简介:为了加强磁流变液(MagnetoRheologicalFluid,MRF)制动器的制动性能,设计一种多盘式MRF制动器,建立多盘式MRF制动器有限元模型,对多盘式MRF制动器的磁路做磁场仿真分析。仿真结果表明,多盘式MRF制动器工作区域的磁通密度值随着励磁电流值的增长而增长;多盘式MRF制动器工作间隙的影响仅在一定范围内有效,所以多盘式MRF制动器的结构设计和磁路设计合理。搭建MRF制动器试验台,试验结果表明,多盘式MRF制动器的实际输出力矩为237.2Nm,而普通汽车紧急制动所需的最大制动力矩为200Nm,普通制动所需的制动力矩小于200Nm,所以多盘式MRF制动器输出力矩完全满足微型汽车制动的需要。
简介:卫星导航系统现在越来越被人们熟悉,但是其技术的发展却还处于起步阶段。这套系统可以把你从A地区带到B地区,但情况却没有那么简单。系统所呈现的内容与司机看到的情况大相径庭。他们往往直接将你带入拥挤的交通当中。
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