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Abstract: In this article, a robust attitude tracking controller is designed for a dumbbell-shaped flexible spacecraft (D-SFS) subject to actuator saturation and the velocity constraint of attitude ...

Mr. Witt is the author of “The Radical Fund: How a Band of Visionaries and a Million Dollars Upended America.” As democracy in the United States spirals into a widening gyre of distrust, demagogy and ...

Abstract: Inspired by the fusion of state optimization and finite-time convergence, the finite-time optimal control (FTOC) for the affine-form nonlinear systems is investigated in this article. To ...