Results 51 to 60 of about 3,471 (214)
Performance Improvement of a Conventional Hydraulic Elevator by Using Electro-Hydraulic Servo Mechanism [PDF]
Engineering and Technology Journal, 2020 An electro-hydraulic elevator is a new type of enhanced elevators that are used in low-rise buildings that do not exceed more than three floors. In this paper, an electro-hydraulic servo system for controlling the speed of a hydraulic elevator prototype ...
Jamal Mohammed +2 more
doaj +1 more source
Extension Control Research of Pump-Control Electro-Hydraulic Servo System
, 2011 The extension control is a newly developed intelligent control method used to solve control problem from information transformation presented based on extenics.
You Song Sun +3 more
core +1 more source
Energy Science &Engineering, Volume 14, Issue 5, Page 2476-2498, May 2026.Fluidized gangue backfilling controls mining subsidence through stress redistribution in composite backfill‐pillar systems, reducing surface settlement and stress concentrations. Multi‐scale experimental and numerical analysis provides quantitative design parameters for optimizing ground control in sustainable underground coal mining operations ...
Weilong Zhang +11 more
wiley +1 more source
Simulation Analysis of Direct Drive Volume Control of Electro-hydraulic Servo System
, 2007 Direct Drive Volume Control (DDVC) of Electro-hydraulic Servo system is a new type energy saving system．The construction end characteristics of DDVC of Electro-hydraulic Servo System are presented． On the background for application to the hydro former ...
Zhao MY(赵明扬), Zhou JL(周加龙)
core +1 more source
Advances in Mechanical Engineering, 2017 Precise tracking performance and significant energy-saving effect are both important issues for electro-hydraulic servo system. Nevertheless, the electro-hydraulic servo system usually demonstrates inferior efficiency compared with other available ...
Weiping Wang, Bo Wang
doaj +1 more source
Beyond feasibility filters: How expertise heterogeneity enables innovation recognition
Strategic Management Journal, Volume 47, Issue 5, Page 1368-1432, May 2026.Abstract Research Summary Organizations often struggle to identify promising innovations that balance novelty and feasibility in multidisciplinary domains, yet how does evaluator expertise heterogeneity shape these assessments? This study examines how evaluator expertise influences innovation evaluation through a field experiment with National ...
Jacqueline N. Lane +3 more
wiley +1 more source
Deep Underground Science and Engineering, Volume 5, Issue 1, Page 116-126, March 2026.The evolution of electrical conductivity, mineral composition, and tensile behavior such as peak strength, average stiffness, and the energy evolution of the granite specimen under different HCl conditions are studied, analyzed as well as quantified, and investigated, respectively.
Yanan Gao +5 more
wiley +1 more source
Heliyon, 2023 An electro-hydraulic servo pump control system (hereinafter referred to as EHSPCS) is a volume servo control unit that is highly integrated with servo motors, fixed-displacement pumps, hydraulic cylinders and functional valve groups.
Mingkun Yang +4 more
doaj +1 more source
A study on a novel air-hydraulic digital servo system
, 1999 A novel air-hydraulic cylinder and a new air-hydraulic servo system for driving robots is presented in this paper. In the new system, taking the advantages both in hydraulic and pneumatic, air-hydraulic control technique is developed.
Qiu ZC(邱志成) +3 more
core +1 more source
Stress analysis of crack characteristic of anthracite under dynamic loading
Deep Underground Science and Engineering, Volume 5, Issue 1, Page 56-65, March 2026.In this article, the dynamic compression test of anthracite under five strain rates is carried out, the evolution law of three kinds of crack characteristic stress is analyzed, and a prediction model of the crack characteristic stress threshold considering the strain rate effect is established. Then, the rationality of crack characteristic stress under
Yun Bai +5 more
wiley +1 more source