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A study on full-electric control system of hydro static transmission for construction machines

机译:建筑机械水电静电传输全电控系统研究

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Full-electric control system of hydro static transmission (HST) was studied. In this paper, system configuration of motor-speed control and control performance were examined through simulation. A simulation model of a HST system was built considering oil-hydraulic components. Especially, a model of a variable displacement pump was built based on experimental data. Transient responses of the HST system were examined and a nominal transfer function was identified which represents typical responses. And a two-degree-of-freedom control system based on the transfer function was applied to control of motor speed. It was demonstrated that control performance was improved under severe conditions.
机译:研究了水电静态传输(HST)的全电动控制系统。 本文通过仿真检查了电动机速度控制和控制性能的系统配置。 考虑液压部件建立了一种HST系统的仿真模型。 特别是,基于实验数据构建了可变排量泵的模型。 检查HST系统的瞬态响应,并鉴定了标称转移功能,代表了典型的反应。 基于传递函数的双自由度控制系统应用于控制电机速度。 结果表明,在恶劣条件下,控制性能得到改善。

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