Multiple degree-of-freedom force and moment measurement for static propulsion testing using magnetic suspension technology [PDF]
Innovative Information Systems (IIS), Inc. is in the process of designing and fabricating a high bandwidth force and moment measuring device (i.e. the Magnetic Thruster Test Stand).
Bartosh, Blake, Stuart, Keith
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Application of active control landing gear technology to the A-10 aircraft [PDF]
Two concepts which reduce the A-10 aircraft's wing/gear interface forces as a result of applying active control technology to the main landing gear are described.
Edson, R., Ross, I.
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Attitude controls for VTOL aircraft [PDF]
, 1971 Systems consist of single duct system with two sets of reaction control nozzles, one linked mechanically to pilot's controls, and other set driven by electric servomotors commanded by preselected combinations of electrical ...
Pauli, F. A.
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Automatic controls and regulators: A compilation [PDF]
Devices, methods, and techniques for control and regulation of the mechanical/physical functions involved in implementing the space program are discussed.
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Subgravity simulator Patent [PDF]
, 1967 Apparatus for training astronaut crews to perform on simulated lunar surface under conditions of lunar ...
Johnson, H. I., Trader, A. G.
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Effects of flux application and melting parameters in investment casting of pure aluminium by in-situ melting technique [PDF]
, 2018 Investment cast aluminium suffers porosity defect attributed to the complex combination of various factors including melt quality, casting process parameter and pouring technique.
Saleh, Aslinda
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Application of Bus-type Servo Valve in Hydraulic and Control System of Loading Statio
Gong-kuang zidonghua, 2011 In view of problems of frequent faults and low integration degree existed in traditional hydraulic and control system of loading station, the paper proposed a design scheme of hydraulic and control system of loading station based on bus-type servo valve.
YAO Zhi-xing, ZHANG Kang
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Dynamic modeling of the servovalves incorporated in the servo hydraulic system of the 70-meter DSN antennas [PDF]
As the pointing accuracy and service life requirements of the DSN 70 meter antenna increase, it is necessary to gain a more complete understanding of the servo hydraulic system in order to improve system designs to meet the new requirements.
Bartos, R. D.
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Research on digital valve-controlled hydraulic system for active radial control of wheelsets
机车电传动This paper addresses the issue of excessive heat generation in active radial hydraulic servo control systems by proposing an active radial digital valve-controlled hydraulic system for wheelsets based on the pulse-code modulation (PCM) technique.
NI Wenbo, LIU Shuwei, WANG Xuemei
doaj
Preliminary study, analysis and design for a power switch for digital engine actuators [PDF]
Innovative control configurations using high temperature switches to operate actuator driving solenoids were studied. The impact on engine control system life cycle costs and reliability of electronic control and (ECU) heat dissipation due to power ...
Beattie, E. C., Zickwolf, H. C., Jr.
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