Attitude coordinated output feedback control based on event triggering for multiple spacecrafts
Miao Xu, Yiming Fang, Jianxiong Li, Xiaodong Zhao · International Journal of Control · 2021
In this paper, the attitude cooperative output feedback control problem for multiple spacecrafts with limited communication resources is considered. First, a dynamic Event-Triggered Extended State Observer (ETESO) is developed for multiple spacecrafts to estimate the unmeasurable angular velocity, which can reduce the data-releasing rate. Second, a new distributed dynamic event-triggered communication scheme is proposed, which only adopts discrete information of neighbouring spacecrafts. Based on two independent dynamic event-triggered strategies, network load is reduced, and continuous communication between spacecrafts is avoided. The validity of the proposed controller is demonstrated by simulations.