A Firmness Sorting Criterion for Blueberries
作者： R. P. Rohrbach , J. E. Franke , D. H. Willits
DOI: 10.13031/2013.33516
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摘要: ABSTRACT A nonlinear differential equation was used to model the contact force of rebounding blueberry. Model parameters were determined by a least squares curve fitting algorithm resulting in correlations 0.98 for mass with berry and 0.62 firm-ness firmness. The peak parameter (pro-portional max force/square time force) can be quickly correlates well firmness (R = 0.87).
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