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Topic: Levitation Bibliography Section: Electrostatic Levitator with Feedback Control Table of Contents to this Topic |
| NASA, An electrostatic levitation system includes a closed feedback loop to hold the levitated object at the desired position. The vertical position of the object is sensed and compared with the preset value. When an error is detected, the amplitude of the levitating field is increased or decreased to retore a zero error. |
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