Title page for ETD etd-08192011-145947

Type of Document Master's Thesis
Author Patra, Ramakanta
Author's Email Address rpatra@vt.edu
URN etd-08192011-145947
Title A model for Hybrid Dynamic Beam Movement with Specific Application to Wind Energy Units
Degree Master of Science
Department Mathematics
Advisory Committee
Advisor Name Title
Russell, David L. Committee Chair
Kim, Jong Uhn Committee Member
Wheeler, Robert L. Committee Member
  • Optimal Control
  • Hybrid Dynamic Systems
Date of Defense 2011-08-08
Availability unrestricted
The aim of this thesis is to present a structural model for a wind turbine and its supporting pylon, to analyze and simulate attendant vibration phenomena and to suggest and simulate an appropriate control procedure. A wind turbine can be described as an elastic system consisting of distributed parameter, beam and rod type, elements coupled to a rotating lumped mass generator/turbine component at one end. We allow for both lateral and torsional movements of the beam. Solution methods for related vibration and control problems are suggested and analyzed. Results of computations for sample problems are presented. Applications of control of structural vibrations in wind energy units using proof mass type actuators as part of the tip mass are also analyzed.
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