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• W3119289712 abstract "Optimal state-feedback controllers, capable of changing between different objective functions, are advantageous to systems in which unexpected situations may arise. However, synthesising such controllers, even for a single objective, is a demanding process. In this paper, we present a novel and straightforward approach to synthesising these policies through a combination of trajectory optimisation, homotopy continuation, and imitation learning. We use numerical continuation to efficiently generate optimal demonstrations across several objectives and boundary conditions, and use these to train our policies. Additionally, we demonstrate the ability of our policies to effectively learn families of optimal state- feedback controllers, which can be used to change objective functions online. We illustrate this approach across two trajectory optimisation problems, an inverted pendulum swingup and a spacecraft orbit transfer, and show that the synthesised policies, when evaluated in simulation, produce trajectories that are near-optimal. These results indicate the benefit of trajectory optimisation and homotopy continuation to the synthesis of controllers in dynamic-objective contexts." @default.
• W3119289712 created "2021-01-18" @default.
• W3119289712 creator A5019272905 @default.
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• W3119289712 creator A5070754732 @default.
• W3119289712 date "2020-12-14" @default.
• W3119289712 modified "2023-10-03" @default.
• W3119289712 title "Learning Dynamic-Objective Policies from a Class of Optimal Trajectories" @default.
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• W3119289712 doi "https://doi.org/10.1109/cdc42340.2020.9303931" @default.
• W3119289712 hasPublicationYear "2020" @default.
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