DEVELOPMENT OF A STERNUM DISPLACEMENT SENSING SYSTEM FOR HYBRID III DUMMY

This paper describes a new 3D-MUSTERDS-Three Dimensional Multi-Point Sternum Displacement Sensing System. The aim is to measure chest deflections of anthropomorphic dummy to be used in vehicle collision tests. The 3D-MUSTERDS consists of: (1) an optical position sensing system. This sensing system consists of light emitting diodes (LEDs) which are installed on the sternum, and a position sensing detector (PSD) cameras installed on the thoracic spine. It is placed in the rib cage; and (2) an external system to calculate and control the coordinates. This new system is characterized by the ease with which it can be applied to the chest of Hybrid m dummy. It is also verified that its frequency response and the impact resistance are excellent, with sufficient capabilities as a practical system for the measurement of the sternum (chest) deflections in normal collision tests. The paper also describes some examples of the applications of the system. (A) For the covering abstract of the conference see IRRD 864606.