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Accueil > Aérodynamique > Aérodynamique > EX600

Motorized empennage system with acquisition


Dimensions : EX600 : 700 x 500 x 400 mm; Electrical cabinet : 300 x 220 x 150 mm
Poids : EX600 : 4 kg; Electrical cabinet : 1kg

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This system makes it possible to approach the fields of Mechanical Engineering and Electrical Engineering :
 

  • Structural analysis of the empennage control mechanism
  • 1 TD with corrected : role of empennage in the flight dynamics of the A320
  • Functional analysis of the empennage control mechanism
  • Identification of the components of the empennage control mechanism
  • Schematic and geometric representations of this mechanism
  • Kinematic behavior of this mechanism Static behavior of this mechanism
  • Technical analysis, characteristics of assemblies and guides
  • Definition, structure of a slave system and definition of performance
  • Open loop operation of the system with obtaining graphs of kinematic and dynamic functions
  • Closed loop operation of the slave system (gain adjustment) with obtaining graphs, kinematic and dynamic functions
Description technique :
  • An articulated tail support with respect to the attachment frame. The support was designed to allow to create, manually, a complementary effort of disturbance on the empennage.
  • From a DC motor.
  • Of a bevel gear pair, with straight teeth,
  • From a screw - ball nut system.
  • Two spring rods (simulating the aerodynamic forces), with springs of two different stiffness.
  • A visualization device for the operation of the ball screw.
  • Motorized tail system with acquisition.
  • A part information and steering system composed:
  • A PCI card to acquire the data
  • An angular position sensor, located on the ball screw
  • A potentiometric sensor located on the tilting box, measuring the angle of rotation of the empennage
  • Of an acquisition chain of the following functions: voltage at the motor terminals, moment of the engine torque,
  • Angular positions of the empennage, angular input and output speeds of the mechanism, overall reduction ratio
  • An electrical box including the power card of the stepper motor, a power supply, the connections required to connect the model and the PC (not supplied).
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