Abdominal Intrusion Sensor for Evaluating Child Restraint Systems 860370

A sensor is described that can continuously monitor intrusion and associated pressure in the abdominal area of a child dummy. A prototype device was installed in a Part 572 3-year-old dummy and used in a series of dynamic tests with a variety of child restraint systems. The sensor was able to discriminate among different restraint configurations over a range of 0 to 55 psi. The performance differences observed, in terms of peak pressures and pressure-time waveforms, were further evaluated in relation to dummy kinematics and restraint system construction.


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