Human factors for the evaluation of the user expertise in the usage of power tools

Proceedings of the 31st Symposium Design for X (DFX2020)

Year: 2020
Editor: Dieter Krause; Kristin Paetzold; Sandro Wartzack
Author: Helmstetter, Sebastian; Germann, René; Abbes, Moez; Matthiesen, Sven
Series: DfX
Institution: IPEK - Institut of Product Engineering; Karlsruher Institut of Technology (KIT)
Section: User-Centred Design
Page(s): 21-30
DOI number: https://doi.org/10.35199/dfx2020.3

Abstract

In order to optimize the use of hand/ power tools, user differences such as the influence of user expertise must be considered in product design. Therefore, product-independent non-application-specific variables are needed to objectively capture user expertise. In sports science, the characteristics of movement are used to evaluate the training level. To what extent these variables can be used for product development is unknown. Therefore, a study with 6 male subjects was carried out to analyze correlations between efficiency and characteristics in the movement behavior of the subjects when hammering. Results indicate a clear difference between experienced and less experienced users. Moreover, the movement of the more efficient subjects was spreading less than those of the less efficient ones.

Keywords: User-centered Design; Human-Machine System; Human Factors; User Expertise

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