This paper investigates the fixed-time attitude tracking control problem for rigid spacecraft with input quantization and external disturbances. A novel fixed-time disturbance observer is designed to estimate unknown disturbances. By using adding a power integrator technique, a fixed-time controller is constructed, which can guarantee system states converge to a neighborhood of origin in fixed time. The parameter of quantizer can be coarsely chosen. Finally, simulation results are employed to demonstrate the effectiveness of the developed control scheme.
Fixed-Time Attitude Tracking Control for Spacecraft With Input Quantization
IEEE Transactions on Aerospace and Electronic Systems ; 55 , 1 ; 124-134
01.02.2019
1710345 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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