电机与控制应用2025，Vol.52Issue(9)：985-994,10.DOI:10.12177/emca.2025.087
有取向硅钢永磁同步直线电机高频注入位置估计试验研究
Experimental Study of High-Frequency Injection Position Estimation in Oriented Silicon Steel Permanent Magnet Synchronous Linear Motor
摘要
Abstract
[Objective]The aim of this paper is to investigate whether the voltage amplitude of the high-frequency square wave injection signals used in oriented silicon steel permanent magnet synchronous linear motor(PMSLM)can be lower than that of non-oriented silicon steel PMSLM when a high-frequency injection method is used for sensorless control to estimate the motor position.[Methods]Firstly,the mathematical model of PMSLM was established based on Simulink.Then,the position estimation of the PMSLM mathematical model was performed using a control method combining vector control,position velocity current triple closed-loop proportional integral control and high-frequency injection method.Finally,the model in Simulink was imported into the PMSLM through the RTU-BOX fast model for experiment,and the experimental results of the oriented silicon steel PMSLM and the non-oriented silicon steel PMSLM were compared.[Results]The initial injection voltage amplitude was set to 4.8 V.At this time,the absolute value of the estimated position error of the non-oriented silicon steel PMSLM obtained by the high-frequency injection method was less than 15%.Decreasing the injected voltage amplitude in steps of 0.1 V,the absolute values of the estimated position errors of the non-oriented silicon steel PMSLM were all less than 15%when the voltage amplitude was in the range of 4.8～0.4 V.The absolute value of the estimated position error of the non-oriented silicon steel PMSLM was greater than 15%when the voltage amplitude was reduced to 0.3 V,while the absolute value of the position error of the oriented silicon steel PMSLM was less than 15%at this point.[Conclusion]The anisotropy of oriented silicon steel can change the magnetic permeability,and the amplitude of the injection voltage for position estimation using the high-frequency injection method can be lower compared to that of non-oriented silicon steel.关键词
有取向硅钢/直线电机/高频方波注入/矢量控制/快速模型Key words
oriented silicon steel/linear motor/high-frequency square wave injection/vector control/fast model分类
信息技术与安全科学引用本文复制引用
刘意圆,张博..有取向硅钢永磁同步直线电机高频注入位置估计试验研究[J].电机与控制应用,2025,52(9):985-994,10.基金项目
国家自然科学基金(52207064,52177054) （52207064,52177054）
辽宁省应用基础研究计划项目(2023JH2/101600001)National Natural Science Foundation of China(52207064,52177054) （2023JH2/101600001）
Liaoning Province Applied Basic Research Program Project(2023JH2/101600001) （2023JH2/101600001）
