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Comparison of D-Plane Measurement Methods for the Hybrid III Small Female Neck Flexion Test
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 14, 2008 by SAE International in United States
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This study by the Anthropomorphic test device Certification Research group (ACR) takes a new look at dummy neck rotation measurement methods. The authors' previous SAE Congress paper, Watters et al., 2005, focused on comparing three different rotary pot measurement systems in the same Hybrid III 5th Female neck flexion test at a single laboratory . Differences between the pot systems, and between the pot systems and video analysis of the head rotation, were found to be a significant component of the observed test variation. The 2005 rotary potentiometer study used a modified head known as the Nine Accelerometer Array Head (NAAH). The NAAH data for rotation about the Y-axis, only recently analyzed, showed exceptional agreement with the video analysis as compared to the rotary potentiometer data.
This new series of 5th Female neck flexion tests has been conducted using four rotation measurement methods simultaneously: 1) one of the previously- tested conventional rotary potentiometer systems, 2) the NAAH, 3) video analysis, and 4) gyro measurement. A comparison of the four rotation measurement methods is presented.
|Technical Paper||Six-Degree-of-Freedom Accelerations: Linear Arrays Compared with Angular Rate Sensors|
|Ground Vehicle Standard||Performance Specifications for Anthropomorphic Test Device Transducers|
|Ground Vehicle Standard||Hybrid III Family Chest Potentiometer Calibration Procedure|
CitationJenkins, J., Al-Tabakha, E., Below, J., Depinet, P. et al., "Comparison of D-Plane Measurement Methods for the Hybrid III Small Female Neck Flexion Test," SAE Technical Paper 2008-01-0531, 2008, https://doi.org/10.4271/2008-01-0531.
Data Sets - Support Documents
|Unnamed Dataset 1|
- Watters, V.L. Jenkins, J.D. Below, J.D. Depinet, P.J. “Hybrid III 5th Female Neck Test Rotation Measurement” SAE Technical Paper 2005-01-0303
- SAE Hybrid III Dummy Neck Round-Robin Task Group “Hybrid III Dummy Neck Round-Robin Testing” SAE 971043 1997
- Title 49 Code of Federal Regulations Part 572, subpart O (Part 572-O)-Hybrid III 5 th Percentile Female Test Dummy alpha Version (572.133 - Neck assembly and test procedure)
- “User's Manual for the Small Adult Female Hybrid III Test Dummy” May 1998
- Below, J.D. Depinet, P.J. Jenkins, J.D. Watters, V.L. “Determining the Precision of the Hybrid III Small Female Neck Calibration Laboratory Test Procedure Using ASTM E 691,” SAE Technical Paper 2007-01-1172
- National Highway Traffic Safety Administration and The Physical Science Laboratory Review of Head Rotational Measurements During Biomechanical Impact Tests August 1977
- Padgonakar, A.J. Krieger, K.W. King, A.F. “Measurement of Angular Acceleration of a Rigid Body Using Linear Accelerometers,” Journal of Applied Mechanics September 1975 552 556
- National Highway Traffic Safety Administration “Procedures for Assembly, Disassembly, and Inspection (PADI) of the Hybrid III 5 th Percentile Female Dummy's Nine Accelerometer Array Head (NAAH) With Redundant Head C.G. Accelerometers,” February 2001
- National Highway Traffic Safety Administration “Procedures for Checking and Recording Dummy Accelerometer Polarity for the HIII 50 th and 5 th Percentile Nine Accelerometer Array Head With Redundant C.G. Accelerometers,”
- Merkle, A.C. Wing, I. Szcepanowski, R.S. McGee B.M. Voo, L.M. Kleinberger, M. “Evaluation of Angular Rate Sensor Technologies for Assessment of Rear Impact Occupant Responses,” John Hopkins University Applied Physics Laboratory for NHTSA May 2007
- Voo, L. Merkle, A. Chan, S. Kleinberger, M. “Comparison of Three Rotation Measurement Techniques in Rear Impact Application,” SAE Technical Paper 2003-01-0174 2003
- Alderson, S.W. Rezko, J.D. Stobbe, J.D. Wright, S.G. “Hybrid III Testing: Problems and Solutions” SAE Technical Paper 860202
- SAE J211/1 1995 “Instrumentation for impact tests - Part 1: Electronic Instrumentation.” Society of Automotive Engineers Warrendale, PA
- “The Black Belt Memory Jogger” Goal/QPC 1-57681-043-7 2002