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Content Provider | IEEE Xplore Digital Library |
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Author | Ono, M. Kuwata, Y. Balaram, J. |
Copyright Year | 2012 |
Description | Author affiliation: Keio University, Kanagawa, Japan (Ono, M.) || Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, USA (Kuwata, Y.; Balaram, J.) |
Abstract | This paper presents a novel joint chance-constrained dynamic programming algorithm, which explicitly bounds the probability of failure to satisfy given state constraints. Existing constrained dynamic programming approaches cannot handle a joint chance constraint since their application is limited to constraints in the same form as the cost function, that is, an expectation over a sum of one-stage costs. We overcome this challenge by reformulating the joint chance constraint into a constraint on an expectation over a sum of indicator functions, which can be incorporated into the cost function by dualizing the optimization problem. As a result, the primal variables can be optimized by a standard dynamic programming, while the dual variable is optimized by a root-finding algorithm that converges exponentially. Error bounds on the primal and dual objective values are rigorously derived. We demonstrate the algorithm on a path planning problem, as well as an optimal control problem for Mars entry, descent and landing. The simulations are conducted using a real terrain data of Mars, with four million discrete states at each time step. |
Starting Page | 1915 |
Ending Page | 1922 |
File Size | 824895 |
Page Count | 8 |
File Format | |
ISBN | 9781467320658 |
ISSN | 07431546 |
e-ISBN | 9781467320665 |
e-ISBN | 9781467320641 |
DOI | 10.1109/CDC.2012.6425906 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2012-12-10 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Linear programming Joints Heuristic algorithms Approximation methods Dynamic programming Cost function |
Content Type | Text |
Resource Type | Article |
Subject | Control and Optimization Control and Systems Engineering Modeling and Simulation |
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