Fixed-Time Attitude Tracking Control for Spacecraft With Input Quantization

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...

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Bibliographic Details
Published inIEEE transactions on aerospace and electronic systems Vol. 55; no. 1; pp. 124 - 134
Main Authors Sun, Haibin, Hou, Linlin, Zong, Guangdeng, Yu, Xinghuo
Format Journal Article
LanguageEnglish
Published New York IEEE 01.02.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Aerodynamics
Asymptotic stability
Attitude control
Attitude tracking
Disturbance observers
fixed-time controller
fixed-time disturbance observer
input quantization
Measurement
Quantization (signal)
rigid spacecraft
Space vehicles
Spacecraft attitude control
Spacecraft tracking
Stability analysis
Tracking control
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Summary: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.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.2018.2849158