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当前位置: 首页 > 文章 > 电动助力转向在环仿真试验台的开发 江苏大学学报(自然科学版) 2018 (2) 139-143+154
Position: Home > Articles > Development of electric power steering in loop simulation test bench Journal of Jiangsu University (Natural Science Edition) 2018 (2) 139-143+154

电动助力转向在环仿真试验台的开发

作  者：
曹艳玲;曹增;徐立友
单  位：
河南科技大学车辆与交通工程学院
关键词：
电动助力转向;电动推杆;加载装置;转向阻力矩;虚拟试验
摘  要：
针对车辆EPS系统的传统性能试验周期长、投入成本高、效率低等一系列问题,基于TAT-6/TL型"电动助力转向在环仿真试验台",对该试验台进行了重新开发,完成了阻力加载系统的设计与试验验证.根据EPS系统的工作特性和测试内容,选择电动推杆式加载装置,由控制器(MCS912)根据车速和转向盘转角对电动推杆进行实时控制,可以精确模拟不同转向工况下的转向阻力矩.利用虚拟试验技术与EPS试验台的结合,使试验台试验更加接近实际转向工况,且调试方便快捷,减少了对实车试验的依赖.通过原地和行驶转向工况的转向阻力相关试验、电流跟随与响应特性试验对直线型EPS系统性能进行分析.结果表明:仿真和试验结果基本一致,满足了EPS性能测试的基本要求.
译  名：
Development of electric power steering in loop simulation test bench
作  者：
CAO Yanling;CAO Zeng;XU Liyou;College of Vehicle and Traffic Engineering,Henan University of Science and Technology;
关键词：
electric power steering;;electric linear actuator;;loading device;;steering resistance torque;;virtual test
摘  要：
To solve the problems of traditional vehicle EPS system performance test with long test period,high input cost and low efficiency,the experimental platform was redeveloped based on the TAT-6/TL type of electric power steering in the loop simulation test bench. According to the working characteristics and testing requirements of EPS system,the electric push rod loading device was selected,and the electric putter real-time control was realized based on the speed and steering wheel angle by MCS912 controller. The steering resistance was accurately simulated under different steering conditions. By the virtual test technology and EPS test bench,the debugging was conveniently and quickly realized to reduce the dependence on real vehicle test. The performance of the linear EPS system was verified by the resistance test of ground and steering condition,the current follower and the response characteristic test.The results show that the simulation and test results are basically consistent,which can meet the requirements of EPS performance test.

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