Vibration Attenuation in Rotating Machines Using Smart Spring Mechanism
Joint Authors
Morais, Tobias Souza
Koroishi, Edson Hideki
Steffen, Valder
Galavotti, Thiago Vianna
Cavalini, Aldemir Ap.
Source
Mathematical Problems in Engineering
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-11-08
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
This paper proposes a semiactive vibration control technique dedicated to a rotating machine passing by its critical speed during the transient rotation, by using a Smart Spring Mechanism (SSM).
SSM is a patented concept that, using an indirect piezoelectric (PZT) stack actuation, changes the stiffness characteristics of one or more rotating machine bearings to suppress high vibration amplitudes.
A Genetic Algorithm (GA) optimization technique is used to determine the best design of the SSM parameters with respect to performance indexes associated with the control efficiency.
Additionally, the concept of ecologically correct systems is incorporated to this work including the PZT stack energy consumption in the indexes considered for the optimization process.
Simulation carried out on Finite Element Method (FEM) model suggested the feasibility of the SSM for vibration attenuation of rotors for different operating conditions and demonstrated the possibility of incorporating SSM devices to develop high-performance ecologic control systems.
American Psychological Association (APA)
Cavalini, Aldemir Ap.& Galavotti, Thiago Vianna& Morais, Tobias Souza& Koroishi, Edson Hideki& Steffen, Valder. 2010. Vibration Attenuation in Rotating Machines Using Smart Spring Mechanism. Mathematical Problems in Engineering،Vol. 2011, no. 2011, pp.1-14.
https://search.emarefa.net/detail/BIM-464100
Modern Language Association (MLA)
Cavalini, Aldemir Ap.…[et al.]. Vibration Attenuation in Rotating Machines Using Smart Spring Mechanism. Mathematical Problems in Engineering No. 2011 (2011), pp.1-14.
https://search.emarefa.net/detail/BIM-464100
American Medical Association (AMA)
Cavalini, Aldemir Ap.& Galavotti, Thiago Vianna& Morais, Tobias Souza& Koroishi, Edson Hideki& Steffen, Valder. Vibration Attenuation in Rotating Machines Using Smart Spring Mechanism. Mathematical Problems in Engineering. 2010. Vol. 2011, no. 2011, pp.1-14.
https://search.emarefa.net/detail/BIM-464100
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-464100