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履帶式車輛斜坡轉(zhuǎn)向穩(wěn)定性研究
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    摘要:

    根據(jù)履帶式車輛的運(yùn)動特點(diǎn)，運(yùn)用數(shù)力學(xué)中矢量分析理論和方法，推導(dǎo)了接地比壓為線性分布時履帶式車輛在斜坡上轉(zhuǎn)向時，瞬時轉(zhuǎn)向中心偏移量與車輛重心位置、轉(zhuǎn)向半徑、行進(jìn)速度、加速度、車輛方位相互關(guān)系的計算公式。在此基礎(chǔ)上，分析了瞬時轉(zhuǎn)向中心偏移量的變化規(guī)律及影響因素，指出了導(dǎo)致轉(zhuǎn)向不穩(wěn)定的因素。

    Abstract:

    According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground's vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle's gravity, steering radius, moving velocity, moving acceleration, and vehicle's orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics. Based on the formulas, the cause and rules of the deviation of the instantaneous steering center were analyzed，and the factors of causing instability of steering were indicated.

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史青錄,孫逢春.履帶式車輛斜坡轉(zhuǎn)向穩(wěn)定性研究[J].農(nóng)業(yè)機(jī)械學(xué)報,2007,38(7):22-26.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(7):22-26.

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