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首页> 外文会议>National Fluid Mechanics and Fluid Power Conference >FEEDBACK-FEEDFORWARD CONTROL OF AN ELECTROHYDRAULIC ACTUATION SYSTEM USING LUENBERGER OBSERVER
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FEEDBACK-FEEDFORWARD CONTROL OF AN ELECTROHYDRAULIC ACTUATION SYSTEM USING LUENBERGER OBSERVER

机译：使用Luenberger Observer对电液驱动系统的反馈 - 前馈控制

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摘要

Electro-hydraulic actuating systems are have wide range of applications due to their capability of imparting large forces and precision control. The present work deals with the design of a feedback-feedforward controller for a simple electro-hydraulic system. The feedforward control profile has been generated using the solution of the nonlinear model of the system. A Luenberger Observer has been constructed for computing all the states from the piston displacement feedback based on a linearized system model. The pressures in the two chambers within the cylinder are estimated using a disturbance observer. Each of these estimates has been multiplied by a suitable gains, obtained by the pole-placement technique, and then added together providing the feedback component of the control signal. The success of the controller design has been demonstrated for tracking different motions of the piston. All simulations have been carried out in MATLAB-SIMULINK.
机译：由于其赋予大型力和精度控制的能力，电动液压致动系统具有广泛的应用。本工作涉及用于简单的电动液压系统的反馈 - 前馈控制器的设计。使用系统的非线性模型的解决方案生成了前馈控制配置文件。已经构建了Luenberger观察者，用于根据线性化系统模型从活塞位移反馈中计算所有状态。使用扰动观测器估计气缸内的两个腔室中的压力。这些估计中的每一个已经乘以由极点放置技术获得的合适的增益，然后加入在一起提供控制信号的反馈分量。已经证明了控制器设计的成功用于跟踪活塞的不同运动。所有模拟都已在Matlab-Simulink中进行。

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