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Decision Support Models for A Few Cr...

Zhang, Ran.

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Decision Support Models for A Few Critical Problems in Transportation System Design and Operations.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Decision Support Models for A Few Critical Problems in Transportation System Design and Operations./
Author:	Zhang, Ran.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	112 p.
Notes:	Source: Dissertations Abstracts International, Volume: 78-10, Section: B.
Contained By:	Dissertations Abstracts International78-10B.
Subject:	Industrial engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10266741
ISBN:	9781369703092

Decision Support Models for A Few Critical Problems in Transportation System Design and Operations.
Zhang, Ran.

Decision Support Models for A Few Critical Problems in Transportation System Design and Operations. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 112 p.

Source: Dissertations Abstracts International, Volume: 78-10, Section: B.

Thesis (Ph.D.)--University of South Florida, 2017.

This item is not available from ProQuest Dissertations & Theses.

Transportation system is one of the key functioning components of the modern society and plays an important role in the circulation of commodity and growth of economy. Transportation system is not only the major influencing factor of the efficiency of large-scale complex industrial logistics, but also closely related to everyone's daily life. The goals of an ideal transportation system are focused on improving mobility, accessibility, safety, enhancing the coordination of different transportation modals and reducing the impact on the environment, all these activities require sophisticated design and plan that consider different factors, balance tradeoffs and maintaining efficiency. Hence, the design and planning of transportation system are strongly considered to be the most critical problems in transportation research. Transportation system planning and design is a sequential procedure which generally contains two levels: strategic and operational. This dissertation conducts extensive research covering both levels, on the strategic planning level, two network design problems are studied and on the operational level, routing and scheduling problems are analyzed. The main objective of this study is utilizing operations research techniques to generate and provide managerial decision supports in designing reliable and efficient transportation system. Specifically, three practical problems in transportation system design and operations are explored. First, we collaborate with a public transit company to study the bus scheduling problem for a bus fleet with multiples types of vehicles. By considering different cost characteristics, we develop integer program and exact algorithm to efficiently solve the problem. Next, we examine the network design problem in emergency medical service and develop a novel two stage robust optimization framework to deal with uncertainty, then propose an approximate algorithm which is fast and efficient in solving practical instance. Finally, we investigate the major drawback of vehicle sharing program network design problem in previous research and provide a counterintuitive finding that could result in unrealistic solution. A new pessimistic model as well as a customized computational scheme are then introduced. We benchmark the performance of new model with existing model on several prototypical network structures. The results show that our proposed models and solution methods offer powerful decision support tools for decision makers to design, build and maintain efficient and reliable transportation systems.

ISBN: 9781369703092Subjects--Topical Terms:

526216
Industrial engineering.
Subjects--Index Terms:

Approximation

Decision Support Models for A Few Critical Problems in Transportation System Design and Operations.
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245 1 0 $a Decision Support Models for A Few Critical Problems in Transportation System Design and Operations.
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300 $a 112 p.
500 $a Source: Dissertations Abstracts International, Volume: 78-10, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Zeng, Bo;Reeves, Kingsley A.
502 $a Thesis (Ph.D.)--University of South Florida, 2017.
506 $a This item is not available from ProQuest Dissertations & Theses.
506 $a This item must not be added to any third party search indexes.
506 $a This item must not be sold to any third party vendors.
520 $a Transportation system is one of the key functioning components of the modern society and plays an important role in the circulation of commodity and growth of economy. Transportation system is not only the major influencing factor of the efficiency of large-scale complex industrial logistics, but also closely related to everyone's daily life. The goals of an ideal transportation system are focused on improving mobility, accessibility, safety, enhancing the coordination of different transportation modals and reducing the impact on the environment, all these activities require sophisticated design and plan that consider different factors, balance tradeoffs and maintaining efficiency. Hence, the design and planning of transportation system are strongly considered to be the most critical problems in transportation research. Transportation system planning and design is a sequential procedure which generally contains two levels: strategic and operational. This dissertation conducts extensive research covering both levels, on the strategic planning level, two network design problems are studied and on the operational level, routing and scheduling problems are analyzed. The main objective of this study is utilizing operations research techniques to generate and provide managerial decision supports in designing reliable and efficient transportation system. Specifically, three practical problems in transportation system design and operations are explored. First, we collaborate with a public transit company to study the bus scheduling problem for a bus fleet with multiples types of vehicles. By considering different cost characteristics, we develop integer program and exact algorithm to efficiently solve the problem. Next, we examine the network design problem in emergency medical service and develop a novel two stage robust optimization framework to deal with uncertainty, then propose an approximate algorithm which is fast and efficient in solving practical instance. Finally, we investigate the major drawback of vehicle sharing program network design problem in previous research and provide a counterintuitive finding that could result in unrealistic solution. A new pessimistic model as well as a customized computational scheme are then introduced. We benchmark the performance of new model with existing model on several prototypical network structures. The results show that our proposed models and solution methods offer powerful decision support tools for decision makers to design, build and maintain efficient and reliable transportation systems.
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653 $a Approximation
653 $a Bi-level programming
653 $a Network design
653 $a Robust optimization
653 $a Scheduling
690 $a 0546
710 2 $a University of South Florida. $b Industrial and Management Systems Engineering. $3 2102438
773 0 $t Dissertations Abstracts International $g 78-10B.
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793 $a English
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