Comparison of Different PWM Switching Modes of BLDC Motor as Drive Train of Electric Vehicles

Electric vehicle (EV) is one of the effective solutions to control emission of greenhouses gases in the world. It is of interest for future transportation due to its sustainability and efficiency by automotive manufacturers. Various electrical motors have been used for propulsion system of electric vehicles in last decades. In this paper brushed DC motor, Induction motor (IM), switched reluctance motor (SRM) and brushless DC motor (BLDC) are simulated and compared. BLDC motor is recommended for high performance electric vehicles. PWM switching technique is implemented for speed control of BLDC motor. Behavior of different modes of PWM speed controller of BLDC motor are simulated in MATLAB/SIMULINK. BLDC motor characteristics are compared and discussed for various PWM switching modes under normal and inverter fault conditions. Comparisons and discussions are verified through simulation results.

Authors:

• A. Tashakori
• M. Ektesabi

Keywords:

• BLDC motor
• PWM switching technique
• in-wheel technology
• electric vehicle.

References:

[1] B.K. Lee, M. Ehsani, "Advanced BLDC motor drive for low cost and
high performance propulsion system in electric and hybrid vehicles",
Texas AM University, Dept. of Electrical Engineering, College Station,
TX 77843-3128, USA.
[2] A. Tashakori, M. Ektesabi and N. Hosseinzadeh, "Characteristic of suitable
drive train for electric vehicle", 2010 3rd International Conference on
Power Electronic and Intelligent Transportation System (PEITS), 20-21
Nov 2010, Shenzhen, China.
[3] X.D. Xue, K. W. E. Cheng, and N. C. Cheung, "Selection of electric
motor drives for electric vehicles", Department of Electrical Engineering,
Hong Kong Polytechnic University, Hong Kong, China.
[4] Tae-Hyung Kim, M. Ehsani, "Sensorless control of the BLDC motors
from near-zero to high speeds", IEEE Trans. ON POWER ELECTRONICS,
ISSN 0885-8993, P. 1635, Nov 2004.
[5] A. Sathyan, N. Milivojevic, Y. Lee, M. Krishnamurthy and Ali Emadi,
"An FPGA-Based Novel Digital PWM Control Scheme for BLDC Motor
Drives", IEEE Trans. ON INDUSTRIAL ELECTRONICS, VOL. 56, NO.
8, AUGUST 2009.
[6] Kyeong-Hwa Kim and Myung-Joong Youn, "Performance comparison
of PWM inverter and variable DC link inverter schemes for high-speed
sensorless control of BLDC motor", ELECTRONICS LETTERS, Vol. 38
No. 21 10th October 2002.
[7] X.D. Xue, K. W. E. Cheng, and N. C. Cheung, "Selection of electric
motor drives for electric vehicles", Department of Electrical Engineering,
Hong Kong Polytechnic University, Hong Kong, China.
[8] M. Jain, S.S. Williamson, "Suitability analysis of in-wheel motor direct
drives for electric and hybrid electric vehicle", 2009 IEEE Electrical
Power and Energy Conference, EPEC 2009, art No. 5420886.
[9] S.E Gay, H. Gao, and M.Ehsani, "Fuel cell hybrid drive train configuration
and motor drive selection", 2002 IEEE 56th Vehicular Technology
Conference, VTC 2002-Fal, Vol. 2, 2002, pp. 24-28.
[10] Xiang-Qun Liu, Hong-Yue Zhang, "Fault detection and diagnosis of
permanent-magnet dc motor based on parameter estimation and neural
network", IEEE Trans. ON INDUSTRIAL ELECTRONICS, Vol. 47, No. 5,
October 2000.
[11] Olaf Moseler, Rolf Isermann, "Application of model-based fault detection
to a brushless dc motor", IEEE Trans. ON INDUSTRIAL ELECTRONICS,
Vol. 47, No. 5, October 2000.
[12] T.Hemanand, T. Rajesh, "Speed Control of Brushless DC Motor Drive
Employing Hard Chopping PWM Technique Using DSP", Proceedings
of India International Conference on Power Electronics 2006.