Inertial piezoceramic actuators for smart structures

Jeffrey J. Dosch, George A. Lesieutre, Gary H. Koopmann, Christopher L. Davis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

37 Citations (Scopus)

Abstract

An inertial actuator, also known as a proof mass actuator (PMA), applies structural forces by reacting against an inertial mass. This paper introduces a class of recently developed piezoceramic PMA and its application to reduce vibration and structure-borne noise. The design incorporates displacement amplification to efficiently achieve low resonant frequency. A method is presented for assessing the efficiency of a piezoceramic PMA and comparing the power density of competing PMA technologies (ie, voice-coil vs. piezoceramic vs. magnetostrictive). The performance of the PMA is demonstrated by measuring the force generated against an infinite impedance and measurements on a structure representative of a turbo-prop fuselage. The experimental testing demonstrates the validity of a simple vibration absorber model in understanding PMA performance on complex structures.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages14-25
Number of pages12
Volume2447
ISBN (Print)0819417963
StatePublished - 1995
EventSmart Structures and Materials 1995: Industrial and Commercial Applications of Smart Structures Technologies - San Diego, CA, USA
Duration: Mar 2 1995Mar 3 1995

Other

OtherSmart Structures and Materials 1995: Industrial and Commercial Applications of Smart Structures Technologies
CitySan Diego, CA, USA
Period3/2/953/3/95

Fingerprint

smart structures
Intelligent structures
Actuators
actuators
fuselages
vibration
Fuselages
Amplification
resonant frequencies
radiant flux density
Natural frequencies
absorbers
coils
impedance
low frequencies
Testing

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Dosch, J. J., Lesieutre, G. A., Koopmann, G. H., & Davis, C. L. (1995). Inertial piezoceramic actuators for smart structures. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 2447, pp. 14-25). Society of Photo-Optical Instrumentation Engineers.
Dosch, Jeffrey J. ; Lesieutre, George A. ; Koopmann, Gary H. ; Davis, Christopher L. / Inertial piezoceramic actuators for smart structures. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2447 Society of Photo-Optical Instrumentation Engineers, 1995. pp. 14-25
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Dosch, JJ, Lesieutre, GA, Koopmann, GH & Davis, CL 1995, Inertial piezoceramic actuators for smart structures. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 2447, Society of Photo-Optical Instrumentation Engineers, pp. 14-25, Smart Structures and Materials 1995: Industrial and Commercial Applications of Smart Structures Technologies, San Diego, CA, USA, 3/2/95.

Inertial piezoceramic actuators for smart structures. / Dosch, Jeffrey J.; Lesieutre, George A.; Koopmann, Gary H.; Davis, Christopher L.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2447 Society of Photo-Optical Instrumentation Engineers, 1995. p. 14-25.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - An inertial actuator, also known as a proof mass actuator (PMA), applies structural forces by reacting against an inertial mass. This paper introduces a class of recently developed piezoceramic PMA and its application to reduce vibration and structure-borne noise. The design incorporates displacement amplification to efficiently achieve low resonant frequency. A method is presented for assessing the efficiency of a piezoceramic PMA and comparing the power density of competing PMA technologies (ie, voice-coil vs. piezoceramic vs. magnetostrictive). The performance of the PMA is demonstrated by measuring the force generated against an infinite impedance and measurements on a structure representative of a turbo-prop fuselage. The experimental testing demonstrates the validity of a simple vibration absorber model in understanding PMA performance on complex structures.

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Dosch JJ, Lesieutre GA, Koopmann GH, Davis CL. Inertial piezoceramic actuators for smart structures. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 2447. Society of Photo-Optical Instrumentation Engineers. 1995. p. 14-25