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Multilayer control of an induction motor drive:A strategic step for automotive applications

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3 Author(s)
Hainan Wang ; Electr. Eng. Dept., Pioneer Magnetics, Los Angeles, CA, USA ; S. Pekarek ; B. Fahimi

Fault tolerance is a critical attribute in automotive electrical and propulsion systems. In this paper, a control scheme is presented that allows an induction motor drive system to operate in the event of multiple sensor failures. Automatic diagnosis of sensor fault and recovery is performed and used to reconfigure the drive system controls to achieve the best performance in lieu of component degradation. This approach couples a new digital delta-hysteresis regulation scheme with a model reference adaptive system scheme in order to provide fault tolerance for both phase-current and rotor position (speed) sensors. Simulation and experimental results are provided to show the effectiveness of the proposed scheme

Published in:

IEEE Transactions on Power Electronics  (Volume:21 ,  Issue: 3 )