A pressure sensor module includes a pressure sensor configured to periodically measure an internal air pressure within an enclosure and generate a sensor signal having plurality of sensor values; a signal processing chain for conditioning the sensor signal to generate a plurality of conditioned sensor values; a memory configured to store each of the plurality of conditioned sensor values; and a processing circuit coupled to the pressure sensor via the signal processing chain for receiving a current conditioned sensor value and coupled to the memory for receiving a previous conditioned sensor value. The processing circuit is configured monitor for a fault, including calculating a delta pressure value between the current and previous conditioned sensor values, comparing the delta pressure value to a pressure threshold value, and triggering a diagnostic of the signal processing chain if the delta pressure value is greater than the pressure threshold value.


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    Titel :

    Automatic decision for self-diagnosis triggering in safety relevant sensors


    Beteiligte:

    Erscheinungsdatum :

    31.12.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / B60C VEHICLE TYRES , Fahrzeugreifen



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