The MMM Expert System: From a Reference Signal to The Method Validation

• Autorzy: Witoś M.

Identyfikatory

DOI

10.2478/v10164-012-0064-3

• Języki publikacji: EN

Abstrakty

EN

This paper presents the first step in the methodological approach to the validation of the metal magnetic memory (MMM) method in the non-destructive testing (NDT) applications and in the systems used for diagnosis of early stages of material fatigue in mechanical constructions (structural health monitoring, SHM, and prognosis health management, PHM). The study is focused on the properties of the external natural source of magnetisation of the object under MMM examination and the impact of the magnetisation components. The precise data obtained from measurements of the Earth's geomagnetism (from ground stations and satellites) and the revised model of the Earth's magnetism can be applied in order to calibrate high sensitivity magnetic field sensors, validate the measurement results and extend the functional capacity of the MMM method.

Słowa kluczowe

EN

geomagnetic field; magneto-mechanical effects; numerical model; SHM

• Wydawca: Wydawnictwa Naukowe Sieci Badawczej Łukasiewicz - Instytutu Lotnictwa
• Czasopismo: Fatigue of Aircraft Structures
• Rocznik: 2012
• Tom: Iss. 4
• Strony: 123--140
• Opis fizyczny: Bibliogr. 47 poz., rys., tab., wykr., wzory

Twórcy

autor

Witoś M.

• Air Force Institute of Technology, Warsaw, Poland

Bibliografia

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Uwagi

EN

The study has been prepared under the research project “Monitoring of Technical State of Construction and Evaluation of its Lifespan” (MONIT) financially supported by the European Regional Development Fund and the Ministry of Regional Development of Poland in the Innovative Economy Operational Programme (POIG 1.2). The results presented in this paper rely on data collected at magnetic observatories. We thank the national institutes that support them and INTERMAGNET for promoting high standards of magnetic observatory practice (www.intermagnet.org).

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.