| The suspension system is one of the most important devices of automobile.It links the vehicle body and wheel flexibly, in order to achieve the goal that make the vehicle running normally ,the suspension transfers the force and the moment between vehicle body and wheel,and mitigate the body vibrancy that is brought by impact force.It has been proved that the choice of suspension structure not only determine the pass ability,but also is subjected to the stability of steering.So the significance of designing excellent suspension system is very important.The off-road vehicle is an especial vehicle,it always runs on the bad road,the jumpiness of suspension is very high and the damping and nonlinearity is obvious, so we hope that the suspension of off-road vehicle not only can lower and make automobile possess good handing stability and ride comfort when it runs along straight line,speed up,brakes and turns,but also can improve the pass ability. Since 1928,the nuclear technology of off-road vehicle is predominated by the corporation of America and Europe. The development of suspension system of off-road vehicle is mature in foreign country.However,the study on the suspension of off-road vehicle in our country is concentrated on the hydro-pneumatic suspension,and mainly develop the hydro-pneumatic spring.This dissertation bases on the research of"'985'vehicle engineering science and technology innovation construct",which is the second project of JiLin university.The dissertation studies the suspension system and solves the problem of stabilization when the off-road is running.In this dissertation, the category of suspension system and the development...
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