Title :
Increasing accuracy of measurement of amplitudes difference of low-frequency harmonious signals
Author :
Buchma, Ihor ; Repetylo, Taras
Author_Institution :
Comput.-assisted Syst. of Autom. Dept., Lviv Polytech. Nat. Univ., Lviv, Ukraine
Abstract :
In this paper the errors of measuring device of amplitudes difference of two harmonious low-frequency signals for the computer-assisted inspection systems of steel sheet constructions state are analysed. The method of their diminishing is offered.
Keywords :
inspection; instruments; sheet materials; steel; amplitude difference; computer-assisted inspection system; low frequency harmonious signals; steel sheet construction state; Band pass filters; Coils; Computer errors; Current measurement; Detectors; Differential amplifiers; Electrical resistance measurement; Frequency; Steel; Thickness measurement; Eddy-current testing; accuracy of measurement; computer-assisted systems; diagnostic systems; difference of amplitudes;
Conference_Titel :
Perspective Technologies and Methods in MEMS Design (MEMSTECH), 2010 Proceedings of VIth International Conference on
Conference_Location :
Lviv
Print_ISBN :
978-1-4244-7325-0
Electronic_ISBN :
978-966-2191-11-0
