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Car tires monitor their wear

23.05.2014

German tire and parts manufacturer Continental AG is developing "smart" tires that will promptly notify the driver of tread wear, pressure drops and other abnormal situations. New products can enter the serial market in a few years.

According to the idea of Continental engineers, a new type of tire will receive an electronic sensor that, using special software while driving, will be able to determine tire wear by changing their deformation characteristics. As soon as the system registers the minimum value for the tread depth (3 mm for summer tires and 4 mm for winter), the driver will receive a warning signal to replace the "bald" tire.

In addition, the sensor can be connected to the car's telematics system, and then the car will automatically contact an authorized service center and notify them of an imminent tire fitting.

The new feature will be part of Continental's TPMS (Tires Pressure Monitoring System) tire pressure monitoring system. The complex will be able to work in tandem with smartphones and display information on the gadget’s screen about the current tire pressure and its required value in accordance with the current vehicle load. The technology will notify the driver of a decrease in pressure and an excess of the permissible load.

Continental promises to introduce its development into production vehicles in 2017. It was previously reported that all passenger cars sold in the EU from November 2014 will be equipped with a tire pressure sensor.

In February 2014, the Finnish company Nokian Tires showed its achievements in the car tire market. She created tires with electronic stud extension, which allows the use of such rubber in various weather conditions.

At the Geneva International Motor Show, tire maker Goodyear Dunlop showed off a concept tire that, using an embedded microchip, transmits pressure, temperature and tire wear data to the vehicle's on-board computer. This information is then used by various safety systems, resulting in improved performance of the stability control system and shorter braking distances during ABS operation.

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