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液壓制動(dòng)系統(tǒng)蓄能器充液特性研究
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國(guó)家自然科學(xué)基金資助項(xiàng)目(51175448)、河北省自然科學(xué)基金資助項(xiàng)目(E2012203071)和河北省重點(diǎn)基礎(chǔ)研究資助項(xiàng)目（12962147D）


Research on Accumulator Charging Characteristics of Hydraulic Brake System
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    摘要:

    蓄能器充液特性對(duì)全液壓制動(dòng)系統(tǒng)安全可靠性有重要作用，對(duì)某全液壓制動(dòng)系統(tǒng)的充液特性及其關(guān)鍵結(jié)構(gòu)元件——優(yōu)先卸荷閥特性進(jìn)行研究。在制動(dòng)系統(tǒng)蓄能器充液過(guò)程中，對(duì)優(yōu)先卸荷閥及其所組成系統(tǒng)機(jī)理進(jìn)行分析，建立優(yōu)先卸荷閥數(shù)學(xué)模型，搭建充液系統(tǒng)仿真和試驗(yàn)平臺(tái)，對(duì)蓄能器充液系統(tǒng)動(dòng)態(tài)特性進(jìn)行研究，給出充液壓力、流量和時(shí)間等參數(shù)的變化規(guī)律，揭示優(yōu)先卸荷閥對(duì)蓄能器充液響應(yīng)特性的影響規(guī)律。研究結(jié)果表明，所設(shè)計(jì)的優(yōu)先卸荷閥回路滿足蓄能器充液特性要求。

    Abstract:

    Charging characteristics of accumulator play an important role in the safety and reliability of hydraulic braking system. The charging characteristics of an electro hydraulic braking system and its key structural element, priority unloading valve, were studied. In the charging process of accumulator of the braking system, the mechanisms of the priority unloading valve and its system components were analyzed to establish the mathematical model for it and to build the simulation and test platform for the charging system. The dynamic characteristics of the accumulator charging system were studied; the changing laws of the parameters such as pressure, flow and time, were gained; and the response law of the priority valve to accumulator charging characteristics was revealed. The research results show that the designed priority unloading valve can meet the requirements of accumulator charging characteristics.

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郭 銳,唱榮蕾,趙靜一,布 丹,李小剛.液壓制動(dòng)系統(tǒng)蓄能器充液特性研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(7):7-12. Guo Rui, Chang Ronglei, Zhao Jingyi, Bu Dan, Li Xiaogang. Research on Accumulator Charging Characteristics of Hydraulic Brake System[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(7):7-12.

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  • 收稿日期:2014-01-07
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  • 在線發(fā)布日期: 2014-07-10
  • 出版日期: 2014-07-10