You are in the accessibility menu

Please use this identifier to cite or link to this item:
Active vibration control using delayed resonant feedback
Universidade Estadual Paulista (UNESP)
  • 0964-1726
  • 1361-665X
Delayed feedback (DF) control is a well-established technique to suppress single frequency vibration of a non-minimum phase system. Modal control is also a well-established technique to control multiple vibration modes of a minimum phase system. In this paper these techniques are combined to simultaneously suppress multiple vibration modes of a non-minimum phase system involving a small time delay. The control approach is called delayed resonant feedback (DRF) where each modal controller consists of a modal filter to extract the target mode signal from the vibration response, and a phase compensator to account for the phase delay of the mode. The methodology is first discussed using a single mode system. A multi-mode system is then studied and experimental results are presented to demonstrate the efficacy of the control approach for two modes of a beam. It is shown that the system behaves as if each mode under control has a dynamic vibration absorber attached to it, even though the actuator and the sensor are not collocated and there is a time delay in the control system. © 2013 IOP Publishing Ltd.
Issue Date: 
Smart Materials and Structures, v. 22, n. 9, 2013.
  • Active vibration controls
  • Dynamic vibration absorber
  • Minimum-phase systems
  • Non-minimum phase systems
  • Resonant feedback
  • Single-mode systems
  • Vibration response
  • Well-established techniques
  • Time delay
  • Delay control systems
Access Rights: 
Acesso restrito
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

There are no files associated with this item.

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.