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Assessing new child dummies and criteria for child occupant protection in frontal impact

  • The European Enhanced Vehicle-safety Committee wants to promote the use of more biofidelic child dummies and biomechanical based tolerance limits in regulatory and consumer testing. This study has investigated the feasibility and potential impact of Q-dummies and new injury criteria for child restraint system assessment in frontal impact. European accident statistics have been reviewed for all ECE-R44 CRS groups. For frontal impact, injury measures are recommended for the head, neck, chest and abdomen. Priority of body segment protection depends on the ECE-R44 group. The Q-dummy family is able to reflect these injuries, because of its biofidelity performance and measurement capabilities for these body segments. Currently, the Q0, Q1, Q1.5, Q3 and Q6 are available representing children of 0, 1, 1.5, 3 and 6 years old. These Q-dummies cover almost all dummy weight groups as defined in ECE-R44. Q10, representing a 10 year-old child, is under development. New child dummy injury criteria are under discussion in EEVC WG12. Therefore, the ECE-R44 criteria are assessed by comparing the existing P-dummies and new Q-dummies in ECE-R44 frontal impact sled tests. In total 300 tests covering 30 CRSs of almost all existing child seat categories are performed by 11 European organizations. From this benchmark study, it is concluded that the performance of the Q-dummy family is good with respect to repeatability of the measurement signals and the durability of the dummies. Applying ECE-R44 criteria, the first impression is that results for P- and Q-dummy are similar. For child seat evaluation the potential merits of the Q-dummy family lie in the extra measurement possibilities of these dummies and in the more biofidelic response.

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Author:Kate de Jager, Michiel van Ratingen, Philippe Lesire, Hervé Guillemot, Claus Pastor, Britta SchnottaleORCiD, Gonçal Tejera, Jean-Philippe Lepretre
Document Type:Conference Proceeding
Date of Publication (online):2014/09/19
Year of first publication:2005
Contributing corporation:TNO Science and Industry
Release Date:2014/09/19
Tag:Anfahrversuch; Bewertung; Biomechanik; Dummy; Europa; Fahrzeugsitz; Frontalzusammenstoß; Kind; Passives Sicherheitssystem; Reproduzierbarkeit; Verletzung
Anthropometric dummy; Biomechanics; Child; Europe; Evaluation (assessment); Head on collision; Impact test (veh); Injury; Passive safety system; Reproducibility; Seat (veh)
Volltext: http://www-nrd.nhtsa.dot.gov/pdf/nrd-01/esv/esv19/05-0157-O.pdf
Source:Proceedings 19th International Technical Conference on the Enhanced Safety of Vehicles, Washington, D.C., June 6-9, 2005
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 / 84 Personenschäden
BASt-Beiträge / ITRD Sachgebiete / 91 Fahrzeugkonstruktion
BASt-Beiträge / Tagungen / International Technical Conference on the Enhanced Safety of Vehicles (ESV) / 19th ESV Conference 2005

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