Analysis of the static and dynamic characteristics of the electro-hydraulic pressure servo valve of robot [PDF]
Scientific Reports, 2023 In this study, we comprehensively investigate the structure and operational principles of the Rotary Direct Drive Electro-Hydraulic Pressure Servo Valve (RDDPV).
Jianrui Zhang +4 more
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CFD-Based Physical Failure Modeling of Direct-Drive Electro-Hydraulic Servo Valve Spool and Sleeve [PDF]
Sensors, 2022 Direct-drive electro-hydraulic servo valves are used extensively in aerospace, military and control applications, but little research has been conducted on their service life and physical failure wear.
Guoqin Huang +3 more
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Direct-Drive Electro-Hydraulic Servo Valve Performance Characteristics Prediction Based on Big Data and Neural Networks [PDF]
Sensors, 2023 Direct-drive electro-hydraulic servo valves play a key role in aerospace control systems, and their operational stability and safety reliability are crucial to the safety, stability, and efficiency of the entire control system. Based on the prediction of
Juncheng Mi, Jin Yu, Guoqin Huang
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Mechanism of temperature-induced zero drift on electro-hydraulic servo valve [PDF]
AIP Advances, 2021 An electro-hydraulic servo valve is objectively asymmetrical in the process of fabrication and assembly, and the zero position is the result of comprehensive adjustment.
Li Ma, Hao Yan, Cunkun Cai, Yukai Ren
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Early Fault Symptom Diagnosis of Aircraft Electro-hydraulic Servo Valve
Hangkong gongcheng jinzhan, 2020 Electro-hydraulic servo valve is an important part of aircraft brake system, which affects the safety of aircraft landing. In order to solve the problem of frequent failure of a certain type of electro-hydraulic servo valve, a model of electro-hydraulic ...
JIN Guotao
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Dual-valve parallel prediction control for an electro-hydraulic servo system [PDF]
Science Progress, 2020 To improve the dynamic response performance of a high-flow electro-hydraulic servo system, scholars have conducted considerable research on the synchronous and time-sharing controls of multiple valves.
Shi-jie Su +4 more
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Durability analysis of rotary direct drive electro-hydraulic pressure servo valve based on failure physics principle. [PDF]
PLoS ONEThe rotary direct drive electro-hydraulic servo valve (RDDPV) is extensively employed in hydraulic systems across aerospace, automotive, and various industrial sectors owing to its remarkable precision and rapid response characteristics.
Jianrui Zhang +4 more
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Built-in test technology for electro-hydraulic servo-valve amplifier
Zhongguo Jianchuan Yanjiu, 2021 Objectives The electro-hydraulic servo valve operates in a harsh working environment but lacks integrated testability. In order to improve the usability and maintainability of electro-hydraulic servo valves, it is necessary to design a built-in test (BIT)
Jianping YUAN, Hanbing SUN
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Design and Control of a Linear Rotary Electro-Hydraulic Servo Drive Unit
Applied Sciences, 2023 In this paper, a new solution for an electro-hydraulic servo drive is proposed, which consists of two electro-hydraulic servo drives: one with a hydraulic cylinder and one with a hydraulic rotary motor.
Andrzej Milecki +2 more
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Analysis of the jet pipe electro-hydraulic servo valve with finite element methods
MATEC Web of Conferences, 2018 The dynamic characteristics analysis about the jet pipe electro-hydraulic servo valve based on experience and mathematical derivation was difficult and not so precise.
Kaiyu Zhao +4 more
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