期刊
IEEE ACCESS
卷 9, 期 -, 页码 777-788出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2020.3047257
关键词
Iron; Torque; Air gaps; Permanent magnet motors; Integrated circuit modeling; Equivalent circuits; Optimization; Permanent magnet synchronous motor; efficiency optimization; particle swarm optimization; golden section method
资金
- National Key Research and Development Program of China [2018YFB0104900]
- National Science Foundation [61763021]
An improved online particle swarm optimization algorithm is proposed to optimize the traditional search controller for a permanent magnet synchronous motor, which can significantly improve the motor efficiency under non-stationary operating conditions.
In this paper, an improved online particle swarm optimization (PSO) is proposed to optimize the traditional search controller for improving the operating efficiency of the permanent magnet synchronous motor (PMSM). This algorithm combines the advantages of the attraction and repulsion PSO and the distributed PSO that can help the search controller to find the optimal d - axis air gap current quickly and accurately under non-stationary operating conditions, thereby minimizing the air gap flux and then improving the motor efficiency. To verify the effectiveness and stability of this proposed algorithm, the operating efficiency of PMSM as using this proposed algorithm is compared with that of traditional search controller under non-stationary operating conditions. The results show that the proposed algorithm can improve the operating efficiency of PMSM by 6.03% on average under non-stationary operation conditions. This indicates that the search controller based on the improved PSO has a better adaptation to the variation of external operating conditions, and can improve the operation efficiency of PMSM under non-stationary condition.
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