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| Welding Database and Expert System for Aviation |
| RONG Youzhen, LIU Renpei, WEI Yanhong |
| (Laboratory of Digital Welding Technology, Nanjing University of Aeronautics & Astronautics, Nanjing 211100, China) |
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Abstract Welding database and expert system is an important part of welding digital system. In recent years, with
the pace of the transformation of the aviation manufacturing industry to digital, intelligent direction up, attracting more
and more aviation enterprises to carry out the work of design and development of aviation dedicated welding database and
expert system. Now the welding database established in the field of aeronautical manufacturing has realized the effective
storage and sharing of aviation material welding base data, welding parameter data, welding performance data and typical
case data. The application of welding process design expert system can assist in the automatic design and management of
welding process documents, which greatly reduces the welding process file preparation cycle; The welding defect diagnosis
expert system can judge the defect type according to the defect characteristic or analyze the cause of the defect according
to the defect type, and has important practical application value to control and prevent the generation of various defects and
control the welding quality; On the basis of database platform , expert system platform and user rights management, the
welding information management platform realizes the online intelligent and cooperative work of welding process. With
the development of welding process of aviation manufacturing, based on the existing welding database and expert system
research, the welding quality prediction expert system and manufacturing big data analysis and mining technology applied
to the aviation welding database and expert system design will become the future development trend of aviation welding
expert system.
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2017, 
