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Jingbo Fu,Ming Liu,Huayi Li,Xibin Cao 제어·로봇·시스템학회 2019 International Journal of Control, Automation, and Vol.17 No.7
This paper studies the coordinated attitude control problem of synthetic aperture radar satellites andproposes two types of terminal sliding mode control schemes. The first control law is investigated based on theconventional non-singular terminal sliding mode approach and modified Rodrigues parameters with the consideration of signal quantization and communication delay. Based on the first control scheme, we develop the secondcontrol method with an integral-based event triggering condition to reduce the updating frequency of the controlcommand from controllers to actuators. Finally, numerical simulation examples based on a cluster of three satellitesare presented to show the effectiveness of the proposed two designed control methods.