Electromagnetic Levitation Apparatus

By: skydiverangel

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Uploaded on July 02, 2008 by skydiverangel Powered by YouTube

This apparatus uses an electromagnet to levitate a small magnet in midair. The small magnet levitates in the air indefinitely without any disturbance. The air gap is about 2 cm (3/4"). The supply voltage is 5 V and the supply current is about 0.3 A.

The vertical position of the levitating magnet is measured using a linear Hall effect sensor and the current in the electromagnet is actively controlled using a dsPIC30F3012 digital signal processor.

Three push buttons are included to adjust the vertical position of the levitating magnet and to apply a sinusoidal, square or sawtooth reference signal. Both the amplitude and frequency of the reference signal can be adjusted using the push buttons.

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Tags:
Electromagnetic, Levitation, Magnetic, Automatic, Control, Electronics, Hall, Effect, Maglev, DsPIC, Ravel, Bolero, Science & Tech
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