Active modal damping control of a smart truss structure using a self-organizing fuzzy controller

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• 作者：Gustavo Luiz C. M. de Abreu (1)
  Gilberto Pechoto de Melo (1)
  Vicente Lopes Jr. (1)
  Michael John Brennan (1)
  
  1. Departamento de Engenharia Mec芒nica ; UNESP-Faculdade de Engenharia de Ilha Solteira ; Ilha Solteira ; S茫o Paulo ; 15385-000 ; Brazil
  
• 关键词：Active modal damping control ; Self ; organizing fuzzy controller (SOFC) ; Smart truss structure ; Piezoelectric stack actuators
• 刊名：Journal of the Brazilian Society of Mechanical Sciences and Engineering
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：37
• 期：2
• 页码：441-450
• 全文大小：1,025 KB
• 参考文献：1. Abreu GLCM, Lopes Jr V, Brennan MJ (2010) Robust control of an intelligent truss structure, 10th International Conference on Recent Advances in Structural Dynamics, Southampton University, United Kingdom UK
  2. Abreu GLCM and Lopes Jr V (2010) Active modal damping of truss structure using integral control strategy, XVIII Congresso Brasileiro de Autom谩tica, 12 a 16 de setembro
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• 刊物主题：Mechanical Engineering;
• 出版者：Springer Berlin Heidelberg
• ISSN：1806-3691

文摘

This paper presents design, implementation and experimental results of active vibration control of a truss structure using a pair of piezoelectric ceramic stack actuators. To reduce the vibrations caused by an impulse force, two active strut members are installed along a vertical of the base bay of the truss. The active strut element consists of a piezoelectric ceramic actuator stack, a force transducer and mechanical interfaces. A self-organizing fuzzy controller (SOFC) is designed to suppress vibration of the truss. The SOFC, which uses the input and output history in its fuzzy rules, is designed to maximize modal damping of a constructed truss structure. Experimental results illustrate that the active piezoceramic strut actuators and the SOFC can effectively reduce vibration of the truss.