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Development of a Validated Aircraft Child Restraint Model
Technical Paper
2000-01-2110
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Studies conducted at the FAA Civil Aeromedical Institute have shown that when used in aircraft, automotive Child Restraint Devices (CRDs) do not always provide the level of safety desired. Various factors that contribute to poor performance, such as seat belt anchor location, cushion stiffness, and CRD design features, were evaluated by a dynamic impact test program. To efficiently continue the research, a computer model was developed using MADYMO. Results of two of the impact tests were used to validate the model. Both test configurations utilized a typical commercial transport airplane passenger seat and a popular automotive CRD. These tests were considered representative of the extremes of CRD and occupant kinematics due to variance in seat belt anchor location. Details are presented of the test parameters and geometry, as well as cushion and restraint system properties. Test and modeling results for these two impact conditions are summarized and compared. Parametric studies were then conducted that used the model to investigate the effect of cushion stiffness, belt anchor spacing, and initial belt tension.
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Citation
Pipino, M., Mugnai, A., and DeWeese, R., "Development of a Validated Aircraft Child Restraint Model," SAE Technical Paper 2000-01-2110, 2000, https://doi.org/10.4271/2000-01-2110.Also In
References
- Title 14, United States Code of Federal Regulations, Parts 91,121,125, and 135, Amendments 91-231, 121-230, 125-17, and 135-44 U.S. Government Printing Office Washington D.C.
- Gowdy, R.V. DeWeese, R.L. “The Performance of Child Restraint Devices in Transport Airplane Passenger seats,” OAM Report DOT/FAA/AM-94/19 FAA Office of Aviation Medicine Washington D.C. September 1994
- Title 14, United States Code of Federal Regulations, Part 25, Section 25.562 U.S. Government Printing Office Washington D.C.
- Title 49, United States Code of Federal Regulations, Part 571, Section 213, Child Restraint Systems U.S. Government Printing Office Washington D.C.