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Wireless networks for electric cars

by promoisone

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A wireless charging system would address a major drawback associated with the use of electric cars , with their limited driving . The Nissan Leaf , for example, with a full charge can travel just over 160 miles and it takes many hours to charge the battery. What we are planning scientists at Stanford University is a charging system serviced fully mobile.

How works a Wireless Networks for Electric Cars ? The wireless transfer of electricity is based on a technology called "coupling magnetic resonance" , where two copper coils are tuned to "resonate" on the same frequency , exactly as two crystal glasses vibrate when you hear a sound accurately. The coils are positioned a few meters away, a coil is connected to the electric current and generates a magnetic field that will "resonate" the second coil. In other words there will be a transfer of invisible energy between the first and the second coil. The first coil should be built on the mantle of the road while the electric car should be equipped with the second coil , the "receiver".

In 2007, MIT developed a system to recharge the car wirelessly with the transfer of a few kilowatts of electricity.

The biggest problem that scientists will face is that of magnetic fields : on-board computer, mobile devices, but also the same metal parts of the car, may alter the magnetic fields. Is for this that in the pipeline there is a development of an optimum system of Electrical transfer that provides for the presence of any "intruder". The system, therefore, should not affect the driver, passenger or the dozens of microcomputer with wich is equipped an electric car ( gps, navigation, air conditioning, etc...).

Some experts use an automated system where mobile charging electric vehicles, wirelessly, and supplied with electricity from renewable energy sources. The goal would be to help the spread of electric vehicles , reducing emissions of greenhouse gases . In addition, the wireless technology could someday help the GPS navigation of the car without a driver . In the proposed system the magnetic fields could also be used to control the steering because the coils should be installed at the center of the lane and could provide very precise positioning at no extra cost . In short , the magnetic fields and the GPS are intended to replace the driver of the car.

We hope that in a few years, wireless systems can be used to recharge electric vehicles. Meanwhile, electric vehicles are increasingly used and are employees in various sectors, such as electric vehicles  of the Alke company.



Public Relations By NetStrategy

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