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INERTIAL MASS ACTUATORS, UNDERSTANDING AND TUNING
Responsible organisation
2004 (English)Conference paper, (Refereed) Published
Abstract [en]

The actuators, the error sensors and the control system are central components in active noise and vibration control systems. The actuators produce the secondary forces acting on the structure while the error sensors measure the quantity to be minimized. Inertial mass actuators are used frequently in a variety of applications, e.g. boat engine mounts and airplane fuselages. To tune the inertial mass actuator to fit a certain application or just to understand the manufactures specification it is important to have an understanding of the construction of the actuator and the equations describing it. This paper presents a mathematical model of the mechanical and electrical system for the inertial mass actuator. A mobility analogy is introduced in order to determine how the inertial mass and the spring constant of the suspension effect the resonance frequency of the actuator as well as the output force. Does the mobility of the structure, the actuator is mounted on, effect the produced output force in relationship to the rated force of the actuator? Practical measurement results are presented in order to determine the resonance frequency and output force of an inertial mass actuator manufactured by Metravib in France.

Place, publisher, year, edition, pages
St Petersburg, Russia: THE INTERNATIONAL INSTITUTE OF ACOUSTICS AND VIBRATION (IIAV) , 2004.
Keyword [en]
active noise control, actuator, inertial mass actuator
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-9013Local ID: oai:bth.se:forskinfo65D9B8388BF0ED95C125733A004AEB81OAI: oai:DiVA.org:bth-9013DiVA: diva2:836789
Conference
11th International Congress on Sound and Vibration (ICSV11)
Available from: 2012-09-18 Created: 2007-08-17 Last updated: 2015-06-30Bibliographically approved

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fulltext(83 kB)84 downloads
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Johansson, SvenClaesson, Ingvar
Signal Processing

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf