System automatically detects black ice on roads in real time

by Laura Domela

Finland’s VTT Technical Research Centre has developed a system for drivers that automatically detects black ice on roads.

Black-ice detection is based on a method developed by VTT, whereby changes in road conditions are detected in real time, based on data collected by the car’s own sensors.

‘The method entails estimating the difference in the speeds of the drive shaft and freely rotating axles in various driving situations, which enables deduction of the level of friction’, said senior scientist Kimmo Erkkilä in a statement.
via The Engineer

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System automatically detects black ice on roads in real time

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