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Wireless Traffic Signal Controller with Distributed Control System Architecture

Tettamanti, Tamás (2019) Wireless Traffic Signal Controller with Distributed Control System Architecture. PERIODICA POLYTECHNICA CIVIL ENGINEERING, 63 (3). pp. 918-925. ISSN 0553-6626 (print); 1587-3773 (online)

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Abstract

The paper presents a novel concept for traffic signal controller. Instead of the traditional central architecture, a wireless operation with distributed control architecture is proposed for traffic light control. The concept rests on local control units distributed in space as well, i.e. the signal heads also have own control logic. The basis of safe distributed operation is described in detail in the paper. Beside the presentation of the concept the required conformity with the specific standards are also investigated. Moreover, a formal method (Petri Nets modeling) is provided concerning a part of the proposed system, which confirms that the whole system goes to fail-safe state when critical problem occurs in any of the subsystems or communication.

Item Type: Article
Subjects: T Technology / alkalmazott, műszaki tudományok > TE Highway engineering. Roads and pavements / közlekedésmérnöki, útépítési technika
Depositing User: Dr Tamás Tettamanti
Date Deposited: 18 Sep 2020 07:42
Last Modified: 18 Sep 2020 07:42
URI: http://real.mtak.hu/id/eprint/113621

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