Slight free falling impact test for assessing guava maturity

Cheng-Chang Lien, Ching-Hua Ting

Department of Biomechatronic Engineering, National Chiayi University.
Department of Mechanical and Energy Engineering, National Chiayi University.

DOI: 10.4236/as.2013.45B004                

Abstract

A non-destructive method for assessing the maturity of guava was developed based on the mechanical properties of the fruit under the slight falling impact test. The levels of maturity were classified with cluster and discriminant analyses on the primitive impact measurements and their derivatives. The accuracy of classification was improved with linear discriminant analysis and the number of indices being processed was reduced with stepwise regression analysis. The accuracy of classification is 84.21%. The performance shows that slight falling impact together with linear discriminant analysis provides a promising non-destructive approach in assessing the maturity of guavas.

Keywords

Falling impact; Guava; Cluster Analysis; Discriminating Analysis; Stepwise Regression Analysis; Fruit Maturity

Conflicts of Interest

The authors declare no conflicts of interest.

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