The wind field has a great influence on the control stability of Tilt-rotor unmanned aerial vehicle (UAV). especially during the take-off and landing phase. The airspeed of UAV is so small during these phases that it cannot generate stable aerodynamic forces. which will significantly reduce the wind robustness of Tilt-rotor UAV. https://www.petsafewirelessfence.com/product-category/recycle-receptacles/