Fundamentals of UAV Flight Control Theory
Published:
2022-11-09 10:03
Source:
Balance of drones:
The force acting on the aircraft should be just balanced, that is, the resultant force is zero, and according to Newton's second law, if the resultant force is not 0, the aircraft will produce acceleration.
For convenience, all the forces experienced by the aircraft are decomposed into the three axes of X, Y, and Z, and all the bending moments experienced by the aircraft are decomposed into the bending moments around the three axes of X, Y, and Z.
The bending moment imbalance will produce rotation, here X, Y, Z can be redefined, the X-axis bending moment unbalanced aircraft will roll, the Y-axis bending moment unbalanced aircraft will pitch, and the Z-axis bending moment unbalanced aircraft will yaw.
Application of Bernoulli's law to fixed-wing aircraft:
Briefly, the greater the flow speed of air, the smaller the pressure on the wing, on the contrary, the smaller the speed, the greater the pressure, the structure of the wing makes the upper part of the wing air flow faster, the pressure is smaller, the lower air flow rate of the wing is slower, the pressure is greater, so the wing is pushed up
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