Research and Development of Electro‑hydraulic Control Valves Oriented to Industry 4.0:A Review  

作　　者：Bing Xu Jun Shen Shihao Liu Qi Su Junhui Zhang 

机构地区：[1]State Key Laboratory of Fluid Power and Mechatronic Systems,Zhejiang University,Hangzhou 310027,China

出　　处：《Chinese Journal of Mechanical Engineering》2020年第2期5-24,共20页中国机械工程学报（英文版）

基　　金：Supported by NSFC-Zhejiang Joint Fund(Grant No.U1509204);National Natural Science Foundation of China(Grant Nos.51835009,51922093).

摘　　要：Electro-hydraulic control valves are key hydraulic components for industrial applications and aerospace,which controls electro-hydraulic motion.With the development of automation,digital technology,and communication technology,electro-hydraulic control valves are becoming more digital,integrated,and intelligent in order to meet the requirements of Industry 4.0.This paper reviews the state of the art development for electro-hydraulic control valves and their related technologies.This review paper considers three aspects of state acquisition through sensors or indirect acquisition technologies,control strategies along with digital controllers and novel valves,and online maintenance through data interaction and fault diagnosis.The main features and development trends of electro-hydraulic control valves oriented to Industry 4.0 are discussed.

关 键 词：Hydraulic valves Electro-hydraulic technology Sensor Control Digital hydraulic Fault diagnosis 

分 类 号：TH137.52[机械工程—机械制造及自动化]