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黑龍江工程學(xué)院本科生畢業(yè)設(shè)計(jì)
摘 要
近幾年來(lái)，我國(guó)越野車(chē)行業(yè)飛速發(fā)展，市場(chǎng)規(guī)模急劇擴(kuò)大。之所以受歡迎是因?yàn)樵揭败?chē)有著良好的操縱安全性，行駛通過(guò)性，和乘坐舒適性。傳統(tǒng)的被動(dòng)懸架由于其參數(shù)固定從根本上造成了兩者的矛盾，主動(dòng)懸架作為最先進(jìn)的懸架系統(tǒng)，能根據(jù)實(shí)時(shí)工況，主動(dòng)及時(shí)地調(diào)整和產(chǎn)生所需懸架控制力，使懸架處于最優(yōu)的減振狀態(tài)，從而達(dá)到兩者的完美結(jié)合。
文中介紹了越野車(chē)液壓主動(dòng)懸架的發(fā)展?fàn)顩r，并設(shè)計(jì)了一套越野車(chē)液壓式主動(dòng)懸架系統(tǒng)。使所設(shè)計(jì)的懸架系統(tǒng)能根據(jù)車(chē)況進(jìn)行懸架剛度和阻尼力調(diào)節(jié)、車(chē)身高度的調(diào)節(jié)等一系列動(dòng)作進(jìn)行自動(dòng)調(diào)節(jié)，使得越野車(chē)懸架系統(tǒng)有著良好的乘坐舒適性和操縱安全性。
關(guān)鍵詞：主動(dòng)懸架；液壓系統(tǒng)；伺服閥；液壓控制；越野車(chē)懸架
I
ABSTRACT
In recent years, our country's sport utility vehicle industry is developing rapidly, and the scale of the market is increasing dramatically. Suvs is popular because of the good maneuvering, driving through, and comfort. The traditional passive suspension due to its parameters fixed fundamentally caused both contradiction, active suspension as the most advanced suspension system, according to the real-time operating mode, active timely adjustment and to produce a desired suspension control, make suspension in the optimal vibration reduction status, so as to achieve the perfect combination of the two.
This essay introduces the hydraulic sport utility vehicle active suspension of development, and designed a set of hydraulic sport utility vehicle active suspension system. Make the design of suspension system can according to the condition for suspension stiffness and damping force adjustment, body height adjustment and a series of action to make automatic adjustment, make sport utility vehicle suspension system has good comfort and operation safety.
Key Words:Active suspension; Hydraulic system; Servo valve; Hydraulic control;Off-road vehicle suspension