Fixed wing aircraft autonomous deck landing method and system

Abstract

The invention discloses a fixed wing aircraft autonomous deck landing method and system; the method and system build a relative motion model between the aircraft and a carrier, build an ideal glide path, convert an autonomous deck landing problem into a path tracking problem, use an aircraft six degrees of freedom non-linear motion model, consider coupling between aircraft longitudinal control with lateral course control, and model the carrier deck motions, so the system and method can approach more to the real motions and be more accurate in control. The method and system and improve the decklanding accuracy of the fixed wing aircraft under a carrier deck motion condition.

Description

technical field [0001] The invention relates to the technical field of automatic control of fixed-wing aircraft, in particular to a method and system for autonomous landing of a fixed-wing aircraft. Background technique [0002] The aircraft carrier is one of the symbols to measure the comprehensive strength of the country. In several local wars in the world since the 1990s, aircraft carriers have played an extremely important role. The main combat weapon of an aircraft carrier is carrier-based aircraft. A large aircraft carrier can carry dozens to hundreds of different types of carrier-based aircraft at the same time. These carrier-based aircraft form a carrier-based aircraft wing, which has a broad combat mission and strong attack and defense Capable of performing long-distance reconnaissance, air and sea control, and anti-submarine operations. However, in actual operation, the accident rate of carrier-based aircraft is much higher than that of land-based aircraft in the...

AI Technical Summary

Problems solved by technology

However, the landing environment of carrier-based aircraft is very complicated. In addition to being disturbed by the airflow, the aircraft carrier will also produce motions such as pitching, rolling, and ups and downs due to the influence of surges.

In addition, in order to shorten the landing distance, the carrier-based aircraft is operating at a low speed and high angle of attack when it lands. At this time, the aircraft is working on the back of the drag curve. , which greatly affects the success rate of landing

At present, most of the automatic landing research of fixed-wing aircraft is aimed at the landing of land-based aircraft on a fixed runway, and most of them are based on small disturbance linearization models, which cannot accurately reflect the motion state of the aircraft and reduce the anti-interference ability of the aircraft.

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