Results 81 to 90 of about 11,561 (230)

Independent Orbiter Assessment (IOA): Analysis of the elevon subsystem [PDF]

open access: yes
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.
core   +1 more source

Simulation research on control system of CST for scraper conveyor

open access: yesGong-kuang zidonghua, 2016
Start characteristics and electro-hydraulic servo control characteristics of CST for scraper conveyor were analyzed, compositions and working principles of both CST and its control system were introduced.
WANG Yabin, LIAN Zisheng, CUI Hongwei
doaj   +1 more source

Space Transportation System solid rocket booster thrust vector control system [PDF]

open access: yes
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
core   +1 more source

Research on Feedforward Compensation Control Strategy of Electro-hydraulic Servo System for Underwater Manipulator

open access: yesKongzhi 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  

Development of Hydraulically Driven Fatigue Testing Machine for Insulators

open access: yesIEEE Access, 2018
The hydraulically driven fatigue testing machine is studied to simulate the vibration in the fatigue experiments for the insulators. First, hydraulic scheme and control principle are introduced.
Jianlin Xuan, Shoukun Wang
doaj   +1 more source

An air-bearing weight offload system for ground test of heavy LSS structures [PDF]

open access: yes
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.
core   +1 more source

Introduction to Nuclear Propulsion: Lecture 15 - Nuclear Test Operations [PDF]

open access: yes, 1963
The test operation of nuclear power plants, specifically nuclear rockets, bears some interesting similarities to the operation of chemical rocket tests as well as, of course, many differences.
Drexler, R. L., Storrs, C. L.
core   +1 more source

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