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混聯(lián)式HEV發(fā)動機(jī)輸出轉(zhuǎn)矩實(shí)時測算方法
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機(jī)械傳動國家重點(diǎn)實(shí)驗(yàn)室開放基金資助項(xiàng)目(L2008011)和汽車動態(tài)模擬國家重點(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:

    針對混聯(lián)式混合動力電動汽車(HEV)發(fā)動機(jī)輸出轉(zhuǎn)矩估計存在誤差,,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為研究對象,,分析了動力耦合機(jī)構(gòu)的參數(shù),并應(yīng)用行星齒輪傳動動力學(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)動機(jī)輸出轉(zhuǎn)矩的估計算法。理論計算及實(shí)車測試結(jié)果表明,,模型計算值與實(shí)車測試值之間的最大相對誤差由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)動機(jī)輸出轉(zhuǎn)矩實(shí)時測算方法[J].農(nóng)業(yè)機(jī)械學(xué)報,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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