摘要
针对中高速运行条件下PMSM系统的位置传感器故障,文章首先采用直接缩放法对PMSM系统位置和转速进行估计,再将直接缩放法与最大似然估计算法相结合,实现PMSM系统在位置传感器故障下的容错控制。在理论研究的基础上,通过系统建模和仿真证实了建议的PMSM系统容错控制方案的可行性和有效性。
Aiming at the position sensor fault of permanent magnet synchronous motor（PMSM） system when the system operates in medium-speed and high-speed range, the rotor position and speed are first estimated by the direct scaling method, and then by combining the direct scaling method with the maximum likelihood voting, the fault-tolerant control（FTC） is implemented in the PMSM system with the position sensor fault. Based on the theoretical researches, the system modeling and simulation are achieved and the simulation results verify the feasibility and validity of the proposed fault-tolerant control scheme.
出处
《合肥工业大学学报（自然科学版）》
CAS
CSCD
北大核心
2013年第5期551-554,624,共5页
Journal of Hefei University of Technology：Natural Science
关键词
永磁同步电机
位置传感器故障
直接缩放法
最大似然估计
容错控制
permanent magnet synchronous motor（PMSM）
position sensor fault
direct scaling method
maximum likelihood voting
fault-tolerant control（FTC）
