A laboratory model incorporating a microprocessor-based system to control signals and points and to monitor track circuits is described. Approach locking and backlocking controlled through a programmable timer are included. The model consists of a control panel with entrance-exit type control, namely, a switch and a pushbutton for each route. Light-emitting diodes take the place of signal lamps. Points are simulated by means of three position-neutral polar arrays. A method of reducing the probability of accidents associated with this type of control is presented. It consists of duplicating the input channels and utilizing redundant input data.


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    Title :

    Microprocessor-based railway interlocking control with low accident probability


    Additional title:

    Eisenbahnstellwerksteuerung mit niedriger Unfallwahrscheinlichkeit auf Mikroprozessorbasis


    Contributors:

    Published in:

    Publication date :

    1987


    Size :

    7 Seiten, 2 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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