A control technique is proposed for satellite attitude slew maneuvers, where the reference trajectory is specified as a function of time. A feedforward steering law, capable of avoiding singular states, is generated by a local optimization technique where, in the framework of integration methods, an inverse simulation problem is solved. A novel tracking controller is developed to account for model uncertainties and external disturbances. Physical limitations of the system in terms of maximum command rates and angles of gimbals and/or maximum command torque can be precisely accounted for in the determination of the control profile. Finally, the inverse simulation algorithm appears highly efficient in terms of computational time.
A Local Optimization Technique for Attitude Motion Tracking Using Control Moment Gyroscopes
J of Astronaut Sci
The Journal of the Astronautical Sciences ; 50 , 2 ; 213-229
01.06.2002
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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