期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 35, 期 5, 页码 5093-5101出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2019.2947259
关键词
Linear quadratic regulator control; parameter robustness; permanent magnet synchronous motor; torque ripple
资金
- National Natural Science Foundation of China [51777135]
- Major Program of National Natural Science Foundation of China [51690183]
In this article, the influence of the parameter nonlinearity on the torque and stator flux is considered, and the nonlinear mathematical model of permanent magnet synchronous motor is established. On the basis, the torque controller is proposed through three steps: designing the nonlinear disturbance observer, deriving an optimal control law, and injecting the observations into the optimal control law. With the assist of space vector pulse width modulation, the proposed torque controller is applied for permanent magnet synchronous motor. Experimental results from a 2.3-kW prototype are performed, which validate the effectiveness of the proposed method.
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