This report gives examples for position sensor solutions with enhanced requirements. The increasing requirements include rotating and linear measurement, robust sensor design, adaptable parameters, redundancy, insensitivity to geometric tolerances, temperature and low cost. The importance of mechatronic Systems is continuously rising in the automotive industry. The implementation of mechatronic Systems within the domain of drivetrain and chassis promise room for improvements with regard to drivability, safety, fuel consumption and emissions. Position sensors are a basic part of most of the mechatronic Systems. As the importance of reliability is growing, for safety- relevant mechatronic Systems in particular, progress in position sensors has to be made continuously. In many applications switching from potentiometer to contactless sensor solutions leads to improvements. Therefore most new developments call for contactless sensors from the outset. The best results in this progress can be achieved if contactless sensor principles are used, which combine the advantages of potentiometers, here, ratiometric measuring, low costs and the improvements from contactless measuring. The introduced inductive sensor solution is an example for such a modern position sensor. It combines non-wearing linear and angular position measurement with a simple and compact design. Furthermore, great precision and less stringent conditions for assembly and ambient factors make this sensor a universal solution for a wide range of automotive engineering applications such as throttle sensors, accelerator pedal sensors, steering sensors, etc. Further progress in contactless position sensor technology can be achieved by an adapted ASIC strategy that considers the needs of the automotive industry. Large quantities and thus a reasonable price can be achieved by the skillful choice of sensor families. Modular approaches in the sensor ASIC design simplify the adaptation. The largest progress regarding position sensors in the automotive industry is associated with the term integration. Sensors have to be integrated into entire Systems easily, and have to be chosen accordingly. Contactless sensors (especially inductive sensors) promise to have a great potential for integrated solutions with enhanced packaging and an optimized system structure.


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    Title :

    Progress in automotive position sensors and introduction of the Hella inductive position sensor


    Additional title:

    Fortschritte bei Positionssensoren für Kraftfahrzeuge und Einführung des induktiven Hella Positionssensors


    Contributors:
    Hobein, D. (author) / Dorißen, T. (author) / Dürkopp, K. (author)


    Publication date :

    2004


    Size :

    9 Seiten, 11 Bilder, 9 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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    Progress in Automotive Position Sensors and Introduction of the Hella Inductive Position Sensor

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