Specially orthotropic panel flutter control using PID controller


Korbahti B.

ACTA MECHANICA, cilt.212, ss.191-197, 2010 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 212
  • Basım Tarihi: 2010
  • Doi Numarası: 10.1007/s00707-009-0255-3
  • Dergi Adı: ACTA MECHANICA
  • Sayfa Sayıları: ss.191-197

Özet

Controlling the flutter speed of a specially orthotropic plate of rectangular cross-section through which an inviscid compressible fluid flows is considered. A state-space model of the coupled aeroelastic system helps us to determine flutter boundaries and provides a method for applying modern control theory to the problem. So in the present study, flow is modelled by piston theory and the coupled state-space model of panel motion and flow is solved. After that, the coupled system is controlled with Proportional-Integral-Derivative controller. This makes it possible to compute the flutter dynamic pressure and so the flutter velocity at which unstable plate oscillations occur as a function of the gain coefficient. It is found that by changing the gain coefficient the flutter of the plate can indeed be pushed to higher velocities.