Title :
Failure characteristics of motor system using distributed inverters for PMSM
Author :
Nagaishi, Masakazu ; Osumi, Hisashi
Author_Institution :
Dept. of Precision Eng., Chuo Univ., Tokyo, Japan
Abstract :
A motor control system driven by multiple distributed inverters has been proposed until now to improve the robustness and the fail-operational control performance of motor drivers just after some of the inverters break down. Its failure characteristics are examined and analyzed by some experiments using a permanent magnet synchronous motor (PMSM) with eight poles and twelve windings. The proposed control system consists of four current controllers and inverters which are installed in parallel between the velocity controller and the motor. In the experiment, the proposed system could keep the commanded velocity without any instability of the system even after three inverters failed at the same time.
Keywords :
electric current control; failure analysis; invertors; machine control; machine windings; permanent magnet motors; synchronous motor drives; velocity control; PMSM distributed inverters; control system; current controllers; fail-operational control performance; motor control system; motor system failure characteristics; motor windings; permanent magnet synchronous motor drives; velocity controller; Circuits; Control systems; DC motors; Distributed control; Inverters; Motion control; Motor drives; Permanent magnet motors; Synchronous motors; Velocity control; Fault handling strategy; Permanent magnet motor; Voltage Source Inverter;
Conference_Titel :
Power Electronics and Applications, 2009. EPE '09. 13th European Conference on
Conference_Location :
Barcelona
Print_ISBN :
978-1-4244-4432-8
Electronic_ISBN :
978-90-75815-13-9
