Adaptive control with saturation-constrainted observations for drag-free satellites — a set-valued identification approach

• Published in: Science China. Information sciences Vol. 64; no. 10; p. 202202
• Main Authors: Tan, Shuping, Guo, Jin, Zhao, Yanlong, Zhang, Jifeng
• Format: Journal Article
• Language: English
• Published: Beijing Science China Press 01.10.2021; Springer Nature B.V
• Subjects: Adaptive control; Algorithms; Approximation; Closed loop systems; Closed loops; Computer Science; Constraints; Control theory; Controllers; Convergence; Design techniques; Drag; Equivalence principle; Feedback control; Gradiometers; Gravity gradient satellites; Identification; Information Systems and Communication Service; Magnetic measurement; Optimization techniques; Parameter estimation; Parameter identification; Research Paper; Satellite observation; Satellites; Science; Thresholds; adaptive control; saturation constraint; drag-free satellite; set-valued identification

The high-accuracy drag-free control is one of the key technologies for gravity gradient satellites. Since the range of the gravity gradiometer is limited, the measurement is subject to the saturation constraint. This paper introduces a design method of the adaptive drag-free control law by employing...