Abstract：For the permanent magnet synchronous motor (PMSM) drive system in electric vehicle using resolver as position sensor,researches are focused on the online fault diagnosis and adaptive fault-tolerant control of amplitude umbalance and quadrature imperfect faults in this paper.First,the position deviation and the fault features of d-and q-axis stator currents caused by amplitude umbalance and quadrature imperfect faults are analyzed.Then,by fault mode location,identification and fault degree evaluation,the effective extraction and separation of fault features in q-axis stator current are presented to implement the online fault diagnosis,moreover,the effect of q-axis current ripple caused by inverter dead-time effects on the diagnosis accuracy of position sensor fault is skillfully avoided.And then,The adaptive fault-tolerant control is achieved by using the obtained position deviation.At last,the reasonable and effectiveness of proposed online fault diagnosis and adaptive fault-tolerant control strategy are validated through system modeling,simulation researches and experimental testing.
李红梅,姚宏洋,王萍. PMSM驱动系统位置传感器故障在线诊断与自适应容错控制[J]. 电工技术学报, 2016, 31(增刊2): 228-235.
Li Hongmei, Yao Hongyang,Wang Ping. Position Sensor Online Fault Diagnosis and Adaptive Fault-Tolerant Control of PMSM Drive System. Transactions of China Electrotechnical Society, 2016, 31(增刊2): 228-235.
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2016, Vol. 31 
