A brake system (15) for a passenger transportation system (1) includes a brake lining (20, 21) and a brake surface (22a, 22b), wherein a gap (39) exists between the brake lining (20, 21) and the brake surface (22a, 22b) when the brake system (15) is in an open position. The brake system (15) includes also an optical monitoring system (40) and a processor (43). The optical monitoring system (40) has a light source (41) arranged to emit light towards at least one of the gap (39) and the brake lining (20, 21), and a light detector (42) arranged in a light path of the light emitted by the light source (41). The light detector (42) generates an electrical signal as a function of impinging light. The processor (43) is coupled to the optical monitoring system (40) to receive the electrical signal and to generate a predetermined indication if the signal indicates a value that is equal to or greater than a predetermined threshold value (Vmax).


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    Title :

    Optical brake lining monitoring


    Contributors:

    Publication date :

    2019-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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