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油氣懸架可控剛度阻尼設(shè)計(jì)與試驗(yàn)
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    摘要:

    設(shè)計(jì)了一種可控剛度阻尼的油氣懸架,，在對(duì)其結(jié)構(gòu)和工作原理進(jìn)行分析的基礎(chǔ)上，建立了油氣懸架非線性數(shù)學(xué)模型,，通過(guò)理論分析,、仿真與臺(tái)架試驗(yàn)，表明所建立的數(shù)學(xué)模型正確可靠,，蓄能器的工作總?cè)莘e對(duì)剛度特性有明顯影響,、節(jié)流孔面積對(duì)阻尼特性影響顯著。通過(guò)改變蓄能器連通數(shù)目的方法改變了蓄能器的工作總?cè)莘e,，從而系統(tǒng)的剛度特性也得到了控制,；通過(guò)改變節(jié)流孔的大小來(lái)改變系統(tǒng)的阻尼特性非常有效。

    Abstract:

    A kind of hydro-pneumatic suspension with controllable stiffness and damping was designed. A complex nonlinear mathematic model of hydro-pneumatic suspensions was set up on the basis of comprehensive analysis of its working principle and structure. Simulation results comparison and theoretical analysis with the test data of bench test showed that the mathematic model is authentic. The volume of gas accumulator markedly affected the stiffness of hydro-pneumatic suspension, and the size of throttle notably affected the damping of the hydro-pneumatic suspension. The total volume of gas accumulator could be controlled by changing the number of gas accumulators, and the stiffness of hydro-pneumatic suspension could be controlled further more; the damping of hydro-pneumatic suspension could also be controlled by changing the size of throttle. 

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楊杰,陳思忠,吳志成,趙藝偉,楊波.油氣懸架可控剛度阻尼設(shè)計(jì)與試驗(yàn)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(10):20-24.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(10):20-24.

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