Abstract

Many of the Wing In Surface Effect-craft had unstable condition during hydro planing while the positive pitching moment nose up increases. The hump drags on the centre of buoyancy, the aerodynamic lift of the wing on the centre of pressure, the thrust propulsion and weight on the centre of gravity are not in equilibrium condition. The inverse delta wing with shoulder and Clark Y airfoil having wing area 31.75 m2 and V-tail configurations are producing the aerodynamic lift. However, the aerodynamic lift will be countered by pitching moment in order to achieve steady level flight within airborne conditions. The adaptive control system will be implemented on the Remote Control model Amphibian configuration to anticipate the porpoising effect during hydro planing on the longitudinal and lateral mode. This control system also maintaining the ground effect on the 0.25 m altitude height to reduce the Pilot workloads. The use of Extended Kalman Filter algorithm is to identify the non-dimensional aerodynamic and hydrodynamic derivative parameters that used together in the observable matrix (4 × 4) dimensions in the real time (t).

Original languageEnglish
Pages (from-to)633-645
Number of pages13
JournalInternational Review of Mechanical Engineering
Volume7
Issue number4
Publication statusPublished - 2013

Keywords

  • Airfoil
  • Hump drag
  • Hydro planing
  • Porpoising effect
  • The flight performance

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