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Piston Displacement Tracking of Hydraulic Propulsion System in Horizontal Well of Coal-bed Methane Based on Sliding Mode Control

机译:基于滑模控制的煤层气水平井液压推进系统活塞位移跟踪

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摘要

According to the principle of similar hydraulic driving shield machine and electro-hydraulic servo valve, the AMESim model of the hydraulic driving system of coal-bed methane (CBM) horizontal well is designed and established. By introducing the sliding surface and the switching function of sliding mode control, a sliding mode control algorithm is proposed to realize the tracking control of the desired displacement. In this paper, the hybrid simulation combining Simulink controller and AMESim physical model is implemented for the simulation of the control of piston displacement tracking for hydraulic propulsion system. The simulation results show that the proposed algorithm has good tracking accuracy.
机译:根据类似液压驱动盾构机和电动液压伺服阀的原理,设计并建立了煤层气水平井液压驱动系统的AMESim模型。通过介绍滑动面和滑模控制的切换功能,提出了一种滑模控制算法来实现对期望位移的跟踪控制。本文采用Simulink控制器和AMESim物理模型相结合的混合仿真方法,对液压推进系统的活塞位移跟踪控制进行了仿真。仿真结果表明,该算法具有良好的跟踪精度。

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