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NCJ Number: 77769 Add to Shopping cart Find in a Library
Title: Modeling the Operational Impact of Automatic Vehicle Monitoring Systems in Cities (From Large Engineering Systems 3, P 415-420, 1980, M E El-Hawary and W J Vetter, ed.)
Author(s): R C Larson
Date Published: 1980
Page Count: 8
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
US Dept of Justice NIJ Pub
Washington, DC 20531
Grant Number: 79-NI-AX-0112
Format: Document
Language: English
Country: Canada
Annotation: Mathematical models are used to test the Automatic Vehicle Montoring (AVM) system's error performance characteristics and the impact of AVM information on user systems.
Abstract: An AVM system provides information to a central dispatcher regarding the location and status of vehicles in a fleet. The technologies used for location estimation include radio trilateration techniques, fixed signpost sensors at intersections, and dead-reckoning systems. Each type of technology is characterized by particular location error characteristics, which in turn influence the impact of AVM on operating systems. Probabilistics models for certain location error characteristics are presented for each of the three technologies. A second class of model (characterizing the behavior of dispatchers of emergency service vehicles) is also used to estimate the operational impact of AVM upon dispatching. The advantages of the system include improvements in narrow efficiency measures and its potential as a research tool for conducting deployment experiments in urban service systems. Relevant studies, diagrams, mathematical formulas, and 10 references are included.
Index Term(s): Automated vehicle monitors; Dispatching; Impact prediction; Mathematical modeling; Vehicle location monitors
Note: Presented at the proceedings of the 3rd International Symposium on Large Engineering Systems held at the Memorial University of Newfoundland, St. John's, Newfoundland, Canada, July 9-11, 1980.
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http://www.ncjrs.gov/App/publications/abstract.aspx?ID=77769

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