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| Preliminary Research on Aircraft Complex Systems Integration at Final Assembly Stage |
| LI Tao, JIANG Min, YE Bo |
| （AVIC Chengdu Aircraft Industrial (Group) Co., Ltd., Chengdu 610092, China) |
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Abstract A modern aircraft is equipped with a large number of advanced systems today to meet the mission requirements when operating in complicated working conditions. This leads to the ever-increasing complexities in aircraft system architecture, control interactions, information exchange. Difficulties are also found both in development and integration in manufacturing stage. The nature of aircraft final assembly process is the final integration of complex systems at manufacturing stage. Installations and tests, or physical and functional integration are two main final assembly activities that support each other. The integration design of aircraft final assembly aims firstly to plan the overall process with installation and test tasks towards the aircraft architecture from components, sub-systems, systems and aircraft. A proper integration sequence allows satisfying the comprehensive aircraft function verification that prevents technology and quality hazards in the integration processes. From the systems engineering thinking, this research analyses the relationship between introduction of product functionality and requirements of production operations. Based on that, a methodology of modelbased final assembly integration framework is proposed with general engineering path towards axiomatic process design and collaboration of product design and process planning. An initial case study is also used to have a preliminary analysis of different system dependency aspects influence on integration process planning.
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2021, 
