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Méthodes d’ergonomie prospective pour l'exploration des besoins futurs : applications à l’hydrogène énergie pour l’habitat

Abstract : Emerging hydrogen energy technologies will be integrated into future energy systems, which will not exist for several years. In this case, the analysis of current situations of uses is beneficial, but also insufficient, as it does not allow the identification of user needs that would be at odds with current uses. Ergonomics must therefore evolve to identify at an early stage the future needs that could be associated with these systems that do not yet exist. Nevertheless, anticipating future needs is difficult because users have a poor representation of the future and of future artefacts and activities. Moreover, designers have a representation of users that does not necessarily correspond to reality and they rely on the analysis of present situations to infer future needs. The definition of future artefacts’ ideas is also challenging because users do not have sufficient knowledge and designers focus on technical aspects, have difficulty integrating users and tend to limit themselves to their current knowledge of users and artefacts. This thesis aims at identifying methods that support a future user-centred ideation in the future fuzzy front end design phase. To meet this objective, this thesis proposes to evaluate and apply to hydrogen energy, a future fuzzy front end design phase methodology based on (1) the involvement of precursory users in needs anticipation interviews and (2) the use of the prospective persona method by experts. This thesis is based on three studies. Study 1 is a meta-analysis of the scientific literature on hydrogen energy. This study showed that the use of hydrogen energy for housing is little studied, even though it is a promising application, and that the users are insufficiently considered in this matter. Study 2 concerns the analysis of needs anticipation interviews on the theme of energy for housing. The results indicate that precursory users provide an opportunity to identify future needs that they are experiencing at present and that they have a rich representation of the field that enables them to imagine new future needs. Study 3 focuses on the analysis of creativity sessions carried out with ordinary persona, prospective persona or without persona. The results indicate that prospective persona promotes the generation of new and feasible artifact ideas.
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Submitted on : Wednesday, June 23, 2021 - 9:41:08 AM
Last modification on : Saturday, September 25, 2021 - 3:31:02 AM
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Antoine Martin. Méthodes d’ergonomie prospective pour l'exploration des besoins futurs : applications à l’hydrogène énergie pour l’habitat. Psychologie. Université de Lorraine, 2021. Français. ⟨NNT : 2021LORR0074⟩. ⟨tel-03268330⟩



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