Finite-time integrated target tracking for spacecraft with two-dimensional turntable under performance constraints

The finite-time integrated tracking control scheme for spacecraft with two-dimensional turntable is investigated under the performance constraints. First, an integrated attitude error model of the spacecraft platform and turntable is constructed based on the D’Alembert principle, and the expected an...

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Bibliographic Details
Published in:Nonlinear dynamics 2023-08, Vol.111 (16), p.15075-15089
Main Authors: Sun, Yue, Guo, Yanning, Lyu, Yueyong, Gong, Youmin, Zhu, He
Format: Article
Language:English
Subjects:
Algorithms
Angular acceleration
Automotive Engineering
Classical Mechanics
Constraint modelling
Control
Control algorithms
Control systems design
Control theory
Controllers
Design
Dynamic response
Dynamical Systems
Energy consumption
Engineering
Mechanical Engineering
Neural networks
Original Paper
Robots
Spacecraft
Spacecraft tracking
Tracking control
Tracking errors
Turntables
Velocity
Vibration
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Summary:The finite-time integrated tracking control scheme for spacecraft with two-dimensional turntable is investigated under the performance constraints. First, an integrated attitude error model of the spacecraft platform and turntable is constructed based on the D’Alembert principle, and the expected angular acceleration is treated as a disturbance in the controller design. Next, a predefined-time observer is applied to handle external disturbance and expected angular acceleration. Furthermore, a novel performance function is designed to constrain the dynamic response process of the attitude-tracking error. Based on the performance function, the sliding surface is designed, and a finite-time tracking controller is developed, which can ensure fast convergence of tracking errors. To prevent the tracking errors breaking the performance function, the controller gain is adjusted by the performance function. At last, numerical simulation is performed to verify the feasibility and effectiveness of the proposed algorithm.
ISSN:0924-090X
1573-269X
DOI:10.1007/s11071-023-08645-x