Easy Rain: an innovative active on board system able to contrast hydroplaning phenomenon..

Paper #:
  • 2018-01-1174

Published:
  • 2018-04-03
Abstract:
Hydroplaning is a very dangerous phenomenon, which occurs more often respect to a common thinking. The difference of grip of tyres in wet surface towards dry is not more than 15-20%, which doesn’t justify the increase of probability of losing the vehicle control when it rains or when roads are simply wet. Most of the accidents are due to the hydroplaning phenomenon, which happens when the tyres are lifted by the water and their grip goes to zero, as driving on ice. There isn’t any system on the market able to counteract hydroplaning yet: ABS, ESP or TCS are inefficient in this situation. Many car makers have developed algorithms which can detect there is a hydroplaning condition but only after being in: the conclusion is that there isn’t any action until now that the vehicle itself can take automatically without the risk of potential dangerous consequences.. The Easy Rain system is able to contrast arising of hydroplaning, preventing that a large quantity of water will touch the tyre, using an intelligent high pressure jet of water, splashed in front or around the tyres. The direction, quantity and shape of the jet are controlled for maximizing the performance, maintaining the vehicle on tracks in any hydroplaning condition the driver can find on the road. The system uses the normal sensors of the cars to recognize the hydroplaning phenomenon, sniffing all data from the vehicle serial bus, with a very limited impact on the electronic on board architecture. An electronic control unit is used to activate and control the high pressure water jets: future applications will integrate it into an existing electronic unit of the vehicle, such as body electronics or ESP. In the article will be described more deeply the hydroplaning phenomenon, how the Easy Rain system works, how its system architecture is, which performances were measured on a vehicle equipped with a working prototype system tested on a special test track, with and without the system, and what are the future development steps and go to market strategy.
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