Optimizing time delay feedback for active vibration control of a cantilever beam using a genetic algorithm

Mirafzal, Seyed Hamed, Khorasani, Amir Mahyar and Ghasemi, Amir Hossein 2016, Optimizing time delay feedback for active vibration control of a cantilever beam using a genetic algorithm, Journal of vibration and control, vol. 22, no. 19, pp. 4047-4061, doi: 10.1177/1077546315569863.

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Title Optimizing time delay feedback for active vibration control of a cantilever beam using a genetic algorithm
Author(s) Mirafzal, Seyed Hamed
Khorasani, Amir Mahyar
Ghasemi, Amir Hossein
Journal name Journal of vibration and control
Volume number 22
Issue number 19
Start page 4047
End page 4061
Total pages 15
Publisher Sage Publications
Place of publication London, Eng.
Publication date 2016-11
ISSN 1077-5463
1741-2986
Keyword(s) genetic algorithm
optimal active vibrations control
smart cantilever beam
time delay
Science & Technology
Technology
Acoustics
Engineering, Mechanical
Mechanics
Engineering
RESONATOR
REDUCTION
ABSORBER
DESIGN
CRANES
Summary Active vibration control using time delay for a cantilever beam is developed in this paper. The equation of motion of the system is developed using the discrete standard formulation, and the discrete quadratic function is used to design the controller. The original contribution in this paper is using a genetic algorithm to determine the optimal time delay feedback for active vibration control of a cantilever beam. Simulations of the beam demonstrated that the genetic algorithm correctly identified the time delay which produced the quickest attenuation of unwanted vibrations for both mode one and mode two. In terms of frequency response, the optimal time delay for both modes reduced the resonant amplitude. In a mixed mode situation, the simulation demonstrated that an optimal time delay could be identified.
Language eng
DOI 10.1177/1077546315569863
Field of Research 091207 Metals and Alloy Materials
091399 Mechanical Engineering not elsewhere classified
010203 Calculus of Variations, Systems Theory and Control Theory
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, The Author(s)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30089596

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