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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Asymptotic solutions of linear difference equations, discussing applications to eigenvalue problems of free oscillations of model galaxies
Analytical measure of quality of controllability for linear dynamic system and computational procedure for maximizing adjustable structural parameters
Invariant subspaces, controllability and observability of linear dynamic systems
Optimal control of system governed by linear parabolic equation with white noise inputs, using mathematical model to generate distributed system analog
Identification of finite memory, time discrete linear systems by Kiefer-Wolfowitz stochastic approximation procedures, presenting two algorithms for sequential identification
Maximum likelihood smoother using measurements containing correlated noise for application to continuous linear dynamic systems such as inertial navigation
Stochastic approximation algorithms for adaptive linear discrete time system identification using noisy input
Optimization of control independent cost functions in multidimensional system with linear controllers
Optimum linear feedback code for additive noise systems with average power constraint on transmitter to increase channel capacity
Near cathode magnetic field effect on instability in linear Hall current accelerators, using geometry of field extending from anode to cathode region
Scheme for choosing approximating system of difference equations for degenerate linear and nonlinear elliptic boundary value problems
Correction of linear functional differential equations with time delay showing error due to incorrect interchange of order of integration involving Stieltjes integral
Magnitude limited random excitation effect on linear system response, using single degrees of freedom model representing idealized mechanical structure
Multiparameter optimum damping for harmonically excited linear stable strictly dissipative n degrees of freedom system, locating multivariable saddle points
Rotational dynamics equations in linearized matrix form applied to satellite librations in circular orbit and gyroscope motion
Asymptotic stability of discrete homogeneous linear minimum-variance estimation formulas
Galerkin method applied to axial, transverse and three dimensional linear combustion instability problems in liquid propellant rocket motors
Incompressible laminar jet bounded by two parallel walls or by three walls, using linearized analysis related to Oseen approximation