Siemens VDO developed a new optical sensor system for pedestrian protection. The aim of the system is to minimize injuries suffered by the pedestrian by protecting vital points like the head. One of the major elements of this system is the sensing part. The choice of Siemens VDO was to develop a sensor able to deliver information about the bumper shape of a given car. To achieve this target, an optical technology based on POF was chosen. This sensor uses plastic optical fiber specially treated (damaged) to be sensible to curvature. This treatment consists in disturbing the core/cladding interface in order to create regions of loss (non-propagation). The obtained sensor is linear to angle of bending and allows with a special algorithm to find out intrusion (object shape, mass, impact velocity, impact location). After giving the motivation to work on pedestrian shock detection sensors, the paper gives an overview of current research and development ongoing within Siemens VDO in this field. In the next part, the Integration concept and the working principle of the plastic optical fiber sensor for pedestrian protection are explained. The closing section will highlight the advantages of the use of this optical technology and show some possible packaging.


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    Titel :

    Fiber optical sensor for pedestrian protection


    Beteiligte:


    Erscheinungsdatum :

    2004


    Format / Umfang :

    7 Seiten, 12 Bilder, 2 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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