In Operation Detection and Correction of Rotor Imbalance in Jet Engines Using Active Vibration Control

Paper #:
  • 941151

Published:
  • 1994-04-01
Citation:
Manchala, D., Palazzolo, A., Kascak, A., Montague, G. et al., "In Operation Detection and Correction of Rotor Imbalance in Jet Engines Using Active Vibration Control," SAE Technical Paper 941151, 1994, https://doi.org/10.4271/941151.
Pages:
10
Abstract:
Jet Engines may experience severe vibration due to the sudden imbalance caused by blade failure. This research investigates employment of on board magnetic bearings or piezolectric actuators to cancel these forces in flight. This operation requires identification of the source of the vibrations via an expert system, determination of the required phase angles and amplitudes for the correction forces, and application of the desired control signals to the magnetic bearings or piezo electric actuators. This paper will show the architecture of the software system, details of the control algorithm used for the sudden imbalance correction project described above, and the laboratory test results.
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