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This paper presents a robust attitude coordination methodology for multiple-team spacecraft formation(MTSF) in presence of control input saturation. The main idea is to construct a novel sliding mode surface with a tunable vector having the following two properties: 1) the gradient of the tunable vector is related to saturation constraints; 2) the tunable vector has consensus-like property related...
Synthesis of observer-based LPV controllers is considered with a guaranteed upper bound on the worst-case energy gain from the disturbance input to the performance output. A potentially conservative solution was derived for this problem before based on LMI optimization accompanied with a line search over a scalar variable. A new solution is provided in this paper based on a similar optimization problem,...
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