电气传动2023，Vol.53Issue(12)：4-9,6.DOI:10.19457/j.1001-2095.dqcd25113
考虑位置观测误差的永磁同步电机无传感器驱动系统MTPA控制策略
MTPA Control Strategy Considering Position Estimation Error for Sensorless Drive System of Permanent Magnet Synchronous Motor
摘要
Abstract
Maximum torque per ampere(MTPA)control is one of the important methods to improve the efficiency of sensorless drive system of permanent magnet synchronous motor(PMSM).In the sensorless drive system,the traditional calculation method deduces the analytical solution of the optimal current vector angle according to the formula,which ignores the characteristics of the position error changes,and the accuracy of the injection virtual signal optimization method is also reduced by the position error.In order to solve this problem,an MTPA control method considering position estimation error was proposed.By comparing the optimal current vector angle tracking result of the above two methods in the sensorless drive system,the position error was estimated.Then the estimated position error was applied to correct the motor mathematical model for the high-accuracy tracking of the optimal current vector angle.Finally,the effectiveness of the proposed method was verified on the 2.2 kW interior PMSM(IPMSM)experimental platform.关键词
内置式永磁同步电机/MTPA控制/无传感器控制/虚拟信号注入Key words
interior permanent magnet synchronous motor(IPMSM)/maximum torque per ampere(MTPA)control/sensorless control/virtual signal injection分类
信息技术与安全科学引用本文复制引用
张国强,牛犇,杨华,王高林,徐殿国..考虑位置观测误差的永磁同步电机无传感器驱动系统MTPA控制策略[J].电气传动,2023,53(12):4-9,6.基金项目
国家自然科学基金(52177034) （52177034）
