Coupled controls/structures optimization procedure for the design of rotating composite box beams with piezoelectric actuators

Aditi Chattopadhyay, Charles E. Seeley

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

An optimization procedure is developed for controls/structures interaction using a multiobjective formulation. A rotating composite cantilever box beam model is presented which includes piezoelectric strain actuators for vibration control. The model is implemented using the finite-element method. Multiple design objectives are efficiently combined using the Kreisselmeier-Steinhauser function approach. Actuator locations and ply stacking sequences are represented by discrete (0, 1) variables while structural/control parameters such as box beam dimensions are continuous design variables. A transformation technique is used to formulate the combined continuous/discrete problem as a purely discrete problem. This allows both optimal actuator locations and structural/control parameters to be determined inside a closed loop procedure. A technique based on simulated annealing is used for optimization in conjunction with an approximate analysis procedure to reduce computational effort.

Original languageEnglish (US)
Pages (from-to)170-178
Number of pages9
JournalSmart Materials and Structures
Volume4
Issue number3
DOIs
StatePublished - Sep 1995

Fingerprint

box beams
piezoelectric actuators
Piezoelectric actuators
Actuators
optimization
composite materials
actuators
Composite materials
Vibration control
Simulated annealing
simulated annealing
Finite element method
finite element method
formulations
vibration
interactions

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Condensed Matter Physics
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering
  • Signal Processing

Cite this

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