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首页> 外文期刊>Chinese journal of aeronautics >The Velocity Synchronizing Control on the Electro-Hydraulic Load Simulator
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The Velocity Synchronizing Control on the Electro-Hydraulic Load Simulator

机译：电液负载模拟器的速度同步控制

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摘要

This paper builds up an accurate nonlinear mathematical model of an electro-hydraulic force/ torque servo control system, and provides a thorough theoretical analysis on the feedforward compensation for extraneous force/torque, whose limitation is analyzed and revealed. The nonlinear factors and the servo valve dynamics have much influence on the system characteristics. Subsequently a velocity syn-chronizing-compensation method by using the control signal of the control actuator is proposed, which can reduce the lagging effects for the better performance. For the reason of similarity between the model of control actuator and that of the load simulator, the proposed method performs well against the influence of nonlinear factors. The simulations and the experiments confirm that this control scheme results in a quick response, robustness, and excellent ability against disturbance.
机译：本文建立了电液力/转矩伺服控制系统的精确非线性数学模型，并对外部力/转矩的前馈补偿进行了深入的理论分析，并对其局限性进行了分析和揭示。非线性因素和伺服阀动力学对系统特性有很大影响。随后提出了一种利用控制执行器的控制信号进行速度同步补偿的方法，该方法可以减少滞后效应，从而获得更好的性能。由于控制执行器的模型与负载模拟器的模型相似，因此该方法在非线性因素的影响下表现良好。仿真和实验证实，该控制方案具有快速响应，鲁棒性和出色的抗干扰能力。

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