NDLI: Bond Graph Model of a Multi-Layer Piezoelectric (PZT) Beam and Its Application in Semi-Active Hydraulic Mounts

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Vahdati, Nader Heidari, Somayeh
Copyright Year	2009
Abstract	Passive fluid mounts have been in use for the purpose of cabin noise and vibration reduction in the automotive and the aerospace industry. Cabin noise and vibration isolation is provided at a frequency coined “notch frequency”. To obtain the greatest cabin noise and vibration reduction at any desired frequency, the notch frequency needs to be close to that desired frequency. But, due to tolerances on all the fluid mount dimensions, and elastomer material properties, the notch frequency never ends up at the right location on the first manufacturing pass. To resolve notch frequency tuning cycle time, a new fluid mount design is proposed which consists of a conventional single-pumper fluid mount and a 3-layer piezoelectric cantilever beam resulting in a tunable notch frequency mount. Since this new design involves multi energy domains, bond graph modeling technique is used. This new design concept, its mathematical model and simulation results are presented.
Sponsorship	Dynamic Systems and Control Division
Starting Page	347
Ending Page	354
Page Count	8
File Format	PDF
ISBN	9780791848920
DOI	10.1115/DSCC2009-2786
e-ISBN	9780791838600
Volume Number	ASME 2009 Dynamic Systems and Control Conference, Volume 1
Conference Proceedings	ASME 2009 Dynamic Systems and Control Conference
Language	English
Publisher Date	2009-10-12
Publisher Place	Hollywood, California, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Vibration Elastomers Dimensions Cantilever beams Modeling Vibration isolation Aerospace industry Design Noise (sound) Fluids Simulation results Materials properties Manufacturing
Content Type	Text
Resource Type	Article

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