Results 1 to 10 of about 11,561 (230)
Research on Electro-Hydraulic Servo Resonance Technology [PDF]
SensorsIn this paper, an electro-hydraulic servo resonance technology is proposed to meet the loading requirements of a high-frequency sound fatigue test for large tonnage.
Xiuguang Yang, Peng Liu, Hongwei Zhao
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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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Real-Time Hybrid Test Control Research Based on Improved Electro-Hydraulic Servo Displacement Algorithm [PDF]
Sensors, 2023 Real-time hybrid testing (RTH) is a test method for dynamic loading performance evaluation of structures, which is divided into digital simulation and physical testing, but the integration of the two may lead to problems such as time lag, large errors ...
Yaoyu Shen +3 more
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Electro-Hydraulic Servo Plate-Inclined Plunger Hydraulic Transformer
IEEE Access, 2016 Hydraulic transformer can improve the transmission efficiency of the hydraulic system. As the manual hydraulic transformer cannot achieve automatic control and remote control in the hydraulic system, to meet this challenge, the electro-hydraulic servo ...
Chengqiang Liu +5 more
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Multi-State Recognition of Electro-Hydraulic Servo Fatigue Testers via Spatiotemporal Fusion and Bidirectional Cross-Attention [PDF]
SensorsElectro-hydraulic servo fatigue testing machines are susceptible to concurrent degradation and failure of multiple components during high-frequency, high-load, and long-duration cyclic operations, posing significant challenges for online health ...
Guotai Huang +4 more
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Physical modelling and analysis of electro-hydraulic position servo systems for single rod hydraulic cylinders [PDF]
Zhihui kongzhi yu fangzhen, 2023 The electro-hydraulic position servo system of a single rod hydraulic cylinder is used in a large number of engineering applications due to its compact structure, but due to its asymmetric structure and complex mathematical model, many factors cannot be ...
ZHANG Yizhe, LI Yuesong, LI Geqiang, LI Guifei, WANG Bang
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Zhongguo Jianchuan Yanjiu, 2022 ObjectiveIn order to realize the precise control of a certain type of electro-hydraulic position servo system, a feedback-feedforward variable gain iterative learning method is proposed. MethodFirst, the simplified model of the electro-hydraulic position
Xuan LIU +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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Applied Sciences, 2023 Direct-drive electro-hydraulic servo valves are widely used in the aerospace industry, in the military, and in remote sensing control, but there is little research and discussion on their performance degradation and service life prediction.
Juncheng Mi, Guoqin Huang
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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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