This paper describes the experimental application of adaptive control to Hybrid Squeeze Film Damper (HSFD) supported rotors. The HSFD has been shown to be an adaptive damper capable of providing infinite damper configurations between short and long damper configurations. Previously, theoretical investigations of the adaptive control of HSFD concentrated on the development of the model reference adaptive control (MRAC) method, as well as development of a nonlinear reference model. Simulations of the performance of the adaptive controller during run-up and coast-down indicated the superior performance of the adaptive controller. In this paper, the adaptive controller is tested on a multi-mode rotor. A test rig is designed and developed using computer control. A simple reference model is investigated consisting of a second order system. Three forms for adaptation gain are studied. The results of the experimental investigation illustrated the performance capabilities of the adaptive controller applied to the HSFD, and moreover indicated the possibility of simple design for the adaptive controller. [S0742-4795(00)01603-3]
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October 2000
Technical Papers
Experimental Investigation of Adaptive Control Applied to HSFD Supported Rotors
A. El-Shafei,
A. El-Shafei
Department of Mechanical Design and Production, Faculty of Engineering, Cairo University, Giza, Egypt 12316
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M. El-Hakim
M. El-Hakim
Department of Mechanical Design and Production, Faculty of Engineering, Cairo University, Giza, Egypt 12316
Search for other works by this author on:
A. El-Shafei
Department of Mechanical Design and Production, Faculty of Engineering, Cairo University, Giza, Egypt 12316
M. El-Hakim
Department of Mechanical Design and Production, Faculty of Engineering, Cairo University, Giza, Egypt 12316
Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Paper presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Indianapolis, IN, June 7–10, 1999; ASME Paper 99-GT-176. Manuscript received by IGTI March 9, 1999; final revision received by the ASME Headquarters May 15, 2000. Associate Technical Editor: D. Wisler.
J. Eng. Gas Turbines Power. Oct 2000, 122(4): 685-692 (8 pages)
Published Online: May 15, 2000
Article history
Received:
March 9, 1999
Revised:
May 15, 2000
Citation
El-Shafei , A., and El-Hakim, M. (May 15, 2000). "Experimental Investigation of Adaptive Control Applied to HSFD Supported Rotors ." ASME. J. Eng. Gas Turbines Power. October 2000; 122(4): 685–692. https://doi.org/10.1115/1.1287264
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