Multi-State Transient Rotor Vibration Control Using Sampled Harmonics

[+] Author and Article Information
P. S. Keogh, M. O. T. Cole, C. R. Burrows

Department of Mechanical Engineering, Faculty of Engineering and Design, University of Bath BA2 7AY, UK

J. Vib. Acoust 124(2), 186-197 (Mar 26, 2002) (12 pages) doi:10.1115/1.1448321 History: Received August 01, 2000; Revised September 01, 2001; Online March 26, 2002
Copyright © 2002 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
(a) Schematic representation of discrete transient vibration control using harmonic components (b) System control with error in pth harmonic transfer function
Grahic Jump Location
(a) Flexible rotor/magnetic bearing system layout (b) Mass loss mechanism and transducer pair
Grahic Jump Location
Rotor synchronous vibration measured at non-driven end bearing and disk
Grahic Jump Location
System identification for speed A (a) synchronous component of input signal (b) measured synchronous component response (c) 4th order inverse plant model (d) 9th order inverse plant model
Grahic Jump Location
Theoretical stability regions showing relative system errors that can be tolerated for stable controller operation (a) one cycle delay in control action (b) two cycle delay in control action
Grahic Jump Location
Experimentally determined stability regions
Grahic Jump Location
Measured mass loss response (15.7 g at 0.5 s) at speed A (a) no control (b) k1=0.7,d1=0.7 (c) k1=0.85,d1=0.808 (d) k1=0.6,d1=0.588
Grahic Jump Location
Measured mass loss response (15.7 g at 0.5 s) with k1=0.7,d1=0.7 (a) Speed B (b) Speed C (c) Speed D
Grahic Jump Location
Measured mass loss response at speed A with k1=0.7,d1=0.7. (a) 35.7 g at 0.5 s, uncontrolled (b) 35.7 g at 0.5 s, controlled (c) 70.0 g at 0.5 s, controlled.




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In