Active vibration control of a gyroscopic rotor using experimental modal analysis

• Autorzy: Jungblut Jens , Fischer Christopher , Rinderknecht Stephan

Identyfikatory

DOI

10.24425/bpasts.2021.138090

• Języki publikacji: EN

Abstrakty

EN

A gyroscopic rotor exposed to unbalance is studied and controlled with an active piezoelectrical bearing. A model is required in order to design a suited controller. Due to the lack of related publications utilizing piezoelectrical bearings and obtaining a modal model purely exploiting experimental modal analysis, this paper reveals a method to receive a modal model of a gyroscopic rotor system with an active piezoelectrical bearing. The properties of the retrieved model are then incorporated into the design of an originally model-free control approach for unbalance vibration elimination, which consists of a simple feedback control and an adaptive feedforward control. After the discussion on the limitations of the model-free control, a modified controller using the priorly identified modal model is implemented on an elementary rotor test-rig comparing its performance to the original model-free controller.

Słowa kluczowe

EN

modal analysis; active vibration control; piezoelectrical bearing

PL

analiza modalna; aktywna kontrola wibracji; łożysko piezoelektryczne

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2021
• Tom: Vol. 69, nr 6
• Strony: art. no. e138090
• Opis fizyczny: Bibliogr. 18 poz., fot., il., wykr.

Twórcy

autor

Jungblut Jens

• Institute for Mechatronic Systems, Technical University Darmstadt, 64287, Germany

autor

Fischer Christopher

• Institute for Mechatronic Systems, Technical University Darmstadt, 64287, Germany

autor

Rinderknecht Stephan

• Institute for Mechatronic Systems, Technical University Darmstadt, 64287, Germany

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).