Analytical and experimental investigation of output feedback vs linear quadratic regulator

This paper presents analytical and experimental comparisons of three control laws for a laboratory structure designed to simulate large space structures. The first control law is the standard time-invariant linear quadratic regulator with state estimation, which requires model reduction for practica...

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Veröffentlicht in:Journal of guidance, control, and dynamics control, and dynamics, 1990-01, Vol.13 (1), p.160-167
Hauptverfasser: MARTINOVIC, ZORAN N., CHAMEL, II, GEORGE C., AFTKA, RAPHAEL T., ALLAUER, WILLIAM L.
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container_issue 1
container_start_page 160
container_title Journal of guidance, control, and dynamics
container_volume 13
creator MARTINOVIC, ZORAN N.
CHAMEL, II, GEORGE C.
AFTKA, RAPHAEL T.
ALLAUER, WILLIAM L.
description This paper presents analytical and experimental comparisons of three control laws for a laboratory structure designed to simulate large space structures. The first control law is the standard time-invariant linear quadratic regulator with state estimation, which requires model reduction for practical implementation. This model reduction may lead to spillover instability. Two simple direct output feedback controls laws guaranteeing stability are proposed. One minimizes the maximum control force, and the other minimizes the same quadratic performance index as the linear quadratic regulator. The three control laws are found to give comparable performance for the modes retained in the reduced model.
doi_str_mv 10.2514/3.20530
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source NASA Technical Reports Server; Alma/SFX Local Collection
subjects Aerospace engineering
Design
Kalman filters
Laboratories
Linear quadratic regulator
Noise
Output feedback
Sensors
Spacecraft Design, Testing And Performance
Systems stability
title Analytical and experimental investigation of output feedback vs linear quadratic regulator
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