United States Department of Transportation
Models of Railroad Passenger-Car Requirements in the Northeast Corridor: Volume I. Formulation and Results
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1976-09-30
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English
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Abstract:Models and techniques for determining passenger-car requirements in railroad service were developed and applied by a research project of which this is the final report. The report is published in two volumes. This volume considers a general problem of determining optimal passenger-car allocations given a fixed schedule and predetermined demands. Requirements for car movements are modeled as a set of linear constraints having a transshipment structure, and alternative linear objectives are formulated. Various optimization techniques are developed for one or more objectives, and properties of the sets of optimal solutions are demonstrated. The remainder of Volume I shows how the linear model and optimization techniques may be applied to the Northeast Corridor. Derivations of a schedule and demands are explained, and results of a number of optimizations and analyses are displayed.
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Main Document Checksum:urn:sha256:4329cb6e785ab8444b383ca93bfbad6f0129c496d9926ca0b9ff08b41cbd6b09
File Language:
English
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