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用于車輛緊急制動仿真的動態(tài)輪胎模型
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    摘要:

    提出一種可用于車輛緊急制動仿真的動態(tài)輪胎模型——LuGre輪胎模型,。該動態(tài)模型不僅具有與經(jīng)典穩(wěn)態(tài)模型(如魔術(shù)公式)相似的穩(wěn)態(tài)特性,,可以方便地通過試驗數(shù)據(jù)進行參數(shù)擬合和在線整定,,而且能夠精確捕捉汽車緊急制動過程中的瞬態(tài)特性,,又由于采用微分方程形式來描述,更有利于開發(fā)高性能的電子制動控制系統(tǒng)來提高汽車的行駛安全性,。得到了LuGre輪胎模型的基本特性,,并分析了其在車輛緊急制動仿真中的穩(wěn)態(tài)特性和動態(tài)特性。

    Abstract:

    A dynamic tire modelLuGre tire model which could be used in the vehicle emergency braking simulation was introduced. This model has similar steady-state characteristics compared with “magic formula”. Its parameters could be easily decided by the experimental tire data and tuned on-line. LuGre tire model could not only capture transient characteristics in the emergency braking process, but also take advantage to the development of high-performance electronic braking control systems to improve the vehicle safety because of using the form of ordinary differential equation. The basic characters of the LuGre tire model were described and its steady-state and transient characteristics in the simulation of the emergency braking process have been analyzed.

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鄧堃,李開軍,何樂,夏群生.用于車輛緊急制動仿真的動態(tài)輪胎模型[J].農(nóng)業(yè)機械學報,2007,38(12):11-15.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(12):11-15.

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