The Optimal Control of Some Attitude Control Systems for Different Performance Criteria

[+] Author and Article Information
I. Flugge-Lotz, H. Marbach

Division of Engineering Mechanics, Stanford University, Stanford, Calif.

J. Basic Eng 85(2), 165-175 (Jun 01, 1963) (11 pages) doi:10.1115/1.3656552 History: Received April 05, 1962; Online November 03, 2011


Optimal control functions in the sense of minimum settling time and minimum fuel or energy consumption are derived for several different single-axis attitude control systems. The systems treated differ only in the mechanism used to produce control torque. The torque producing elements considered include, (i) reaction gas jets, with either one or two discrete levels of thrust, (ii) an armature controlled d-c motor, (iii) a two-phase a-c motor. Optimal switching curves for these systems are illustrated in the phase plane, and the optimal choice of system parameter values is discussed.

Copyright © 1963 by ASME
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