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Métodos no destructivos para la determinación de firmeza. Sensores de Aceleración. Impactadores.

Abstract

Impact techniques can be used to evaluate firmness on fruit. Chen and Ruiz-Altisent developed and used a 50,4 g impactor with a 19 mm diameter spherical tip, dropping from different heights onto the fruit. Another impactor device is a semispherical impacting tip attached to the end of a pivoting arm. In both devices a small accelerometer is mounted behind the impacting tip. Prototype lateral impactor on-line sorting system for high-speed firmness sorting of fruits has been developed and tested. Preliminary results shows that is possible its use on-line. The last version of an impact device has new elements that improve the data resolution, the signal-noise ratio and the precision

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