Laboratorio Fly-By-Wire

Gruppo di Ricerca
Gianpietro Di Rito
Roberto Galatolo

Development of Actuators for Aerospace Applications

  •  Architecture Definition
    •  Reliability/Safety Analysis (FHA, FTA, FMECA)
    •  Fault-Tolerant Systems
  •  Actuators Modelling, Control and Testing
    •  Detailed nonlinear simulation
    •  Control design
    •  Failure simulation
    •  Health-monitoring design
    •  Performance testing (control tracking, dynamic stiffness, environmental sensitivity)

Real-Time Hardware-In-The-Loop Simulation

  •  Virtual Iron-Bird for Fly-By-Wire Aircraft
    •  Complete Flight Control System model (Flight Control Computers, Actuators, Sensors)
    •  Low-Cost PC Network for Real-Time Simulation
    •  Hydraulic workbench for actuator testing
    •  Pilot Interface
  •  Self‐Powered Structural Health-Monitoring System with MFC Piezoelectric Patches
    •  Flight simulation (test rig in sensing/energy harvesting mode)
    •  Maintenance simulation (test rig in actuation mode)

Test rig for flight actuators

  • Hydraulic power system (max rating: 250 bar @ 100 l/min; 45 KW)
  • Pressure-controlled three-line distributor
  • Bench with adjustable configuration (coupling kinematics and inertia)
  • Load hydraulic actuator (max rating: 390 mm stroke; 50 kN @ 150 mm/sec)

Environmental control chamber

  • Net volume: 224 litres
  • Temperature range (empty): from -75 to 180 °C
  • Humidity range (empty): from 10 to 98%
  • Temperature rate (empty): from -2.5 to 5 °C/min
  • Peak power: 9 kW (average 5.7 kW)

Test rig for piezoelectric devices

  • Cantilevered laminate specimen with Macro-Fiber-Composite patches 100 x 30 mm (A)
  • Deformation measurement via laser sensors (B) mounted on translational stage (C)
  • CRIO embedded controller piloted via LabView interface
  • Modal shaker with force or acceleration control
  • High-voltage operation: from -500 to 1500 V
  • High-frequency operation: from DC to 10 kHz

 

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