Database of expert diagnostic system in the field of turbine blades non-destructive testing

• Autorzy: Borowczyk H. , Błachnio J.

Identyfikatory

DOI

10.5604/01.3001.0012.4772

• Języki publikacji: EN

Abstrakty

EN

The article presents selected problems in the synthesis of the database of expert diagnostic system of gas turbine blades in the field of non-destructive testing. The source of data is optical methods and computed tomography methods. Optical tests can be carried out on the blades of the turbine built in the engine and after their disassembly. Optical tests provide diagnostic information in the form of an image of the blade surface. This makes it possible to identify damage based on changes in the attributes of the image of the blade surface. Computer tomography methods are applied on disassembled blades. Assessment of the technical condition of the blade is made on the basis of individual two-dimensional X-ray scans or on the basis of a three-dimensional image of the blade generated by the computer software from the set of X-ray scans taken during the full angle rotation. The computed tomography data set includes a small number of points on the timeline of operation; hence, the correlation of results with optical methods is difficult. Integration of diagnostic data from two or more sources into one expert system requires standardization of data. One possible approach is the use of multi-valued encoding of 2D and 3D image attributes. In this way a multivalued diagnostic model of the blade is obtained, which can be processed by information theory methods to optimize the set of attributes.

Słowa kluczowe

EN

gas turbine; blade; diagnostics; technical condition; expert system; database

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2018
• Tom: Vol. 25, No. 4
• Strony: 25--32
• Opis fizyczny: Bibliogr. 27 poz., rys.

Twórcy

autor

Borowczyk H.

• Air Force Institute of Technology Ks. Boleslawa Street 6, 01-494 Warsaw, Poland tel.: [phone], fax: [phone]

autor

Błachnio J.

• Air Force Institute of Technology Ks. Boleslawa Street 6, 01-494 Warsaw, Poland tel.: [phone], fax: [phone]

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).