This research focuses on the development and application of three methods for the underactuated spacecraft attitude problem. The first method utilizes Solar Radiation Pressure (SRP) to restore linear controllability to a spacecraft with only two functional Reaction Wheels (RWs). The second method is concerned with the creation of drift sets that characterize initial conditions for a spacecraft with two RWs such that it can perform desired imaging missions given constraints and disturbances torques. The third method describes the use of a hybrid switching scheme for two external moments control and two internal moments control, as well as a Model Predictive Control (MPC) approach for two internal moments control. The advantage to these approaches are that they can be used for zero and nonzero angular momentum. Simulations are done on spacecraft nonlinear models to demonstrate each of the approaches.
Underactuated Spacecraft Control with Disturbance Compensation
2015
24 pages
Report
Keine Angabe
Englisch
Operations Research , Computers, Control & Information Theory , Astronautics , Unmanned Spacecraft , Spacecraft Trajectories & Flight Mechanics , Attitude control systems , Satellite attitude , Drift , Mathematical models , Reaction control systems , Torque , Reorientation , Mpc(model predictive control) , Srp(solar radiation pressure) , Underactuated spacecraft , Linear controllability , Rw(reaction wheel) , Disturbance compensation , Pe62601f , Wuafrlef122594
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