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基于分布式結(jié)構(gòu)的車(chē)輛穩(wěn)定性控制系
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Stability Control System Based on Distributed Control Structure
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    摘要:

    提出了一種車(chē)輛穩(wěn)定性控制系統(tǒng)，基于分布式結(jié)構(gòu)的分析方法，通過(guò)合理分布復(fù)雜的控制算法將控制系統(tǒng)分為控制分析、控制分配和控制執(zhí)行3個(gè)層次。在控制分析層采用了滑模變結(jié)構(gòu)控制方法，計(jì)算出車(chē)輛期望作用力和橫擺力矩。使用非線性?xún)?yōu)化方法將期望值分配到4個(gè)車(chē)輪上，實(shí)現(xiàn)并優(yōu)化了控制分配效果。在CarMaker車(chē)輛動(dòng)力學(xué)分析環(huán)境中進(jìn)行了仿真分析，結(jié)果表明設(shè)計(jì)的控制算法提高了車(chē)輛在極限工況下的穩(wěn)定性，降低了駕駛員駕駛強(qiáng)度。

    Abstract:

    An analytical method for vehicle stability control system is proposed based on distributed control structure. By distributing complex control algorithm, the control system is divided into three layers, which are control analysis, control allocation and control actuation. The desired forces and yaw moment are calculated based on sliding mode control method in control analysis. Then these are allocated to proper four wheels by using nonlinear optimal theory, in which the control allocation is realized and optimized. Simulations are implemented in the virtual vehicle dynamics environment CarMaker, and the results indicate that the designed control system enhances the vehicle stability in extreme condition and reduces the driver’s burden. 

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王軍,李飛強(qiáng),劉昭度,董益亮,張曉龍.基于分布式結(jié)構(gòu)的車(chē)輛穩(wěn)定性控制系[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(6):33-36. Stability Control System Based on Distributed Control Structure[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(6):33-36.

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