NDLI: Control of a dumbbell spacecraft using attitude and shape control inputs only

Content Provider	IEEE Xplore Digital Library
Author	Sanyal, A.K. Shen, J. McClamroch, N.H.
Copyright Year	2004
Description	Author affiliation: Dept. of Aerosp. Eng., Michigan Univ., Ann Arbor, MI, USA (Sanyal, A.K.; Shen, J.; McClamroch, N.H.)
Abstract	An elastic dumbbell spacecraft is assumed to consist of two identical mass particles that are connected by a long elastic link. The motion of the dumbbell spacecraft can be described by orbit, attitude and shape dynamics that arise due to gravitational forces, an elastic restoring force along the longitudinal axis of the spacecraft, and control forces that act to change the attitude and shape of the spacecraft. These control forces have the property that there is no net external force on the dumbbell spacecraft. Since the angular momentum of the spacecraft is necessarily conserved, Routh reduced equations of motion are developed that describe the reduced dynamics of the controlled spacecraft. The reduced equations of motion are developed; relative equilibria are determined, and simplified reduced equations, in a linear form, are obtained. These linear reduced equations demonstrate spacecraft controllability properties. It is shown that certain maneuvers, involving a change in orbit, can be accomplished using only attitude and shape control inputs. The proposed framework can be used to study this propulsion force approach to orbital maneuvers.
Sponsorship	American Automatic Control Council IFAC
Starting Page	1014
Ending Page	1018
File Size	336592
Page Count	5
File Format	PDF
ISBN	0780383354
ISSN	07431619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Shape control Space vehicles Attitude control Equations Force control Motion control Aerodynamics Controllability Weight control Propulsion
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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