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M. Milenkovic¹, N. Bojovic¹ and R. Nuhodzic²

¹Division for Management in Railway, Rolling stock and Traction, The Faculty of Transport and Traffic Engineering, University of Belgrade, Serbia
²Railway Infrastructure of Montenegro, Podgorica, Montenegro

doi:10.4203/ccp.104.289

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M. Milenkovic, N. Bojovic, R. Nuhodzic, "An Optimal Control Model for Rail Freight Car Fleet Sizing Problem", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 289, 2014. doi:10.4203/ccp.104.289

Keywords: model predictive control, railway, freight cars, fleet size, allocation.

Summary

The transport of goods as the core of operation in every railway company is performed by allocation of rail freight cars. Rail freight car fleet represents the most valued asset of a railway company. In this paper, a linear dynamic model of rail car flows (loaded and empty) in a network is developed as the basis for using the optimal control theory to solve for the fleet size to support a total minimum cost solution. More specifically, a model predictive control approach to the problem of simultaneous optimization the rail freight car fleet size and allocation will be made by considering the rail freight car demand as deterministic one. An optimal controller, with a quadratic performance criterion and a discrete linear system model of the dynamics of the number of cars by stations subject to constraints on states, inputs and capacities can be used for making the fleet investment decisions. Numerical example is given to illustrate the model and solution methodology.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 104 PROCEEDINGS OF THE SECOND INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo Paper 289 An Optimal Control Model for Rail Freight Car Fleet Sizing Problem M. Milenkovic¹, N. Bojovic¹ and R. Nuhodzic² ¹Division for Management in Railway, Rolling stock and Traction, The Faculty of Transport and Traffic Engineering, University of Belgrade, Serbia ²Railway Infrastructure of Montenegro, Podgorica, Montenegro doi:10.4203/ccp.104.289 purchase the full-text of this paper Full Bibliographic Reference for this paper M. Milenkovic, N. Bojovic, R. Nuhodzic, "An Optimal Control Model for Rail Freight Car Fleet Sizing Problem", in J. Pombo, (Editor), "Proceedings of the Second International Conference on Railway Technology: Research, Development and Maintenance", Civil-Comp Press, Stirlingshire, UK, Paper 289, 2014. doi:10.4203/ccp.104.289 Keywords: model predictive control, railway, freight cars, fleet size, allocation. Summary The transport of goods as the core of operation in every railway company is performed by allocation of rail freight cars. Rail freight car fleet represents the most valued asset of a railway company. In this paper, a linear dynamic model of rail car flows (loaded and empty) in a network is developed as the basis for using the optimal control theory to solve for the fleet size to support a total minimum cost solution. More specifically, a model predictive control approach to the problem of simultaneous optimization the rail freight car fleet size and allocation will be made by considering the rail freight car demand as deterministic one. An optimal controller, with a quadratic performance criterion and a discrete linear system model of the dynamics of the number of cars by stations subject to constraints on states, inputs and capacities can be used for making the fleet investment decisions. Numerical example is given to illustrate the model and solution methodology. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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