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Technical Paper

Headform Development for Neck Calibrating Tests of the SID-IIs Side Impact Dummy

2001-03-05
2001-01-0121
The SID-IIs side impact dummy is a newly designed dummy as an anthropomorphic test device for small size person to be used in side impact crash testing. The head and neck are one of the key components for SID-IIs dummy designing, manufacturing, and testing. This paper is focused on the development of a Headform to be used for neck calibration of the SID-IIs side impact dummy. It will be very difficult in neck calibration measurement of the SID-IIs dummy if its head is used for the test directly. The Headform is one of the methods to solve this problem. However, the Headform must be consistent in achieving equivalent functional performance as the dummy head and associated physical properties. A 3-D head model has been developed for obtaining initial basic information. The offset can be controlled within 3% during the engineering design of the Headform. The neck dynamic test has been done before the Headform test.
Technical Paper

Development and Testing of a Prototype Pregnant Abdomen for the Small-Female Hybrid III ATD

2001-11-01
2001-22-0003
A new prototype pregnant abdomen for the Hybrid III small-female ATD is being developed and has been evaluated in a series of component and whole-dummy tests. The new abdomen uses a fluid-filled silicone-rubber bladder to represent the human uterus at 30-weeks gestation, and incorporates anthropometry based on measurements of pregnant women in an automotive driving posture. The response of the new pregnant abdomen to rigid-bar, belt, and close-proximity airbag loading closely matches the human cadaver response, which is thought to be representative to the response of the pregnant abdomen. In the current prototype, known as MAMA-2B (Maternal Anthropomorphic Measurement Apparatus, version 2B), the risk of adverse fetal outcome is determined by measuring the peak anterior pressure within the fluid-filled bladder.
Technical Paper

Development of Anthropometric Specifications for the Six-Year-Old OCATD

2001-03-05
2001-01-1057
Advanced airbag systems use information from a variety of sensors to tune the airbag performance for crash severity and occupant characteristics. A new family of Occupant Classification ATDs (OCATD) have been developed for use in the design and testing of advanced airbag systems. This paper describes the development of anthropometric standards for an OCATD that represents a typical six-year-old child. Detailed analyses of existing child anthropometry databases were conducted to develop reference dimensions. A child who closely matched the reference dimensions was measured in a variety of conditions. A custom molded measurement seat was constructed using foam-in-place seating material. The surface of the child's body was scanned as he sat in the custom seat, and the three-dimensional locations of body landmarks defining the skeleton position were recorded.
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