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強(qiáng)混合動力變速器液壓系統(tǒng)設(shè)計與動態(tài)特性仿真
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國家高技術(shù)研究發(fā)展計劃(863計劃)資助項目(2008AA11A125)


Hydraulic System Design and Dynamic Characteristic Simulation of Full Hybrid Transmission
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    摘要:

    設(shè)計了混合動力汽車強(qiáng)混合動力變速器e-CVT的液壓系統(tǒng)。根據(jù)混合動力系統(tǒng)工作模式及結(jié)構(gòu)特點確定液壓系統(tǒng)方案。液壓油泵采用機(jī)械驅(qū)動和電機(jī)驅(qū)動兩種模式,滿足混合動力系統(tǒng)各種工作模式的流量需求。通過理論計算確定了液壓閥的主要參數(shù)。采用ITISimulationX 軟件建立液壓系統(tǒng)動態(tài)仿真模型,分析了系統(tǒng)流量和壓力變化特性。分析結(jié)果表明,該液壓系統(tǒng)能夠滿足設(shè)計流量和工作壓力的要求。

    Abstract:

    The hydraulic system of electronic-continuously variable transmission (e-CVT) of full hybrid electric vehicle was designed. Hydraulic scheme was confirmed based on the structure and driving modes of the hybrid system. Oil pump was driven by output shaft or electric motor in order to match the flow requirement of different driving situation. The structure dimension of hydraulic valves was designed by theoretical calculation. The dynamic model of hydraulic system was established by ITI-SimulationX to investigate the characteristics of oil flow and pressure. Simulation results indicated the hydraulic system could satisfy the design flow and pressure requirement.

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韓 兵,蔡憶昔,張 彤,于海生.強(qiáng)混合動力變速器液壓系統(tǒng)設(shè)計與動態(tài)特性仿真[J].農(nóng)業(yè)機(jī)械學(xué)報,2011,42(2):43-47. Han Bing, Cai Yixi, Zhang Tong, Yu Haisheng. Hydraulic System Design and Dynamic Characteristic Simulation of Full Hybrid Transmission[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(2):43-47.

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