Studies show that approximately half of the drivers take defensive action (such as stop or suddenly change the direction of the steering wheel) to avoid a collision, while it is typical that the vehicle occupants to tighten in preparation for the moment a collision. This is indicated by data collected by the National Research Institute of Road Traffic (2007).
The position of the vehicle occupant, is tense or relaxed, have a significant effect on body movement during a crash. However, the current proxy models, which are used in the simulations of virtual collisions, are not capable of simulating the reflective defensive actions that humans have in the moments before an impending collision, and tension the body upon impact.
To fix this, Toyota successfully added a new model with muscular capacity that can simulate actual positions of a human being with its latest version of “Total Human Model for Safety” (Thums, for short ), a software with features of a living being. THUMS Version 5 can simulate a variety of conditions, from relaxed to tense, giving a more detailed analysis of computer capacity to anticipate injuries caused by a collision.
So far, only he had the ability THUMS to simulate changes in posture, after a collision, however, this version 5 with muscular model can simulate changes in the position of the occupant prior to the collision. This makes greater precision and effectiveness possible, not only for safety belts, air bags and other safety equipment, but also strengthens other security technology, such as pre collision system. These developments will advance the development of active safety technologies that better protect occupants of vehicles. THUMS Version 5 is available on the Corporation based in Tokyo jSol ESI Corporation and Japan.
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