power transfered through wireless for charging wheel chair and mobile phone of the disabled persons at their [url removed, login to view] disabled persons find difficult,if the batteries charge of the wheel chair and or mobile phone goes low when they are alone at their home Since they cannot move and or communicate in low [url removed, login to view] the charge of their mobile phone becomes low during emergency situation they cannot be able to communicate with their care takers. To overcome these drawbacks we implement wireless power transfer technology by which both mobile phone as well as wheel chair will be chargered through wireless . The working principle behind wireless power transmission is electromagnetic induction. The wheel chair will be controlled by the user by giving commands from his mobile phone. The commands will be received by the Bluetooth module in the wheel chair. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous, or impossible. We need a power source and a transmitting antenna, and also a receiving antenna to which we can connect the device to be powered (the electrical load, or just the load). The power source will deliver a high power signal to the antenna. This will create an electrostatic field around the antenna that changes as the signal to it changes. This will create electromagnetic waves that will travel out from the antenna and through the [url removed, login to view] receiving antenna will be in the path of these waves, and the waves will pass by it and "sweep" it with their moving electromagnetic fields. This will induce a signal in the receiving antenna proportional to the energy that the antenna captures. This signal will cause current flow that will power the load.
4 freelance font une offre moyenne de ₹23958 pour ce travail
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