Maîtrise de la qualité haptique des produits : Formalisation du contrôle haptique et proposition d’une méthodologie de mise en oeuvre

Abstract : The work carried out during this thesis led to the proposal of a methodological and software solution that helps manufacturers to better master the haptic sensory inspection of their products. This type of quality control, which uses the sense of touch in a dynamic way, poses many problems in the industry. A case study, carried out on luxury watch bracelets, illustrates the difficulty of objectively and repeatedly judging the haptic quality of products. Our review of the literature also confirms that the implementation of sensory inspection requires a great deal of expertise to acquire and capitalize. In particular, the way a haptic sensation is described and the way the product is inspected generally have a significant impact on the result of the control. In order to reduce these difficulties, three main contributions are made. First, a method is proposed to formalize the elementary haptic sensations at the origin of sensory perception. A semantic modeling process leads to the identification of a reduced number of elementary haptic sensations and their relationship to the words used in this field. An ontological representation is then constructed, on the basis of existing models, to structure in a robust way all the knowledge necessary for haptic inspection (descriptors, sensations, anomalies, stimuli, sensory receptors, effectors, exploration modes, etc.). This modeling makes it possible to provide a contextualized access to this knowledge and to enrich it over time. Finally, we propose a methodology to help the systematic implementation of the haptic inspection of products. It relies on the knowledge base to generate an inspection standard adapted to the specific problem encountered. This standard includes the formalized specifications of the haptic anomalies to be inspected and the inspection protocols to be used. The INSENSO software tool, developed within the company INEVA, integrates this inspection implementation methodology and the associated knowledge management system. The application of this methodology to the case of watch bracelets has led to the development of a haptic inspection standard. The use of this standard has significantly reduced the variability of inspection results. The solutions developed for the haptic inspection of products open many perspectives in the more general field of sensory inspection, especially regarding its instrumentation.
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Bruno Albert. Maîtrise de la qualité haptique des produits : Formalisation du contrôle haptique et proposition d’une méthodologie de mise en oeuvre. Méthodologie [stat.ME]. Université Grenoble Alpes, 2019. Français. ⟨tel-02137398⟩

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