Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 26 for “"Facility Location Problem"”.
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The Facility Location Problem
<p>The purpose of this study was to analyze the location of an emergency facility location within a town based on given information from the village and to use the results to determine the optimal location for an emergency facility. A model of the problem was developed using a spreadsheet and …
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A Study on Integrated Transportation and Facility Location Problem
… this thesis is the development and solution of problems that simultaneously involve the planning of the location of facilities and transportation decisions from such facilities to consumers. This has been termed integrated distribution planning problems with practical application in logistics …
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A SPECIAL FACILITY LOCATION PROBLEM APPLICABLE TO THE POSTAL SERVICE NETWORK OPTIMAL DESIGN
A special facility location problem is discussed which is applicable to the design problem of a postal service network. The cost objective of this problem includes a nonlinear concave component. In addition, there is a workload balancing requirement among all facilities for which an appropriate …
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Investigating the Maximal Coverage by Point-based Surrogate Model for Spatial Facility Location Problem
Spatial facility location problems (SFLPs) involve the placement of facilities in continuous demand regions. One approach to solving SFLPs is to aggregate demand into discrete points, and then solve the point-based model as a conventional facility location problem (FLP) according to a surrogate …
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Approximation algorithms for multi-facility location
… to obtain acceptable solutions for the location of several facilities to serve customer sites. The general version of facility location problem is known to be NP-hard; For locating multiple facilities we use Voronoi diagram of initial facility locations to partition the customer sites …
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Two-Stage Stochastic Mixed Integer Nonlinear Programming: Theory, Algorithms, and Applications
… introduce a multi-module capacitated stochastic facility location problem and TSS-CMIPs with structured CMIPs in the second stage to demonstrate the significance of the foregoing results for solving these problems. In the second direction, we propose risk-neutral and risk-averse two-stage …
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Parametric approaches to fractional programs: Analytical and empirical study
<p>Fractional programming is used to model problems where the objective function is a ratio of functions. A parametric modeling approach provides effective technique for obtaining optimal solutions of these fractional programming problems. Although many heuristic algorithms have been proposed and …
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ΕΠΙΛΥΣΗ ΠΡΟΒΛΗΜΑΤΩΝ ΧΩΡΟΘΕΤΗΣΗΣ ΚΕΝΤΡΩΝ ΠΑΡΟΧΗΣ ΥΠΗΡΕΣΙΩΝ ΣΕ ΔΙΚΤΥΟ
THE SUBJECT OF THIS THESIS IS THE SOLUTION OF THE FACILITY LOCATION PROBLEM (FLP) IN SUCH WAY THAT ANY DEMAND POINT CAN BE SERVICED BY A FLP IN A TIME-DISTANCE LESS THAN A GIVEN T (PROBLEM (F)). PROBLEM (F) BELONGS TO THE WELL KNOWN CATEGORY OF NP-HARD PROBLEMS AND UNTIL NOW IT IS TACKLED UNDER THE …
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Quantitative Methods For Select Problems In Facility Location And Facility Logistics
<p>This dissertation presented three logistics problems. The first problem is a parallel machine scheduling problems that considers multiple unique characteristics including release dates, due dates, limited machine availability and job splitting. The objective of is to minimize the total amount of …
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Optimally Locating Facilities with Variable Characteristics
Facility location problems aim at optimally locating facilities like plants, warehouses, convenience stores, shopping malls etc. They can have different objectives such as maximizing the profit gained from the customers or minimizing the costs of locating facilities and serving the customers. In …
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A methodology for locating fire stations at airports
A methodology is developed to determine the locations of the fewest number of fire stations at an airport such that two guidelines, recommended to the Federal Aviation Administration, are met. The first guideline stipulates that airport fire vehicles must be capable of reaching any potential crash …
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Driving Optimization Centered Upstream Petroleum Operations in the Denver-Julesburg Basin
… resource planning. Three classic optimization problems are applied to an upstream petroleum producer to demonstrate the use of optimization and potential applications to address resource constraints and the sociotechnical system using Operations Research and Systems Thinking – the Traveling …
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On the optimal location of transmitters for micro-cellular radio communication system design
… research aims at solving an engineering design problem encountered in the field of wireless communication systems using mathematical programming techniques. The problem addressed is an indispensable part of micro-cellular radio system design. It involves an optimal location of radio …
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A hybrid crow search-based method for solving the closed loop supply chain network design
… a hybrid optimization framework for large-scale facility location and Closed-Loop Supply Chain Network Design (CLSCND). The main contribution is a decomposition-based method that combines a Binary Crow Search Algorithm (BinCSA) with Mixed-Integer Linear Programming (MILP) exact refinement: BinCSA …
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Facility location and the analysis of algorithms through factor-revealing programs
In the metric uncapacitated facility location problem (UFLP), we are given a set of clients, a set of facilities, an opening cost for each facility, and a connection cost between each client and each facility satisfying the metric inequality. The objective is to open a subset of facilities and …
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Sampling based progressive hedging algorithms for stochastic programming problems
<p>Many real-world optimization problems have parameter uncertainty. For instances where the uncertainties can be estimated to a certain degree, stochastic programming (SP) methodologies are used to identify robust plans. Despite advances in SP, it is still a challenge to solve real world …
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Software based network optimization for a large manufacturer
… at reducing the number of Delivery Center locations and the possibility of doing away with the Central Distribution Centers where shipments from the plants are consolidated for shipment to the DCs. This study aims to address the following related issues: What is the impact of reducing the …
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Probabilistic formulations of some facility location problems
The area of facilities location covers a wide variety of problems involving both public and private sector applications. To date, the study of location problems has been restricted primarily to deterministic formulations of the problem. The present research effort investigates the effect of random …
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Novel Integer Optimization Methods and their Applications in Biomass Supply Chain and Power Dominating Set
Integer optimization (IO) problems arise in research areas and our daily life almost in every aspect. IO formulations and methods can be adopted to make optimal decisions for solution-searching and management with global optimization. Two main areas of applications of IO are studied in the …
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Distributionally robust solution schemes for two-stage optimization and interdiction problems under uncertainty
… uncertain parameters to formulate the decision problems. Despite its wide applications in real-world problems, optimization under uncertainty gives rise to computational challenges. This thesis aims to design tractable solution schemes with performance guarantees for two-stage optimization and …
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