Title :
Current modulation in a PM disc motor for a direct EV drive
Author :
Hredzak, B. ; Hin, P. S M C ; Gair, S.
Author_Institution :
Dept. of Electr. Eng., Singapore Polytech., Singapore
Abstract :
This paper presents experimental results obtained for a PM double sided axial field machine with central rotor intended for use in a direct electric vehicle (EV) wheel drive. The stators of the machine are attached to the chassis of the car whilst the rotor directly drives the road wheel. Perturbation of the rotor while the vehicle is moving causes torque fluctuations in the machine. These torque pulsations are eliminated by the modulation of the input motor current using a signal obtained from the identification of the flux.
Keywords :
electric vehicles; permanent magnet motors; rotors; stators; torque control; wheels; PM disc motor; PM double sided axial field machine; central rotor; direct electric vehicle wheel drive; flux identification; motor current modulation; rotor perturbation; stators; torque fluctuations; torque pulsations; Brushless motors; Drives; Hysteresis motors; Inductance; Magnetic materials; Permanent magnet motors; Rotors; Stators; Torque; Wheels;
Conference_Titel :
Power Electronic Drives and Energy Systems for Industrial Growth, 1998. Proceedings. 1998 International Conference on
Print_ISBN :
0-7803-4879-6
DOI :
10.1109/PEDES.1998.1330702
