摘要
针对永磁同步电机无传感器控制问题,设计了一种滑模观测器用于估算电机转子位置和速度。该滑模观测器采用参数可调的曲线函数作为开关函数进行连续控制,有效削弱系统"抖动",改善了系统结构,对参数摄动和不确定因素有很强的鲁棒性。
In allusion to sensorless control problems of permanent magnet synchronous motors,a kind of sliding-mode observer（SMO） was designed to estimate motor rotor position and speed.The SMO adopted adjustable parameters of sigmoid function as the switch function to carry out continuous control,so that the oscillation of system was weakened effectively,the system structure improved.The SMO against the parameter variation and the uncertainties is of good robustness.
出处
《电工电气》
2011年第5期20-22,共3页
Electrotechnics Electric
关键词
滑模观测器
永磁同步电机
无传感器
sliding-mode observer
permanent magnet synchronous motor
sensorless
