基于自适应超扭曲滑模观测与逆变器非线性补偿的PMSM控制

吴昊燃,李演明,张福景,蒋丰合,林海

PMSM control with inverter nonlinearity compensation based on adaptive super-twisting sliding mode

Haoran WU,Yanming LI,Fujing ZHANG,Fenghe JIANG,Hai LIN

表 3 不同观测器在不同电机转速下的观测性能参数比较

Tab.3 Comparison of observation performance parameters for different observers at various motor speeds

n/(r·min−1) 观测器 $\tilde{n}_{\max} $/(r·min−1) $\tilde{n}_{\mathrm{r}} $/(r·min−1) $\tilde{\theta }_{\max} $/rad $\tilde{\theta }_{\mathrm{r}} $/rad 800 SMO 15.1 29.5 0.110 0.110 ST-SMO 7.4 13.8 0.060 0.033 IAST-SMO 2.1 4.5 0.030 0.012 1200 SMO 12.1 23.4 0.080 0.042 ST-SMO 5.6 10.6 0.045 0.027 IAST-SMO 1.9 3.7 0.025 0.009