Vibration actuator and flapping wing aircraft

Abstract

The invention provides a vibrating actuator and an ornithopter. The vibrating actuator is applied to the ornithopter, and comprises an electric loop, magnets and a vibrating component, wherein the electric loop is arranged on an ornithopter body, and used for generating forward and reverse driving current; the magnets are mounted at the oxter pats of two aerofoils in opposite polarities, and used for forming a ferromagnetic field in the area of the vibrating part; the vibrating component is connected with a flexible hinge, and used for vibrating under the action of the forward and reverse driving current generated in the electric loop and the ferromagnetic field, and dragging the flexible hinge and the two aerofoils connected with the flexible hinge to move. According to the invention, through the current driving manner, the action of the ferromagnetic field and the alternating current is utilized to generate impetus with upper and lower reciprocating changes; the vibrating actuator is simple in structure and tiny in size, and improves the energy conversion efficiency.

Description

technical field [0001] The invention relates to the technical field of aircraft, in particular to a vibration actuator and a flapping-wing aircraft. Background technique [0002] The flapping wing aircraft, as the name suggests, is an aircraft powered by the flapping wing method. The most primitive form of the flapping wing aircraft is a bird. When birds fly, their wings flap up and down to push the air down and back to generate forward thrust and upward lift. [0003] The current flapping wing aircraft mainly uses the motor as the power system, and the rotating motion is converted into the flapping action of the wings through the transmission mechanism. However, any transmission mechanism will have a certain conversion efficiency. That is to say, the transmission mechanism converts the elastic energy of electric energy into rotational kinetic energy, and then converts the rotational kinetic energy into up and down motion, and finally turns the up and down motion into fla...

AI Technical Summary

Problems solved by technology

That is to say, the transmission mechanism converts the elastic energy of electric energy into rotational kinetic energy, and then converts the rotational kinetic energy into up and down motion, and finally converts the up and down motion into flapping action. Such multi-level energy conversion makes the efficiency of the entire power system relatively low.

At the same time, the use of transmission mechanisms based on gear sets is also very unfavorable to the miniaturization of the power system.

Obviously, this kind of power system is not only inefficient, but also the structure is not suitable for flapping wing aircraft below 10cm

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