Efficiency Optimization Control Method of IPMSM Based on Particle Swarm Optimization

Efficiency is a critical indicator for evaluating motor performance. This article utilizes i_d as the control variable and aims to minimize the total loss of interior permanent magnet synchronous motor (IPMSM) as the optimization objective, thereby developing an IPMSM efficiency optimization control method based on particle swarm optimization. The proposed method eliminates the need to solve complex high-order analytical equations associated with loss minimization control and facilitates the simultaneous optimization of copper loss and iron loss. Experimental results show that, compared to the i_d = 0 control and maximum torque per ampere control, the proposed approach enhances efficiency by 1.82% and 1.18%, respectively.