Results 21 to 30 of about 5,164 (216)
IEEE Access, 2020 Each joint of hydraulic drive legged robot adopts highly integrated electro-hydraulic servo system, and the system has two common forms, namely, valve-controlled cylinder system and pump-controlled cylinder system.
Bin Yu +6 more
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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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Investigation of temperature rise characteristics in the pre-stage of a deflector jet servo valve [PDF]
Scientific ReportsIn aerospace equipment, the deflector jet servo valve is a high-end core control component of electro-hydraulic servo systems. The pre-stage is crucial because of the compact structure and complex jet morphology.
Li Ma +4 more
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PID Controller Design for Electro-hydraulic Servo Valve System with Genetic Algorithm
Procedia Computer Science, 2016 AbstractThe proportional-integral-derivative (PID) controller are widely applied with the electro-hydraulic servo system since it is easily to implement and highly efficient. The optimal tuning PID parameter that can increase the performance of the control system.
Samakwong, Tanasak +1 more
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The pressure control of independent load port electro-hydraulic load simulation system using fixed time integral sliding mode active disturbance rejection [PDF]
Scientific ReportsTo address the issues of motion disturbance and low loading accuracy in electro-hydraulic load simulation systems, and to effectively mitigate the impact of uncertainty on system performance, this paper proposes a novel independent load port electro ...
He Hao, Hao Yan
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Fault diagnosis of electro‐hydraulic servo valve using extreme learning machine
International Transactions on Electrical Energy Systems, 2020 Chao Liu +3 more
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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
doaj +1 more source
Synchronization of the movement for multi-cylinder electrohydraulic servo driver [PDF]
EPJ Web of Conferences, 2022 The article presents the problem of synchronization of piston rods velocity of the multi-cylinder electro-hydraulic servo drive. This task was presented on the example of a heavily loaded mobile caterpillar platform.
Woś Piotr, Dindorf Ryszard
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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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IET Control Theory &Applications, Volume 17, Issue 18, Page 2496-2505, December 2023., 2023 This paper studied the periodic reference tracking in electro‐hydraulic systems and provided a general PR controller to achieve high tracking performance. The related stability result is derived by the Routh–Hurwitz criterion. Abstract The growth of marine resources exploitation has led to increased research interest in electro‐hydraulic systems for ...
Shengwang Ye +5 more
wiley +1 more source