Abstract：The accuracy of rotor position information affects the performance of high-speed permanent magnet synchronous motor (HSPMSM). The rotor position estimation is vulnerable to some non-ideal factors at high speed, such as the filters and the deviations of motor parameters. In this paper, a phase-locked loop with adaptive phase-locked reference is proposed to eliminate the rotor position error. The main idea of the proposed method is that the position error related to the fundamental frequency is compensated by reconstructing the position error with phase-locked loop (PLL). The reference of phase-locked loop is adjusted adaptively to minimize the current and compensate the position error of non-fundamental frequency. In this way, the position error is fully compensated. The proposed method has the advantages of simple implementation, low parameter-dependence and strong robustness. Finally, simulations and experiments were conducted on a HSPMSM, and the results verified the effectiveness of the proposed method.
王晓琳, 刘思豪, 顾聪. 基于自适应基准锁相环的高速永磁电机转子位置误差全补偿方法[J]. 电工技术学报, 2021, 36(20): 4308-4317.
Wang Xiaolin, Liu Sihao, Gu Cong. A Rotor Position Error Compensation Algorithm for High-Speed Permanent Magnet Motor Based on Phase-Locked Loop with Adaptive Reference. Transactions of China Electrotechnical Society, 2021, 36(20): 4308-4317.
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2021, Vol. 36 
