The maintenance of aircraft is today mainly driven by the requirements for availability, reliability and safety of the flight essential systems. But the cabin of modern aircraft is more and more equipped with electronic systems to enhance the comfort of passengers onboard. For these kind of systems it is necessary to develop appropriate maintenance technologies, which consider the specific architecture of the cabin systems and which can be integrated in a global aircraft health maintenance concept for both safety critical and comfort systems. One major components of a future global aircraft maintenance system is the Digital Cabin Logbook, which allows an electronic logging of cabin defects in a systematic way. The project 'Efficient Cabin Management and Maintenance' addresses the development of a mobile maintenance terminal enabling a wireless access to the central onboard maintenance system from any place in the cabin. Another task is the investigation of methods for the assessment of system condition, in order to detect a system degradation and thus the need for maintenance actions to prevent system faults. All above described projects are milestones towards a global aircraft maintenance system for avionics and cabin systems, which covers the whole maintenance process starting from sensor data measurement, data analysis, fault diagnostic and prognostic up to the work flow of the maintenance technicians. A further aspect of a global aircraft maintenance system is the connectivity of the onboard maintenance server with the ground based infrastructures of the airlines. Today already some limited fault reports are transmitted in-flight from the aircraft to the ground using the text based and bandwidth limited ACARS6 service. But for cabin comfort system, which have no safety or flight relevance for the aircraft, a bidirectional broadband communication link for maintenance work is envisaged, so that an expert can log on to the onboard system to perform some repair works like software reboots or software updates. Finally the application of open standard interfaces for the data exchange on all communication layers of a maintenance system, from sensors up to the display of faults on a maintenance terminal, is of interest specifically for cabin comfort systems, because these systems are more and more build on COTS components, which already support open standards. The concept of Open System Architecture - Condition Based Monitoring (OSA-CBM) seems to be very promising, since this approach is widely supported by several industries.


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    Title :

    Future technologies for the maintenance of aircraft cabin systems


    Contributors:


    Publication date :

    2007


    Size :

    8 Seiten, 3 Bilder




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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