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Design of passive viscous fluid control systems for nonlinear structures based on active control

Zare, A. R ; Sharif University of Technology

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  1. Type of Document: Article
  2. DOI: 10.1080/13632469.2017.1342295
  3. Abstract:
  4. A practical procedure is developed for the design of passive control systems using viscous fluid dampers for nonlinear structures. The design methodology takes advantage of the modification of the damping, strength, and stiffness properties of the structure to achieve the desired relative displacement and absolute acceleration response. For this purpose, a study of poles in the complex plane is used to determine the required changes in the dynamic properties of nonlinear structures. Furthermore, a relatively simple relation between the ductility demands of highly damped single- and multiple-degree-of-freedom (SDF and MDF respectively) systems is established to reduce the computational burden of the proposed design method. © 2017 Taylor & Francis Group, LLC
  5. Keywords:
  6. Ductility-based modification factor ; Pole assignment algorithm ; Control systems ; Degrees of freedom (mechanics) ; Ductility ; Flight control systems ; Poles ; Stiffness ; Structural dynamics ; Viscosity ; Viscous flow ; Active control ; Modification factors ; Passive control ; Pole assignment ; Strength and stiffness ; Structural control ; Design
  7. Source: Journal of Earthquake Engineering ; 2017 , Pages 1-22 ; 13632469 (ISSN)
  8. URL: https://www.tandfonline.com/doi/abs/10.1080/13632469.2017.1342295