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The tensile testing machine was constructed for determination of true stress and strain of carbon steel and image processing technique was proposed to detect a projection diameter of the specimen for actual area calculation. The main components of the tensile testing machine consists of a hydraulic cylinder and a hydraulic unit to proceed the tension force, upper and lower grippers to clamp the specimen,...
This research aimed to create a tool for pineapples quality grading according to the standard weight and size of Thai Agricultural Commodity Food Standard. The standard weights of pineapple are divided into 10 levels (A-J) and the standard sizes of pineapple are categorized into two classes (class I and class II). The developed tool consists of hardware components and a grading software program. The...
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