When a squeeze-film damper-mounted rigid rotor system is operated eccentrically, the nonlinear forces are no longer radially symmetric and a disordered dynamical behavior (i.e., quasi-periodic and chaotic vibration) will occur. To suppress the undesired vibration characteristics, the hybrid squeeze-film damper bearing consisting of hydrostatic chambers and hydrodynamic ranges is proposed. In order to change the pressure in hydrostatic chambers, two pairs of electric-hydraulic orifices are used in this paper. The dynamic model of the system is established with the consideration of the electric-hydraulic actuator. The complex nonsynchronous vibration of squeeze-film dampers rotor-bearing system is demonstrated to be stabilized by such electric-hydraulic orifices actuators with proportional-plus-derivative (PD) controllers. Numerical results show that the nonchaotic operation range of the system will be increased by tuning the control loop gain.
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April 2006
Technical Papers
Electric-Hydraulic Actuator Design for a Hybrid Squeeze-Film Damper-Mounted Rigid Rotor System With Active Control
Her-Terng Yau,
Her-Terng Yau
Department of Electrical Engineering,
Far-East College
, No. 49, Jung-Hwa Road, Hsin-Shih Town Tainan 744, Taiwan, R.O.C.pan1012@ms52.hinet.net
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Chieh-Li Chen
Chieh-Li Chen
Department of Aeronautics and Astronautics,
National Cheng Kung University Tainan
, Taiwan
Search for other works by this author on:
Her-Terng Yau
Department of Electrical Engineering,
Far-East College
, No. 49, Jung-Hwa Road, Hsin-Shih Town Tainan 744, Taiwan, R.O.C.pan1012@ms52.hinet.net
Chieh-Li Chen
Department of Aeronautics and Astronautics,
National Cheng Kung University Tainan
, TaiwanJ. Vib. Acoust. Apr 2006, 128(2): 176-183 (8 pages)
Published Online: August 1, 2005
Article history
Received:
September 14, 2004
Revised:
August 1, 2005
Citation
Yau, H., and Chen, C. (August 1, 2005). "Electric-Hydraulic Actuator Design for a Hybrid Squeeze-Film Damper-Mounted Rigid Rotor System With Active Control." ASME. J. Vib. Acoust. April 2006; 128(2): 176–183. https://doi.org/10.1115/1.2149396
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