Design of a Fault-Tolerant Controller Based on Observers for a PMSM Drive

作者：Akrad Ahmad^*; Hilairet Mickael; Diallo Demba

来源：IEEE Transactions on Industrial Electronics, 2011, 58(4): 1416-1427.

DOI：10.1109/TIE.2010.2050756

• Adaptive observer (AO)
• fault-tolerant controller (FTC)
• Kalman filter
• mechanical sensor failure
• permanent-magnet synchronous motors (PMSMs)
• sensorless control

This paper presents a specific controller architecture devoted to obtain a permanent-magnet synchronous motor (PMSM) drive that is robust to mechanical sensor failure. In order to increase the reliability which is a key issue in industrial and transportation applications (electric or hybrid ground vehicle or aerospace actuators), two virtual sensors (a two-stage extended Kalman filter and a back-electromotive-force adaptive observer) and a maximum-likelihood voting algorithm are combined with the actual sensor to build a fault-tolerant controller (FTC). The observers are evaluated through simulation and experimental results. The FTC feasibility is proved through simulations and experiments on a 1.1-kW PMSM drive.

• 出版日期2011-4