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輪胎側(cè)向力影響因素試驗(yàn)
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Affecting Factors Experiment in Tire Lateral Force
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    輪胎側(cè)向力與輪胎側(cè)偏角、垂直載荷、車輪外傾角、縱向滑移率、輪速及胎壓等因素直接相關(guān),是車輛橫向動(dòng)力學(xué)重要的組成部分。通過(guò)對(duì)輪胎試驗(yàn)數(shù)據(jù)整理分析,闡述了車輪側(cè)向力與各種影響因素間的關(guān)系。隨著輪胎側(cè)偏角的增大,車輪側(cè)向力呈現(xiàn)很強(qiáng)的非線性。隨著垂直載荷的增大,車輪側(cè)向力不會(huì)呈比例增大。由于側(cè)向力與側(cè)偏角及垂直載荷間的非線性關(guān)系對(duì)車輛行駛性能及懸架調(diào)校非常重要,應(yīng)用計(jì)算實(shí)例描述了載荷變化的影響。車輪外傾角與側(cè)向力間的關(guān)系對(duì)懸架外傾角補(bǔ)償特性非常重要,對(duì)此進(jìn)行了計(jì)算說(shuō)明。

    Abstract:

    The tire lateral force was influenced by tire side slip angle, vertical force, camber angle, longitudinal slip ratio, wheel speed, tire pressure and so on, and was one important part of vehicle lateral dynamics. Based on the research of tire test data, the relation between tire lateral force and all affecting factors was described in detail. The characteristic diagram of the lateral force versus the tire slip angle showed a degressive shape. An increase of wheel load did not lead to a proportional increase of the transferable lateral force. The degressive dependence of the lateral force upon the slip angle as well as upon the wheel load was very important for the driving behavior and the tuning of suspension, as would be clarified by a numerical example. The relation between tire lateral force and camber angle was very important for suspension camber recovery property, and a numerical example was used to clarify.

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郭孔輝,李寧,莊曄.輪胎側(cè)向力影響因素試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(12):1-5. Guo Konghui, Li Ning, Zhuang Ye. Affecting Factors Experiment in Tire Lateral Force[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(12):1-5.

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  • 在線發(fā)布日期: 2011-12-19
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