Actively controlling a rotating blade vibrations excited by a superharmonic force

Kandil, Ali; Eissa, M.; Kamel, M.; El-Ganaini, W.; El-Gohary, H.

doi:10.21608/mjeer.2018.65894

Actively controlling a rotating blade vibrations excited by a superharmonic force

Document Type : Original Article

Authors

Dept. of Phys. and Eng. Math., Faculty of Elec. Eng., Menoufia University

10.21608/mjeer.2018.65894

Abstract

In this paper, the multiple scales perturbation (MSP) method is being used to examine controlling the compressor rotating
blade oscillations at superharmonic resonance. We apply position with velocity feedback controller on this dynamical
system to reduce its oscillations. The vibrational dual modes of are powerfully coupled with a linear ratio 1:1, so we have
applied the controller to only one mode and the other coupled mode follows it. The overall nonlinear system behavior with
and without control is studied. The system (pre and post control) is investigated via time response and other responses
to show the controller effect.

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