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Modeling of a Railroad Worker Protection System Architecture in PFS

Authors:
Lucas Testoni Macedo
Fabrício Junqueira
Paulo Eigi Miyagi

Keywords: metro system; legacy system; protection system architecture; production flow schema.

Abstract:
The metro system is an important transportation mode for urban cities. This system has had a long operation time since its construction, is still operating, and will not be replaced easily. Hence, it can be classified as a legacy system. Moreover, the metro system requires preventive or corrective maintenance, because there are still situations and occurrences that cannot be properly predicted. During the corrective maintenance, the metro line is still running while the railroad worker is also on the railway. In this situation, the operator, from the Operations Control Center (OCC), must create a safe area for the railroad worker to carry out the maintenance. Although the metro line has safety procedures, training, and rules for this situation, a miscommunication or leak of the operator’s attention might make the railroad worker vulnerable to accidents. Based on that, this paper focuses on providing an architecture in which the railroad worker is considered protected automatically. The railroad worker protection system architecture is modeled using the Production Flow Schema (PFS), as well as the metro one, to present the architectures` operation and the interaction between the two architectures.

Pages: 29 to 36

Copyright: Copyright (c) IARIA, 2023

Publication date: April 24, 2023

Published in: conference

ISSN: 2308-4243

ISBN: 978-1-68558-037-7

Location: Venice, Italy

Dates: from April 24, 2023 to April 28, 2023