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Chatter Avoidance in Delayed Feedback Attitude Control with MRP Shadow Set Switching

By Ehsan Samiei and Eric A. Butcher


The chattering response at the MRP shadow set switching point for the controlled attitude dynamics of a rigid tumbling spacecraft using delayed state feedback control with MRPs is investigated, where the time delay is assumed to be in the measurement of the state. In addition, a strategy to reduce or completely avoid the chattering phenomena using a hysteretic boundary layer switching rule is employed. Simulations are performed to demonstrate the chattering phenomenon and the advantages of the modified MRP shadow set switching rule

Topics: Electrical Engineering and Systems Science - Systems and Control, Mathematics - Dynamical Systems, Mathematics - Optimization and Control
Year: 2015
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