Abstract
Abstract This work reports the evaluation of a tactile sensor for the potential of using it to measure the compliance of folding cartons. A tactile sensor would make it possible to measure the mechanical behavior locally around the contact point, in contrast to existing methods that measure the global mechanical behavior of the carton. Research on the haptic sense has shown that the local mechanical behavior is more important than the global behavior when humans assess compliance of objects. It is shown that the response of the tactile sensor correlates strongly with the bending stiffness of the board, but also with geometric features. A method for reducing the 22-dimensional output of the sensor to single meaningful feature using linear discriminant analysis is proposed and tested. The results show that the sensor is a good candidate for a method that incorporates both cutaneous and kinaesthetic information in the measure of carton compliance.
Highlights
The moment of truth for a package is when a potential customer gets hold of it in a retail store (Löfgren 2005)
This work reports the evaluation of a tactile sensor for the potential of using it to measure the compliance of folding cartons
It is shown that the response of the tactile sensor correlates strongly with the bending stiffness of the board, and with geometric features
Summary
The moment of truth for a package is when a potential customer gets hold of it in a retail store (Löfgren 2005). It is that the decision is made – should I purchase this product or not? Previous research has shown that the mere act of touching a product influences the judgement of it (Peck and Childers 2006, 2003). A range of studies have shown examples of this effect in practice. Food may be perceived as more crunchy when its package is given a rougher surface (Piqueras-Fiszman and Spence 2012). Whether a soup is perceived as natural or not may in part depend on the package in which it comes (Labbe et al 2013)
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