System for controlling pitching, side overturning and yawing of airplane

Abstract

The invention relates to a system for controlling pitching, side overturning and yawing of an airplane. The front side of an elevating rudder (1) of the system is hinged in a notch of the middle part of trailing edge of a wing, a long and thin notch (2) along center line of the airplane is formed in the front or all of the elevating rudder (1) and the trailing edge of the wing, and a vertical stabilizer (3) which is fixedly connected with the wing, arranged in a symmetry plane of the airplane and extends to the upward side and the downward side of the airplane is arranged in the notch (2); and one direction aileron (4) is hinged with the upper part and the lower part behind the vertical stabilizer (3) respectively, and a notch in which the elevating rudder (1) can swing up and down is reserved between the two direction ailerons (4). The system provided by the invention has the advantages that all three-axis control on an aircraft can be realized by only using three actuators, and the system especially has utilization value on an aircraft which vertically takes off and lands and is provided with a flying wing and a hybrid wing body with low aspect ratio.

Description

technical field [0001] The invention relates to a system for controlling aircraft pitch, rollover, and yaw, which can be applied to fixed-wing, flying wing, wing-body fusion aircraft, aircraft with low aspect ratio wings, and aircraft with coaxial reversing helix Propeller for the aircraft. Background technique [0002] Since the time of the Wright Brothers, rotatable control surfaces have been used as aircraft control systems. The elevator and rudder used on the earliest aircraft controlled the aircraft's pitch and yaw / roll respectively. These planes are slow to roll and turn. Invented by the Wright Brothers, the warping wing enabled for the first time independent three-axis control of an aircraft, increased rollover rate, and reduced turning radius. Later, Glenn Curtis invented the aircraft aileron to control rollover, which is a great invention with significant simplification and improvement compared with warping wings. [0003] Since then, someone has invented the el...

AI Technical Summary

Problems solved by technology

[0005] The rudder and vertical full tail have traditionally not been a significant contributor to roll control because the vertical tail has traditionally been much shorter than the wings, too short a moment arm for effective roll control

For newer airframe designs, including low-aspect-ratio fixed-wing VTOL aircraft, the roll inertia and aerodynamic drag to inhibit roll are very low, making it possible for the vertical tail surface to act as the primary roll control, but this A technique that has never been practiced

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