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Matched disturbance rejection for energy-shaping controlled underactuated mechanical systems (1708.09562v1)
Published 31 Aug 2017 in cs.SY
Abstract: In this paper, we present a method of applying integral action to enhance the robustness of energy shaping controllers for underactuated mechanical systems with matched disturbances. Previous works on this problem have required a number of technical assumptions to be satisfied, restricting the class of systems for which the proposed solution applies. The design proposed in this paper relaxes some of these technical assumptions.