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Wyszukujesz frazę "Daniel, Paweł." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Surface damage assessment by analysis of electrical resistance changes in graphite-based sensing skin
Autorzy:
Stepnowski, Marek
Janczak, Daniel
Jakubowska, Małgorzata
Pyrzanowski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2106421.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sensing skin
damage
detection
algorithm
ERT
Opis:
The article presents the method of identifying surface damage by measuring changes in resistance in graphite-based sensing skin. The research focused on analysis of conductivity anomalies caused by surface damage. Sensitivity maps obtained with Finite Element Method (FEM) in conjunction with the analytical damage model were used to build the coating evaluation algorithm. The experiment confirmed the ability of this method to identify a single elliptical-shape damage. Eight electrodes were enough to locate the damage that covered about 0.1‰ of the examined area. The proposed algorithm can prove useful in simple applications for surface condition monitoring. It can be implemented wherever it is possible to apply a thin layer of conductor to a non-conductive surface.
Źródło:
Metrology and Measurement Systems; 2022, 29, 2; 347--360
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metrology and control of electromagnetically actuated cantilevers using optical beam deflection method
Autorzy:
Kopiec, Daniel
Majstrzyk, Wojciech
Pruchnik, Bartosz
Gacka, Ewelina
Badura, Dominik
Sierakowski, Andrzej
Janus, Paweł
Gotszalk, Teodor
Powiązania:
https://bibliotekanauki.pl/articles/2052166.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optical beam deflection
thermomechanical noise
low frequency noise
electromagnetically actuated cantilever
Lorentz force
Opis:
In this paper, we present metrology and control methods and techniques for electromagnetically actuated microcantilevers. The electromagnetically actuated cantilevers belong to the micro electro mechanical systems (MEMS), which can be used in high resolution force and mass change investigations. In the described experiments, silicon cantilevers with an integrated Lorentz current loop were investigated. The electromagnetically actuated cantilevers were characterized using a modified optical beam deflection (OBD) system, whose architecture was optimized in order to increase its resolution. The sensitivity of the OBD system was calibrated using a reference cantilever, whose spring constant was determined through thermomechanical noise analysis registered interferometrically. The optimized and calibrated OBD system was used to observe the resonance and bidirectional static deflection of the electromagnetically deflected cantilevers. After theoretical analysis and further experiments, it was possible to obtain setup sensitivity equal to 5.28 mV/nm.
Źródło:
Metrology and Measurement Systems; 2021, 28, 4; 627-642
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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