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混聯(lián)式HEV發(fā)動(dòng)機(jī)輸出轉(zhuǎn)矩實(shí)時(shí)測(cè)算方法
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機(jī)械傳動(dòng)國(guó)家重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目（L2008011）和汽車動(dòng)態(tài)模擬國(guó)家重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目（20071107）


Engine Output Torque Real-time Calculation for Parallel-serial HEV
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    摘要:

    針對(duì)混聯(lián)式混合動(dòng)力電動(dòng)汽車（HEV）發(fā)動(dòng)機(jī)輸出轉(zhuǎn)矩估計(jì)存在誤差，進(jìn)而導(dǎo)致HEV能量控制策略無法得以準(zhǔn)確實(shí)現(xiàn)的問題，以行星齒輪混聯(lián)式HEV為研究對(duì)象，分析了動(dòng)力耦合機(jī)構(gòu)的參數(shù)，并應(yīng)用行星齒輪傳動(dòng)動(dòng)力學(xué)模型及效率模型，推導(dǎo)得出了行星齒輪混聯(lián)式HEV發(fā)動(dòng)機(jī)輸出轉(zhuǎn)矩的估計(jì)算法。理論計(jì)算及實(shí)車測(cè)試結(jié)果表明，模型計(jì)算值與實(shí)車測(cè)試值之間的最大相對(duì)誤差由5%~8%減小為3.94%。

    Abstract:

    Aiming at the problem of error between the actual value and estimated value of engine’s dynamic torque, as well as HEV’s energy control strategy cannot be executed accurately. Taken parallel-serial HEV as an example, the parameters of power coupling mechanism were analyzed. Planet gear power coupling mechanism’s dynamics characteristic and efficiency characteristic were applied to deduce the algorithm of engine output torque calculation method for parallelserial HEV. The experiment results showed that the maximum relative error of engine dynamic torque between theory calculating and experiment testing was decreased from 5%~8% to 3.94%. 

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郭海龍,李禮夫.混聯(lián)式HEV發(fā)動(dòng)機(jī)輸出轉(zhuǎn)矩實(shí)時(shí)測(cè)算方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(10):30-34. Guo Hailong, Li Lifu. Engine Output Torque Real-time Calculation for Parallel-serial HEV[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):30-34.

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