Multi-body dynamics-based automotive suspension and simulation test and design platform of vibration reduction system

Abstract

The invention mainly relates to a multi-body dynamics-based automotive suspension, a simulation test and design platform of vibration reduction system, and an analysis method of the multi-body dynamics-based automotive suspension. The analysis method comprises the following steps of: firstly, selecting a three-dimensional parametric model of the automotive suspension or an entire car from a three-dimensional parametric standard model base through an ADMAS/View software interface; secondly, selecting road files of appropriate tire files from a tire file library and a road file library; thirdly, modifying design parameters; fourthly, selecting a simulation test condition, performing a simulation analysis and outputting a simulation analysis result; and finally, determining an optimum design object by using the analysis result, and performing optimum design on design variables. The invention has the following advantages: firstly, a computer technique, a multi-body dynamics theory and an automotive test standard are comprehensively utilized to realize simulation analysis of automobile performance under a virtual environment; secondly, a parameterized modeling technique is utilized to realize model reuse of the simulation analysis of an automobile; and finally, an optimum design theory is utilized to realize the optimum design of the design parameters of the automobile. The multi-body dynamics-based automotive suspension, the simulation test and design platform of the vibration reduction system, and the analysis method are favorable for improving the automobile design efficiency and quality, and quickly respond to quickly changing international and domestic markets.

Description

technical field [0001] The invention relates to the technical field of simulation analysis in computer technology, and mainly relates to a computer-aided car simulation analysis method using virtual prototype technology. The traditional car test is carried out after the trial production of the physical prototype. Using computer technology and car physical test methods to form a computer-aided authenticity identification method for traditional Chinese paintings will help designers improve design quality and design efficiency. Background technique [0002] In the traditional car design and manufacturing process, in order to verify the design, it is necessary to manufacture a prototype car for testing. When defects are found through the test, the design is modified and the prototype is used for verification. Therefore, the design cycle is long, the response to the market is slow, and the manufacturing cost is high. With the development of computer technology, computer simulati...

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Problems solved by technology

[0005] The present invention solves the drawbacks of the general simulation analysis software technology that cannot well support fast modeling and fast ...

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