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基于輪速的路面狀態(tài)識(shí)別方法
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    摘要:

    在MF輪胎模型的基礎(chǔ)上,，針對(duì)影響路面附著系數(shù)的因素，詳盡分析了在6種典型路面上滑移率與附著系數(shù)之間的關(guān)系,，提出了利用輪速等汽車(chē)動(dòng)力學(xué)參數(shù)便捷識(shí)別路面狀態(tài)的方法,。該方法在典型路面特性的基礎(chǔ)上，將估計(jì)的路面附著系數(shù)與典型路面的特性進(jìn)行比較,，并給出路面的狀態(tài),。最后在直線制動(dòng)工況下模擬了該路面狀態(tài)識(shí)別方法在分離路面和組合路面上的可靠性和有效性。結(jié)果表明該方法能夠較好地識(shí)別路面的狀態(tài),。

    Abstract:

    The relationship of wheel slip ratio and road adhesion coefficient was analyzed with the application of the magic formula tire model. An approach for road identification based on wheel velocity and other vehicle dynamic parameters was developed. The road characteristics were determined by the comparison of the estimated road adhesion coefficient and the characteristics of the regular road surface conditions. In order to illustrate the accuracy and effectiveness of the approach, two simulations of straight line braking were conducted on split and tessellated road surfaces, respectively. The simulation results showed that the approach could identify road surface condition well.

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徐延海.基于輪速的路面狀態(tài)識(shí)別方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(3):19-22.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(3):19-22.

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