Traffic information with all the senses
First Floating Car Data Systems transmitted travel times and locations out of range-outs or time-outs. Enhanced methods compares the onboard travel times with expected travel times to transmit only travel times which exceed a certain threshold value. Different kind of sensors can be mounted in the car and the results of
measurements transferred. In modern vehicles numerous control devices and subsystems generates data which can be used by intelligent algorithms to detect traffic states and safety relevant events and situations (Extended Floating Car Data – XFCD).
BMW Group has presented a practical test of a system of communication between vehicles and exchange of information about traffic situations.
Three prototype vehicles fitted with the "Extended Floating Car Data System" (XFCD) can independently calculate data on the traffic situation and the weather. During the journey, the system processes various information, such as speed, brake activity, headlight and wiper status, and also data from the navigation system and the stability control system. The program can use this data to draw conclusions about the traffic and weather situation and warn subsequent vehicles about traffic jams or icy conditions, for example.
XFCD is being implemented at the BMW Group in line with the BMW ConnectedDrive system. The basic philosophy is the networking of the driver, the vehicle and the environment using telematics, online and driver assistance systems in order to make driving safer and less congested.
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