Publication Details

SELECT * FROM publications WHERE Record_Number=10968
Reference TypeConference Proceedings
Author(s)Arenz, O.; Abdulsamad, H.; Neumann, G.
Year2016
TitleOptimal Control and Inverse Optimal Control by Distribution Matching
Journal/Conference/Book TitleProceedings of the International Conference on Intelligent Robots and Systems (IROS)
KeywordsImitation Learning, Inverse Optimal Control, Optimal Control
AbstractOptimal control is a powerful approach to achieve optimal behavior. However, it typically requires a manual specification of a cost function which often contains several objectives, such as reaching goal positions at different time steps or energy efficiency. Manually trading-off these objectives is often difficult and requires a high engineering effort. In this paper, we present a new approach to specify optimal behavior. We directly specify the desired behavior by a distribution over future states or features of the states. For example, the experimenter could choose to reach certain mean positions with given accuracy/variance at specified time steps. Our approach also unifies optimal control and inverse optimal control in one framework. Given a desired state distribution, we estimate a cost function such that the optimal controller matches the desired distribution. If the desired distribution is estimated from expert demonstrations, our approach performs inverse optimal control. We evaluate our approach on several optimal and inverse optimal control tasks on non-linear systems using incremental linearizations similar to differential dynamic programming approaches.
Link to PDFhttp://www.ausy.tu-darmstadt.de/uploads/Team/OlegArenz/OC and IOC By Matching Distributions_withSupplements.pdf

  

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