, 2016 Hydraulic drives, systems that use pressurized fluids as transmis-sion medium, have a wide range of applications are widespread in to-day’s industry. Like many other systems, hydraulic drives can get dra-matically improved performance by an appropriately designed feedback controller.
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A case study of technology transfer: Rehabilitative engineering at Rancho Los Amigos Hospital [PDF]
The transfer of NASA technolgy to rehabilitative applications of artificial limbs is studied. Human factors engineering activities range from orthotic manipulators to tiny dc motors and transducers to detect and transmit voluntary control signals.
Hildred, W.
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Conceptual design study of a Harrier V/STOL research aircraft [PDF]
MCAIR recently completed a conceptual design study to define modification approaches to, and derive planning prices for the conversion of a two place Harrier to a V/STOL control, display and guidance research aircraft.
Berger, R. L. +3 more
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Space Power Facility-Capabilities for Space Environmental Testing Within a Single Facility [PDF]
The purpose of this paper is to describe the current and near-term environmental test capabilities of the NASA Glenn Research Center's Space Power Facility (SPF) located at Sandusky, Ohio.
Sorge, Richard N.
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Analysis of Temperature Characteristics of Electro-hydraulic Servo Valve Based on AMESim [PDF]
Proceedings of the 2018 International Conference on Mechanical, Electrical, Electronic Engineering & Science (MEEES 2018), 2018 Weihui Wang, Zeqi Chen
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Technology requirements for advanced earth orbital transportation systems. Volume 2: Summary report [PDF]
The results of efforts to identify the technology requirements for advanced earth orbital transportation systems are reported. Topics discussed include: (1) design and definition of performance potential of vehicle systems, (2) advanced technology ...
Bangsund, E. L., Hepler, A. K.
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Disturbance torque rejection properties of the NASA/JPL 70-meter antenna axis servos [PDF]
Analytic methods for evaluating pointing errors caused by external disturbance torques are developed and applied to determine the effects of representative values of wind and friction torque.
Hill, R. E.
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Design and control strategy of a heavy-duty independent suspension system based on distributed hydraulic sources. [PDF]
Sci ProgShiCheng Z +4 more
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Apollo docking test device design study final report [PDF]
Docking simulation system for confirming Apollo probe design and drogue docking mechanisms under simulated space ...
Gaugh, W. J., Howard, V. W.
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An Energy-Efficient Gas-Oil Hybrid Servo Actuator with Single-Chamber Pressure Control for Biomimetic Quadruped Knee Joints. [PDF]
Biomimetics (Basel)Yao M, Hua Z, Qian H.
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