Construction of Friction Model of the Third Body Layer and Its Effects on the Dynamic Characteristics in Brake System

IF 2.1 4区工程技术 Q3 ENGINEERING, MECHANICAL Journal of Computational and Nonlinear Dynamics Pub Date : 2022-11-17 DOI:10.1115/1.4056181

Yuhang Zhang, Daogao Wei, Bofu Wu, Ping Jiang

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Abstract

The noise of disk brake pair has always been a difficult problem for enterprises and researchers. Many factors induce the noise of disk brake pair, among which the influence of the third body particle flow generated by the external gravel or its own abrasive debris has not been paid much attention. Three-body contact has different friction properties and requires a new friction model to describe it. This paper presents a friction model of disk brake pair on the basis of the predecessors. The new model further considers the influence of the third body on the nonlinear behavior of the brake system on the basis of the previous model of the brake pair. Through numerical simulation, it is concluded that the geometry size of the third body has great influence on the stability interval of the braking system. Finally, the influence of the third body particles on the motion stability of the braking system under different particle size ranges is studied. It is found that larger particle size can improve the motion stability of the system.

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第三体层摩擦模型的建立及其对制动系统动态特性的影响

盘式制动器副的噪声问题一直是困扰企业和研究人员的难题。引起盘式制动副噪声的因素很多，其中外部砾石或自身磨粒屑产生的第三体颗粒流的影响一直未引起重视。三体接触具有不同的摩擦特性，需要一种新的摩擦模型来描述。本文在前人研究的基础上，建立了盘式制动器副的摩擦模型。新模型在原有制动副模型的基础上，进一步考虑了第三体对制动系统非线性行为的影响。通过数值模拟，得出了第三体几何尺寸对制动系统稳定区间影响较大的结论。最后，研究了不同粒径范围下第三体颗粒对制动系统运动稳定性的影响。研究发现，粒径越大，系统的运动稳定性越好。

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来源期刊

Journal of Computational and Nonlinear Dynamics 工程技术-工程：机械

CiteScore

4.00

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The purpose of the Journal of Computational and Nonlinear Dynamics is to provide a medium for rapid dissemination of original research results in theoretical as well as applied computational and nonlinear dynamics. The journal serves as a forum for the exchange of new ideas and applications in computational, rigid and flexible multi-body system dynamics and all aspects (analytical, numerical, and experimental) of dynamics associated with nonlinear systems. The broad scope of the journal encompasses all computational and nonlinear problems occurring in aeronautical, biological, electrical, mechanical, physical, and structural systems.