2014
Machinery/Automation/Robotics

To reduce the speed of the fast moving vehicles automatically, speed
breakers are used with Witricity technique. A power line is laid under the road with a series of coils of a certain frequency, at places where the speed of the vehicle has to be reduced. Every vehicle has a coil in it which has the same resonant frequency as the underground coil. Whenever a vehicle approaches the speed breaker, the magnetic
field produced from the underground coil makes the coil in the vehicle to resonate with the same frequency. Due to this current gets induced in the coil of the vehicle. The current which gets induced is then sent to a current comparator where it is compared ...

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