An accelerometer, implemented by means of thick film technology, has been developed for a semi-active suspension electronic control system. Mounted on the car body it measures vertical displacements which vary between few and some hundreds mm. These displacements are a part of data supplied to ECU to adapt the suspension stiffness for the most suitable driving conditions. The device is based on piezoresistive effect of some thick film materials. A small mass is located on a ceramic beam where some thick film resistors have been printed. Its movement deflects the beam thus changing resistors values. The beam is a part of a ceramic substrate on which a suitable electronics is also provided.


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    Title :

    A thick film accelerometer for electronic suspension control


    Additional title:

    Dickschicht-Beschleunigungsmesser fuer die elektronische Ueberwachung der Radaufhaengung


    Contributors:

    Published in:

    SAE-Papers ; Mar ; 1-5


    Publication date :

    1989


    Size :

    5 Seiten, 5 Bilder


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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