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MATLAB-based analysis and optimization of vehicle ride

Author: WangZhenTao
Tutor: LiWeiDong
School: Dalian University of Technology
Course: Vehicle Engineering
Keywords: Ride Two degrees of freedom Seven degrees of freedom MATLAB Optimization
CLC: U461.4
Type: Master's thesis
Year: 2011
Downloads: 154
Quote: 0
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Abstract


For ford for Granada models, the seven degrees of freedom vehicle model was established based on MATLAB, and the simulation analysis and optimization. First of all, in summary IS02631 and comfort in our country are determined on the basis of national standards for comfort analysis of comprehensive evaluation index, i.e. not comfort parameters, suspension stroke and tyre dynamic load. These three indicators will be throughout the whole process of analysis and evaluation. Then the classic seven degrees of freedom model is established for Granada, ford custom pavement is studied by using seven degrees of freedom model of time domain analysis. And then using a two degrees of freedom and seven degrees of freedom model, according to the model given in this paper, the various road spectrum of vehicle are analyzed in frequency domain and time domain analysis, compare the result of the two degrees of freedom and seven degrees of freedom, different model qualitative evaluation is given. Last seven degrees of freedom model for the multi-objective optimization, using the road spectrum random road model and the random number generator to generate the time domain, time domain simulation is carried out and verified.

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CLC: > Transportation > Road transport > Automotive Engineering > Car theory > Car ride and comfort
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