SEARCH · Engineering Papers
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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Control interface between man and computer manipulators, and optimality of human controllers as time optimal, bang-bang state regulators of second order systems
Analog simulation of dc arc emission spectrometer control system to define optimum control requirements
Performance of vortex valve controlled secondary injection thrust vector system for solid propellant rocket motor control
Optimal control of linear process with bounded control amplitude and rates using maximum principle
Low solar absorption surface coatings of aluminum, silver and silica with controlled emittance for spacecraft thermal control
Optimal control of dynamic control systems and geometry of reachability sets, discussing profit functions
Time optimal control of bounded phase coordinate problem associated with large booster autopilot design, noting oscillatory system with two control inputs
Book on applications of optimal control theory to computer controller design
Control moment gyro subsystem application in attitude control system of Apollo Telescope Mount for solar phenomena data acquisition
Spacecraft and large launch vehicle nonoptimal /suboptimal/ controllers evaluated with Chebyshev minimax optimal control theory
Optical-capacitive coupling is used for isolation of control voltages, such as the high-voltage level of a klystron control electrode that is not referenced to ground, to serve as error voltages referenced to system ground so that the magnitude and sense of correction may be transferred.
Remote control and manual control of manipulators
Time optimal control of linear systems with constraints on control amplitude and rate
Sensitivity reduction in specific optimal control by use of dynamical controller
Manual control using matched manipulator technique, noting control task complexity decrease and improved performance
Optimization of control independent cost functions in multidimensional system with linear controllers
Linear time varying processes minimal time control by maximum principle to construct extremal control as explicit time function
Controllability and linear closed-loop controls in linear periodic systems