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黑龍江工程學院本科生畢業(yè)設計
摘 要
隨著經濟技術和文化的發(fā)展，人們對汽車行駛舒適性的要求越來越高。汽車懸架系統(tǒng)對整車行駛穩(wěn)定性和平順性有舉足輕重的影響，但汽車懸架系統(tǒng)是一個比較復雜的多體系統(tǒng)，其構件之間的運動關系十分復雜，所以開發(fā)和設計合理的汽車懸架系統(tǒng)是十分重要。
ADAMS是世界上應用最為廣泛的機械系統(tǒng)動力學分析軟件。本文采用虛擬樣機分析軟件ADAMS，計算機輔助設計軟件UG（Unigraphics），在ADAMS/View中建立了目前在現(xiàn)代轎車上應用廣泛的麥弗遜式前懸架系統(tǒng)的多體動力學模型，加上路面的激勵后分析車輪跳動時懸架的各種參數(shù)的變化。然后根據(jù)汽車車輪在行駛時側滑量盡量小的要求，對懸架系統(tǒng)優(yōu)化求解。
該設計和分析可以指導麥弗遜式前懸架系統(tǒng)的設計，縮短開發(fā)周期，減少開發(fā)費用和成本，提高產品的使用性能，獲得最優(yōu)和創(chuàng)新的設計產品。
關鍵詞：麥弗遜懸架；仿真；虛擬樣機技術；ADAMS；UG
ABSTRACT
With the development of economic, The automobile suspension has become more and more important. It plays an important role in Vehicle Dynamics. The automobile suspension is a multi-body system and the motion relationship among the parts is very complicated, so it brings may difficulties to compute the various characteristics with traditional computation methods.So the simulation of suspension kinetics has been a very important task in the design and development of automotive suspension.
ADAMS is simulation software of mechanical system used most widely in the world. This paper used the Virtual Prototyping Technology software – ADAMS and the computer aided design software UG(Unigraphics), and with the help of ADAMS/View, it established multi-body dynamics model of MacPherson front suspension which is increasing widely used in modern car. Then it analyzed the change of suspension parameter when driving. Then it optimized analyzing according to the wheel slipping demand that is as small as possible.
Using The Computer Virtual Simulation Technology this paper analyzed the MacPherson suspension model. It can aid product design, reduce the R&D period and cost, improve design level and get the best and the most novel products.
Keywords : MacPherson Suspension; Simulation; Virtual Prototyping Technology; ADAMS; UG
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