Attitude Dynamics/Control of Dual-Body Spacecraft with Variable-Speed Control Moment Gyros

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dc.contributor.authorRomano, Marcello
dc.contributor.authorAgrawal, Brij N.
dc.contributor.corporateSpacecraft Research and Design Center (SRDC)
dc.contributor.departmentMechanical and Aerospace Engineering (MAE)
dc.date.accessioned2013-07-18T19:18:22Z
dc.date.available2013-07-18T19:18:22Z
dc.date.issued2004
dc.descriptionThe article of record as published may be found at http://dx.doi.org/10.2514/1.2564en_US
dc.description.abstractThe dynamics equations of a spacecraft consisting of two bodies mutually rotating around a common gimbal axis are derived by the use of the Newton–Euler approach. One of the bodies contains a cluster of single-gimbal variable-speed control moment gyros. The equations include all of the inertia terms and are written in a general form, valid for any cluster configurations and any number of actuators in the cluster. A guidance algorithm has been developed under the assumption that the two bodies of the spacecraft are optically coupled telescopes that relay laser signals. The reference maneuver is found by the imposition of the connectivity between the source and the target on the ground. A new nonlinear control law is designed for the spacecraft attitude and joint rotation by the use of Lyapunov’s direct method. An acceleration-based steering law is used for the variable-speed control moment gyros. The analytical results are tested by numerical simulations conducted for both regulation and tracking cases.en_US
dc.identifier.citationAIAA Journal of Guidance, Control, and Dynamics, Vol. 27, No. 4, 2004,  pp. 513-525.
dc.identifier.urihttps://hdl.handle.net/10945/34502
dc.rightsThis publication is a work of the U.S. Government as defined
in Title 17, United States Code, Section 101. As such, it is in the
public domain, and under the provisions of Title 17, United States
Code, Section 105, is not copyrighted in the U.S.en_US
dc.titleAttitude Dynamics/Control of Dual-Body Spacecraft with Variable-Speed Control Moment Gyrosen_US
dc.typeArticle
dspace.entity.typePublication
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