Investigation of Selection Mechanism of Friction Models in Multibody Systems

Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering Pub Date : 1900-01-01 DOI:10.5220/0008873602510260

Qian Jing, N. Mi

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引用次数: 1

Abstract

In order to research the influence of the different friction models on the frictional characteristics and the dynamic response of the multibody system with different kinds of joints, eleven different kinds of friction models were used in three different specified scenarios. Firstly, each friction model is simply introduced, and its friction characteristics are illustrated. In addition, in order to test the physical properties of these friction models, there are two different scenarios: (i) multibody system with revolute joint; (ii) multibody system with revolute joint and prismatic joint simultaneously. Secondly, when these friction models are applied in the scenarios, the comparison analysis between with friction phenomenon model and without friction phenomenon model is implemented, which is validated by the commercial software ADAMS. Finally, the simulation shows that the type of joint in the multibody system has a significant effect on the selection mechanism of these friction models. Namely, this investigation provides a reference method for choosing the friction model that is the best suitable for the above two different scenarios according to the computational efficiency and position stability.

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多体系统摩擦模型选择机理研究

为了研究不同摩擦模型对含不同类型关节的多体系统的摩擦特性和动力响应的影响，在3种不同的指定场景下使用了11种不同的摩擦模型。首先，对各种摩擦模型进行了简单的介绍，并对其摩擦特性进行了说明。此外，为了测试这些摩擦模型的物理特性，有两种不同的场景:(i)具有旋转关节的多体系统;(2)同时具有转动关节和移动关节的多体系统。其次，将这些摩擦模型应用于场景中，对有摩擦现象模型和无摩擦现象模型进行对比分析，并通过商业软件ADAMS进行验证。仿真结果表明，多体系统中关节类型对摩擦模型的选择机制有显著影响。即，本研究为根据计算效率和位置稳定性选择最适合上述两种不同场景的摩擦模型提供了一种参考方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of 5th International Conference on Vehicle, Mechanical and Electrical Engineering

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