Controlled Reaction Dynamics of Binary Hexafluorides to Explore New Chemical Signatures
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Dorris, Austin L. [Savannah River National Laborat↗
SEARCH · Engineering Papers
Results for “dynamic 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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Evaluating the Impacts of Weather Forecast Inaccuracy on Performance of Model Predictive Control for Dynamic Facades
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Grant, Peter↗
Control and dynamic stability study using the digital adaptive filter technique
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Leudde, W.↗
Dynamics and control research applicable to Apollo extension systems
Disturbance envelope and experiment requirements for Apollo missions used to determine optimum control-moment gyro-jet system
ATTITUDE CONTROL↗
Model of human-operator response to step transitions in controlled element dynamics
Derivation of analytical model to predict operator transition response
MATHEMATICAL MODEL↗
Vehicle control and control system dynamic characteristics J 2S improvement study
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Dynamics and control of flexible space vehicles
Computerized simulation of attitude controlled flexible space vehicles
Likins, P. W.↗
The effects of nonuniform swash-plate stiffness on coupled blade-control system dynamics and stability. Part 2 - Computer program listing
Computer program for calculating effects of swash-plate stiffness on helicopter rotor system dynamics and stability
Piarulli, V. J.↗
The effects on nonuniform swash plate stiffness on coupled blade control system dynamics and stability. Part 1 - Analysis and application
Mathematical models for calculating flexible swash-plate effects on vibratory and mechanical stability characteristics of helicopter rotor systems
Piarulli, V. J.↗
Dynamics and control for orbital retrieval operations using the space shuttle
Rendezvous and retrieval of uncooperative orbital bodies using space shuttle
Kaplan, M. H.↗
Effects of nonuniform swash-plate stiffness on coupled blade-control system dynamics and stability
Program has been developed that analytically determines effects of nonuniform swash-plate support stiffness, swash-plate flexibility, and out-of-blade track on vibratory mechanical stability characteristics of helicopter rotor systems. Analysis is based on combined Laplace transform and associated matrix approach.
Piarulli, V. J.↗
Analysis and design of a capsule landing system and surface vehicle control system for Mars exporation
The problems related to the design and control of a mobile planetary vehicle to implement a systematic plan for the exploration of Mars were investigated. Problem areas receiving attention include: vehicle configuration, control, dynamics, systems and propulsion; systems analysis; navigation, terrain modeling and path selection; and chemical analysis of specimens. The following specific tasks were studied: vehicle model design, mathematical modeling of dynamic vehicle, experimental vehicle dynamics, obstacle negotiation, electromechanical controls, collapsibility and deployment, construction of a wheel tester, wheel analysis, payload design, system design optimization, effect of design assumptions, accessory optimal design, on-board computer subsystem, laser range measurement, discrete obstacle detection, obstacle detection systems, terrain modeling, path selection system simulation and evaluation, gas chromatograph/mass spectrometer system concepts, chromatograph model evaluation and improvement and transport parameter evaluation.
Frederick, D. K.↗
Dynamics and control research applicable to Apollo extension systems
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Kurzhals, P. R.↗
Dynamics and control of escape and rescue from a tumbling spacecraft
The results of 18 months of investigations are reported. A movable mass control system to convert the tumbling motion of a spacecraft into simple spin was studied along with the optimization techniques for generating displacement profiles for a tumbling asymmetrical body. Equations of motion are discussed for two asymmetrical vehicles with flexible beams and one spacecraft with flexible solar arrays. The characteristics which allow reasonable safety and reliability in bailout are also discussed.
Kaplan, M. H.↗
Analysis and design of a capsule landing system and surface vehicle control system for Mars exploration
Investigation of problems related to the design and control of a mobile planetary vehicle to implement a systematic plan for the exploration of Mars has been undertaken. Problem areas receiving attention include: vehicle configuration, control, dynamics, systems and propulsion; systems analysis; terrain modeling and path selection; and chemical analysis of specimens. The following specific tasks have been under study: vehicle model design, mathematical modeling of a dynamic vehicle, experimental vehicle dynamics, obstacle negotiation, electromechanical controls, collapsibility and deployment, construction of a wheel tester, wheel analysis, payload design, system design optimization, effect of design assumptions, accessory optimal design, on-board computer sybsystem, laser range measurement, discrete obstacle detection, obstacle detection systems, terrain modeling, path selection system simulation and evaluation, gas chromatograph/mass spectrometer system concepts, chromatograph model evaluation and improvement.
Frederick, D. K.↗
Dynamics and control of advanced space vehicles, volume 1
The following studies are reported: (1) Modal analyses of elastic continua for Liapunov stability analysis of flexible spacecraft; (2) development of general purpose simulation equations for arbitrary spacecraft; (3) evaluation of alternative mathematical models for elastic components of spacecraft; and (4) examination of the influence of vehicle flexibility on spacecraft attitude control system performance.
Likins, P. W.↗
Startup dynamics and control
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Heppler, H. J., Jr.↗
Analysis and design of a capsule landing system and surface vehicle control system for Mars exploration
Problems related to the design and control of a mobile planetary vehicle to implement a systematic plan for the exploration of Mars are reported. Problem areas include: vehicle configuration, control, dynamics, systems and propulsion; systems analysis, terrain modeling and path selection; and chemical analysis of specimens. These tasks are summarized: vehicle model design, mathematical model of vehicle dynamics, experimental vehicle dynamics, obstacle negotiation, electrochemical controls, remote control, collapsibility and deployment, construction of a wheel tester, wheel analysis, payload design, system design optimization, effect of design assumptions, accessory optimal design, on-board computer subsystem, laser range measurement, discrete obstacle detection, obstacle detection systems, terrain modeling, path selection system simulation and evaluation, gas chromatograph/mass spectrometer system concepts, and chromatograph model evaluation and improvement.
Frederick, D. K.↗