Results 51 to 60 of about 17,599,715 (165)
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
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, 2011 In order to suppress the friction and leakage interference of continuous rotary electro-hydraulic servo motor, make the motor tracking the periodic signals with high accuracy, and improve the high frequency response performance of continuous rotary ...
Bo Wu +3 more
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IEEE AccessIn order to ensure a precisely controlled electro hydraulic servo system, a sliding mode control algorithm based on nonlinear disturbance observers (NDOB-SMC) is developed in this study.
Qingqing Xu +3 more
doaj +1 more source
Advances in Mechanical Engineering, 2015 Aiming at balancing and positioning of a new electro-hydraulic servo system with iso-actuation configuration, an extended state observer–based fractional order proportional–integral–derivative controller is proposed in this study. To meet the lightweight
Qiang Gao +4 more
doaj +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
Deep Underground Science and Engineering, Volume 5, Issue 1, Page 220-232, March 2026.The permeability variation of rocks during complete stress–strain processes was investigated. A mathematical model describing the influence of rock damage on permeability was constructed. The permeability–stress relationship between soft rock and hard rock was proposed.
Zhen Huang +6 more
wiley +1 more source
Modelling of an electro-hydraulic servo-system
, 1977 Many theoretical models have been developed to simulate the performance of hydraulic Control components and systems, but all are limited by the assumptions involved and uncertain factors associated with practical hydraulic systems. Authors warn that seal
Caney, Keith, 1940- (15932096)
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MachinesWith the rapid progress of industrial technology in recent years, servo controllers have the characteristics of precise control and short response time and are widely used in different industrial fields.
Tao Wang +3 more
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Position Control of Electro‐Hydraulic Actuator System With Disturbances Compensation
Energy Science &Engineering, Volume 14, Issue 2, Page 831-842, February 2026.A novel output feedback controller based on global fast terminal sliding mode with disturbances rejection to achieve accurate position tracking control for electro‐hydraulic cylinder system, which shows the great control potential of the designed output feedback controller during the start‐up and operation of the electro‐hydraulic actuator system ...
Yunfei Wang, Haigang Ding, Jiaxiang Man
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IEEE AccessIn order to reduce the tracking and response errors of the electro-hydraulic servo system, improve the dynamic response quality of the system, enhance the adaptive ability of the system, and effectively solve the common problems of nonlinear interference
Mei Luhai
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