Author(s): Suma R, , Ravi V Angadi, Dr Y Vijaykumar, Swathi R, Malli J N, Sreedhar P. G
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol. 3 - Issue 10 (October - 2014)
Active magnetic bearing (AMB) systems can support a rotor without physical contact and enable users to precisely control rotor position and vibration as function of time. The frictionless and programmable features have made AMB suitable to meeting the demand for higher speed and high reliability of rotating machineries in many industrial application such as including power generation and energy conservation, transportation, oil and gas production to provide clean manufacturing. Active magnetic bearing system levitates the rotating shaft and maintains it in position by applying controlled electromagnetic forces on the rotor in radial and axial directions. The active magnetic bearing is the principle which is actually used most often among the magnetic suspensions. A sensor measures the displacement of the rotor from its reference position, a microcontroller as a controller derives a control signal from the measures and gives signal to a power amplifier into a control current, and the control current generates the magnetic forces within the actuating magnet in such a way that the rotor remains in its hovering position.
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