Results 171 to 180 of about 11,629 (228)

Application-oriented classification and performance analysis of precision linear feed mechanisms for machine tools. [PDF]

Sci Prog
Zhou J, Yu H, He M, Zhang Y, Luan X, Liu Y.   +5 more
europepmc   +1 more source

Experimental study of strength degradation in fractured surrounding rock of deep high-temperature tunnels. [PDF]

Sci Rep
Jiang H, Zhang J, Wei G, Yu T.
europepmc   +1 more source

Stiffness Compensation in Variable Displacement Mechanisms of Swash Plate Axial Piston Pumps Utilizing Piezoelectric Actuators. [PDF]

Materials (Basel)
Zhang G, Ma M, Lin YJ.
europepmc   +1 more source

A Multi-Level Nonlinear Cumulative Fatigue Damage Life Prediction Model Considering Load Loading Effects. [PDF]

Materials (Basel)
Yang B, Huo J.
europepmc   +1 more source

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Electro-Hydraulic Servo Actuation for Well Completions

SPE Annual Technical Conference and Exhibition, 2022
Objectives/Scope Well Completions are challenged with the demands of managing increased multiple production zones. This paper addresses a solution to these issues: Reduce the number of hydraulic control lines.
Daniel M. Lerner, Andre E. Orban
openaire   +1 more source

Fault Diagnostic of Electro-Hydraulic Servo Valve

Advanced Materials Research, 2012
In order to achieve the fault diagnostic and degradation assessment of the electro-hydraulic servo valve, a system of prognostic and health management based on the data-driven approach for the electro-hydraulic servo valve is presented. FMMEA performed in this study considered the degree of sub-components in electro-hydraulic servo valve.
Hai Yang Pan, Shu Nan Liu, Yong Ming Yao, Yi Lin Jiang   +3 more
openaire   +1 more source

Research of non-servo valve electro-hydraulic servo system

Proceedings of 2011 International Conference on Electronic & Mechanical Engineering and Information Technology, 2011
A new non-servo valve electro-hydraulic servo system was researched. To control load, the system uses bidirectional fixed displacement hydraulic pump that is driven by AC PMSM directly drives servo-hydraulic cylinder. The hydraulic actuating unit was designed base on one design parameter and performance target.
Geqiang Li, Hanjie Wang, Xiaodong Huang
openaire   +1 more source

Projective control of electro-hydraulic servo system

Proceedings of the 2001 American Control Conference. (Cat. No.01CH37148), 2001
A nonlinear dynamic model for an electro-hydraulic servo system is developed. The model's response is compared with that of an actual valve. A projective control algorithm is used to control the motion of a load. Robustness of the control algorithm is analyzed through simulations.
C. Batur, M. Tawfik
openaire   +1 more source