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基于主動(dòng)轉(zhuǎn)向技術(shù)的汽車制動(dòng)穩(wěn)定性控制
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    摘要:

    以汽車制動(dòng)穩(wěn)定性控制原理和相關(guān)汽車動(dòng)力學(xué)模型為基礎(chǔ),通過對(duì)汽車在兩側(cè)路面附著系數(shù)相差較大的對(duì)開路面的制動(dòng)狀況進(jìn)行理論分析,提出利用主動(dòng)轉(zhuǎn)向技術(shù)控制汽車緊急制動(dòng)時(shí)的穩(wěn)定性,并使汽車在制動(dòng)偏駛后能通過轉(zhuǎn)向控制快速恢復(fù)到正確的行駛車道。在理論分析的基礎(chǔ)上結(jié)合所提出的模糊控制策略和控制方式,設(shè)計(jì)模糊控制器進(jìn)行仿真實(shí)驗(yàn),并用實(shí)驗(yàn)結(jié)果進(jìn)行了驗(yàn)證,結(jié)果表明利用所提出的汽車制動(dòng)穩(wěn)定性模糊控制策略,能減少汽車制動(dòng)時(shí)的失穩(wěn)狀況,對(duì)于提高汽車的行駛安全性具有一定的作用。

    Abstract:

    According to the theory of vehicle braking stability control and the related dynamic vehicle model, the theoretical analysis of vehicle braking condition on bisectional roads with large difference between road adhesion coefficients of two sides of the road was made. From the analysis result, by means of active steering technique to control vehicle stability when braking in emergency and restoring vehicle to correct lane quickly after braking deflection driven by the way of steering control, the ideas were put forward. Based on the theoretical analysis and combined with fuzzy control strategy and method, fuzzy controller has been devised to carry out simulation experiment. The result showed that vehicle braking stability fuzzy control strategy suggested could reduce vehicle yaw angular velocity and lateral acceleration when braking, restore vehicle to correct lane quickly after braking deflection drive, and the research is of significance to improve vehicle driving safety.

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趙偉,魏朗,周志立,張韋華.基于主動(dòng)轉(zhuǎn)向技術(shù)的汽車制動(dòng)穩(wěn)定性控制[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(2):33-37.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(2):33-37.

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