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 67 for “"vehicle routing problem"”.
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The hazardous materials vehicle routing problem
… the transportation process hazmat transportation problems have become a popular research topic in the field of operations research. This thesis contributes to the ongoing research on the hazmat transportation problem. It provides an extensive overview of the existing literature on the hazardous …
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THE VEHICLE ROUTING PROBLEM WITH DEMAND RANGES
The classic Capacitated Vehicle Routing Problem (CVRP) has been studied in the Operations Research field for over 5 decades. This thesis formulates the vehicle routing problem with a variation that has not been studied in detail. It is called the Vehicle Routing Problem with Demand Ranges (VRPDR). …
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A tabu search algorithm for the vehicle routing problem with time windows
Includes bibliographic references.
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Leveraging machine learning to solve The vehicle Routing Problem with Time Windows
The Vehicle Routing Problem with Time Windows (VRPTW) has been widely studied in the Operations Research (OR) literature given its increasingly widespread applications, ranging from school bus scheduling to packages delivery. In the last decades, and in large part due to the surge in e-commerce and …
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Influence of Customer Locations on Heuristics and Solutions for the Vehicle Routing Problem
The vehicle routing problem (VRP) determines preferred vehicle routes to visit multiple customer locations from a depot location based on a defined objective function. The VRP is an NP-hard network optimization problem that is challenging to solve to optimality. Over the past 60 years, multitudes …
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Modeling and Solving Variants of the Vehicle Routing Problem: Algorithms, Test Problems, and Computational Results
In the standard version of the capacitated vehicle routing problem (VRP), a sequence of deliveries is generated for each vehicle in a homogeneous fleet based at a single depot so that all customers are serviced and the total distance traveled by the fleet is minimized. Each vehicle has a fixed …
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The Development of an IoT-Enabled Solid Waste Management System for a Smart City using Capacitated Vehicle Routing Problem and Agent-Based Simulation
… model to optimise truck scheduling and routing by minimising total travel distance and CO2 emissions. The proposed smart system was designed through a methodological review of recent technologies, scientific studies, and waste management challenges in developing countries. An agent-based …
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Designing a biodiesel supply chain in Mexico City
… optimizing the feedstock supply chain through a vehicle routing problem with time constraints in order to maximize the cost performance of the business. TransCAD transportation planning software was used to solve the vehicle routing problem through different scenarios that included 263 WVO stops …
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Multi-Objective evolutionary algorithms for vehicle routing problems
The Vehicle Routing Problem, which main objective is to find the lowest-cost set of routes to deliver goods to customers, has many applications in transportation services. In the past, costs have been mainly associated to the number of routes and the travel distance, however, in real-world problems …
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Robust vehicle routing in disaster relief and ride-sharing: models and algorithms
<p>In this dissertation, the variants of vehicle routing problems (VRPs) are specifically considered in two applications: disaster relief routing and ride-sharing. In disaster relief operations, VRPs are important, especially in the immediate response phase, as vehicles are an essential part of the …
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Logística verde en Fontibón: estrategia de rutas sostenibles para Servientrega
… rutas de última milla mediante un modelo Green Vehicle Routing Problem (Green VRP), la investigación surge ante los altos niveles de congestión, costos operativos y emisiones contaminantes asociados al transporte urbano de mercancías en una de las zonas logísticas más importantes de la ciudad, …
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Evolutionary computing for routing and scheduling applications
… solutions until no better solution can be found. Routing and scheduling are among two of the famous combinatorial optimization problems that usually engage with large-scale complicated problems. In other words, routing and scheduling algorithms need to produce feasible solutions that optimize …
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Optimizing the B.O.B.
… accessibility of the B.O.B. We first used the vehicle routing problem to develop a binary integer linear programming model. This allowed us to determine a new set of routes that minimize total travel time across the routes. Next, we developed an integer non-linear programming model to assign a …
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Optimizing Pollution Routing Problem
… Despite the growing use and impact of commercial vehicles, recent research has been conducted with minimizing pollution as the primary objective to be reduced. The objective of this project is to implement different optimization algorithms to solve this problem. A basic model is created using the …
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A computational study of flexible routing strategies for the VRP with stochastic demands
… and numerically test a new strategy for the vehicle routing problem with stochastic customer demands. In our proposed approach, drivers are assigned to predetermined delivery routes in which adjacent routes share some customers. This overlapping assignment structure, which is inspired by the …
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Privacy Risk Mitigation Strategies for Drone Package Delivery
Uncrewed aerial vehicles (UAVs), or drones, are increasingly used to deliver goods. In an emerging business model, a drone operator partners with multiple businesses to offer drone delivery as a service. Due to regulations requiring drones to broadcast position information, this business model …
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Behavioral Logistics and Fatigue Management in Vehicle Routing and Scheduling Problems
The vehicle routing problem (VRP), is a classic optimization problem that aims to determine the optimal set of routes for a fleet of vehicles to meet the demands of a set of customers. The VRP has been studied for many decades and as such, there are many variants and extensions to the original …
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A profit maximization model in a two-echelon supply chain management : distribution and pricing strategies
… chain management. Heuristic approaches to the vehicle routing problem (VRP) are usually used to design optimal delivery routes to serve geographically dispersed customers, who are price elastic. There is a rich literature discussing either the manufacturer's distribution strategy or its pricing …
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Modeling, Analysis, and Exact Algorithms for Some Biomass Logistics Supply Chain Design and Routing Problems
… focuses on supply chain design and logistics problems with emphasis on biomass logistics and routing problems. In biomass logistics, we have studied problems arising in a switchgrass-based bio-ethanol supply chain encountered in the Southeast, and a corn stover harvest scheduling problem faced …
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