Adaptive dynamic event-triggered deployment control for space triangle tethered formation system with external disturbance

Dynamic event‐triggered orbit coordination for spacecraft formation via a self‐learning sliding mode control approach

“…12 Therefore, DET mechanism-based distributed coordination control for SFF systems with limited communications has been a focus, of which recent progresses have been reported. [13][14][15][16][17] For the SFF systems without the velocity measurement unit, extended state observer (ESO)-based adaptive sliding mode control (SMC) strategy with the DET mechanism is considered, and a finite-time ESO is used to observe external disturbances while a fast terminal SMC law is developed for finite-time orbit coordination. 13 A DET mechanism-based adaptive SMC law is designed to achieve configuration maintenance and reconfiguration for drag-free spacecraft inner-formation.…”

“…14 Based on adaptive integral sliding mode strategy, the DET mechanism-based finite-time formation configuration issue for space tethered system with limited communications is investigated, and an adaptive neural network estimator is applied to approximate system coupling nonlinearities. 15 A DET mechanism-based adaptive appointed-time formation tracking control approach is proposed for multiple spacecraft formation with collision avoidance. 16 The issue of DET mechanism-based adaptive optimal tracking control for SFF systems with event-trigger input is studied, and a single-critic adaptive neural network is developed to approximate the optimal cost function.…”

“…16 The issue of DET mechanism-based adaptive optimal tracking control for SFF systems with event-trigger input is studied, and a single-critic adaptive neural network is developed to approximate the optimal cost function. 17 In the above literatures, [13][14][15][16][17] various DET mechanisms are applied to reduce communication burden in orbit coordination control under limited communications. Nevertheless, coordination control performance is not well considered for SFF systems.…”

“…Therefore, compared with the ETC mechanism, the DET one can reduce more unnecessary information transmission, meanwhile have more advantages in avoided Zeno behavior 12 . Therefore, DET mechanism‐based distributed coordination control for SFF systems with limited communications has been a focus, of which recent progresses have been reported 13–17 …”

“…A DET mechanism‐based adaptive SMC law is designed to achieve configuration maintenance and reconfiguration for drag‐free spacecraft inner‐formation 14 . Based on adaptive integral sliding mode strategy, the DET mechanism‐based finite‐time formation configuration issue for space tethered system with limited communications is investigated, and an adaptive neural network estimator is applied to approximate system coupling nonlinearities 15 . A DET mechanism‐based adaptive appointed‐time formation tracking control approach is proposed for multiple spacecraft formation with collision avoidance 16 .…”