Impact-test Dummies
Abstract
Characteristics of foreign and Japanese three dimensional gravity manikinth accelerometers set up in the body were described. The movement of the bodyis usually analysed by means of high speed cameras. Other items of measurement are contact areas, displacement of body parts, impact pressure, etc. About 20 ariginal and 83iported impact-test dummies are now used in Japan: in automobile or motor-cycle industries and in the air forces. The standardization of the measurement of accelerations as well as simulation of the moment of inertia and of the elasticity' the surface materials would be urgent. With respect to recording techniques, special dzmmies for g-measurement with a telemetering system are provided by Ito et al for ejection seat test. Torso type or articulated type dummies for parachute descent tests with a magnetic tape recording system are also in practical use.
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