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基于轉(zhuǎn)向試驗(yàn)的車輛主銷定位參數(shù)完整解算
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國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）資助項(xiàng)目(2006AA110103)


Calculation of Vehicle Kingpin Positional Parameters Based on Steering Test
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    摘要:

    受前輪轉(zhuǎn)向軸幾何結(jié)構(gòu)的影響，車輪輪心及輪胎印跡中心的位置隨車輪左右轉(zhuǎn)動(dòng)而變化。如果在懸架結(jié)構(gòu)未知的情況下能夠根據(jù)車輪運(yùn)動(dòng)計(jì)算出主銷定位參數(shù)，將有利于懸架設(shè)計(jì)。提出了應(yīng)用汽車懸架KnC特性試驗(yàn)臺(tái)轉(zhuǎn)向試驗(yàn)數(shù)據(jù)解算主銷定位參數(shù)的方法，定位參數(shù)包括：主銷內(nèi)傾角、主銷后傾角、主銷后傾距、主銷偏移距、輪心主銷縱向偏移距及輪心主銷側(cè)向偏移距。應(yīng)用Adams仿真結(jié)果及試驗(yàn)數(shù)據(jù)對(duì)提出的解算方法進(jìn)行了驗(yàn)證，誤差在允許范圍內(nèi)，解算方法滿足使用要求。

    Abstract:

    Both tire contact point and wheel center is changed with rightward and leftward of vehicle steering by the effect of geometry of steering axis. It’s benefit to calculate steering axis geometry by wheel movement for suspension design. A vehicle suspension Kinematics and Compliance (KnC) facility was used to get steering test data, such as kingpin inclination angle, caster angle, caster trail, scrub radius, spindle trail and kingpin offset at wheel center. The method was validated by the simulating result of Adams and test data, and errors were within the allowable range. The solution method met the requirement.

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郭孔輝,李寧,景立新.基于轉(zhuǎn)向試驗(yàn)的車輛主銷定位參數(shù)完整解算[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(10):1-5. Guo Konghui, Li Ning, Jing Lixin. Calculation of Vehicle Kingpin Positional Parameters Based on Steering Test[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):1-5.

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