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汽車電子機(jī)械制動(dòng)系統(tǒng)設(shè)計(jì)與仿真
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    摘要:

    給出了汽車電子機(jī)械制動(dòng)系統(tǒng)（EMB）執(zhí)行系統(tǒng)的設(shè)計(jì)方法并在Matlab/Simulink下建立了其仿真模型。EMB控制系統(tǒng)采用由壓力環(huán),、轉(zhuǎn)速環(huán)及電流環(huán)串連而成的三閉環(huán)結(jié)構(gòu),，給出了其設(shè)計(jì)方法,。對目標(biāo)壓力階躍輸入,、半余弦輸入以及脈沖輸入3種典型工況進(jìn)行了仿真,，結(jié)果表明EMB系統(tǒng)除了在消除制動(dòng)間隙時(shí),，制動(dòng)壓力具有較大的超調(diào)外,，均能很好地跟隨目標(biāo)制動(dòng)壓力的變化，驗(yàn)證了所設(shè)計(jì)EMB系統(tǒng)的合理性,；EMB系統(tǒng)與液壓制動(dòng)系統(tǒng)的對比表明,，EMB系統(tǒng)對制動(dòng)壓力的調(diào)節(jié)更迅速，精度更高,。

    Abstract:

    The actuator and controller of electromechanical brake (EMB) were designed. The simulation model of EMB was built in Matlab/Simulink. The controller of motor adopted three loops control architecture with cascaded force, speed and current control loops,，and the design method of controller was given. Computer simulation on three-typical-condition of step input, half cosine input and pulse input has been carried out. The results showed that the brake pressure of EMB could follow the target accurately and the performance of EMB is good. The comparison of hydraulic brake and EMB showed that EMB could regulate brake force more quickly and accurately.

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楊坤,李靜,郭立書,李幼德.汽車電子機(jī)械制動(dòng)系統(tǒng)設(shè)計(jì)與仿真[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(8):24-27.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(8):24-27.

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