Rules-based interlocking engine using virtual gates

Details Rules-based interlocking engine using virtual gates Rules-based interlocking engine using virtual gates

B - Operations, Transporting

61

L

B61L 23/00 (2006.01) B61L 19/06 (2006.01) B61L 21/04 (2006.01) G05B 15/02 (2006.01)

Patent

CA 2099848

A method of implementing a computer based interlocking system for automatic train protection includes providing a data base of prestored rule sets for a plurality of guideway objects, the guideway objects being represented as one or more virtual gates of a plurality of virtual gate types, the rule sets defining conditions for a respective guideway object which must be met before entry through a virtual gate of the object is permitted. A high-level description of a guideway layout including all of the guideway objects that form interlocking zones is input and processed using the pre-stored rule sets to form an overall interlocking system definition by locating, retrieving and linking appropriate rule sets corresponding to the respective input guideway objects.

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