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 39 for “"AVL"”.
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Avl And Response Time Reduction: Image And Reality
Automatic vehicle locator (AVL) systems, utilizing military's global positioning system, may impact response time to law enforcement calls for service. In order to evaluate the impacts of AVL on response time to calls for service at the Altamonte Springs Police Department (ASPD), computer aided …
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Understanding bus travel time variation using AVL data
The benefits of bus automatic vehicle location (AVL) data are well documented (see e.g., Furth et al. (2006)), ranging from passenger-facing applications that predict bus arrival times to service-provider-facing applications that monitor network performance and diagnose performance failures. …
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Understanding bus service reliability : a practical framework using AVL/APC data
… technologies such as Automatic Vehicle Location (AVL) and Automatic Passenger Counters (APC) provides the opportunity to gather large sets of data at relatively low cost and evaluate service to improve performance, schedule planning and operations control. This thesis presents a comprehensive …
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Dynamic estimation of travel time on arterial roads by using automatic vehicle location (AVL) bus as a vehicle probe
… on using Automatic Vehicle Location (AVL) system equipped bus as a probe vehicle for estimating bus arrival times and auto travel times. Since many transit organizations throughout the North America are currently operating these AVL buses on their bus routes, in a sense, existing AVL …
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A Corpus-based Comparison between the Academic Word List and the Academic Vocabulary List
… and Davies’ (2014) Academic Vocabulary List (AVL). Comparisons were made between different types of lexical coverage provided by the AWL and the AVL in the self-created University Academic Corpus (72-million tokens). The findings indicated that the performance of the AWL and the AVL was …
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Applications of Automatic Vehicle Location systems towards improving service reliability and operations planning in London
… the introduction of Automatic Vehicle Location (AVL) systems, have provided agencies with robust data collection and measurement systems and enabled the development of comprehensive planning and operations tools. This thesis reviews the impact of an AVL installation in London, and demonstrates …
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Development of a real-time and geographical information system-based transit management information system
… has implemented an Automatic Vehicle Location (AVL) system into their bus system. However, there are some problems with the system that TRT is endeavoring to resolve in order to maximize its utilization. Therefore, the main goal of this research was to develop an automated Management Information …
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Analysis and robust simulation of mathematical models of HIV and Leishmaniasis co-infection
… study the Anthroponotic Visceral Leishmaniasis (AVL) between the human and the vector host population. The second sub-model describes a deterministic SIAT (Susceptible-Infected-AIDS-Treated) HIV/AIDS model that incorporates the treatments of HIV-infected and AIDS-infected individuals.
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Using automatically collected data for bus service and operations planning
… (ADCS), including Automatic Vehicle Location (AVL), Automatic Passenger Counters (APC), and Automated Fare Collection (AFC) systems. ADCS enable service planners to make more informed decisions due to the larger, more ubiquitous, and timelier sets of performance data. This thesis evaluates …
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Measuring journey time reliability in London using automated data collection systems
… Collection (AFC) and Automatic Vehicle Location (AVL), provides new sources of information that can be used to measure and assess service reliability. The main objective of this thesis is to develop a set of simple, customer-driven metrics of journey time reliability, that could be useful and …
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Rot-Schwarz-Bäume in Mehrbenutzerumgebungen
… insbesondere <br>für Rot-Schwarz-Bäume und AVL-Bäume. Über die tatsächliche <br>Effizienz dieser Algorithmen auf einer Mehrprozessor-Maschine <br>lassen sich bislang jedoch noch keine Aussagen machen. <br> <br>Mit Hilfe der Simulation einer Mehrprozessormaschine wird in dieser <br>Arbeit die …
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Evaluation and Flight Assessment of a Scale Glider
… compared using SURFACES, USAF Datcom, and MIT AVL software. The glide slope estimate and stability and control derivatives obtained from flight test data showed considerable range and uncertainty. Potential sources of noisy test data and model flaws are discussed in detail. Improvements to the …
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Redesigning and improving the efficiency of bus transit networks using automatically collected data : the case of Gipuzkoa, Spain
… of data sources: Automatic Vehicle Location (AVL) and Automatic Fare Collection (AFC) systems, to improve the efficiency of one of the main, although not as frequent, aspects of tactical planning: network design. Since 2005, the Government of the Province of Gipuzkoa has worked to improve …
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Moving from conventional bus service towards bus rapid transit : establishing priorities
… priority system, and automated vehicle location (AVL) system. The third task focused on developing a prioritization process to understand the variables that would lead to achieve the first two key attributes. All components but AVL systems were identified to impact these key attributes. The …
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Integrated Model to Plan Advanced Public Transportation Systems
… involving automated vehicle location systems (AVL) applied to a small transit community. The proposed approach follows the same steps of the Systems Dynamics method; First, identify some key variables which are not only susceptive to AVL technology but also affect the supply-demand relationship …
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Bandwidth broker for advance resource reservation in diffserv networks
… algorithms, this BB work implements a novel AVL-tree based continuous-time algorithm and offers lower call rejection rate and higher resource utilization. Furthermore, instead of using the commonly-used but rigid ``all-or-nothing'' approach, this work proposes a novel probe-based reservation …
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Toward language-independent program verification
… same data-structures in these languages (e.g. AVL trees). This dissertation also describes the natural proof methodology for automated reasoning about heap properties.
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Modelamiento del fenómeno apelotonamiento de buses
… sistema de localización automática de vehículos (AVL por sus siglas en inglés) y del sistema de cobro automático de tarifa (AFC por sus siglas en inglés) de la ciudad de Santiago (Chile) y Gatineau (Canadá), se construyeron mapas de apelotonamiento de buses y se calibraron modelos de regresión …
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Development of a Methodology for Virtual Efficiency Evaluation of Electric Drive Modules
… software tools available in the market (MASTA, AVL Excite and Romax). The simulations are performed in steady-state conditions to replicate the testing activity. The project starts with a review of the analytical and theoretical loss models implemented, the modelling techniques and the testing …
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Bus passenger Origin-Destination Matrix estimation using Automated Data Collection systems
… Count (APC data, and Automatic Vehicle Location (AVL) data. This algorithm consists of three steps: data preparation, estimation of a Single Route OD Matrices for all routes, and estimation of a Network Level OD Matrix using transfer flow information. The single route OD matrix estimation requires …
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