Exploiting gyroscopic effects for resonance elimination of an elastic rotor utilizing only one piezo actuator

• Autorzy: Jungblut Jens , Franz Daniel , Fischer Christian , Rinderknecht Stephan

Identyfikatory

DOI

10.24425/bpasts.2023.147060

• Języki publikacji: EN

Abstrakty

EN

A gyroscopic rotor exposed to unbalance and internal damping is controlled with an active piezoelectrical bearing in this paper. The used rotor test-rig is modelled using an FEM approach. The present gyroscopic effects are then used to derive a control strategy which only requires a single piezo actuator, while regular active piezoelectric bearings require two. Using only one actuator generates an excitation which contains an equal amount of forward and backward whirl vibrations. Both parts are differently amplified by the rotor system due to gyroscopic effects, which cause speed-dependent different eigenfrequencies for forward and backward whirl resonances. This facilitates eliminating resonances and stabilize the rotor system with only one actuator but requires two sensors. The control approach is validated with experiments on a rotor test-rig and compared to a control which uses both actuators.

Słowa kluczowe

EN

active vibration control; piezoelectric bearing; active damping; gyroscopic effect

PL

aktywna kontrola wibracji; łożysko piezoelektryczne; aktywne tłumienie; efekt żyroskopowy

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2023
• Tom: Vol. 71, nr 6
• Strony: art. no. e147060
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Jungblut Jens

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

• https://orcid.org/0000-0002-8056-4345

autor

Franz Daniel

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

autor

Fischer Christian

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

• https://orcid.org/0000-0003-0539-2616

autor

Rinderknecht Stephan

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

• https://orcid.org/0000-0001-5568-1649

Bibliografia

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• [12] F.B. Becker, M.A. Sehr, and S. Rinderknecht, “Vibration isolation for parameter-varying rotor systems using piezoelectric actuators and gain-scheduled control,” J. Intell. Mater. Syst. Struct., vol. 28, no. 16, pp. 2286–2297, Sep. 2017, doi: 10.1177/1045389X17689933.
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• [14] J. Jungblut, C. Fischer, and S. Rinderknecht, “Active vibration control of a gyroscopic rotor using experimental modal analysis,” Bull. Pol. Acad. Sci. Tech. Sci., vol. 69, no. 6, p. e138090, 2021, doi: 10.24425/bpasts.2021.138090.
• [15] J. Jungblut, D. Franz, C. Fischer, and S. Rinderknecht, “Supplementary data: Exploiting gyroscopic effects for resonance elimination of an elastic rotor utilizing only one piezo actuator,” 2022, doi:10.48328/tudatalib-968.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).