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The CMS Final Center Report for 2007-2013 is now posted. To view, go to Annual Reports.

The CMS has completed 4 years of projects. To view all final reports, go to Completed Projects.



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Distinguished Lecturer in Transportation - ABSTRACT

Samer Madanat, Ph.D., University of Californa at Berkeley

Title: Optimization of maintenance and replacement policies for a system of heterogeneous infrastructure facilities

Abstract: This research addresses the determination of optimal maintenance and replacement policies for a system of heterogeneous facilities. The problem of optimizing maintenance and replacement policies at the system level is formulated in a reliability-based framework, based on policies that are optimal at the facility level. The facility-level policies are determined using a finite-state, finite horizon Markov decision process in which the state of the Markov chain contains information on the history of maintenance and deterioration. Optimality conditions for the continuous-case system-level problem are derived and explained intuitively. A numerical study shows that the results obtained in the discrete-case implementation of the solution are valid approximations of the continuous-case results. The computational efficiency of the system-level solution makes the formulation suitable for systems of realistic sizes.

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