The increased complexity of new 'Smart Airbags' or 'Adaptive Airbags' passenger restraint systems requires the implementation of a serial communication network. To reduce the complexity of the wiring harness and to provide future flexibility in car platform safety systems, a safety network, which is capable of connecting initiators, actuators, and sensors to the central electronic control unit (ECU), seems to be the ideal solution. If power and data can be supplied on a fault tolerant two-wire network, the wiring/connector requirements are greatly reduced. This paper describes the joint development and successful test firing by Philips Semiconductors and Special Devices Incorporated (SDI) of a 'Smart Initiator' utilising the classic planet protocol. The SDI 'Smart Initiator' required the development of a slave IC, an application board, and the appropriate assembly and pyrotechnics to meet the all-fire requirements of existing initiators. By jointly developing a true 'Smart Initiator' and successfully firing the resulting device, SDI and Philips Semiconductor have confirmed that it is possible to implement a safety network for deployable devices. Furthermore, it has been shown that a true 'Smart Initiator' can be achieved by utilising existing board and assembly technology. Through novel solutions in the assembly and packaging of the 'Smart Initiator' it has been proven that the electronics added to the initiator will survive the firing event and associated stresses involved.


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    Titel :

    Development of smart initiators


    Weitere Titelangaben:

    Entwicklung eines intelligenten Zünders


    Beteiligte:
    Rainwater, B. (Autor:in) / Diamond, M. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    12 Seiten, 4 Bilder, 5 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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