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Research paves way for safer cars


Anticollision systems will be the next step on the way to even safer cars. Researchers in Trondheim are helping the automotive industry to turn plans into reality.

Modern vehicles contain a large number of built-in computers. The project aims to develop software for use both in anticollision systems and in systems designed to prevent car from turning over. In both systems the vehicle itself takes command when it is physically impossible for the driver himself to react sufficiently rapidly and appropriately.

A number of modern cars are already fitted with anti-skid systems - technology that corrects the course of the car even before it loses its grip on the road. Some cars are also fitted with anti-rollover systems. These systems obtain their information from sensors that measure acceleration, how far the steering wheel has been turned and how fast each of the wheels is turning.

The scientists from Trondheim are developing a system that performs further, extremely rapid, processing on the data from these sensors.

The system being developed by the Norwegian scientists uses information from the sensors to calculate the forward and lateral speeds of the vehicle, as well as the extent and speed of any roll. These are measures that the car’s own computer needs to have if it is to avoid collisions and rollovers.

-There are two aspects that distinguish our solution from existing systems, says Lars Imsland from the SINTEF Group. -We have mathematically demonstrated that the estimated velocity is correct. At the same time, our solution does not require a great deal of computing power, which means that safer cars need not be too expensive.

The core of an anticollision system will consist of a camera and radar that warn the vehicle of imminent danger. Messages will be sent from several integrated computers to tell each of the wheels how much they need to brake. For these messages be correct, the car must know its own speeds both forwards and sideways, which is where the Norwegian contribution comes in.

-Daimler is so interested in the results of our project that we will soon have permission to install the first version of the system in Mercedes test vehicles, which should be very interesting”.

Imsland and four fellow scientists make up the SINTEF/NTNU team in an EU research project in which the Mercedes parent company Daimler Chrysler is the industrial partner

Lars Imsland | alfa
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