Data-transmission and data-processing techniques came into wide use in traffic-control systems with the development of ATC and UTC networks in the 1960's and 1970's, installations at road intersections being linked back to control-centre computers, generally via rented dedicated telephone lines. In general-purpose data-transmission systems, microprocessors were adopted as the basic logic element of outstations and remote terminal units in the mid-1970's. They provided compact, cost-effective hardware, which (with appropriate software) gave considerable flexibility of function from a basic package. Thus when the DTp specification MCE 0361 for a high-capacity UTC data-transmission system emerged, the micro was the technology of first choice on which to base its development. This paper is based on Ferranti's experience in the use of microprocessors for data transmission and processing in traffic applications since that time.
Current applications of microprocessors for data transmission and data processing in traffic-control networks
Gegenwaertige Mikroprozessoranwendungen fuer Datenuebertragung und Datenverarbeitung in Verkehrslenkungsnetzwerken
UK Developments in Road Traffic Signaling ; 58 ; 4-6
1984
6 Seiten
Conference paper
English
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