Multirotor Drone

A multi-rotor drone is a special unmanned helicopter with three or more rotor shafts. The motor on each shaft rotates to drive the rotor, thereby generating lift thrust. The total pitch of the rotor is fixed, and it is not variable like a general helicopter. By changing the relative speed between different rotors, the magnitude of the single-axis propulsion force can be changed, thereby controlling the trajectory of the aircraft.

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Advantages of multi-rotor drones

Multi-rotor drones are unmanned aerial vehicles with flexible flight performance advantages such as vertical takeoff and landing and hovering. Therefore, they are more applicable than fixed-wing drones in certain environments. They provide lift through three groups of six motors placed coaxially up and down, adjust their attitude by changing the rotor speed, and further achieve position control by adjusting their attitude. They have the advantages of excellent hovering performance, flexible movement, compact mechanical structure, and high reliability of components.

Application in the agricultural field

Using multi-rotor drones to replace people to spray pesticides has strong control performance. When spraying pesticides, it can spray stably and evenly over a large area. It has the advantages of low cost, high efficiency, high coverage density, good prevention and control effect, water and pesticide saving, low maintenance cost, and reduced harm of pesticides to the human body.

 

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