Design & Development of a Quad Rotor MAV Beniamin Apopei Quattro Copter Design & Development of a Quad Rotor MAV Beniamin Apopei 14/09/2005
General Description Goals: Achievements: Vertical Take off and Landing MAV Stable and Maneuverable Flight Time >10 min Minimum Payload: 250g As small as possible Design, construction, matlab simulation and control Achievements: 4 propellers MAV, 6 DOF Physical and Mathematic modelling. Matlab simulation Visual Interface for Control and Monitoring Take off, stable hovering and landing
Why 4 propellers? Problems: Coupled inputs Complicated rotor mechanics Watts / Weight Efficiency Reaction Torque
4 Propellers Model
Mathematic Model States Vector System Function System Inputs
Sistem’s Stability Subsystem Operating Point Liapunov Function [1] [2] We choose inputs [3] Results [4]
Inputs Correlation Altitude Variation as a result of Roll/ Pitch andYaw
Matlab Simulation Model Simulation diagram
Visual Interface
Final Model
First Experiments Stability Noise problems Brushed Motors A/D &Digital together Serial Com Software Personal Satisfaction Research Proposal