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共軌噴油電磁閥動(dòng)態(tài)特性仿真與實(shí)驗(yàn)
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國(guó)家自然科學(xué)基金資助項(xiàng)目（51076014）


Simulation and Experiment of Dynamic Characteristics of Common-rail Injector Solenoid Valve
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    摘要:

    電磁閥動(dòng)態(tài)響應(yīng)特性直接影響高壓共軌噴油器的開(kāi)啟和關(guān)閉過(guò)程。首先對(duì)電磁閥驅(qū)動(dòng)電流加載和卸載過(guò)程進(jìn)行了實(shí)驗(yàn)研究，基于實(shí)驗(yàn)結(jié)果和驅(qū)動(dòng)原理求取了不同氣隙下電磁閥磁鏈與電流的關(guān)系，并根據(jù)磁鏈與電磁力的關(guān)系建立了電磁閥的電磁模型。然后根據(jù)電磁閥的工作原理建立了描述銜鐵運(yùn)動(dòng)特性的電磁閥動(dòng)力學(xué)模型。最后，在Matlab/Simulink仿真環(huán)境中建立了以驅(qū)動(dòng)電流為輸入的共軌噴油器電磁閥機(jī)電耦合模型，對(duì)模型進(jìn)行了驗(yàn)證，仿真計(jì)算結(jié)果與實(shí)驗(yàn)結(jié)果顯示了很好的一致性。

    Abstract:

    Opening and closing process of high pressure common rail injector are affected directly by dynamic response characteristics of solenoid valve. In order to research the dynamic response characteristics of solenoid valve, experimental investigation was first conducted on the drive current and the power source voltage. Relationships between flux linkage and drive current of solenoid valve under different air gaps were acquired from the experimental results according to the principle of drive circuit. Electromagnetic model of the solenoid valve was built based on the relationships acquired. Then dynamic model of armature was built according to the working principle of solenoid valve. Finally, electromechanical model of the solenoid valve consisting of electromagnetic model and dynamic model was built and simulated in Matlab/Simulink. Special experiment was designed to verify the electromechanical model. Simulation and experiment results showed a good agreement with each other.

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李丕茂,張幽彤,倪成群,歐陽(yáng)巍.共軌噴油電磁閥動(dòng)態(tài)特性仿真與實(shí)驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2013,44(5):7-12. Li Pimao, Zhang Youtong, Ni Chengqun, Ou Yangwei. Simulation and Experiment of Dynamic Characteristics of Common-rail Injector Solenoid Valve[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(5):7-12.

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  • 在線發(fā)布日期: 2013-04-28
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