Helicopter Simulation

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Helicopter Simulation

  1. 1. Helicopter flight simulator in Matlab/Simulink By Andrei Popov LARCASE - ETS
  2. 2. 1. Equations of motions for a rotorcraft <ul><li>Newton’s laws of motion </li></ul>07/09/09 Forces Moments
  3. 3. 1.Equations of motions for a rotorcraft (continued) <ul><li>The attitude and the position of the helicopter </li></ul>07/09/09
  4. 4. 2. Stability and control theory 07/09/09 States vector Aerodynamic force given by changes in states Stability derivatives Forces, moments, speeds, angular speeds A1 =lateral cyclic pitch, B1 =longitudinal cyclic pitch, θc =collective pitch θT =tail rotor collective. Control vector Change in aerodynamic force given by changes in control Control derivatives Linear differential system
  5. 5. 3. Simulation model 07/09/09 Controls vector or States vector States and controls vector Classic linear system Improved linear system for MMLE method
  6. 6. 4. Simulink schematic
  7. 7. 5. 6 DoF Simulink
  8. 8. 6. Cockpit instruments and controls
  9. 9. 7. Helicopter performance

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