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IEICE TRANSACTIONS on Fundamentals

Specification and Verification of a Single-Track Railroad Signaling in CafeOBJ

Takahiro SEINO, Kazuhiro OGATA, Kokichi FUTATSUGI

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Summary :

A signaling system for a single-track railroad has been specified in CafeOBJ. In this paper, we describe the specification of arbitrary two adjacent stations connected by a single line that is called a two-station system. The system consists of two stations, a railroad line (between the stations) that is also divided into some contiguous sections, signals and trains. Each object has been specified in terms of their behavior, and by composing the specifications with projection operations the whole specification has been described. A safety property that more than one train never enter a same section simultaneously has also been verified with CafeOBJ.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E84-A No.6 pp.1471-1478
Publication Date
2001/06/01
Publicized
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Type of Manuscript
Special Section PAPER (Special Section on Papers Selected from 2000 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2000))
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