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數(shù)字配流式液壓馬達(dá)配流特性研究
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國(guó)家自然科學(xué)基金資助項(xiàng)目（50775137）


Distribution Characteristics of Hydraulic Motor with Digital Distribution
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    摘要:

    研究一種采用高速電磁開(kāi)關(guān)閥組實(shí)現(xiàn)數(shù)字式配流的液壓馬達(dá)。首先分析該數(shù)字配流式液壓馬達(dá)的運(yùn)行機(jī)理與結(jié)構(gòu)特點(diǎn),；接著在柱塞運(yùn)動(dòng)學(xué)分析的基礎(chǔ)上,，根據(jù)配流過(guò)程分區(qū)間建立了其逆時(shí)針和順時(shí)針旋轉(zhuǎn)的數(shù)學(xué)模型,，分析了兩個(gè)方向旋轉(zhuǎn)模型之間的差異,。針對(duì)所提出的模型進(jìn)行了仿真，并在此基礎(chǔ)上研究了數(shù)字配流式液壓馬達(dá)轉(zhuǎn)向切換過(guò)程的特性,。初步討論了高速開(kāi)關(guān)閥的開(kāi)關(guān)頻率對(duì)液壓馬達(dá)性能的影響,，并將該馬達(dá)與傳統(tǒng)液壓馬達(dá)進(jìn)行了對(duì)比。通過(guò)樣機(jī)試驗(yàn),，證明了仿真結(jié)果的正確性和有效性,。

    Abstract:

    A hydraulic motor with digital distribution mechanism based on high speed solenoid valves (HSV) was introduced. Firstly, the operating principle and the structure characteristics of the proposed hydraulic motor were described. Then, the mathematical model of the proposed hydraulic motor was established according to the distribution process for counterclockwise and clockwise rotation by analyzing the piston dynamics of each plunger. The differences of the two distribution process were analyzed. The related simulation was conducted and the direction changing process of the proposed hydraulic motor was studied. The experiments were carried out to validate the effectiveness of the simulation results. Finally, the influence of the frequency of HSV was discussed and the performance was compared between the proposed motor and the traditional one. 

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泮健,施光林.數(shù)字配流式液壓馬達(dá)配流特性研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(10):203-208. Pan Jian, Shi Guanglin. Distribution Characteristics of Hydraulic Motor with Digital Distribution[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(10):203-208.

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