| Design optimization on the front wheel orientation parameters of a vehicle |
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| 引用本文： | 褚志刚. Design optimization on the front wheel orientation parameters of a vehicle[J]. 重庆大学学报(英文版), 2003, 2(2) |
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| 作者姓名： | 褚志刚 |
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| 作者单位： | CHU Zhigang，DENG Zhaoxiang，HU Yumei，ZHU Ming The State Key Lab of Mechanical Transmission，Chongqing University，Chongqing 400044，P.R. China Received 11 November 2002; revised 10 March 2003 |
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| 摘 要： | 1. Introduction In order to improve the driving operation performance, the front suspension of a vehicle is generally of McPherson independent style, which can simplify the structure, lighten the unsprung mass, and conveniently arrange the engine and steering system. Moreover, it can adapt to many types of springs and is of advantage to adjust the height of the vehicle. In such a system, the axis of the kingpin is the line between the upper damper end and the intersection of the transverse ar…
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Design optimization on the front wheel orientation parameters of a vehicle |
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| CHU Zhigang,DENG Zhaoxiang,HU Yumei,ZHU Ming The State Key Lab of Mechanical Transmission,Chongqing University,Chongqing,P.R. China Received November,revised March. Design optimization on the front wheel orientation parameters of a vehicle[J]. Journal of Chongqing University(English Edition), 2003, 2(2) |
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| Authors: | CHU Zhigang DENG Zhaoxiang HU Yumei ZHU Ming The State Key Lab of Mechanical Transmission Chongqing University Chongqing P.R. China Received November revised March |
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| Affiliation: | The State Key Lab of Mechanical Transmission, Chongqing University, Chongqing 400044, P.R.China |
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| Abstract: | A uniform optimization object function for front wheel orientation parameters of a vehicle is reported, which includes the tolerances of practical values and set values of front wheel orientation parameters under full load, and the changing value of each parameter with front wheel fluctuation to build a front suspension model for optimization analysis based on the multi-body dynamic (MD) theory. The original suspension is optimized with this model, and the variation law of each parameter with front wheel fluctuation is obtained. The results of a case study demonstrate that the front wheel orientation parameters of the optimized vehicle are reasonable under typical conditions and the variation of each parameter is in an ideal range with the wheel fluctuating within 40 mm. In addition, the driving performance is improved greatly in the road test and practical use. |
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| Keywords: | suspension optimization multi-body dynamics front wheel orientation parameter |
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