
121-124, Porto, Portugal.
21. I.
COLAK, G. Bal, M. Demirtas, and H.T. Kahraman, "A parameter determination system for wind
turbines based on naive bayes classification algorithm", 8th International
Conference on Machine Learning and Applications (ICMLA’09), pp. 616-616,
13-15 December 2009, Miami, Florida, USA.
22. I.
COLAK, R. Bayindir, H.T. Kahraman and M. Yesilbudak, "Design of an intelligent decision making
system for a travelling wave ultrasonic motor", 8th International
Conference on Machine Learning and Applications (ICMLA’09), pp. 669-672, 13-15
December 2009, Miami, Florida, USA.
23. R.
Bayindir, I. COLAK, E. Kabalci and E. Irmak., (2009), "The fuzzy
logic control of a multilevel converter in a variable speed wind turbine", 8th International Conference
on Machine Learning and Applications (ICMLA’09), pp. 787-790, 13-15
December 2009, Miami, Florida, USA.
24. I. COLAK, M. Demirtas and R. Bayindir, "A novel data acquisition system for
monitoring hybrid energy systems", 5th International
Conference and Exhibition on Ecological Vehicles and Renewable Energies
(EVER'10), 25–28 March 2010, Monte-Carlo, Monaco.
25. I.
COLAK, R. Bayindir and E. Kabalci, "Design and analysis of a 7-level cascaded multilevel inverter with
dual SDCSs", 20th International
Symposium on Power Electronics, Electrical Drives, Automation and Motion
(SPEEDAM’10), pp. 180-185, 14-16 June 2010 Pisa, Italy.
26. I.
COLAK, M. Demirtas, R. Bayindir and M. Yesilbudak, "Design and simulation of a drive system
for speed control of travelling wave ultrasonic motor", 20th
International Symposium on Power Electronics, Electrical Drives, Automation
and Motion (SPEEDAM’10), pp. 1783-1788, 14 -16 June 2010, Pisa, Italy.
27. I.
COLAK, R. Bayindir and E. Kabalci, "A Modified Harmonic Mitigation Analysis Using Third Harmonic
Injection PWM in a Multilevel Inverter Control", 14th
International Power Electronics and Motion Control Conference
(EPE-PEMC’10), pp. 215-220, 6-8. September 2010, Ohrid, Macedonia.
28. H.T.
Kahraman, S. Sagiroglu and I. COLAK, “Development of adaptive and intelligent web-based educational
systems”, 4th International Conference on Application of
Information and Communication Technologies (AICT’10), pp. 1-5, 12-14 October 2010, Tashkent, Uzbekistan.
29. I.
COLAK,R.
Bayindir, O. Kaplan and F. Tas, "DC Bus Voltage Regulation of a Single Phase Shunt Active Power
Filter Using a Fuzzy Logic Controller", 9th International Conference
on Machine Learning and Applications 2010, 12-14 Dec, 2010, Washington DC,
USA.
30. I.
COLAK, S. Sagiroglu, M. Demirtas and H.T. Kahraman, "Determining suitability of locations
for installation of solar power station based on probabilistic inference", 9th International
Conference on Machine Learning and Applications (ICMLA’10), pp. 714-719,
12-14 December 2010, Washington DC, USA.
31. R.
Bayindir, I. COLAK, and O. Kaplan, "A novel technique for power factor calculation using a PLC", 6th International
Conference and Exhibition on Ecological Vehicles and Renewable Energies
(EVER'11), 31 March-3 April 2011, Monte-Carlo, Monaco.
32. I.
COLAK, M. Demirtas and E. Kabalci, "A
novel converter design and optimisation for solar energy system", 6th International
Conference and Exhibition on Ecological Vehicles and Renewable Energies
(EVER'11), 31 March-3 April 2011, Monte-Carlo, Monaco.
33. I.
COLAK, E. Kabalci, M. Yesilbudak and H.I. Bulbul, "An agglomerative hierarchical clustering
tool for renewable energy sources", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’11), pp. 1-5,
11-13 May 2011, Malaga, Spain.
34. I.
COLAK, I. Garip, S. Sagiroglu and S. Bayhan, "Remote
monitoring of the load characteristics of synchronous generators", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’11), pp. 1-4, 11-13
May 2011, Malaga, Spain.
35. I.
COLAK, R. Bayindir, E. Irmak and O. Kaplan, "A comparative study of harmonic
extraction methods for single phase shunt active power filter", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’11), pp. 1-4,
11-13 May 2011, Malaga, Spain.
36. E. Irmak,
I. COLAK, O. Kaplan and N.
Guler, "Design and
application of a novel zero-crossing detector circuit", International Conference on
Power Engineering, Energy and Electrical Drives (POWERENG’11), pp. 1-4,
11-13 May 2011, Malaga, Spain.
37. R.
Bayindir,I. COLAK, O. Kaplan and C. Can, "MATLAB/GUI based simulation for
photovoltaic systems", International Conference on Power
Engineering, Energy and Electrical Drives (POWERENG’11), pp. 1-4, 11-13 May
2011, Malaga, Spain.
38. I.
COLAK, E. Kabalci, M. Yesilbudak and H.T. Kahraman, "A novel intelligent decision support tool for average wind speed
clustering", 8th International Conference
on Power Electronics (ICPE-ECCE Asia), pp.
2010-2014, 30 May-3 June 2011, Jeju, South Korea.
39. I.
COLAK, E. Kabalci and G. Bal, "Parallel DC-AC Conversion System Based on Separate Solar Farms with
MPPT Control", 8th
International Conference on Power Electronics ICPE 2011, ECCE Asia, pp. 1469-1475, 30 May-3 June 2011Jeju, South Korea.
40. E. Irmak,
I. COLAK, O. Kaplan and A. Kose, "Development of a real time monitoring and control system for PLC
based elevator", 14th
European Conference on Power Electronics and Applications (EPE’2011), pp. 1-8, 30 August-1 September 2011, Birmingham, United Kingdom.
41. C.
Pavlitov and I. COLAK, "Sensorless control of SRM by the aid of artificial neural network
adaptive reference model", 14thEuropean Conference on Power
Electronics and Applications (EPE’11), pp. 1-7, 30 August-1 September 2011,
Birmingham, United Kingdom.
42. E.
Kabalci, I. COLAK, R. Bayindir and C. Pavlitov, "Modelling a 7-level asymmetrical H-bridge multilevel inverter with
PS-SPWM control", International Aegean Conference on
Electrical Machines and Power Electronics and Electromotion Joint
Conference (ACEMP’11), pp. 593-597, 08-10 September 2011, Istanbul,
Turkey.
43. I.
COLAK and A. Efe, "Design
and implementation of a remote access PLC training set",
International Aegean Conference on Electrical Machines and Power
Electronics and Electromotion Joint Conference (ACEMP’11), pp. 427-429,
08-10 September 2011, Istanbul, Turkey.
44. I.
COLAK, E. Irmak, M. Yesilbudak and E. Kabalci, "Design of a parameter determination system for non-isolated
converter topologies", International Aegean Conference on
Electrical Machines and Power Electronics and Electromotion Joint
Conference (ACEMP’11), pp. 241-244, 08-10 September 2011, Istanbul,
Turkey.
45. I.
COLAK, M. Yesilbudak, S. Sagiroglu and H.T. Kahraman, "An intelligent approach for speed stability analysis of a travelling
wave ultrasonic motor based on genetic k-NN algorithm",
5th International Conference on Application of Information
and Communication Technologies (AICT’11), pp. 1-5, 12-14 October 2011, Baku, Azerbaijan.
46. S.
Sagiroglu, Kahraman H.T., M. Yesilbudak and I. COLAK, "An intelligent decision support tool for a
travelling wave ultrasonic motor based on k-nearest neighbor algorithm", 10th International
Conference on Machine Learning and Applications and Workshops (ICMLA’11),
pp. 308-312, 18-21 December 2011, Honolulu, Hawaii, USA.
47. I.
COLAK, E. Irmak, N. Guler and F. Issi, "Remote
monitoring and reporting the parameters of a hybrid power system via
internet", 7th
International Conference and Exhibition on Ecological Vehicles and
Renewable Energies (EVER'12), 22-25 March 2012, Monte-Carlo,
Monaco.
48.
I.
COLAK,
M. Demirtas and H.T. Kahraman, "Modeling of meteorological parameters and improving the
classification accuracy for the wind turbines", 21st
International Symposium on Power Electronics, Electrical Drivers,
Automation and Motion (SPEEDAM’12), pp. 594-596, 20-22 June 2012, Sorrento,
Italy.
49. I. COLAK and M. Sahin, "Sensorlesscontrol
of a brushless dc motor using a self-tuning PID", 21st International
Symposium on Power Electronics, Electrical Drives, Automation and Motion
(SPEEDAM’12), pp. 1057-1062, 20-22 June 2012, Sorrento, Italy.
50. E. Irmak, I. COLAK, E. Kabalci and A. Kose "Implementation of a remote laboratory
platform for stepper motor experiments", 15th Power
Electronics and Motion Control Conference and Exposition (EPE-PEMC’12), pp.
1-8, 4-6 September 2012, Novi Sad, Serbia.
51. M.
Yesilbudak, S. Sagiroglu and I. COLAK, "A wind speed forecasting approach based
on 2-dimensional input space", International Conference on Renewable
Energy Research and Applications (ICRERA’12), pp. 1-5, 11-14 November 2012,
Nagasaki, Japan.
52. M. Demirtas, M. Yesilbudak, S. Sagiroglu and I. COLAK,
"Prediction of solar radiation using
meteorological data", International Conference on Renewable
Energy Research and Applications (ICRERA’12), pp. 1-4, 11-14 November 2012,
Nagasaki, Japan.
53. I.
COLAK, H.I. Bulbul, S. Sagiroglu and M. Sahin, "Modeling a permanent magnet synchronous
generator used in wind turbine and the realization of voltage control on
the model with artificial neural networks", International Conference on
Renewable Energy Research and Applications (ICRERA’12), pp. 1-6, 11-14
November 2012, Nagasaki, Japan.
54. I.
COLAK, H. Wilkening, G. Fulli, J. Vasiljevska, F. Issi and O. Kaplan,
"Analysing the efficient use of energy
in a small smart grid system", International Conference on Renewable Energy
Research and Applications (ICRERA’12), pp. 1-4, 11-14 November 2012,
Nagasaki, Japan.
55. E. Irmak,
I. COLAK, H.I. Bulbul, N. Guler and A. Calpbinici, "FPGA based parallel connection system
of separate voltage sources", International Conference on Renewable
Energy Research and Applications (ICRERA’12), pp. 1-3, 11-14 November 2012,
Nagasaki, Japan.
56. S.
Sagiroglu, A. Ozbilen and I. COLAK, "Vulnerabilities and measures on smart
grid application in renewable energy",
International Conference on Renewable Energy Research and Applications
(ICRERA’12), pp. 1-4, 11-14 November 2012, Nagasaki, Japan.
57. S.
Lazarou, C.F. Covrig, I. COLAK, P. Minnebo, H. Wilkening and G.Fulli, "Behaviour
of multi-terminal grid topologies in renewable energy systems under multiple
loads",
International Conference on Renewable Energy Research and Applications
(ICRERA’12), pp. 1-4, 11-14 November 2012, Nagasaki, Japan.
58. E. Irmak,
I. COLAK, S. Sagiroglu, A. Kose and E. Kabalci,"Monitoring the quality of electrical energy and improving it using
thyristor controlled reactor", International Conference on
Renewable Energy Research and Applications (ICRERA’12), pp. 1-5, 11-14
November 2012, Nagasaki, Japan.
59. R.
Bayindir, M. Yesilbudak, S. Sagiroglu and I. COLAK, "Excitation current forecasting for
reactive power compensation in synchronous motors: a data mining approach", 11th
International Conference on Machine Learning and Applications (ICMLA’12),
pp. 521-525, 12-15 December 2012, Boca Raton, Florida, USA.
60. R.
Bayindir, I. COLAK, S. Sagiroglu and H.T. Kahraman,"Application of adaptive artificial
neural network method to model the excitation currents of synchronous
motors", 11th International Conference on Machine Learning and
Applications (ICMLA’12), pp. 498-502, 12-15 December 2012, Boca Raton,
Florida, USA.
61. M. Sahin,
H.I. Bulbul and I. COLAK, "Position control of a dc motor used in solar panels with artificial
neural network", 11th International
Conference on Machine Learning and Applications (ICMLA’12), pp. 487-492,
12-15 December 2012, Boca Raton, Florida, USA.
62. M.
Yesilbudak, E. Kabalci, S. Sagiroglu andI. COLAK,"Very
short term pitch angle optimization in wind turbines: A machine learning
approach", 4th
International Conference on Power Engineering, Energy and Electrical Drives
(POWERENG’13), pp. 886-889, 13-17 May 2013, Istanbul, Turkey.
63. S.
Lazarou, R. Musca, M. Demirtas, G. Fulli and I. COLAK, "Modeling of a smart grid system using
real time data οn Neplan", 4thInternational Conference on Power
Engineering, Energy and Electrical Drives (POWERENG’13), pp. 950-954, 13-17
May 2013, Istanbul, Turkey.
64. I. COLAK, E. Kabalci and G. Keven, "Comparision
of multi-carrier techniques in seven-level asymmetric cascade multilevel
inverter", 4thInternational Conference on Power
Engineering, Energy and Electrical Drives (POWERENG’13), pp. 1619-1624,
13-17 May 2013, Istanbul, Turkey.
65. I. COLAK, G. Fulli, S. Vitiello, I. Tekin, R. Bayindir,
K. Demirtas, "Developments of Turkish grid system
infrastructure for integration with Europe",
4thInternational
Conference on Power Engineering, Energy and Electrical Drives
(POWERENG’13), pp. 1765-1770, 13-17 May 2013, Istanbul, Turkey.
66. M. Sahin, H.I. Bulbul, Z. Esen, U. Yavanoglu and I. COLAK, "Co-simulation
study on BLDC motor drive system based on Multisim and LabVIEW", 4thInternational
Conference on Power Engineering, Energy and Electrical Drives
(POWERENG’13), pp. 1060-1064, 13-17 May 2013, Istanbul, Turkey.
67.I. COLAKand
M. Sahin, "System identification and control of an
wound rotor AC induction machine for wind turbine", 2nd
International Conference on Renewable Energy Research and Applications
(ICRERA’13), pp. 1053-1054, 20-23 October 2013, Madrid, Spain.
68. I. COLAK, M. Sahin, and Z. Esen, "Artificial neural networks controller
algorithm developed for a brushless DC motor", 12th
International Conference on Machine Learning and Applications (ICMLA’13),
pp. 239-242, 4-7 December 2013, Miami, Florida, USA.
69. I. COLAK, I. Garip
and F. Issi, "An application of maintaining constant grounding resistance of
renewable energy sources by using a dspic",
IEEE 9th International Conference on Ecological Vehicles and
Renewable Energies (EVER'14), pp. 1–6, 25-27 March 2014, Monaco.
70. I. COLAK, M.S.
Ayaz, M. Bilgili and K. Boran, "Cost
benefit analysis of wind turbines in smart grid systems",
IEEE 16th International Conference on Power Electronics and
Motion Control Conference and Exposition (PEMC'14), pp. 1295–1299, 21-24
September 2014, Antalya, Turkey.
71. I. COLAK, E. Kabalci and G. Keven, "Simulation of a Seven-Level asymmetric cascade multilevel inverter
with PR control", IEEE 16th International
Conference on Power Electronics and Motion Control Conference and
Exposition (PEMC'14), pp. 343–347, 21-24 September 2014, Antalya, Turkey.
72. F.
Kurokawa, Y. Furokawa, T. Higuchi, A. Katsuki and I. COLAK, "A novel two-compensation digital
control DC-DC converter", IEEE 3th International Conference on
Renewable Energy Research and Application (ICRERA'14), pp. 732-736, 19-22 October 2014, Milwaukee/USA.
73. S. Bayhan, H. Abu-Rub and I. COLAK, "A novel power control strategy for
wind-driven permanent magnet synchronous generator based on a single leg
multi-mode power converter", 1st Workshop on Smart Grid
and Renewable Energy (SGRE'15), 22-23 March 2015, Doha, Qatar.
74. I. COLAK, M. Sahin, S.
Cakiroglu and Z. Esen, "Controller
design for a limited angle torque motor and dsPIC implementation", ACEMP-OPTIM–Electromotion
Joint Conference, 2-4 September 2015, Side, Turkey.
75. Y. Furukawa, S. Maeda, F.
Kurokawa and I. COLAK, "Performance
characteristics of digital peak current mode controlled switching power
supply", IEEE 17th European Conference on Power Electronics and Applications
(EPE'15), 8-10 September 2015, Genva, Switzerland.
76. Y.
Furukawa, S. Hirotaki, S. Watanabe, F. Kurokawa, N. Matsui and I. COLAK, "A
consideration of transient response for sensorless model control dc-dc
converter", IEEE 37th
International Telecommunication Energy Conference (INTELEC'15), 18-22
October 2015, Namba, Osaka, Japan.
77. Y.
Furukawa, F. Kurokawa and I. COLAK, "Digital PID based two-compensator for
dc-dc converter", IEEE 37th
International Telecommunication Energy Conference (INTELEC'15), 18-22
October 2015, Namba, Osaka, Japan.
78. Y.
Furukawa, T. Shirakawa, F. Kurokawa and I. COLAK, "Digital proportional gain varying
method for dc-dc converter", IEEE 37th International
Telecommunication Energy Conference (INTELEC'15), 18-22 October 2015, Namba, Osaka, Japan.
79. Y.
Furukawa, S. Meada, F. Kurokawa and I. COLAK, "Performance characteristics of digital
current detector in dc-dc converter",
IEEE 37th International Telecommunication Energy Conference (INTELEC'15),
18-22 October 2015, Namba, Osaka, Japan.
80. Y. Furukawa, S. Hirotaki, S. Watanabe, F. Kurokawa, N. Matsui
and I. COLAK, "Improvement
in transient response of fast P control dc-dc converter with static model",
IEEE 37th International Telecommunication Energy Conference (INTELEC2015),
18-22 October 2015, Namba, Osaka, Japan.
81. I. COLAK, R. Bayindir, A. Aksoz, S. Sayilgan, E. Kabalci and E. Hossain, "Design and electrical vehicle charging
station with solar PV and storage system",
IEEE 37th International Telecommunication Energy Conference (INTELEC2015),
18-22 October 2015, Namba, Osaka, Japan.
82. I. COLAK, R.
Bayindir, E. Kabalci, E. Hossain, M. Al-Nussairi, A. Dincer and A. Masalha,
"Long
term stability of a designed microgrid",
IEEE 37th International Telecommunication Energy Conference (INTELEC2015),
18-22 October 2015, Namba, Osaka, Japan.
83. S. Moulahoum, S. A. Blaifi, I. COLAK and N. Kabache, "An Improved
dynamic battery model suitable for photovoltaic applications",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
84. S. Bayhan, H. Abu-Rub and I.
COLAK,"Model
predictive current control of single-phase submultilevel inverter for
grid-connected photovoltaic systems",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
85. S. Moulahoum, A. Benyamina,
I. COLAK
and H. Houassine, "Design and experimental implementation
of single phase power factor correction converter based on fuzzy logic
controls techniques",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
86. Y.
Furukawa, T. Shirakawa, F. Kurokawa and I. COLAK, "A
new quick response digital control dc-dc Converter
with dynamic unstable gain",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
87. I.
Sugimoto, Y. Furukawa, T. Higuchi and I. COLAK,"Minituarization
of buck-boost dc-dc converter with fast P control",
IEEE 4th International Conference on Renewable Energy Research and Application
(ICRERA'15), 22-25 November 2015, Palermo, Italy.
88.Y. Furukawa, S. Maeda, S. Tsuruoka, F. Kurokawa andI. COLAK,"A
consideration of signal frequency detector in digital peak current mode
dc-dc converter", IEEE 4th International
Conference on Renewable Energy Research and Application (ICRERA'15), 22-25
November 2015, Palermo, Italy.
89. Y.
Furukawa, S. Watanabe, F. Kurokawa, N. Matsui and I.
COLAK,"A
consideration of loss component
in model control dc-dc converter",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
90. I. COLAK, M.S. Ayaz and K. Boran, "CFD
based wind assesment in west of Turkey",
IEEE 4th International Conference on Renewable Energy Research and Application
(ICRERA'15), 22-25 November 2015, Palermo, Italy.
91. I. COLAK, S. Sagiroglu, M.
Yesilbudak, E. Kabalci and H.I. Bulbul, "Multi-time series and -time scale
modeling for wind speed and wind power forecasting Part I: Statistical
methods, very short-term and short-term applications",
IEEE 4th International Conference on Renewable Energy Research and
Application (ICRERA'15), 22-25 November 2015, Palermo, Italy.
92. I. COLAK, S. Sagiroglu, M.
Yesilbudak, E. Kabalci and H.I. Bulbul, "Multi-time series and -time scale
modeling for wind speed and wind power forecasting Part II: Medium-term and
long-term applications", IEEE 4th International
Conference on Renewable Energy Research and Application (ICRERA'15), 22-25
November 2015, Palermo, Italy.
93. I. COLAK, M. Yesilbudak, N. Genc and R.Bayindir, "Multi-period prediction of solar
radiation using ARMA and ARIMA models",
IEEE 14th International Conference on Machine Learning and Application
(ICMLA2015), 9-11 December 2015, Miami, Florida, USA.
94. I.
COLAK, "Introduction to smart grid", 3rd International
Smart Grid Workshop and Certificate Program, 21-25 March 2016, Istanbul,
Turkey.
95. K. Kwon, K. Lee, T. Kim, J. Lee, B. Jone, J. Choi and I. COLAK, "Enhanced operating scheme of ESS for DC
transit system", IEEE 17th International
Conference on Power Electronics and Motion Control (PEMC'16), 25-30
September 2016, Varna, Bulgaria.
96. A. Belkaid, I. COLAK and K. Kayisli, "Optimum
control strategy based on an equivalent sliding mode for solar systems with
battery storage", IEEE 17th International
Conference on Power Electronics and Motion Control (PEMC'16), 25-30
September 2016, Varna, Bulgaria.
97. I. COLAK, E.
Hossain, R. Bayindir and J. Hossain,"Design
a grid tie inverter for PMSG wind turbine using FPGA & DSP builder",
IEEE 17th International Conference on Power Electronics and Motion Control
(PEMC'16), 25-30 September 2016, Varna, Bulgaria.
98. S. Moulahoum and I. COLAK, "PV
module parameters extraction with maximum power point estimation based on flower
pollination algorithm", IEEE 17th International
Conference on Power Electronics and Motion Control (PEMC'16), 25-30
September 2016, Varna, Bulgaria.
99. I.
COLAK, E. Kabalci and G. Keven, "Seven level asymmetric cascade inverter with space vector PWM added
PR control", IEEE 17th International Conference on Power
Electronics and Motion Control (PEMC'16), 25-30 September 2016, Varna,
Bulgaria.
100.
Y. Furukawa, H. Maruta, S. Watanabe, F. Kurokawa, N. Matsui andI. COLAK, "Improvement for fast response of
current sensorless model control DC-DC converter",
42nd Annual Conference of IEEE Industrial Electronics Society (IECON'16),
24-27 October 2016, Firenze (Florence), Italy.
101. S. Moulahoum, O. Aissa, I. COLAK, B. Babes and N. Kabache, "Analysis, design and reel-time
implementation of shunt active power filter for power quality improvement
based on predictive direct power control", 5th
International Conference on Renewable Energy Research and Application
(ICRERA'16), 20-23 November 2016, Birmingham, UK.
102. A. Benyamina, S. Moulahoum, I. COLAK and R. Bayindir, “Hybrid fuzzy logic-artificial neural network controller for shunt
active power filter”, 5th International Conference on
Renewable Energy Research and Application (ICRERA'16), 20-23 November 2016,
Birmingham, UK.
103. Y. Furukawa, S. Nibu, F. Kurokawa and
I. COLAK, "Improving stability of switching power
supply with digital peak current mode control",
5th International Conference on Renewable Energy Research and Application
(ICRERA'16), 20-23 November 2016, Birmingham, UK.
104. Y. Furukawa, S. Nibu, H. Eto, F. Kurokawa and
I. COLAK, "Transient response of digital peak
current mode boost converter for DC bus voltage compensation",
5th International Conference on Renewable Energy Research and Application
(ICRERA'16), 20-23 November 2016, Birmingham, UK.
105. S. Sagiroglu, R. Terzi, Y. Canbay and
I. COLAK, "Big data issues in smart grid systems",
5th International Conference on Renewable Energy Research and Application
(ICRERA'16), 20-23 November 2016, Birmingham, UK.
106. I. COLAK, A. Harrouz and K. Kayisli, "Control of a small wind turbine system
application", 5th International Conference
on Renewable Energy Research and Application (ICRERA'16), 20-23 November
2016, Birmingham, UK.
107. Y. Furukawa, T. Shirakawa, F. Kurokawa and
I. COLAK, "Transient response of feedback gain
changing DC-DC converter for line variation",
IEEE 3rd International Conference on Power Engineering and Renewable Energy
(ICPERE'16), 20-23 November 2016, Royal Ambarrukmo,
Yogyakarta, Indonesia.
108. M. Yesilbudak,
I. COLAK and R. Bayindir, "k-Means partition of monthly average insolation period data for Turkey",
IEEE 15th International Conference on Machine Learning and Applications
(ICMLA'16), 18-20 December 2016, Anaheim, California,
USA,
109. R. Bayindir, M.S. Ayaz, H. Kahraman and
I. COLAK, "Applying the meta-heuristic prediction
algorithm for modeling power density in wind power plant",
IEEE 15th International Conference on Machine Learning and
Applications (ICMLA'16), 18-20 December 2016, Anaheim, California, USA,
110. M.S. Chaouche, H. Houassine, S. Moulahoum
and I. COLAK, "Faults investigation of transformer
windings using the frequency response analysis FRA",
IEEE 15th International Conference on Machine Learning and
Applications (ICMLA'16), 18-20 December 2016, Anaheim, California, USA.
111. H.T. Kahraman,
I. COLAK and S.
Sagiroglu, "Novel adaptive on-line course on
electrical DC motor", 10th International Computer &
Instructional Technologies Symposium (ICITS'16),
16-18 May 2016, pp. 797-808, 16-18 May
2016, Rize, Turkey.
112. H.T.
Kahraman, I. COLAK and S. Sagiroglu, "Enhancing usability of educational adaptive hypermedia environments:
Development of intelligent authoring tools", 10th International
Computer & Instructional Technologies Symposium (ICITS'16), pp. 1306-1317,
16-18 May 2016, Rize, Turkey.
113. A. Harrouz, M. Abbes, I. COLAK
and K. Kayisli, "Smart Grid
and Renewable Energy in Algeria", IEEE 6th International
Conference on Renewable Energy
Research and Applications (ICRERA'17), pp. 1166-1171, 5-8 November 2017, San Diego, CA, USA.
114. R. Benkercha, S. Moulahoum and I. COLAK, "Modeling of
Fuzzy Logic Controller of Maximum Power Point Tracker Based on Artificial
Neural Network", IEEE 6th International
Conference on Renewable Energy Research and Applications (ICRERA'17), pp.
485-492, 5-8 November 2017, San Diego, CA, USA.
115. M.S. Chaouche, S. Moulahoum, H. Houassine and I. COLAK, "Finite
Element Method to Construct a Lumped Parameter Ladder Network of the
Transformer Winding", IEEE 6th International
Conference on Renewable Energy Research and Applications (ICRERA'17), pp.
1092-1096, 5-8 November 2017, San Diego, CA, USA.
116. Y. Mizuno, T. Baba, Y. Tanaka, F.
Kurokawa, M. Tanaka,I. COLAK and N. Matsui, "Estimation of Optimum Capacity of Battery by Combined Use of a
Renewable Energy System and Distributed Emergency Generators in a Large
Hospital", IEEE 6th International Conference on
Renewable Energy Research and Applications (ICRERA'17), pp. 515-518, 5-8
November 2017, San Diego, CA, USA.
117. T. Baba, Y. Mizuno, Y. Tanaka, F. Kurokawa, M. Tanaka,I. COLAK and N. Matsui, "Comparison of Optimum Energy Scheduling of Emergency
Generators of a Large Hospital with Renewable Energy System Using
Mathematical Programming Method",
IEEE 6th International Conference on Renewable Energy Research and
Applications (ICRERA'17), pp. 519-523, 5-8 November 2017, San Diego, CA,
USA.
118. A. Belkaid, I. COLAK and K. Kayisli, "AComprehensive Study of different
Photovoltaic Peak Power Tracking Methods",
IEEE 6th International Conference on Renewable Energy Research and
Applications (ICRERA'17), pp. 1073-1079, 5-8 November 2017, San Diego, CA,
USA.
119. A. Belkaid, I. COLAK and K. Kayisli, "Modeling and Simulation of Thermo Electrical
Generator with MPPT", IEEE 6th International
Conference on Renewable Energy Research and Applications (ICRERA'17), pp.
855-860, 5-8 November 2017, San Diego, CA, USA.
120. H. Maruta, S. Watanabe,N. Matsui, F. Kurokawa and I. COLAK "Stable
Output Current Estimation for Switching Power Converter", IEEE Energy Conversion
Congress and Exposition (ECCE'17), pp. 5312-5316, 1-5 October 2017,
Cincinnati, Ohio.
121. Y. Furukawa, H. Eto, I. COLAK and F. Kurokawa, "Proportional Gain Changeable Peak
Current Mode Control DC-DC Converter", 19th European
Conference on Power Electronics and Applications (EPE'17), pp. 1-10, 11-14
September 2017, Warsaw, Poland.
122. I. COLAK, "A survey on the contributions of power electronics
to smart grid systems", 4th International Conference on Green
Energy and Environmental Engineering (GEEE'17), 22-24 April 2017, Sousse,
Tunusia.
123. I. COLAK, "A General Overview of Smart Grids", O.M. Beketov National
University of Urban Economy, 2017, Kharkiv, Ukraine.
124. E. Ozsoy, S. Padmanaban, F. Ahmad,
L. Mihet-Popa and I. COLAK, "Modified SEPIC boost converter with constant
switching frequency modulation using sliding mode controller", IEEE International Conference on Industrial Technology, pp.
776-781, 20-22 February 2018, Lyon, France.
125. H. Becheri, I.K. Bousserhane, A. Harrouz, I. COLAK and K. Kayisli, "Sensorless control of wind turbine
conversion equipped with a DFIG using MPPT strategy", IEEE 18th International Conference on Power Electronics and
Motion Control (PEMC'18), pp. 605-610, 28-30 August
2018, Budapest, Hungary.
126. R. Toujani, N. Bouaziz and I. COLAK, "Exergetic comparison of two configurations for an
upgraded absorption/compression heat pump integrated organic mixtures",
IEEE 7th International Conference on
Renewable Energy Research and Applications (ICRERA'18), pp. 1-5, 14-17
October 2018, Paris, France.
127. L. Afif, N. Bouaziz and I. COLAK, "Thermodynamic optimization of a novel solar power
cogeneration plant using a gas ejector", IEEE 7th International Conference on
Renewable Energy Research and Applications (ICRERA'18), pp. 775-778, 14-17
October 2018, Paris, France.
128. H. Turker and I. COLAK, "Optimal peak shaving with vehicle-to-grid
capability of electric vehicles in smart grids", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 1483-1488, 14-17 October 2018, Paris,
France.
129. H. Turker and I. COLAK, "Multiobjective optimization of
grid-photovoltaic-electric vehicle hybrid system in smart building with
vehicle-to-grid (V2G) concept", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 1477-1482, 14-17 October 2018, Paris, France.
130. Y. Mizuno, T. Baba, Y. Tanaka, M. Tanaka, F. Kurokawa, I. COLAK and N. Matsui, "A new load prediction method and
management of distributed power system in island mode of a large hospital", IEEE 7th International Conference on
Renewable Energy Research and Applications (ICRERA'18), pp. 1215-1220,
14-17 October 2018, Paris, France.
131. D. Icaza, S. Pulla, I. COLAK, C. Flores-Vázquez and F. Córdova, "Modeling, simulation and stability analysis of a
low-power wind turbine for the supply of energy to the Amazon Jungle and
Galapagos in Ecuador", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 100-105, 14-17 October 2018, Paris,
France.
132. A. Bouhouta, S. Moulahoum, N. Kabache and I. COLAK, "Simplicity and performance of direct current
control DCC compared with other identification algorithms for shunt active
power filter", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 1352-1357, 14-17 October 2018, Paris,
France.
133. A. Harrouz, K. Nourdine, K. Kayisli, H.I. Bulbul and I. COLAK, "A fuzzy controller for stabilization of
asynchronous machine", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 1369-1373, 14-17 October 2018, Paris,
France.
134. A. Harrouz, I. Daouali, K. Kayisli, H.I. Bulbul and I. COLAK, "Comparative study between CSP and CPV as two
energy systems", IEEE 7th International Conference on Renewable Energy Research
and Applications (ICRERA'18), pp. 1380-1383, 14-17 October 2018, Paris,
France.
135. A. Belkaid, I. COLAK and K. Kayisli, "Design of an intelligent peak power converter for
solar plants with lead–acid battery", IEEE 7th International Conference on
Renewable Energy Research and Applications (ICRERA'18), pp. 1400-1406,
14-17 October 2018, Paris, France.
136. F. Mazouz, S. Belkacem, I. COLAK and S. Drid, "Direct
power control of DFIG by sliding mode control and space vector modulation", IEEE 7th International Conference on Systems and Control, pp.
462-467, 24-26 October 2018, Valencia, Spain.
137. A. Belkaid, I. COLAK, K. Kayisli, R. Bayindir and H.I. Bulbul, "Maximum power extraction from a
photovoltaic panel and a thermoelectric generator constituting a hybrid
electrical generation system", IEEE 6th International Conference on
Smart Grid (icSmartGrid'18), 4-6 December 2018, Nagasaki, Japan.
138. M. Yesilbudak and I. COLAK, "Main barriers and solution proposals for
communication networks and information security in smart grids", IEEE 6th International Conference on
Smart Grid (icSmartGrid'18), 4-6 December 2018, Nagasaki, Japan.
139. M.R. Tur, I. COLAK and R. Bayindir, "Effect
of faults in solar panels on production rate and efficiency", IEEE 6th International Conference on
Smart Grid (icSmartGrid'18), 4-6 December 2018, Nagasaki, Japan.
140. A. Belkaid, I. COLAK,
K. Kayisli, M. Sara and R. Bayindir, “Modeling
and simulation of polycrystalline silicon photovoltaic cells”,
IEEE 7th International Conference on Smart Grid, pp. 155-158, 9-11 December
2019, Newcastle, Australia.
141.
L. Saihi, Y. Bakou, A. Harrouz, I. COLAK,
K. Kayisli and R. Bayindir, “A
comparative study between robust control sliding mode and backstepping of a
DFIG integrated to wind power system”,
IEEE 7th International Conference on Smart Grid, pp. 137-143, 9-11 December
2019, Newcastle, Australia.
142.
F. Ayadi, I. COLAK
and R. Bayindir, “Interoperability
in smart grid”,
IEEE 7th International Conference on Smart Grid, pp. 165-169, 9-11 December
2019, Newcastle, Australia.
143.
A. Saidi, A. Harrouz, I. COLAK,
K. Kayisli and R Bayindir, “Performance
enhancement of hybrid solar PV-wind system based on fuzzy power management
strategy: A case study”,
IEEE 7th International Conference on Smart Grid, pp. 126-131, 9-11 December
2019, Newcastle, Australia.
144.
Y. Bakou, L. Saihi, Y. Hammaoui, A. Harrouz, I. COLAK,
K. Kayisli, M. Abid and R. Bayindir, “Robust
controller based on sliding mode technique of DFIG integrated to wind energy
system”,
IEEE 7th International Conference on Smart Grid, pp. 144-148, 9-11 December
2019, Newcastle, Australia.
145.
A. Harrouz, I. COLAK
and K. Kayisli, “Energy
modeling output of wind system based on wind speed”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp. 63-68, 3-6 November 2019, Brasov, Romania.
146. I. COLAK
and O. Kaplan, “Design
and implementation of sensorless DC voltage regulation for shunt active
power filter based single phase PQ theory”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp.943-950, 3-6 November 2019, Brasov, Romania.
147.
Y. Bakou, M. Abid, A. Harrouz, I. Yaichi, I. COLAK,
K. Kayisli and A. Aissaoui, “DTC
control of the DFIG, application to the production of electrical energy”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp. 910-915, 3-6 November 2019, Brasov, Romania.
148. I. COLAK,
E. Kabalci and G. Keven, “The
effects of PR control in three-level single-phase multilevel inverter”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp. 821-826, 3-6 November 2019, Brasov, Romania.
149.
A. Bouhouta, S. Moulahoum, N. Kabache and I. COLAK,
“Experimental
investigation of fuzzy logic controller based indirect current control
algorithm for shunt active power filter”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp. 1-6, 3-6 November 2019, Brasov, Romania.
150. F. Ayadi, I. COLAK,
N. Genc and H.I. Bulbul, “Impacts
of wind speed and humidity on the performance of photovoltaic module”,
IEEE 8th International Conference on Renewable Energy Research and
Applications, pp. 229-233, 3-6 November 2019, Brasov, Romania.
151. F. Mazouz, S. Belkacem, S. Drid, L. Chrifi-Alaoui and I. COLAK,
“Fuzzy
sliding mode control of DFIG applied to the WECS”,
IEEE 8th International Conference on Systems and Control, pp. 465-470,
23-25October 2019, Marrakech, Morocco.
152. H. Abdelkader, M. Abbes, I. COLAK
and K. Kayisli, “Information
systems and renewable energy in Algeria”,
Algerian Large Electrical Network Conference, pp. 1-5, 26-28 February 2019,
Algiers, Algeria.
153. F. Ayedi, I. COLAK,
N. Genc and M. Yesilbudak, “Decision
tree classification of daily total photovoltaic energy generation data
considering meteorological conditions”,
IEEE 18th International Conference on Machine Learning and Applications,
16-19 December 2019, Boca Raton, Florida, USA.
154. P. Kapale and I. COLAK,
“Reliability
and cost figures comparison of modular multilevel converter based on
preventive and corrective maintenance”,
10th International Conference on Power Electronics, Machines and Drives, pp.
1030-1034, 15-17 December 2020.
155.
A. Harrouz, D. Belatrache, K. Boulal, I. COLAK
and K. Kayisli, “Social
acceptance of renewable energy dedicated to electric production”,
IEEE 9th International Conference on Renewable Energy Research and
Applications, pp. 283-288, 27-30 September 2020, Glasgow, UK.
156. M. Ali, C.A. Macana, K. Prakash, R. Islam, I. COLAK
and H. Pota, “Generating
open-source datasets for power distribution network using openstreetmaps”,
IEEE 9th International Conference on Renewable Energy Research and
Applications, pp. 301-308, 27-30 September 2020, Glasgow, UK.
157. A. Bouhouta, S. Moulahoum, N. Kabache and I. COLAK,
“Adaptive
PI control strategy based on fuzzy logic for an active harmonic compensator”,
IEEE 9th International Conference on Renewable Energy Research and
Applications, pp. 326-331, 27-30 September 2020, Glasgow, UK.
158. A. Harrouz, E. Boulal, A. Saidi, I. COLAK
and K. Kayisli, “Reliable
power flow control in parallel transmission lines based on UPFC”,
IEEE 9th International Conference on Renewable Energy Research and
Applications, pp. 423-427, 27-30 September 2020, Glasgow, UK.
159. F. Ayadi, I. COLAK,
I Garip and H.I. Bulbul, “Targets
of countries in renewable energy”,
IEEE 9th International Conference on Renewable Energy Research and
Applications, pp. 394-398, 27-30 September 2020, Glasgow, UK.
160. G. Schettino, I. COLAK,
A.O. Di Tommaso, R. Miceli, F. Viola, “Innovative
Computational Approach to Harmonic Mitigation for Seven-level Cascaded
H-Bridge Inverters”,
Fifteenth International Conference on Ecological Vehicles and Renewable
Energies, pp. 1-7, 10-12 September 2020, Monte-Carlo, Monaco.
161. A. Belkaid, I. COLAK,
K. Kayisli, R. Bayindir, “Indirect
sliding mode voltage control of buck converter”,
IEEE 8th International Conference on Smart Grid, pp. 90-95, 17-19 June 2020,
Paris, France.
162.
F. Ayadi, I. COLAK,
I. Garip and H.I. Bulbul, “Impacts
of renewable energy resources in smart grid”,
IEEE 8th International Conference on Smart Grid, pp. 183-188, 17-19 June
2020, Paris, France.
163. A. Belkaid, I. COLAK,
K. Kayisli and R Bayindir, “Improving
PV system performance using high efficiency fuzzy logic control”,
IEEE 8th International Conference on Smart Grid, pp. 152-156, 17-19 June
2020, Paris, France.
164. I. COLAK,
R. Bayindir and S. Sagiroglu, “The
effects of the smart grid system on the national grids”,
IEEE 8th International Conference on Smart Grid, pp. 122-126, 17-19 June
2020, Paris, France.
165. H. Abdelkader, G. Hachemi, I. COLAK,
K. Kayisli and V. Dumbrava, “Control
strategy of the permanent magnet stepper motor”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 314-319, 26-29 September 2021, Istanbul, Turkey.
166.
F. Mazouz, S. Belkacem, G. Boukhalfa and I. COLAK,
“Backstepping
approach based on direct power control of a DFIG in WECS”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 198-202, 26-29 September 2021, Istanbul, Turkey.
167. O. Aissa, S. Moulahoum, B. Babes and I. COLAK,
“Power
quality enhancement of AC/DC converter by a smart direct power control:
Practical assessment”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 203-209, 26-29 September 2021, Istanbul, Turkey.
168. S. Benhadouga, A. Belkaid, I. COLAK,
M. Meddad and A. Eddiai, “Experimental
validation of the sliding mode controller to improve the efficiency of the
MPPT solar system”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 333-337, 26-29 September 2021, Istanbul, Turkey.
169. A. Allaoua, T.M. Layadi, I. COLAK
and K. Rouabah, “Design
and simulation of smart-grids using OMNeT++/Matlab-Simulink co-simulator”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 141-145, 26-29 September 2021, Istanbul, Turkey.
170. C. Aoughlis, A. Belkaid, I. COLAK,
O. Guenounou and M.A. Kacimi, “Automatic
and self adaptive P&O MPPT based PID controller and PSO algorithm”,
IEEE 10th International Conference on Renewable Energy Research and
Applications, pp. 385-390, 26-29 September 2021, Istanbul, Turkey.
171. O. Aissa, S. Moulahoum and I. COLAK,
“Intelligent
adaptive control of the SAPF intended to improve the power grid energy
quality”,
IEEE 9th International Conference on Smart Grid, pp. 76-81, 29 June-1 July
2021, Setubal, Portugal.
172. M. Farida, S. Belkacem and I. COLAK,
“Fuzzy
high order sliding mode control based DPC of DFIG using SVM”,
IEEE 9th International Conference on Smart Grid, pp. 278-282, 29 June-1 July
2021, Setubal, Portugal.
173. I. Yaichi, A. Harrouz, I. Boussaid, A. Semmah, P. Wira, I. COLAK
and K. Kayisli, “An
improved DTC strategy for a DFIG using an artificial neural network
controller”,
IEEE 9th International Conference on Smart Grid, pp. 231-237, 29 June-1 July
2021, Setubal, Portugal.
174. O. Guenounou, A. Belkaid, I. COLAK,
B. Dahhou and F. Chabour, “Optimization
of fuzzy logic controller based maximum power point tracking using
hierarchical genetic algorithms”,
IEEE 9th International Conference on Smart Grid, pp. 207-211, 29 June-1 July
2021, Setubal, Portugal.
175. G. Ala, I. COLAK,
G. Di Filippo, R. Miceli, P. Romano, G. Schettino, C. Silva, S. Valtchev and
F. Viola, “Forecasts
on the development of hydrogen refuelling infrastructures in Portugal”,
IEEE 9th International Conference on Smart Grid, pp. 112-117, 29 June-1 July
2021, Setubal, Portugal.
176. A. Aksoz, Y. Benomar, T. Geury, M. El Baghdadi, O. Hegazy, S.B. Ozturk
and I. COLAK,
“Design
and technical assessment of local electrical storage systems in double-fed
generators for wind turbine power system applications”,
IEEE 16th International Conference on Ecological Vehicles and Renewable
Energies, pp. 1-6, 5-7 May 2021, Monte-Carlo, Monaco.
4. Uluslararası Konferans Makaleleri
1. I.
COLAK, M.B. Uctasli and M. Demirtas, "Design
of wear testing machine which simulates occlusal wear", 7th Congress of
the Balkan Stomatological Society (BaSS’02), 28-30 March 2002, Kuşadası,
Turkey.
2. I.
COLAK, I. Kosalay and I. Sefa, "Comparison
of high voltage open air isolated transformer centre and gas isolated
transformer centre in terms of electromagnetic compatibility", 3rd International
Conference of Advanced Technologies, Gazi University (IATS’03), pp.
362-367, 2003, 18-20 August 2003, Ankara, Turkey.
3. I.
COLAK, I. Kosalay and I. Sefa, "Cooperation
between municipalities and universities for controlling the electromagnetic
interference caused by buzz stations", 1st International
Municipalities University and Industrial Sector Cooperation Symposium
(ULYUSIS’03), 23-24 October 2003, Ankara, Turkey.
4. I.
COLAK, R. Bayındır and H.T. Kahraman, "Design and application of PIC 16F877 based air conditioner", 2nd International
Conference on Technical and Physical Problems in Power Engineering
(TPE’04), pp. 186-190, 6-8 September 2004, Tebriz, Iran.
5. I. COLAK, R. Bayındır and S. Demirbas, "Use of PIC for Industrial Application", 2nd International
Conference on Technical and Physical Problems in Power Engineering
(TPE’04), pp. 655-658, 6-8 September 2004, Tebriz, Iran.
6. I.
COLAK, R. Bayındır I. Sefa and M. Demirtas, "Design of a hybrid energy power system using solar and wind energy",2nd
International Conference on Technical and Physical Problems in Power
Engineering (TPE’04), pp. 776-778, 6-8 September 2004, Tebriz, Iran.
7. I. COLAK, S. Demirbas, E. Irmak and R. Bayındır, "Using of the internet technology in technical education", I. International Congress on
Technical and Vocational Education Technologies, 5-7 September 2005,
İstanbul, Turkey.
8. I.
COLAK,E. Irmak, R. Bayindir, S.
Demirbas and I. Sefa, "Web based simulation of open or closed
loop control systems", 6th International
Educational Technology Conference, Eastern Mediterranean University, pp. 446-451, 19-21 April 2006, Gazimağusa, Turkish Republic Of Northern
Cyprus.
9. I.
COLAK,E. Irmak, I. Sefa,S. Demirbas and R. Bayindir,"A
web based educational tool for analyzing basic electrical circuits",6th International Educational
Technology Conference, Eastern Mediterranean University, pp. 452-461, 19-21 April 2006, Gazimağusa, Turkish Republic Of Northern
Cyprus.
10. I.
COLAK,S. Demirbas, E. Irmak, I.
Sefa and R. Bayindir,"Remote control of dc motor over the internet", 3rd Conference on
Technical and Physical Problems in Power Engineering (TPE’06), pp. 216-219, 29-31 May 2006, Gazi University, Ankara,
Turkey.
11. I.
COLAK, R. Bayindir, I. Sefa, S. Demirbas and G. Bal, "Developing of a control unit for the parallel operation of ac
generators", 3rd Conference on Technical and Physical Problems
in Power Engineering (TPE’06), pp. 134-137, 29-31 May
2006, Gazi University, Ankara, Turkey.
12. I.
COLAK, R. Bayindir, S. Demirbas, I. Sefa and G. Bal, "Microcontroller based protection of induction motors" 3rd Conference on
Technical and Physical Problems in Power Engineering (TPE’06), pp. 164-167, 29-31 May 2006, Gazi University, Ankara,
Turkey.
13. I.
COLAK, S. Sagiroglu, S. Demirbas and E. Irmak, "Design and implementation of internet based real-time laboratory for
vocational and technical education", ICT
2007 Conference for FP7 Challenge 3.4 (ICT’07), 29-30 January 2007,
Istanbul, Turkey.
14. S.
Sagiroglu,I. COLAK, E. Irmak and H. Bulut, "A virtual laboratory platform based on .NET framework", 2nd International
Future-Learning Conference On Innovations in Learning for the Future
2008:e-Learning, pp. 800-807, 27-29 March 2008, Istanbul, Turkey.
15. I.
COLAK, S. Sagiroglu and H.T. Kahraman, "Architecture of web based adaptive educational hypermedia system", 2nd International
Future-Learning Conference on Innovations in Learning for the Future
2008:e-Learning, pp. 358-365, 27-29 March 2008, Istanbul, Turkey.
16. R.
Bayindir, I. Sefa, S.Demirbas, I.
COLAK and A. Gorgun, "A user friendly educational tool for
observing synchronous motor operation conditions", 4th
Conference on Technical and Physical Problems in Power Engineering
(TPE’08), pp. 212-215, 4-6 September 2008, Piteşti, Romania.
17. I.
COLAK, R. Bayindir, E. Irmak and M. Soysal, "A new tool for four-quadrant drive system of dc motor based on
microcontroller", 4th Conference on
Technical and Physical Problems in Power Engineering (TPE’08), pp. 216-219,
4-6 September 2008, Piteşti, Romania.
18. I.
COLAK, S. Sagiroglu and H.T. Kahraman H. T., (2008), "Design of domain model for web-based adaptive educational hypermedia
applications", High Technology in Education System Advancement and
Current Trends in Teaching Methodology, 13-14 November 2008, Ashgabat,
Türkmenistan.
19. I.
COLAK, S. Sagiroglu, E. Irmak, R. Bayındır and G. Bal, " Design of an E-Laboratory Platform for Electric Control Circuit", High Technology in Education
System Advancement and Current Trends in Teaching Methodology, 13-14
November 2008, Ashgabat, Türkmenistan.
20. M. Demirtas, G. Bal, I. COLAK and M. Yesilbudak, "
Simulation of speed control for travelling wave ultrasonic motor", 5th International
Conference of Advance Technologies (IATS’09), Karabük University, pp. 1-6,
13-15 May 2009, Karabük, Turkey.
21. I. Sefa,
M. Demirtas, I. COLAKand D. Ugur,
"Simulation of paralel-connected dc/dc
boost converter for hybrid energy sources", 5th International
Conference of Advance Technologies (IATS’09), Karabük University, pp. 1-6,
3-15 May 2009, Karabük, Turkey.
22. I.
COLAK and Kosalay İ., (2009), "Effects of artificial neural networks on estimation of radio
frequency electromagnetic pollution caused by tv transmitter",5th International
Conference of Advance Technologies (IATS’09), Karabük University, pp. 1-7,
3-15 May 2009, Karabük, Turkey.
23. I. COLAK, E. Kabalci and Y. Kabalci, "
Hardware implementation for electronics
laboratory: design and application of a microprocessor controlled
oscilloscope", 1st International Vocational High School
Symposium, pp. 642-651, 27-29 May 2009, Konya, Turkey.
24. I.
COLAK, E. Kabalci, R. Bayindir and E. Irmak, "Modelling of an SPWM controlled ac-dc-ac converter for fixed speed
wind turbines",5th
Conference on Technical and Physical Problems in Power Engineering
(TPE’09), pp. 288-293, 3-5 September 2009, Bilbao, Spain.
25. I.
COLAK, E. Kabalci, R. Bayindir and E. Irmak, "Design of a 6-pulse multilevel SPWM
controlled converter for fixed speed wind turbines", 5th
Conference on Technical and Physical Problems in Power Engineering
(TPE’09), pp. 293-297, 3-5 September 2009, Bilbao, Spain.
26. S.
Sagiroglu, I. COLAK and A. Ozbilen, "A survey on scada/ distributed control system current security
development and studies", NATO IST-091 Symposium, pp. 1-12, 22-23
November 2010, Antalya, Turkey.
27. I.
COLAK and E. Kabalci, "Increasing the efficiency of an
inverter used in renewable energy sources", 2nd International
Conference on Nuclear and Renewable Energy Sources (NURER’10), pp. 853-859,
4-7 July 2010, Ankara, Turkey.
5. Ulusal Konferans Makaleler
1. İ. ÇOLAK, R. Bayındır, I. Sefa, Ş.
Demirbaş ve M. Demirtaş, "Güneş takip sistemi tasarim ve
uygulaması", 1. Enerji Verimliliği ve Kalite Sempozyumu, TMMOB Elektrik Mühendisleri
Odası, Sayfa 301-305, 17-18 Mayıs 2005, Kocaeli, Türkiye.
2. İ. ÇOLAK, R. Bayındır, İ. Sefa, Ş. Demirbaş
ve C. Arslan, "Sanayide enerji verimliliği", 1. Enerji Verimliliği ve
Kalite Sempozyumu, TMMOB Elektrik Mühendisleri Odası, Sayfa 336-339, 17-18
Mayıs 2005, Kocaeli, Türkiye.
3. İ. ÇOLAK, R. Bayındır, İ. Sefa, Ş.
Demirbaş ve H. Ergen, "Alternatif enerji kaynaklarinin
kullanimi", III. Yenilenebilir Enerji Kaynakları Sempozyumu ve Sergisi,
19-21 Ekim 2005, Çiftlikköy, Mersin, Türkiye.
4. R. Bayındır,
İ. Sefa, Ş. Demirbaş ve İ. ÇOLAK,
"Bulanık mantık denetimli senkron motor
ile reaktif güç kompanzasyonu benzetimi", Bilimde Modern Yöntemler
Sempozyumu (BMYS’05), 16-18 Kasım 2005, Kocaeli, Türkiye.
5. Ş.
Demirbaş, E. Irmak., İ. Sefa, R. Bayındır ve İ. ÇOLAK, "Doğru akim motorunun web tabanli
modellenmesi ve analizi", Bilimde Modern Yöntemler Sempozyumu
(BMYS’05), 16-18 Kasım 2005, Kocaeli, Türkiye.
6. İ. ÇOLAK, İ. Sefa, R. Bayindir, Ş.
Demirbaş ve M. Demirtaş, "Hibrit enerji sistemleri için paralel
çalişabilen boost konvektör simülasyonu", VI. Ulusal Temiz Enerji
Sempozyumu (UTES’06), Sayfa 725-734, 25-27 Mayıs 2006, Isparta,
Türkiye.
7. İ. ÇOLAK, İ. Sefa, R. Bayindir, Ş.
Demirbaş ve M. Demirtaş, "Güneş pillerinin elektrik enerjisi
üretiminde kullanimi", VI. Ulusal Temiz Enerji Sempozyumu
(UTES’06), Sayfa 84-92, 25-27 Mayıs 2006, Isparta,
Türkiye.
8. I. Kosalay
ve İ. ÇOLAK, "34.5/0.6 kV'luk bir orta gerilim transformatör merkezindeki
elektromanyetik alan değerlerinin incelenmesi", Elektrik, Elektronik,
Bilgisayar Mühendisliği Sempozyumu ve Fuarı, Sayfa 1-3, 26-30 Kasım 2008,
Bursa, Türkiye.
9. İ. ÇOLAK ve E. Kabalcı, "Evirici topolojileri ve gelişimleri üzerine bir inceleme", Elektrik, Elektronik,
Bilgisayar Mühendisliği Sempozyumu ve Fuarı, Sayfa 1-5, 26-30 Kasım 2008,
Bursa, Türkiye.
10. İ. ÇOLAK, O. Kaplan, R. Bayındır ve
H. Kundakoğlu, "Reaktif güç kompanzasyonu
uygulamalarinin eğitim amaçli benzetimi", Elektrik, Elektronik,
Bilgisayar Mühendisliği Sempozyumu ve Fuarı, Sayfa 1-5, 26-30 Kasım 2008,
Bursa, Türkiye.
11. E.
Kabalcı, R. Bayındır ve İ. ÇOLAK,
"Fotovoltaik paneller (pv) için
kontrollü 6-fazli çok seviyeli eviricilerin tasarimi ve harmonik analizi", Uluslararası Katılımlı Nükleer
ve Yenilenebilir Enerji Kaynakları Konferansı (NUYEK’09), Sayfa 175-180,
28-29 Eylül 2009, Ankara, Türkiye.
12. E.
Kabalcı, E. Irmak ve İ. ÇOLAK,
"Rüzgâr türbinleri için AA-DA çevirici
tasarimi", Uluslararası Katılımlı Nükleer ve Yenilenebilir Enerji
Kaynakları Konferansı (NUYEK’09), Sayfa 346-351, 28-29 Eylül 2009, Ankara,
Türkiye.
13. İ. ÇOLAK, R. Bayındır ve O. Kaplan,
"Yenilenebilir enerji kaynaklarina aktif
güç filtresi araciliği ile şebekeye enerji aktarimi", Uluslararası Katılımlı
Nükleer ve Yenilenebilir Enerji Kaynakları Konferansı (NUYEK’09), 28-29
Eylül 2009, Ankara, Türkiye.
14. İ. ÇOLAK, R. Bayındır ve O. Kaplan,
"DSP tabanlı tek fazlı şönt aktif güç
filtreleri", 13. Ulusal Türk Elektrik Mühendisliği Komitesi Konferansı,
23-26 Aralık 2009, Ankara, Turkey.
15. İ. ÇOLAK ve F. Issı, "Matlab ile usb portu üzerinden mikrodenetleyici kontrolü", Ulusal Meslek Yüksekokulları
Çalıştayı ve Öğrenci Sempozyumu (UMÇÖS’12), 13-15 Haziran 2012, Ürgüp,
Nevşehir.
6. Türkce Dergilerde Yayınlanan Makaleler
1. D.
Çalıkoğlu ve İ. ÇOLAK, "Rotoru sargılı asenkron motorlarda yarıiletken kullanarak hızın
kontrol edilmesi", Teknik Eğitim Fakültesi Dergisi, Cilt
1, Sayı 4, Sayfa. 39-47, Aralık 1988.
2. G.
Bal ve İ. ÇOLAK, "Sabit kondasatör-tristör kontrollu reaktör tipi reaktif güç
kompansatörü", Gazi Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt 8,
No. 2, Sayfa 9-15, Haziran 1995.
3. İ. ÇOLAK ve R. Bayındır, "Modelling and simulation of power transmission and distribution
lines",
Politeknik Dergisi, Cilt 4, Sayı 4, Sayfa 103-107, December 2001.
4. İ. ÇOLAK ve E. Irmak, "Bilgisayar kontrollu bina güvenlik sisteminin tasarımı ve uygulaması", Gazi Üniversitesi Fen
Bilimleri Dergisi, Cilt 16, No. 2, Sayfa 411-421, 2003.
5. İ. ÇOLAK ve R. Bayindir, "Güç katsayısının bir mikrodenetleyici kullanarak ölçümü”, Erciyes Üniversitesi Fen
Bilimleri Enstitüsü Dergisi, Cilt 19, Sayı 1-2, Sayfa 50-58,
June-December 2003.
6. İ. ÇOLAK ve R. Bayındır, "DA motoru hiz kontrolü için denetleyiciyi PI kontrolör olarak
programlama", Pamukkale Üniversitesi Mühendislik Fakültesi, Mühendislik
Bilimleri Dergisi, Cilt 11, Sayı 2, 2005.
7. İ. ÇOLAK ve R. Bayındır, "Klasik yolverme metotlarinin denetleyici yardimiyla
gerçekleştirilmesi", Firat Üniversitesi Fen ve Mühendislik
Bilimleri Dergisi, Cilt 17, Sayı 1, Sayfa 10-18, 2005.
8. İ. ÇOLAK, I. Kosalay ve İ. Sefa,
"Yüksek gerilimli güç sistemlerinde
elektromangnetik uyumluluk problemi yaratan temel kaynakların incelenmesi", Gazi Üniversitesi Fen
Bilimleri Dergisi, Cilt 18, Sayı 3, Sayfa 397-407, 2005.
9. İ. ÇOLAK,
Ş. Demirbaş ve E. Irmak., "Asenkron motor benzetimi için web
tabanli bir eğitim araci", Politeknik Dergisi, Cilt 9, Sayı 4, Sayfa
233-239, 2006.
10. R.
Bayındır, A. Bektaş ve İ. ÇOLAK,
"Asenkron motorlarin korunmasina yönelik
plc tabanli uygulama", Politeknik Dergisi, Cilt 10, Sayı 2, Sayfa
117-121, 2007.
11. R.
Bayındır, Ş. Sağıroğlu ve İ. ÇOLAK,
"Yapay sinir ağlari tabanli reaktif güç
kompanzasyonu", Politeknik Dergisi, Cilt 10, Sayı 2, Sayfa
129-135, 2007.
12. İ. ÇOLAK, M. Soysal, E. Irmak ve R.
Bayındır, "Doğru
akim motorunun dört bölge denetiminin eğitim amaçli gerçekleştirilmesi", Politeknik Dergisi, Cilt 10,
Sayı 3, Sayfa 219-227, 2007.
13. İ. ÇOLAK, R. Bayındır ve S. Kuruşcu, "PLC kontrollü asansör eğitim seti
tasarimi ve uygulamasi", Erciyes Üniversitesi Fen Bilimleri
Enstitüsü Dergisi, Cilt 23, Sayı 1-2, Sayfa 86-94,
2007.
14. İ. ÇOLAK, R. Bayındır, Ş. Demirbaş
ve A. Bektaş, "Bir endüstriyel iletmede enerjinin
izlenmesi", Erciyes Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt
24, Sayı 1-2, Sayfa 154-164, 2008.
15. İ. ÇOLAK ve İ. Kosalay, "Elektrik tesislerinde yildirimin etkilerinin elektromanyetik
uyumluluk açisindan incelenmesi", TÜBAV Bilim, Cilt 1, Sayı 1,
Sayfa 7-12, 2008.
16. İ. ÇOLAK ve M. Demirtas, "Rüzgâr enerjisinden elektrik üretiminin
türkiye'deki gelişimi", TÜBAV Bilim, Cilt 1, Sayı 2, Sayfa 64-72, 2008.
17. Ş. Sagıroğlu, İ. ÇOLAK, R. Bayındır ve A. Ozbilen, "Dağitik denetim
sistemlerine yönelik elektronik tehditler", TUBAV
Bilim, Cilt 1, Sayı 2, Sayfa 72-78, 2008.
18. İ. ÇOLAK ve E. Kabalci, "Çok seviyeli eviricilerin kontrol yöntemleri", TÜBAV
Bilim, Cilt 1, Sayı 2, Sayfa 45-54, 2009.
20. İ. ÇOLAK, R. Bayındır ve M.
Demirtas, "Türkiye'nin enerji geleceği", TÜBAV Bilim, Cilt 1, Sayı 2,
Sayfa 36-44, 2009.
21. İ. Garip,
S. Bayhan and İ. ÇOLAK, "Alternatörlerin paralel bağlanma şartlarindan gerilim eşitliğinin
mikrodenetleyici ile sağlanmasi", New World Sciences
Academy,Cilt 4, Sayı 4, Sayfa
348-359, 2009.
22.İ.
ÇOLAK, E. Kabalcı ve G. Keven, "Asimetrik
çok seviyeli eviricilerin incelenmesi", EMO Bilimsel Dergi, Cilt 2,
Sayı 3, Sayfa 29-35, 2012.