TEKNIK ELEKTRONIKA

In collisions with vehicles, pedestrians typically have far less chances to survive than vehicle occupants. A technology developed by the University of Kassel (Germany) aims at improving the situation by establishing a radio-based warning system.

Available pedestrian detection systems installed in cars typically are based on optical, infrared or radar technologies and hence require a line-of-sight connection between vehicle and pedestrian. Thus, these systems have the disadvantage that they do not detect pedestrians hidden between, say roadside parking vehicles or behind corners.

The technology developed by the Kassel University scientists does away with this problem. The pedestrian is carrying a mobile phone with integrated sensors for movement vectors. Speed and direction of the pedestrian are detected and combined with context and profile data such as age of the person, acceleration and the like. These data are transmitted to any vehicles in a distance of about 70 meters (200 feet). An electronic subsystem in the vehicle

View the Original article