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數(shù)字配流式液壓馬達配流特性研究
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國家自然科學基金資助項目（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關(guān)閥組實現(xiàn)數(shù)字式配流的液壓馬達。首先分析該數(shù)字配流式液壓馬達的運行機理與結(jié)構(gòu)特點,；接著在柱塞運動學分析的基礎(chǔ)上，根據(jù)配流過程分區(qū)間建立了其逆時針和順時針旋轉(zhuǎn)的數(shù)學模型,，分析了兩個方向旋轉(zhuǎn)模型之間的差異。針對所提出的模型進行了仿真,，并在此基礎(chǔ)上研究了數(shù)字配流式液壓馬達轉(zhuǎn)向切換過程的特性,。初步討論了高速開關(guān)閥的開關(guān)頻率對液壓馬達性能的影響,，并將該馬達與傳統(tǒng)液壓馬達進行了對比。通過樣機試驗,，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)字配流式液壓馬達配流特性研究[J].農(nóng)業(yè)機械學報,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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