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基于模式搜索的輪胎縱向剛度估計(jì)方法
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    摘要:

    提出了一種含有兩個(gè)參數(shù)的輪胎縱向力模型，并通過該模型利用基于模式搜索的最小二乘法對(duì)輪胎的縱向剛度和滾動(dòng)半徑進(jìn)行了動(dòng)態(tài)估計(jì)。仿真證明了該算法的可行性。將該算法應(yīng)用于車輛的實(shí)際試驗(yàn)數(shù)據(jù)，結(jié)果證明輪胎的壓力與輪胎縱向剛度近似成反比。

    Abstract:

    A longitudinal force model of tire with two parameters was developed for estimating the longitudinal stiffness and rolling radius of the tire. The method of estimating two parameters was established by using a mixed technique of pattern search and least-square regression. The simulation program was made on Matlab platform with algorithm, and the validity of this algorithm was demonstrated by the perfect coincidence of the simulation and true results. Finally, the algorithm was applied to the vehicle real test data. It showed that measured tire pressure and estimated longitudinal stiffness are approximately inversely proportional. It also suggested that longitudinal stiffness estimate might be used to predict tire inflation pressure. 

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韓加蓬,王艷陽(yáng),周孔亢.基于模式搜索的輪胎縱向剛度估計(jì)方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(12):28-31.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(12):28-31.

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