The present paper describes a new design for a microprocessor controlled lambda sensor device. This device can be used for the external inspection and testing of an automobile' s internal lambda sensor. The device is based on the Motorola (68)HC11al microprocessor and utilises the linear signal from a new design oxygen sensor (linear air/fuel sensor, LAF) installed on it. This signal is processed in real time using an appropriate algorithm and the corresponding results are presented on an LCD. The system can be readily installed and operated on new and used cars and testifies if the car's lambda sensor operates or not properly. It can also be reprogrammed and calibrated via a RS232C serial interface.


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    Title :

    Microprocessor controlled exhaust gas lambda sensor


    Contributors:

    Published in:

    Publication date :

    2000


    Size :

    7 Seiten, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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