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Position: Home > Articles > Study on Return-to-center Control of Electric Power Steering System Transactions of the Chinese Society for Agricultural Machinery 2007,38 (5) 12-16

电动助力转向系统回正控制研究

作  者:
高勇;陈龙;袁传义;江浩斌;袁朝春
单  位:
江苏大学汽车与交通工程学院
关键词:
汽车;电动助力转向;回正控制策略;台架
摘  要:
根据转向系统的回正特性,针对现有的电动助力转向系统模型在回正控制中的不足,提出了新的回正控制算法。借助专家控制器,实现了不同转向状态下控制策略的变换,即将常规助力控制和回正控制算法结合,采用控制器的辨识算法和监督算法构成闭环系统,使转向行程判断准确,实时性好。在此基础上,设计了新型的试验台架,可以更好地模拟车轮转向过程。结果表明,采用该回正控制策略能获得较好的回正性能,同时提高了转向系统的稳定性。
译  名:
Study on Return-to-center Control of Electric Power Steering System
作  者:
Gao Yong Chen Long Yuan Chuanyi Jiang Haobin Yuan Chaochun(Jiangsu University)
关键词:
Vehicle,Electric power steering,Return-to-center control scheme,Test-bed
摘  要:
According to the return-to-center characteristics of a steering system and the deficiencies of an electric steering system model in the process of return-to-center,a new return-to-center control scheme was put forward.By dint of an expert controller,a control scheme that can convert in different steering state was realized.Based on above analysis,a new pattern of test-bed was designed,which could simulate the process of steering better.The results show that this control scheme can obtain excellent return-to-center performance and improve the stability of steering system.

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