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30 October 2006 Dynamic feedback linearization control of spacecraft with flexible appendages based on extended state observer
Jinli Chen, Donghai Li, Xianfang Sun
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Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 63583F (2006) https://doi.org/10.1117/12.718060
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China
Abstract
A dynamic feedback linearization control approach is designed in this paper for the pitch angle trajectory control and vibration suppression of a flexible spacecraft. Using the extended state observer, the pitch rate and entire unknown dynamics can be estimated, so only pitch angle is needed to measure in the feedback linearization control. The expression of the control law is simple, and few observer parameters need to be tuned. These all reduce the engineering difficulty greatly. The design of this control law does not depend on elastic modes included in the spacecraft model. Simulation results are presented to show that, the control law designed can ensure that pitch angle maneuver to its target precisely and smoothly, and elastic vibration is suppressed effectively.
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Jinli Chen, Donghai Li, and Xianfang Sun "Dynamic feedback linearization control of spacecraft with flexible appendages based on extended state observer", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 63583F (30 October 2006); https://doi.org/10.1117/12.718060
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KEYWORDS
Feedback control
Space operations
Control systems
Error analysis
Vibration control
Control systems design
Complex systems
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