Motion control of multi-actuator hydraulic systems for mobile machineries: Recent advancements and future trends

Motion control of multi-actuator hydraulic systems for mobile machineries: Recent advancements and future trends
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移动机械多执行器液压系统的运动控制:最新进展和未来趋势

DOI:
10.1007/s11465-018-0470-5
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发表时间:
2018-03
影响因子:
4.5
通讯作者:
Cheng Min
Cheng Min
中科院分区:
工程技术3区
文献类型:
--
作者:
Xu Bing;Cheng Min

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本文介绍了最近的进展和即将到来的趋势,在运动控制技术的设计多作动器的移动的机械液压系统的调查。液压系统由于其上级功率密度和鲁棒性而被广泛应用于移动的机械中。然而,由于严格的排放法规,多执行器液压系统的运动控制技术面临着越来越多的挑战。在这项研究中,概述了现有的节流控制技术的发展,包括开放中心和负载传感控制。简要综述了液压节能技术的最新进展,如单独计量、排量控制和混合控制。并讨论了节能液压技术对动态性能的影响和控制方案。然后,综述了多驱动器移动的机械的先进操作方法,包括协调控制和触觉控制。最后,从能量效率、可控性、成本、可靠性等方面综合考虑,提出了先进运动控制技术面临的挑战和机遇。
This paper presents a survey of recent advancements and upcoming trends in motion control technologies employed in designing multi-actuator hydraulic systems for mobile machineries. Hydraulic systems have been extensively used in mobile machineries due to their superior power density and robustness. However, motion control technologies of multi-actuator hydraulic systems have faced increasing challenges due to stringent emission regulations. In this study, an overview of the evolution of existing throttling control technologies is presented, including open-center and load sensing controls. Recent advancements in energy-saving hydraulic technologies, such as individual metering, displacement, and hybrid controls, are briefly summarized. The impact of energy-saving hydraulic technologies on dynamic performance and control solutions are also discussed. Then, the advanced operation methods of multi-actuator mobile machineries are reviewed, including coordinated and haptic controls. Finally, challenges and opportunities of advanced motion control technologies are presented by providing an overall consideration of energy efficiency, controllability, cost, reliability, and other aspects.
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