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Active fast vibration control of rotating machinery via a novel electromagnetic actuator
Author(s) -
Shao Xing,
Wang Weimin,
Li Weibo,
Li Qihang
Publication year - 2021
Publication title -
structural control and health monitoring
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.587
H-Index - 62
eISSN - 1545-2263
pISSN - 1545-2255
DOI - 10.1002/stc.2707
Subject(s) - magnetic bearing , feed forward , vibration , control theory (sociology) , rotor (electric) , engineering , actuator , active vibration control , reduction (mathematics) , compensation (psychology) , vibration control , bearing (navigation) , control engineering , computer science , control (management) , acoustics , mechanical engineering , physics , electrical engineering , artificial intelligence , psychology , geometry , mathematics , psychoanalysis
Summary This paper presents an active fast vibration control (AFVC) strategy applicable to rotating machinery. The actuator utilized is a novel active magnetic bearing that could achieve the integration with a hole‐pattern seal. The control algorithm leading to an electromagnetic force with an optimal combination of phase and magnitude under a certain speed is based on the principle of feedforward compensation and self‐optimization. The AFVC algorithm is implemented in a real compressor rotor system model and experimentally demonstrated on two test rigs of different scales. There is at least a 70% reduction in vibrations within 1 s over the case with no control. Excellent vibration control effects can be maintained even when the rotating speed is fluctuating. Furthermore, the proposed method could be free from elaborate system modeling and vibration phase extraction in practice, dramatically simplifying the control system design.

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