CONTROLLING TESTING MACHINES WITH DIGITAL IMAGE CORRELATION

Abstract : It is proposed to discuss a strategy to control a mechanical test by using digital image correlation. A two-loop system is developed to integrate a sub-pixel correlation algorithm to evaluate the average strain of a region of interest and control a servo-hydraulic testing machine. An a priori uncertainty analysis is validated a posteriori with actual strain measurements. A tensile test is analyzed with the developed system.
Keywords : Photomechanics
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Submitted on : Tuesday, December 18, 2007 - 11:47:04 PM
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Xavier Fayolle, Sylvain Calloch, François Hild. CONTROLLING TESTING MACHINES WITH DIGITAL IMAGE CORRELATION. Experimental Techniques, Society for Experimental Mechanics, 2007, 31 (3), pp.57-63. ⟨10.1111/j.1747-1567.2007.00152.x⟩. ⟨hal-00199383⟩

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