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Tracking Control of Hydraulic Actuator with Energy Saving using Independent Metering Valves

机译:独立计量阀的节能液压执行器跟踪控制

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摘要

This paper presents the structure and dynamic of a new hydraulic boom cylinder circuit using independent metering valves combine with control variable displacement pump to saving energy.The IMV circuit uses the four proportional throttle valves to control the cylinder speed tracking to the reference speed of joystick,also the PID controller is used to control the supplied flow for boom cylinder to save pump consumption.The saving energy ability of new hydraulic circuit is already simulate and compared to conventional hydraulic by AMESim software.Besides that,these mode of independent metering valve circuit,especially Power Extension Mode and High Side Regeneration Extension Mode are compared together to prove saving energy.The optimization switching mode between PE and HSRE Model is proposed to select and control cylinder response when the reference speed and load input is changed.Moreover,the mathematical model already presented to model the dynamic of boom cylinder and all parameter of circuit get from the real system.
机译:本文介绍了一种新的液压动臂油缸回路的结构和动态特性,该油缸油缸回路采用独立的计量阀与控制变量泵相结合以节省能源.IMV回路使用四个比例节流阀将油缸速度跟踪控制到操纵杆的参考速度,此外,PID控制器还用于控制动臂油缸的供应流量,从而节省了泵的消耗。新的液压回路的节能功能已经通过AMESim软件进行了模拟,并与传统液压系统进行了比较。此外,这些独立计量阀回路的模式还包括:特别是将功率扩展模式和高端再生扩展模式进行了比较,以证明节省了能源。提出了在PE和HSRE模型之间进行优化切换的模式,以选择和控制参考速度和负载输入变化时的气缸响应。已经提出来模拟动臂油缸的动力学特性和所有参数的电路从实际系统中获取。

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