Title :
Generation of structural design constraints for spaceborne precision pointing systems
Author :
Becker, Gregory ; Cubalchini, Ronald ; Tham, Quang ; Anagnost, John
Author_Institution :
Commun. Controls & Navigation Lab., Raytheon Syst. Co., El Segundo, CA, USA
Abstract :
This paper formulates the problem of generating structural design constraints for spaceborne precision pointing systems as a robust performance problem. This problem is relevant during the initial requirement flow-down and preliminary design phase for these types of systems. Using a nominal controller design, which satisfies the performance requirements on a nominal plant model, frequency dependent uncertainty weights are chosen such that a compromise between simplicity in control architecture and feasibility of mechanical design are made. The analysis problem is formulated as a structural singular value test. The procedure is demonstrated on a single-axis model of a gimbal inertial pointing system when the inertial measurement device is either on or off the gimbal
Keywords :
MIMO systems; aerospace control; control system synthesis; frequency-domain analysis; inertial navigation; pointing systems; robust control; servomechanisms; space vehicles; MIMO systems; aerospace control; frequency domain analysis; gimbal pointing systems; inertial navigation; robust control; servomechanism; spacecraft; structural design; structural singular value test; Communication system control; Control systems; Coordinate measuring machines; Intelligent sensors; Laboratories; Navigation; Payloads; Robust control; Sensor systems; Space vehicles;
Conference_Titel :
Control Applications, 1999. Proceedings of the 1999 IEEE International Conference on
Conference_Location :
Kohala Coast, HI
Print_ISBN :
0-7803-5446-X
DOI :
10.1109/CCA.1999.806145