In the aircraft cabin a constantly growing number of system functionalities led to a complex cabin core system (CCS) which is characterized by a staggered, taskoriented evolution. With increasing functional requirements the overall complexity of the system was in parallel enhanced by compulsory aviation standards given as aviation regulations or as requirements, respectively. A discontinuation of this trend seems to be inevitable, because the currently achieved complex architecture of the CCS has become contradictive to the top performance objectives (TPOs) for aircraft manufacturing, which are highest flexibility and performance, improved installation concepts, speedy processing in the final assembly line and a minimization of weight. An analysis of the historically evolved CCS shows a common denominator: all cabin systems have to be linked to a power and a data network. For the electrical power distribution network a novel concept was already introduced within the A380 aircraft program and is meanwhile proven to support aircraft manufacturing TPOs at excellent Airbus performance and quality standards. The power network is based on secondary power distribution boxes (SPDB) mounted along the aircraft cabin. For the design of a next generation CCS platform the integration of power and data services seems to be viable. The basically defined cabin core power network architecture can serve as starting point. The necessary data network technologies and applications (e.g. example fiber optics, common network protocol and network security mechanism) are available for commercial use. It has to be proven that a transfer into an aircraft is possible with respect to aircraft regulations concerning system safety and system security. An integration of power and data services into physical network nodes affords a solution for a multi domain network node (MDNN) which is essential for the data part. A virtual domain structure based on virtual local area network (VLAN) technology is proposed to fulfill this need. Altogether it is expected that the proposed platform concept with combined power and data services will contribute to reduce complexity of the CCS. Due to a higher integration level and the use of modern data network technologies the system is supposed to comply with TPOs in aircraft manufacturing. A detailed assessment of this platform concept with respect to aviation regulations, functional requirements and TPOs will be part of further investigations in a cooperation of university and aircraft manufacturer.
Cabin core system - a next generation platform for combined electrical power and data services
Kabinenkernsystem - Eine Plattform der nächsten Generation für kombinierte elektrische Versorgung und Datenservice
2011
11 Seiten, 6 Bilder, 2 Tabellen, 7 Quellen
Conference paper
Storage medium
English
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