电励磁同步电机无速度传感器矢量控制研究  

Research on Vector Control of Electrically Excited Synchronous Motor Without Speed Sensor

作　　者：李党盈 张红 赵永波 刘耿博 LI Dang-ying;ZHANG Hong;ZHAO Yong-bo;LIU Geng-bo(Industrial Power Division,Xi'an Megmeet Electrical Co.,Ltd.,Xi'an 710075,China)

机构地区：[1]西安麦格米特电气有限公司工业电源事业部,西安710075

出　　处：《西安航空学院学报》2021年第1期72-77,共6页Journal of Xi’an Aeronautical Institute

摘　　要：为了辨识电励磁同步电机气隙磁场定向无速度传感器矢量控制系统中电机转速,运用MATLAB软件对电励磁同步电机建模,通过模型参考自适应系统的转速观测器估计电机转速控制环的反馈量,利用转速观测器中改进的电压参考模型和电流可调模型分别对电机的气隙磁链进行观测,在观测结果差值上定义广义误差,再经过自适应调整得到转速的辨识值。仿真与实验结果证明这一方法能够准确地辨识电机转速。研究结果对电励磁同步电机无速度传感器控制系统的分析、设计和实现具有一定的参考价值。In order to identify the motor speed in the air-gap field-oriented speed sensorless vector control system of electrically-excited synchronous motors,MATLAB software is used to model the electrically excited synchronous motor,and the speed observer of the model reference adaptive system is used to estimate the speed of the motor speed control loop.The feedback value is used to observe the air gap flux linkage of the motor using the improved voltage reference model and the current adjustable model in the speed observer.The generalized error is defined on the difference of the observation results,and then the identification value of the speed is obtained by adaptive adjustment.Simulation and experimental results prove that this method can accurately identify the motor speed.The research results have certain reference value for the analysis,design and realization of the speed sensorless control system of the electrically excited synchronous motor.

关 键 词：电励磁同步电机 无速度传感器 矢量控制 气隙磁场 转速观测器 

分 类 号：TM341[电气工程—电机] TP273[自动化与计算机技术—检测技术与自动化装置]