EPS用永磁同步电机性能测试系统设计  

Design of Permanent Magnet Synchronous Motor Performance Test System for EPS

作　　者：李泽琪 陆艺 郭斌 胡晓峰 陈威 LI Zeqi;LU Yi;GUO Bin;HU Xiaofeng;CHEN Wei(College of Metrology and Measurement Engineering,China Jiliang University,Hangzhou 310020,China;Hangzhou Wolei Intelligent Technology Co.,Ltd.,Hangzhou 310018,China)

机构地区：[1]中国计量大学计量测试工程学院,杭州310020 [2]杭州沃镭智能科技股份有限公司,杭州310018

出　　处：《组合机床与自动化加工技术》2023年第7期83-86,共4页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家市场监督管理总局科技计划项目(2021MK189);浙江省公益性技术应用研究计划项目(LGG21E050019);浙江省科技计划项目省级重点研发计划项目(2021C01136)。

摘　　要：针对现有EPS(electrical power steering)电机测试系统结构受限、忽视弱磁控制下被测电机转矩输出能力等问题,研发了基于LabVIEW的EPS用永磁同步电机(permanent magnet synchronous motor,PMSM)性能测试系统。系统分为主动电机加载、被测电机控制、数据采集三大模块,通过开放控制器弱磁超前角参数、引入阶次分析技术等方法,对某型EPS用PMSM进行转矩-转速特性(T-N)和转矩波动测试(T-R)。试验结果表明,电机在被测转速点下输出转矩误差不超过5%(0 rpm时误差不超过3%);低转速工况转矩波动主要分布在24阶,转矩幅值小于0.030 N·m,其余各阶次未出现明显转矩波动。验证了试验台架的准确性与可靠性,完成产品质量自动化检验。Aiming at the problem that the existing EPS motor test system structure is limited and the torque output ability of the measured motor under the flux weakening control is ignored,a PMSM performance test system for EPS based on LabVIEW is developed.The system is divided into three modules:active motor loading,measured motor control and data acquisition.By opening the parameters of the controller′s flux weakening lead angle and introducing the order analysis technology,to test the torque-speed characteristics(T-N)and torque ripple(T-R)of PMSM for a certain type of EPS.The test results showed that the torque error of the motor is less than 5%at the measured speed point(less than 3%at 0 rpm).The torque ripple in the low rotation speed condition was mainly distributed in the 24th order,and the torque amplitude was less than 0.030 N·m.The other orders had no obvious torque fluctuation.The accuracy and reliability of the test bench were verified,and the product quality inspection was completed.

关 键 词：永磁同步电机 EPS 弱磁控制 性能测试 

分 类 号：TH165[机械工程—机械制造及自动化] TG659[金属学及工艺—金属切削加工及机床]