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Vibration Sensitivity of Large Turbine Generator Shaft Trains to Unbalance Read chapter Read first chapter

2015 | OriginalPaper | Chapter

Stability Study for Vibration Control of an Active Magnetic Bearing Supported Rotor Mounted on a Moving Base

Authors : Akash Vardhan, Anindya Sundar Das, Jayanta Kumar Dutt

Published in: Proceedings of the 9th IFToMM International Conference on Rotor Dynamics

Publisher: Springer International Publishing

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Abstract

Active Magnetic Bearings (AMBs) suspend rotor systems and also facilitate active rotor vibration control through feedback control law for appropriate contactless electromagnetic force. However for rotors on moving bases e.g. ships, airplanes, the equations of rotor motion become parametrically excited and so a feedback control methodology, e.g. with Proportional Derivative (PD) control law needs assessment of stability. It is observed that the equations of motion of a rigid rotor with respect to base, translating and pitching in one plane, under the action of linearized electromagnetic forces from AMBs at ends, take the form of forced damped Mathieu equations. This paper first attempts the stability analysis to tune controller parameters and then uses the Active Disturbance Rejection Control (ADRC) with Extended State Observers (ESO) to reject disturbances. Simulated results show considerable rotor vibration suppression and thus prove AMBs as effective suspensions for vibration control of rotor-shaft systems on moving platforms.

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previous chapter Experimental Estimation of Speed-Dependent Active Magnetic Bearing Rotordynamic Parameters
next chapter Eigenvalue Assignment for Stabilizing Unstable Conical Modes of Rigid Rotor-Active Magnetic Bearing System Over High Rotational Speed Range
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Metadata
Title
Stability Study for Vibration Control of an Active Magnetic Bearing Supported Rotor Mounted on a Moving Base
Authors
Akash Vardhan
Anindya Sundar Das
Jayanta Kumar Dutt
Copyright Year
2015
Book
Proceedings of the 9th IFToMM International Conference on Rotor Dynamics

Print ISBN: 978-3-319-06589-2

Electronic ISBN: 978-3-319-06590-8

Copyright Year: 2015

DOI
https://doi.org/10.1007/978-3-319-06590-8_118

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