Design of optimal control systems with pure time delay.
Optimal control systems with pure time delay, discussing design parameters
Koivuniemi, A. J.↗
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Results for “System control”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Active frequency control system for argon FM laser
Frequency control system positions mirrors at either end of the laser cavity so the mirror separation is independent of thermal and acoustical fluctuations. A small portion of the laser output is split and directed upon a photodetector /photodiode/.
Source record↗
Design of a pitch orientational flight control system
Design of pitch orientational flight control system
Bell, R. A.↗
Analysis and design of space vehicle flight control systems. Volume 16 - Abort
Manned spacecraft control system requirements for abort problems
Greensite, A. L.↗
Photographic control system for Project Apollo launches.
Photographic control system requirements for Project Apollo manned launches, considering extreme heat, vibration and sound pressure environment
Greene, A. N.↗
Secondary-injection thrust vector control systems.
Fluidic secondary injection thrust vector control systems for solid propellant and hydrogen-oxygen rocket engines
Rivard, J. G.↗
Mars lander thermal control system parametric studies.
Mars lander thermal control system design parameters including environment, power duty cycle and lander size and weight
Morey, T. F.↗
Flight test experience with adaptive control systems
Flight test experience with adaptive control systems
Thompson, M. O.↗
Requirements, design, and performance of a control system for a Brayton power system
Requirements, design, and performance of control system from Brayton power system
Bilski, R. S.↗
Digital television camera control system Patent
TV camera output signal control system for digital spacecraft communication
Malling, L. R.↗
Transient thermal performance prediction of the Lunar Module environmental control system
Computerized thermal model simulating environment control system, crew and vehicle structure in performance prediction for Apollo lunar module
Howell, H. R.↗
Global analysis of three-axis, large-angle attitude control systems
Three axis large angle attitude control system global analysis, determining system stability, responsiveness and sensitivity to disturbances
Meyer, G.↗
Mount for thermal control system Patent
Mounting apparatus for temperature control system
Kearns, W. J.↗
Analysis of a control system containing two nonlinearities
Analysis of control system containing two nonlinearities to determine existence, stability, and values of amplitude and limit cycles frequency
Seltzer, S. M.↗
Fluidic power control systems
Pneumatic and hydraulic fluidic power control systems, discussing moving part position servos and cold gas reaction systems
Rose, R. K.↗
Pneumatic load compensating or controlling system
A pneumatic load compensating or controlling system for restraining a load with a predetermined force or applying a predetermined force to the load is described; it includes a source of pressurized air, a one-way pneumatic actuator operatively connected to a load, and a fluid conduit fluidically connecting the actuator with the source of pressurized air. The actuator is of the piston and cylinder type, and the end of the fluid conduit is connected to the upper or lower portion of the cylinder whereby the actuator alternatively and selectively restrains the load with a predetermined force or apply a predetermined force to the load. Pressure regulators are included within the system for variably selectively adjusting the pressurized fluid to predetermined values as desired or required; a pressure amplifier is included within the system for multiplying the pressurized values so as to achieve greater load forces. An accumulator is incorporated within the system as a failsafe operating mechanism, and visual and aural alarm devices, operatively associated with pressure detecting apparatus, readily indicate the proper or improper functioning of the system.
Rogers, J. R.↗
Breadboard CO2 and humidity control system
A regenerable CO2 and humidity control system is being developed for potential use on shuttle as an alternate to the baseline lithium hydroxide (LiOH)/condensing heat exchanger system. The system utilizes a sorbent material, designated HS-C, to adsorb CO2 and water vapor from the cabin atmosphere. The material is regenerated by exposing it to space vacuum. A half-size breadboard system, utilizing a flight representative HS-C canister, was designed, built, and performance tested to shuttle requirements for total CO2 and total humidity removal. The use of a new chemical matrix material allowed significant optimization of the system design by packing the HS-C chemical into the core of a heat exchanger which is manifolded to form two separate and distinct beds. Breadboard system performance was proven by parametric testing and simulated mission testing over the full range of shuttle crew sizes and metabolic loadings. Vacuum desorption testing demonstrated considerable savings in previously projected shuttle vacuum duct sizing.
Boehm, A. M.↗