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Seat Evaluation Tools (SETs): Development of prototype concepts of the SETs of an average female and male for low severity rear impact crash testing
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System.ORCID iD: 0000-0003-1067-2751
Swedish National Road and Transport Research Institute, Infrastructure, Crash safety.
Chalmers University, Sweden.ORCID iD: 0000-0002-8304-1398
Swedish National Road and Transport Research Institute, Traffic and road users, Traffic Safety and Traffic System. Chalmers University, Sweden.ORCID iD: 0000-0001-6868-5673
2022 (English)Report (Other academic)Alternative title
Sätesutvärderingsverktyg (SET) : Utveckling av prototypkoncept för SET gällande genomsnittlig kvinna och man för provning av upphinnandekollision vid låg fart (Swedish)
Abstract [en]

The aim of this study has been to develop new Seat Evaluation Tools (SET)s with the geometries of an average female (50F) and male (50M) as seated car occupants, based on data from humanshape.org. The SETs have been designed to evaluate the occupant protection performances of car seats in a low severity rear impact.

Focus areas have been the motion of the spine, neck and shoulders to enable a human-like interaction with the car seat. Improvements have been made to previous designs of the neck spring and damper system, and a new solution for shoulder flexibility has been implemented. Soft body materials have been used to facilitate the motion of the torso, and a 3D thoracic and lumbar spine design has been developed.

Two physical prototypes, SET v0.1 50F and 50M, have been developed and all drawings and CAD models have been made available under open-source license on the OpenVT platform (https://openvt.eu/). The prototypes have been run in initial dynamic tests and the results have been compared to previous volunteer tests.

This work was carried out within the EU-funded project, VIRTUAL.

Abstract [sv]

Syftet med denna studie har varit att utveckla nya sätesutvärderingsverktyg, Seat Evaluation Tools (SET), med geometrierna för en genomsnittlig kvinna (50F) och man (50M) som sittande fordonspassagerare, baserade på data från humanshape.org. SET har utformats för att utvärdera fordonssätets skyddsprestanda vid en upphinnandekollision i låg hastighet.

Fokusområden har varit rörelsen i ryggrad, nacke och skuldror för att ge en människolik interaktion med fordonssätet. Förbättringar har gjorts utifrån tidigare lösningar för dämpning av nacken och ett nytt koncept för skuldrans rörlighet har implementerats. Mjuka material har använts för att underlätta torsons rörlighet och en bröst- och ländrygg med rörlighet i tre dimensioner har utvecklats.

Två fysiska prototyper, SET v0.1 50F och 50M, har utvecklats och samtliga ritningar och CAD-modeller finns tillgängliga genom OpenVT-plattformen (https://openvt.eu/). Prototyperna har testats i krockprov och resultaten har jämförts med tidigare voluntärtester.

Arbetet har varit en del av det EU-finansierade projektet VIRTUAL.

Place, publisher, year, edition, pages
Linköping: Statens väg- och transportforskningsinstitut, 2022. , p. 82
Series
VTI rapport, ISSN 0347-6030 ; 1147A
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:vti:diva-19117OAI: oai:DiVA.org:vti-19117DiVA, id: diva2:1709745
Projects
VIRTUAL (Open Access Virtual Testing Protocols for Enhanced Road User Safety)Available from: 2022-11-09 Created: 2022-11-09 Last updated: 2023-12-06Bibliographically approved

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Karemyr, MagnusPettersson, TommyLinder, Astrid

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