The UAV taxiing and take-off phase is a dangerous phase in the flight process, during which the force of UAV is very complex and the dynamic characteristics is different from that in the air. The landing gear model is equivalent to a spring damping system, according to the mechanical properties and geometry of the landing gear of a certain tricycle landing gear UAV. The simulation platform of taxiing and take-off process established in Matlab/Simulink including the model of UAV, the landing gear, the engine and the control system which can simulate the complete process well. Results show that the UAV is nose-down running and always aligned with the heading, while the change of roll attitude is very small. Under the effect of high throttle, the UAV’s speed is increasing faster. After the front wheel is lifted, the main wheel leaves the ground, and the UAV begin to climb at a steady speed. The safe altitude can be reached within a short time.
Dynamics Simulation Research on Tricycle Landing Gear UAV During Taxiing and Take-off Phase
2018
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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