A new control strategy for optimization of rotor response. | [Journal of Engineering and Applied Sciences • 1992]

Author(s):

1. Muhammad Abdul Baseer: Mechanical Engineering Department, NWFP University of Engineering & Technology, Peshawar, Pakistan

Abstract:

An open-loop adaptive control strategy for synchronous vibration control is described. The ability of active feedback control of vibration in a flexible rotor-bearing system is discussed and it is shown that active control can substantially reduce vibration level in rotating machinery. The control strategy for optimization of the response of a flexible rotor-bearing system subjected to a step change in imbalance is then analyzed. Implementation of a local feedback control strategy for the active control of vibrations caused by a sudden change in imbalance in a flexible rotor-bearing system with an electromagnetic actuator is discussed. Finally it is shown how an open-loop adaptive control strategy can be combined with a local feedback control strategy to minimize the synchronous vibration and also contain any build-up of dangerously large amplitude of vibration in case of a step change in mass imbalance in flexible rotor-bearing system.

Page(s): 45-51

DOI: DOI not available

Published: Journal: Journal of Engineering and Applied Sciences, Volume: 11, Issue: 1, Year: 1992

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