Abstract
In this paper, the development of an elastic inflatable actuator (EIA) for the generation of unconscious sitting discomfort to encourage users towards dynamic sitting is discussed. The EIA is printed with fused filament fabrication (FFF) of flexible thermoplastic polyurethane (TPU). In order to adapt the actuator to the requirements, a finite element analysis (FEA) is built up, which is based on tensile tests of the TPU. The FEA is then compared with force-displacement measurements of the printed EIA. It is shown that the simulation represents the experiment, as long as similar conditions are ensured. Due to the given use case, an almost static load can be assumed, which is represented in the simulation. In this context, the simulation model can thus be utilized for a subsequent optimization of the actuator for the application in intelligent seating systems.
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Gust, P., Kampa, S., Kuhlmeier, M., Sauder, C., Sersch, A. (2021). Development of an Elastic Inflatable Actuator for Active Seating Systems. In: Trzcielinski, S., Mrugalska, B., Karwowski, W., Rossi, E., Di Nicolantonio, M. (eds) Advances in Manufacturing, Production Management and Process Control. AHFE 2021. Lecture Notes in Networks and Systems, vol 274. Springer, Cham. https://doi.org/10.1007/978-3-030-80462-6_5
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DOI: https://doi.org/10.1007/978-3-030-80462-6_5
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