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Evaluation of a Flexible Pedestrian Legform Impactor (FlexPLI) for the implementation within legislation on pedestrian protection

  • A flexible pedestrian legform impactor (FlexPLI) with biofidelic characteristics is aimed to be implemented within global legislation on pedestrian protection. Therefore, it is being evaluated by a technical evaluation group (Flex-TEG) of GRSP with respect to its biofidelity, robustness, durability, usability and protection level (Zander, 2008). Previous studies at the Federal Highway Research Institute (BASt) and other laboratories already showed good progress concerning the general development, but also the need for further improvement and further research in various areas. An overview is provided of the different levels of development and all kinds of evaluation activities of the Flex-TEG, starting with the Polar II full scale pedestrian dummy as its origin and ending up with the latest legform impactor built level GTR that is expected to be finalized by the end of the year 2009. Using the latest built levels as a basis, gaps are revealed that should be closed by future developments, like the usage of an upper body mass (UBM), the validation of the femur loads, injury risk functions for the cruciate knee ligaments and an appropriate certification method. A recent study on an additional upper body mass being applied for the first time to the Flex-GT is used as means of validation of recently proposed modified impact conditions. Therefore, two test series on a modern vehicle front using an impactor with and without upper body mass are compared. A test series with the Flex-GTR will be used to study both the comparability of the impact behavior of the GT and GTR built level as well as the consistency of test results. Recommendations for implementation within legislation on pedestrian protection are made.

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Author:Oliver Zander, Dirk-Uwe Gehring, Peter Leßmann, Jens Bovenkerk
Document Type:Conference Proceeding
Date of Publication (online):2013/11/22
Year of first publication:2009
Contributing corporation:BGS Böhme & Gehring GmbH <Bergisch Gladbach>
Release Date:2013/11/22
Tag:Bewertung; Dauerhaftigkeit; Dummy; Fußgänger; Gesetzgebung; Knie (menschl); Konferenz
Anthropometric dummy; Conference; Durability; Evaluation (assessment); Knee (human); Legislation; Pedestrian
Weiterhin beteiligt: Technische Hochschule Aachen, Lehrstuhl und Institut für Kraftfahrzeuge.
Volltext: http://www-nrd.nhtsa.dot.gov/pdf/esv/esv21/09-0277.pdf
Source:Proceedings of the 21st International Technical Conference on the Enhanced Safety of Vehicles, June 15-18, 2009, Stuttgart, Germany
Institutes:Abteilung Fahrzeugtechnik / Abteilung Fahrzeugtechnik
Sonstige / Sonstige
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 62 Ingenieurwissenschaften / 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
collections:BASt-Beiträge / ITRD Sachgebiete / 91 Fahrzeugkonstruktion
BASt-Beiträge / Tagungen / International Technical Conference on the Enhanced Safety of Vehicles (ESV) / 21st ESV Conference 2009

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