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ESP液壓執(zhí)行單元柱塞泵動(dòng)態(tài)特性仿真與試驗(yàn)
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國(guó)家自然科學(xué)基金資助項(xiàng)目（50905092）


Dynamics Characteristic Simulation and Test of Pump of Hydraulic Control Unit of ESP
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    摘要:

    通過(guò)對(duì)汽車(chē)電子穩(wěn)定程序ESP的液壓執(zhí)行單元內(nèi)部柱塞泵結(jié)構(gòu)的研究，提出一種在無(wú)背壓條件下，實(shí)現(xiàn)柱塞泵主動(dòng)增壓的設(shè)計(jì)方法。借助AMESim軟件對(duì)ESP液壓執(zhí)行單元的柱塞泵結(jié)構(gòu)參數(shù)進(jìn)行仿真，分析了泵流量、電動(dòng)機(jī)轉(zhuǎn)速對(duì)增壓速度的影響，利于ESP進(jìn)行硬件匹配時(shí)，確定相應(yīng)的泵流量和電動(dòng)機(jī)選型。臺(tái)架試驗(yàn)證明，能實(shí)現(xiàn)ESP液壓執(zhí)行單元柱塞泵的主動(dòng)增壓功能。

    Abstract:

    Through the research of pump in hydraulic control unit (HCU) of electronic stability program (ESP), a design method that actively build up brake pressure without pre-pressure was established. After that, a simulation model in AMESim to analyze the structure parameters of the HCU of ESP was proposed, especially the influence to increasing pressure rate with different pump flows and motor speed parameters. Based on the above, the pump flow and motor type can be defined when the hardware was matched by ESP. Finally, a bench test was carried out to prove the function of the pump that could build up pressure without a prepressing unit. 

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王偉瑋,宋健,李亮,于良耀,李紅志. ESP液壓執(zhí)行單元柱塞泵動(dòng)態(tài)特性仿真與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2012,43(4):1-5,14. Wang Weiwei, Song Jian, Li Liang, Yu Liangyao, Li Hongzhi. Dynamics Characteristic Simulation and Test of Pump of Hydraulic Control Unit of ESP[J]. Transactions of the Chinese Society for Agricultural Machinery,2012,43(4):1-5,14.

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  • 在線(xiàn)發(fā)布日期: 2012-04-18
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