Open AccessCONTROLLING TESTING MACHINES WITH DIGITAL IMAGE CORRELATION
Author(s) -
Fayolle X.,
Calloch S.,
Hild F.
Publication year - 2007
Publication title -
experimental techniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.33
H-Index - 34
eISSN - 1747-1567
pISSN - 0732-8818
DOI - 10.1111/j.1747-1567.2007.00152.x
Subject(s) - digital image correlation , extensometer , pixel , strain gauge , tensile testing , displacement (psychology) , displacement field , computation , ultimate tensile strength , digital image , sample (material) , chip , computer science , structural engineering , image (mathematics) , artificial intelligence , image processing , algorithm , engineering , materials science , finite element method , composite material , telecommunications , physics , psychology , psychotherapist , thermodynamics
WOSInternational audienceIt 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