Accession Number : AD0710788

Title :   A PROBLEM IN OPTIMAL REORIENTATION OF ASYMMETRIC SPACE VEHICLES.

Descriptive Note : Technical rept.,

Corporate Author : HOUSTON UNIV TEX CULLEN COLL OF ENGINEERING

Personal Author(s) : Morefield,Charles Landess ; Childs,Bart

Report Date : AUG 1969

Pagination or Media Count : 40

Abstract : The problem of large-angle, three-dimensional reorientation of asymmetric space vehicles in a fuel optimal manner is considered. A general problem is posed and solved numerically. The resultant numerical data is compared to a feedback configuration derived from a subset of the general problem. In both instances, Pontryagin's Minimum Principle is utilized to determine the set of differential equations which describe the optimal trajectory. The control is presumed to be unconstrained, resulting in a continuous optimal control. (Author)

Descriptors :   (*SPACE FLIGHT, SATELLITE ATTITUDE), (*ATTITUDE CONTROL SYSTEMS, MATHEMATICAL MODELS), ORBITS, FUEL CONSUMPTION, OPTIMIZATION, NONLINEAR DIFFERENTIAL EQUATIONS, MATRICES(MATHEMATICS), NUMERICAL ANALYSIS

Subject Categories : Astronautics

Distribution Statement : APPROVED FOR PUBLIC RELEASE