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Optimal control as a graphical model inference problem
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Journal Article
Optimal control as a graphical model inference problem
2012
Overview
We reformulate a class of non-linear stochastic optimal control problems introduced by Todorov (in Advances in Neural Information Processing Systems, vol. 19, pp. 1369–1376,
2007
) as a Kullback-Leibler (KL) minimization problem. As a result, the optimal control computation reduces to an inference computation and approximate inference methods can be applied to efficiently compute approximate optimal controls. We show how this KL control theory contains the path integral control method as a special case. We provide an example of a block stacking task and a multi-agent cooperative game where we demonstrate how approximate inference can be successfully applied to instances that are too complex for exact computation. We discuss the relation of the KL control approach to other inference approaches to control.
Publisher
Springer US,Springer,Springer Nature B.V
Subject
/ Calculus of variations and optimal control
/ Control
/ Exact sciences and technology
/ Games
/ Information, signal and communications theory
/ Natural Language Processing (NLP)
/ Operational research and scientific management
/ Operational research. Management science
/ Robotics
/ Sciences and techniques of general use
/ Stacking
/ Tasks
