Active vibration control of rotating machines with current-controlled electrodynamic actuators between machine feet and steel frame foundation using vibration mode coupling by asymmetry - a theoretical analysis

  • In the paper a simplified 3D-model of a rotating machine is presented where current-controlled electrodynamic actuators are mounted between machine feet and an elastic steel frame foundation and where the vertical machine feet vibrations are fed back to separate controllers for active vibration control. It could be shown, that if an asymmetrical system is chosen - where one actuator has a different stiffness in the horizontal plane - all rigid body modes are more coupled and can now be influenced by the control system. With this concept critical speeds can be avoided in the operation speed range, independent of the foundation properties.

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Metadaten
Author:Ulrich WernerORCiD
URL / DOI:https://www.researchgate.net/publication/397130595
Editor:ulrich wernerORCiD
Document Type:conference proceeding (article)
Language:English
Date of first Publication:2025/09/16
Reviewed:Begutachtet/Reviewed
Release Date:2025/12/12
Tag:Active vibration control; Current-controlled electrodynamic actuator; Rotating machines; Vibration Mode Coupling by Asymmetry
Pagenumber:10
Konferenzangabe:13th International Conference on Vibrations in Rotating Machinery - VIRM 13, 2025, London, UK
institutes:Institut für leistungselektronische Systeme ELSYS
Research Themes:Energie & Ressourcen
Licence (German):Keine Lizenz - Deutsches Urheberrecht gilt
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