Results 81 to 90 of about 10,681 (234)
Nonlinear Robust Adaptive Control of Electro-hydraulic Position Servo System
International Journal of Control and Automation, 2014 For the influence of time varying parameter on servo accuracy of electro-hydraulic position servo system, nonlinear robust adaptive controller with the ability of restraining the parameter perturbation for symmetry valves-control symmetry cylinder system is put forward which is based on the Lyapunov stability theory, The nonlinear state equation of ...
Junpeng Shao, Guitao Sun, Xiaoning Mu
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Independent Orbiter Assessment (IOA): Analysis of the ascent thrust vector control actuator subsystem [PDF]
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
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Independent Orbiter Assessment (IOA): Analysis of the elevon subsystem [PDF]
The results of the Independent Orbiter Assessment (IOA) of the Failure Modes and Effects Analysis (FMEA) and Critical Items List (CIL) are presented. The IOA approach features a top-down analysis of the hardware to determine failure modes, criticality ...
Riccio, J. R., Wilson, R. E.
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An approach to high speed ship ride quality simulation [PDF]
, 1975 The high speeds attained by certain advanced surface ships result in a spectrum of motion which is higher in frequency than that of conventional ships.
Malone, W. L., Vickery, J. M.
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Design of ultraprecision machine tools with application to manufacturing of miniature and micro components [PDF]
, 2005 Currently the underlying necessities for predictability, producibility and productivity remain big issues in ultraprecision machining of miniature/microproducts.
Chen +20 more
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Kongzhi Yu Xinxi Jishu, 2020 It analyzed an electro-hydraulic servo system of typical high-performance underwater manipulator and established mathematical models of the electro-hydraulic servo system when taking Titan-4 7-function manipulator of Schilling company as an example ...
WANG Hongfei +3 more
doaj
Space Transportation System solid rocket booster thrust vector control system [PDF]
The Solid Rocket Booster, Thrust Vector Control (TVC) system was designed in accordance with the following requirements: self-contained power supply, failsafe operation, 20 flight uses after exposure to seawater landings, optimized cost, and component ...
Mccool, A. A. +2 more
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Advances in Mechanical Engineering, 2016 Many multi-axle applications use electro-hydraulic control systems with proportional valves. The proportional steering system can satisfy common engineering requirements, but it is likely to fail if the steering angle or load changes drastically because ...
Heng Du, JianHua Wei, JinHui Fang
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Research on the position–pressure cooperative control strategy for full-hydraulic leveler
Advances in Mechanical Engineering, 2018 The characteristics of electro-hydraulic servo system of full-hydraulic leveler are high speed, large inertia, high frequency response, and multi-degree of freedom.
Dongping He +4 more
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An air-bearing weight offload system for ground test of heavy LSS structures [PDF]
The capability and use of the Gravity Offload Facility (GOF) are discussed. Briefly explained are the: truss and base casting; carriage assembly; carriage weldment; vertical lift axis control; lifting cylinder; payload gimbal; motion base layout; and ...
Rice, R. B.
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