Presentation is loading. Please wait.

Presentation is loading. Please wait.

Date of download: 11/4/2017 Copyright © ASME. All rights reserved.

Similar presentations


Presentation on theme: "Date of download: 11/4/2017 Copyright © ASME. All rights reserved."— Presentation transcript:

1 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Hard and soft inclusions are subject to an external compression (F)

2 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: DVA with zero damping attached to the primary system

3 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Active DVA attached to the primary system

4 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Block diagram representation of the PI controller

5 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Stability chart. Kp and frequency versus Ki. The dashed and solid curves correspond to the combined system and absorber system, respectively.

6 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Minimum operational frequency versus k

7 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Root locus plot of the poles of the transfer function of the PD with absolute absorber mass position and velocity, neglecting the dynamics of the actuator and filters

8 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Root locus plot of the poles of the transfer function of the PD with relative absorber mass position and velocity, neglecting the dynamics of the actuator and filters

9 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Root locus plot of PI transfer function’s poles, neglecting the dynamics of the actuator and filters

10 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Root locus plot of DR transfer function’s poles and zeros, neglecting the dynamics of the actuator and filters

11 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: The hand-held device held by the mechanical arm

12 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Probe vibration for experiments with a human operator on real tissue. The vibration absorber is turned on at t=0.7

13 Date of download: 11/4/2017 Copyright © ASME. All rights reserved. From: An Active Dynamic Vibration Absorber for a Hand-Held Vibro-Elastography Probe J. Vib. Acoust. 2006;129(1): doi: / Figure Legend: Ωi for i=3 and its corresponding ωe


Download ppt "Date of download: 11/4/2017 Copyright © ASME. All rights reserved."

Similar presentations


Ads by Google