基于实时负载转矩反馈补偿的永磁同步电机变增益PI控制OA北大核心CSCDCSTPCD
Variable Gain PI Control Method for Permanent Magnet Synchronous Motor Based on Load Torque Feedback Real-Time Compensation
为了减小负载转矩扰动对永磁同步电机转速的影响,对负载转矩扰动下永磁同步电机(PMSM)伺服系统数学模型的频域特性进行了研究,总结出负载转矩扰动和速度PI控制器参数之间的关系,提出了基于负载转矩反馈补偿的永磁同步电机变增益PI控制方案.变增益PI(VGPI)控制器根据转速信号中特定频率分量的变化,进行控制器增益的实时调节;同时采用FPGA器件设计并实现了基于Kalman滤波器的负载转矩观测器,能够对负载转矩扰动进行实时观测和补偿,提高了永磁同步电机…查看全部>>
In order to reduce the effects caused by load torque disturbances,the frequency characteristics of permanent magnet synchronous motor(PMSM)servo system speed response model under load torque disturbance are studied.Based on the relationship between the speed fluctuation caused by load torque disturbance and the parameters of speed PI regulator,a variable gain PI(VGPI)control method for PMSM based on load torque feedback compensation is proposed.According to …查看全部>>
关欣;李叶松
华中科技大学自动化学院 武汉 430074华中科技大学自动化学院 武汉 430074
信息技术与安全科学
永磁同步电机负载转矩扰动变增益PI负载转矩观测器
Permanent magnet synchronous motor(PMSM)load torque disturbancevariable gain PI (VGPI)load torque observer
《电工技术学报》 2016 (23)
38-45,8
国家科技重大专项项目资助(2012ZX04001-022).
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