线控制动系统踏板感觉模拟器的分析与设计
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摘要
线控制动是汽车制动系统的发展方向,踏板感觉模拟器是线控制动系统的重要组成部分。在分析传统制动系统踏板位移与踏板压力关系的基础上,提出一种基于磁流变液可控流变特性阻尼可调的制动踏板感觉模拟器,进行了结构设计、阻尼计算、磁路分析及参数确定。结果显示:所设计的踏板感觉模拟器可以满足实际使用要求,具有一定的实用价值。
The brake-by-wire is the development direction of automobile brake system,and the pedal feeling simulator is an important part of brake-by-wire.Analyzing the relationship between pedal displacement and pedal pressure of the traditional brake system,one type of brake pedal feeling simulator which damping was adjustable was proposed based on the controllable rheological property of magnetorheological fluid.The structure was designed,the damping was calculated,the magnetic circuit was analyzed and the parameters were confirmed.The results show that the designed pedal feeling simulator can meet the actual requirements,and has certain practical value.
The brake-by-wire is the development direction of automobile brake system,and the pedal feeling simulator is an important part of brake-by-wire.Analyzing the relationship between pedal displacement and pedal pressure of the traditional brake system,one type of brake pedal feeling simulator which damping was adjustable was proposed based on the controllable rheological property of magnetorheological fluid.The structure was designed,the damping was calculated,the magnetic circuit was analyzed and the parameters were confirmed.The results show that the designed pedal feeling simulator can meet the actual requirements,and has certain practical value.
引文
[1]林逸,沈沉,王军,等.汽车线控制动技术及发展[J].汽车技术,2005(12):1-3.
[2]郑宏宇,宗长富,高越,等.线控制动系统的踏板力模拟研究[J].系统仿真学报,2008,20(4):1016-1019.
[3]张元才,余卓平,徐乐,等.基于制动意图的电动汽车复合制动系统制动力分配策略研究[J].汽车工程,2009,31(3):244-249.
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[6]Yang Getal.Large-scale magnetorheological fluid damperfor vibration mitigation:modeling,testing and control.Ph.Ddissertation University of Notre Dame,Indiana,USA,2001.
[7]陈进新,王宇.一种可应用于小阻尼力领域的新型磁流变液阻尼器[J].振动与冲击,2009,28(2):155-161.
[8]林志轩,高晓杰.制动踏板感觉研究现状[J].农业装备与车辆工程,2007(6):4-7.
[2]郑宏宇,宗长富,高越,等.线控制动系统的踏板力模拟研究[J].系统仿真学报,2008,20(4):1016-1019.
[3]张元才,余卓平,徐乐,等.基于制动意图的电动汽车复合制动系统制动力分配策略研究[J].汽车工程,2009,31(3):244-249.
[4]SHAMES I H,COZZARELLI F A.Elastic and inelasticstress analysis[M].New Jersey:Prentice Hall,EnglewoodCliffs,1992.
[5]欧进萍,关新春.磁流变耗能器及其性能[J].地震工程与工程振动,1998,8(3):74-81.
[6]Yang Getal.Large-scale magnetorheological fluid damperfor vibration mitigation:modeling,testing and control.Ph.Ddissertation University of Notre Dame,Indiana,USA,2001.
[7]陈进新,王宇.一种可应用于小阻尼力领域的新型磁流变液阻尼器[J].振动与冲击,2009,28(2):155-161.
[8]林志轩,高晓杰.制动踏板感觉研究现状[J].农业装备与车辆工程,2007(6):4-7.
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