The U.S. Department of Transportation/Urban Mass Transportation Administration (DOT/UMTA) is developing an automatic vehicle monitoring (AVM) system which will accommodate both fixed and random-route users. This is a two phase program. Phase I is testing four location subsystems in Philadelphia. Phase II contemplates selecting one contractor to develop, fabricate, install, and test a completely functional system that can be shared by users with diverse requirements. Phase II is contingent on successful completion of Phase I and on favorable results of a benefit/cost study. Location subsystems fall into one of four general categories: signpost, radio frequency, deadreckoning, or a hybrid system of some combination of the first three. Within each type, subtypes exist. In 1971, UMTA sponsored location subsystem tests of four competing technologies in Philadelphia. Since these tests, much development has occurred and accuracy has been improved substantially.
Multiuser area-coverage automatic vehicle monitoring program
Ein AVM-Programm fuer eine vielbenutzte Flaechen-Abdeckung
IEEE Transactions on Vehicular Technology ; 26 , 2 ; 187-191
1977
5 Seiten, 2 Tabellen, 4 Quellen
Aufsatz (Zeitschrift)
Englisch
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