期刊
IEEE ACCESS
卷 8, 期 -, 页码 78912-78922出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.2989821
关键词
Synergetic controller; fault diagnosis; fault-tolerant control; speed sensor fault; dual three-phase permanent-magnet synchronous machine (dual-PMSM)
资金
- Natural Science Foundation of Tianjin [16JCQNJC04200]
- National Natural Science Foundation of China [51637009, 51707174]
- University Students Innovation and Entrepreneurship Training Program of China [201810069019, 201910069016]
Stability and reliability are the most important indicators of drive systems. In this article, a robust nonlinear control method is advanced for dual three-phase permanent-magnet synchronous machine (dual-PMSM) drives, based on the synergetic control theory. This control is implemented by a new synergetic controller (SGC) integrating with an extended sliding mode observer (ESMO), and an optimization method is applied to obtain the optimal parameters of the SGC. This control scheme not only improves the dynamic performance even with operating parameters change, but also can diagnose the speed sensor fault and realize the fault tolerant control (FTC). The proposed control method is compared with the PI control, the sliding mode control (SMC) and the predictive control, as well as the simulation and experimental results confirm the superior dynamic performance and the effectiveness on the speed sensor fault diagnosis (FD) and FTC.
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