摘要
为抑制基于传统高频脉振电压注入算法的永磁同步电机无传感器控制系统中由于滤波器的叠加使用导致的滤波延迟及观测精度较低等问题,提出一种自适应广义二阶积分器(adaptive second-order generalized intergrator, ASOGI),将转速引入特征频率及比例系数中,动态调整系统带宽及选频性能,并将其分别应用于高频响应电流的提取及二倍高频分量滤波,取代带通滤波器(band-pass filter, BPF)和低通滤波器(low-pass filter, LPF),此外,提出一种改进锁相环(phase-locked loop, PLL)算法,基于SOGI提取谐波幅值并消除观测环中注入电压幅频及电机参数的影响。最后运用MATLAB/Simulink进行仿真实验,其中在转速转矩突变时的转速及转矩脉动分别降低了50%和60%,表明了该方法可有效改善系统动态响应及观测精度。
In order to suppress the problem of filter latency and low observation accuracy due to the use of the filter in the permanent magnet synchronous motor without sensor control system based on the traditional high-frequency pulse voltage voltage injection algorithm.Adaptive second-order generalized intergrator(ASOGI),which introduces the speed to the characteristic frequency and proportional coefficient, dynamically adjust the system bandwidth and frequency selection performance, and apply it to the extraction of high-frequency response current and double high-frequency segmentation filtering.Replacing band-pass filter(BPF) and low-pass filter(LPF),in addition, propose a phase-locked loop(PLL) algorithm, based on SOGI extraction the harmonious amplitude value is eliminated and the influence of voltage amplitude and motor parameters in the observation ring.Finally, MATLAB/Simulink was used for simulation experiments.Among them, the speed and rotation pulse of the rotation of the speed of the speed of the speed reduced by 50%and 60%,respectively, indicating that the method can effectively improve the dynamic response and observation accuracy of the system.
作者
李宁
郝成
姚征
张怡
LI Ning;HAO Cheng;YAO Zheng;ZHANG Yi(College of Electrical Engineering,North China University of Science and Technology,Tangshan 063210,China)
出处
《组合机床与自动化加工技术》
北大核心
2023年第2期164-168,共5页
Modular Machine Tool & Automatic Manufacturing Technique
基金
国家自然科学基金青年科学基金项目(61803154)。
关键词
高频脉振信号注入
自适应二阶广义积分器
滤波补偿锁相环
无传感器
high-frequency pulse signal injection
adaptive second-order broad integralizer
filter compensation lock ring
no sensor
