Research Status of Active Control of Hydraulic Fluid Pulsation

被引：0

作者：

Shang X. ^{[1
]}

Zhou H. ^{[1
]}

Yang H. ^{[1
]}

机构：

[1] State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou

来源：

Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2019年 / 55卷 / 24期

关键词：

Active control; Adaptive control; Fluid pulsation; Hydraulic systems; Vibration attenuation;

D O I：

10.3901/JME.2019.24.216

中图分类号：

学科分类号：

摘要：

The flow pulsation and pressure pulsation always exist in hydraulic systems in a coupling relationship, which leads to the problems of the control accuracy decrease of the system and the accelerated fatigue loss of the components. Due to the characteristics of time-varying parameters and variable load of the hydraulic system, active control can better meet the requirements of the dynamic control accuracy of the complex nonlinear system compared to passive control for fluid pulsation. Based on different secondary pulsating sources, the working principle and the control characteristics of the active control methods are analyzed, and four common control algorithms and their application occasions for fluid pulsation active control in hydraulic systems are listed. In addition, the research results of the active control methods for fluid pulsation in hydraulic systems at home and abroad are analyzed by servo actuator control, hydraulic valve control and non-intrusive structural control. In the end, the research status and the future development directions of fluid pulsation active control are summarized. © 2019 Journal of Mechanical Engineering.

引用

页码：216 / 226

页数：10

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