Research of Optimization and Braking Characteristic of Magneto-rheological Fluid Brake for Electric Vehicle

Ni Jinshang

doi:10.16578/j.issn.1004.2539.2018.10.006

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Research of Optimization and Braking Characteristic of Magneto-rheological Fluid Brake for Electric Vehicle

更新时间：2022-10-20

- Research of Optimization and Braking Characteristic of Magneto-rheological Fluid Brake for Electric Vehicle
- Vol. 42, Issue 10, Pages: 29-34(2018)
- 作者机构：
  
  1. 常州工程职业技术学院机电与汽车工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2018.10.006
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[1]倪晋尚.电动汽车磁流变液制动器优化及制动特性研究[J].机械传动,2018,42(10):29-34.

Ni Jinshang. Research of Optimization and Braking Characteristic of Magneto-rheological Fluid Brake for Electric Vehicle. [J]. 42(10):29-34(2018)
[1]倪晋尚.电动汽车磁流变液制动器优化及制动特性研究[J].机械传动,2018,42(10):29-34. DOI： 10.16578/j.issn.1004.2539.2018.10.006.

Ni Jinshang. Research of Optimization and Braking Characteristic of Magneto-rheological Fluid Brake for Electric Vehicle. [J]. 42(10):29-34(2018) DOI： 10.16578/j.issn.1004.2539.2018.10.006.

摘要

以电动汽车磁流变液制动器为研究对象,分析磁流变液内部结构,对其结构进行优化,建立其优化前后的理论模型;运用Matlab编程求解得到磁流变液制动器制动力矩与线圈电流及制动器速度与制动时间之间的关系,运用实验的方法对其进行验证。理论计算及实验结果表明,磁流变液内部结构存在较大的优化空间;通过优化制动器内部结构可以提高电动汽车磁流变液制动系统的制动效能;实验结果与理论计算结果基本相近,验证了理论计算准确性;研究为电动汽车制动系统精确控制提供了重要基础,为电动汽车制动效能提升、制动器精确控制等提供了理论依据及有益的借鉴。

Abstract

The magneto-rheological fluid brake of electric vehicle is regarded as the research object,the internal structure of the magneto-rheological fluid is analyzed and its structure is optimized,and the theoretical model before and after optimization are established,the relationship between the braking torque and coil current and brake speed and braking time are calculated by Matlab,the experimental method is used to verify the calculation results. The theoretical calculation and experimental results show that there is a large optimization space for the internal structure of magneto-rheological fluid brake,the braking performance of the magneto-rheological fluid braking system can be improved by optimizing the internal structure of the brake,at the same time,it provides an important foundation for the precise control of the electric vehicle brake system,the experimental results and the theoretical calculation results are basically similar to verify the accuracy of theoretical calculation. This research can provide the theoretical basis and important reference for the braking efficiency improvement of electric vehicle and precise brake control.

关键词

电动汽车磁流变液制动器优化制动特性

Keywords

Electric vehicleMagneto-rheological fluid brakeOptimizationBraking characteristic

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School of Mechanical Engineering， Xijing University， Xi′an

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