TEKNIK PENGOLAHAN CITRA PENGUKURAN BESARAN TEGANGAN REGANGAN PLAT PERSEGI DENGAN METODE MOIRE’ SEBAGAI SALAH SATU ALTERNATIF PENGUKURAN DALAM DESAIN INDUSTRI MANUFAKTUR
Abstract
Moire method is one of alternative method that can be choosen in the stress-strain measurements because it is simple and does not require sophisticated equipment nor expensive with results that is accurate enough. The object of this research is a square plate clamped all edges and given load in the middle of the plate with various value. Material deformation produced moire patterns in the form of dark-light pattern (fringes) and the image have captured using a digital camera.The image of moire pattern from digital camera then processed by MATLAB using image processing tool. Furthermore, the results processed as binary images or treshold to get a clearly visible moire pattern. Finally, stress obatined from MATLAB by using image processing tool was compared with the numerical methods. The difference obtained at average 6% for the three types of loading and at average 8.8% with the numerical method.
Keyword: eksperimen, fringe, metode Moire, stress-strain
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Ansel C. Ugural, Stresses in Plates and Shells, New Jersey Institute Of Technology, Second Edition, Mc Graw Hill, 1999.
D.Post, B. Han and P.Ifju, High Sensitivity Moire, Experimental Analysis for Mechanics and Materials, Springer Verlag, New York, 1994.
Durelli, A.J., Parks, V,J, Moire Analysis of Strain, Prentice Hall, INC Englewood Cliffs, New Jersey, 1970
Isaac Amidror, The Theory Of The Moire Phenomenom, ISBN-10 1-4020-5458-0 (e-book), Springer, 2007.
Marvin Ch. Wijaya & Agus Prijono, Pengolahan Citra Digital Menggunakan Software Matlab, Penerbit Informatika Bandung, 2007.
Nugrowati, Aura Mimosa, Penerapan dan Perbandingan Teknik Proyeksi Moire Pencahayaan Tunggal dan Ganda Dalam Profilometri Tiga Dimensi, Thesis Magister Program Studi Instrumentasi dan Kontrol Program Pascasarjana Institut Teknologi Bandung, 2003.
Rinaldi Munir, Pengolahan Citra Digital Dengan Pendekatan Algoritmik, Penerbit Informatika Bandung, 2004.
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