Time-optimal control application for an exoatmospheric interceptor

Author

Cragon, Stephen D.

Author_Institution

Coleman Res. Corp., Huntsville, AL, USA

fYear

1991

fDate

26-27 Mar 1991

Firstpage

31

Lastpage

36

Abstract

The optimum control solution for the capture of an exoatmospheric interceptor´s attitude and rate errors is derived. A practical application of the method is investigated by considering the timing constraints imposed by the pulsewidth modulation scheme, and, as a result, timing logic for the thruster firings is derived. The concept is verified by comparing a three-pulse capture with the optimum two-pulse capture and the two-pulse capture with wait time using a 6-DOF simulation of an exoatmospheric interceptor. This comparison demonstrates a considerable improvement in the response time of the control

Keywords

aerospace control; missiles; optimal control; 6-DOF simulation; exoatmospheric interceptor; optimum two-pulse capture; pulsewidth modulation; response time; three-pulse capture; thruster firings; time-optimal control; timing constraints; timing logic; Attitude control; Computer errors; Computer simulation; Equations; Error correction; Optimal control; Pulse width modulation; Testing; Torque measurement; Vehicles;

fLanguage

English

Publisher

ieee

Conference_Titel

Telesystems Conference, 1991. Proceedings. Vol.1., NTC '91., National

Conference_Location

Atlanta, GA

Print_ISBN

0-7803-0062-9

Type

conf

DOI

10.1109/NTC.1991.147983

Filename

147983