CONTROL OF AN INTERLOCKING IN A VEHICLE CONTROL SYSTEM

Fail-safe electronic logic elements having unidirectional failure modes are used in the construction of a fail-safe logic circuit which controls the interlocking in a vehicle control system. The logic circuits provide control signals for properly aligning the interlocking such that vehicles which ar...

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Bibliographische Detailangaben
1. Verfasser:	HOYLER R,US
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY ENSURING THE SAFETY OF RAILWAY TRAFFIC GUIDING RAILWAY TRAFFIC PERFORMING OPERATIONS PULSE TECHNIQUE RAILWAYS TRANSPORTING
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Beschreibung
Zusammenfassung:	Fail-safe electronic logic elements having unidirectional failure modes are used in the construction of a fail-safe logic circuit which controls the interlocking in a vehicle control system. The logic circuits provide control signals for properly aligning the interlocking such that vehicles which are operational in the system may travel along selected vehicle travel routes. There are also provided a group of status signals which are indicative of whether or not it is safe for a vehicle to enter the interlocking zone.