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 137 for “"Origin-destination"”.
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Multiclass Origin-Destination Estimation Using Multiple Data Types
Estimating O-D tables for trucks is of substantial interest due to different emission characteristics, pavement damage, etc of trucks. This thesis proposes a bilevel optimization model and corresponding solution method for static multi-class O-D estimation using various types of data. Limited …
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Understanding bus passenger crowding through origin destination inference
… This thesis explores the use of passenger origin-destination inference to measure passenger crowding on buses using the Massachusetts Bay Transportation Authority (MBTA) bus network as a case study. There are three primary components of this research: vehicle trip level origin destination …
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Planning transit networks with origin, destination, and interchange inference
… potential to be very useful to service planners: origin, destination, and interchange inference (ODX), which uses farecard and vehicle location data to provide a previously unavailable level of geographically precise disaggregate data on passengers' linked trips. This research develops a framework …
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Estimation of origin-destination flows for dynamic traffic assignment
… proposes a framework and method for dynamic origin-destination demand estimation. OD estimation is a critical component of a Dynamic Traffic Assignment system in that it determines the frequencies of drivers' trips through a network. The OD estimation method presented here allows for tunable …
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Estimation and prediction of time-dependent origin-destination flows
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
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Observability of Origin-Destination matrices for Dynamic Traffic Assignment
The estimation of dynamic Origin-Destination (O-D) matrices from aggregated sensor counts is one of the most important and well-researched problems in Dynamic Traffic Assignment (DTA) systems. In practice, more often than not, number of sensors are far less than the number of potential O-D pairs, …
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Bus network sketch planning with origin-destination travel data
… public transport planning by combining origin-destination (OD) level analysis with new spatial aggregation methodologies, and develops a comprehensive framework for the identification of corridors for new bus services. In the context of this framework, this dissertation contributes …
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Comparison of optimization techniques for origin-destination seat inventory control
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1988.
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Investigation of competitive impacts of origin-destination control using PODS
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.
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Revenue management for airline alliances : passenger origin-destination simulation analysis
… using a computer tool called the Passenger-Origin Destination Simulator. The performance of current revenue management methods was assessed in a hypothetical environment, which modeled the hub-and-spoke US domestic market. In this environment, an alliance of two airlines competed against …
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Bus passenger Origin-Destination Matrix estimation using Automated Data Collection systems
… of an algorithm to estimate a Bus Passenger Trip Origin-Destination Matrix (OD Matrix) based on ADC system archived data including Automated Fare Collection (AFC data, Automatic Passenger Count (APC data, and Automatic Vehicle Location (AVL) data. This algorithm consists of three steps: data …
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Joint calibration of a microscope traffic simulator and estimation of origin-destination flows
… traffic simulator along with estimation of Origin- Destination (OD) flows has been developed. The developed framework takes into account the interactions between the various model parameters and the OD flows. An optimization-based framework has been proposed for the joint calibration of …
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Geovisualization and Open-Source Web Mapping of Big Origin-Destination Data, a Test Case
… move. While migration data are powerful, the origin-destination (O-D), tabular format of the data can be hard to interpret. To make O-D data more powerful, geographers can lean on computer cartography and new geovisualization techniques to help decision makers make sense of large, complex …
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Modeling airline passenger choice : passenger preference for schedule in the passenger origin-destination simulator (PODS)
… represent that choice situation in the Passenger Origin-Destination Simulator (PODS) was undertaken for two reasons. First, the development of computational capabilities has lead to advancements in consumer choice theory that enabled the implementation of more flexible models like mixed logit …
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Bus passenger origin-destination estimation and travel behavior using automated data collection systems in London, UK
… planning with a focus on bus passenger Origin-Destination (OD) inferences at the bus-route level and on travel behavior, using London as an example. This research demonstrates the feasibility and ease of applying the trip-chaining method to infer bus passengers' boarding and alighting …
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A Method to Enhance the Performance of Synthetic Origin-Destination (O-D) Trip Table Estimation Models
The conventional methods of determining the Origin-Destination (O-D) trip tables involve elaborate surveys, such as home interviews, requiring considerable time, manpower and funds. To overcome this drawback, a number of theoretical models that synthesize O-D trip tables from link volume data have …
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A linear programming approach for synthesizing origin-destination (O-D) trip tables from link traffic volumes
… is motivated by the need to quickly obtain origin-destination (0-0) trip information for an urban area, without expending the excessive time and effort usually accompanying survey-based methods. The intent is to utilize this information to facilitate diversion of traffic in real time, in the …
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Dynamic estimation of origin-destination trip-tables from real-time traffic volumes using parameter optimization methods
… yet accurate, procedure for estimating an origin-destination (O-D) trip-table based on entering and exiting traffic volume data for a given freeway section. These tables help in on-line control of traffic facilities, and consequently, are of significant use in alleviating traffic …
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A Linear Programming Method for Synthesizing Origin-Destination (O-D) Trip Tables from Traffic Counts for Inconsistent Systems
Origin-Destination (O-D) trip tables represent the demand-supply information of each directed zonal-pair in a given region during a given period of time. The effort of this research is to develop a linear programming methodology for estimating O-D trip tables based on observed link volumes. In …
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A linear programming approach for synthesizing origin-destination (O-D) trip tables based on a partial set of link traffic volumes
… is motivated by the need to quickly obtain origin-destination (O-D) trip information for an urban area, without expending the excessive time and effort usually accompanying survey-based methods. The proposed approach aims to exploit the information contained even in a "partial set" of …
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