CN114898597A

CN114898597A - Visual route navigation method and system

Info

Publication number: CN114898597A
Application number: CN202210400196.8A
Authority: CN
Inventors: 马晓宁; 史慧峰; 宫浩然
Original assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Current assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-12

Abstract

The application belongs to the technical field of flight navigation, and particularly relates to a visual route navigation method and system. The method comprises the following steps: step S1, loading all visual routes into a memory, wherein the visual routes are routes which are positioned above an airport and used for guiding an airplane to land; step S2, loading the visual flight line corresponding to the airport point to a display terminal according to the airport point corresponding to the visual flight line selected by the user; and step S3, judging whether the current course of the airplane is consistent with the forward direction of the approach carried by the visual flight path, if so, resolving the distance to be flown and the course to be flown by taking the starting point of the runway of the airport point as a target point, otherwise, resolving the distance to be flown and the course to be flown by taking the key point of the runway of the airport point as the target point. According to the method and the device, the flying course and the flying distance to the grounding point of the runway can be resolved and displayed according to the track control mode, and the visual route navigation function is realized.

Description

Visual route navigation method and system

Technical Field

The application belongs to the technical field of flight navigation, and particularly relates to a visual route navigation method and system.

Background

In the prior art, a return mode is adopted to guide an aircraft to land, for example, a ground approach radar, a radio beacon, a guide platform, a radio landing guide device and a corresponding receiving device on the aircraft are used for guiding the aircraft to land safely, in the process, a landing guide system provides the aircraft with accurate landing azimuth, glide slope, distance and other guide information, and the aircraft is aimed at a runway according to the information and enters and lands according to a given glide angle so as to ensure that the deviation of a grounding point is within a specified range.

The currently adopted return flight mode is far in guide route, is not suitable for some airports with terrain limitation, and is easy to cause navigation deviation.

Disclosure of Invention

In order to solve the problems, the application provides a visual route navigation method and a system, and the calculation of the flying course and the flying distance to the grounding point of the runway is completed according to a route control mode based on the visual route.

The application provides a visual route navigation method in a first aspect, which mainly comprises the following steps:

step S1, loading all visual routes into a memory, wherein the visual routes are routes which are positioned above an airport and used for guiding an airplane to land;

step S2, loading the visual flight line corresponding to the airport point to a display terminal according to the airport point corresponding to the visual flight line selected by the user;

and step S3, judging whether the current course of the airplane is consistent with the forward direction of the approach carried by the visual flight path, if so, resolving the distance to be flown and the course to be flown by taking the starting point of the runway of the airport point as a target point, otherwise, resolving the distance to be flown and the course to be flown by taking the key point of the runway of the airport point as the target point.

Preferably, in step S2, the visual route is loaded on the display terminal according to the type of the visual route.

Preferably, the type of visual pathway comprises at least one of a closed polygon, a non-closed line, a circle, an oval, a square, a sector, a left track and field circle, a right track and field circle, and a double track and field circle.

Preferably, in step S3, the distance to be flown and the heading to be flown are calculated according to a point-to-point track control method.

A second aspect of the present application provides a visual route navigation system, comprising:

the visual route acquisition module is used for loading all visual routes into a memory, and the visual routes are routes which are positioned above an airport and used for guiding an airplane to land;

the visual route selection module is used for loading the visual route corresponding to the airport point to the display terminal according to the airport point corresponding to the visual route selected by the user;

and the navigation resolving module is used for judging whether the current course of the airplane is consistent with the forward direction of the approach carried by the visual air route, if so, resolving the distance to be flown and the course to be flown by taking the runway starting point of the airport point as a target point, and otherwise, resolving the distance to be flown and the course to be flown by taking the runway key point of the airport point as the target point.

Preferably, in the visual route selection module, the display terminal loads the visual route according to the type of the visual route.

Preferably, in the navigation solution module, the distance to be flown and the heading to be flown are solved according to a point-to-point track control mode.

The key points of the application are as follows:

and (2) loading different types of visual routes (including closed polygons, non-closed lines, circles, ellipses, squares, sectors, left track and field circles, right track and field circles, two-sided track and field circles and the like) according to the requirements, and completing the calculation of the flying course and the flying distance to the ground point of the runway in a track control mode.

According to the method and the device, the flying course and the flying distance to the grounding point of the runway can be resolved and displayed according to the track control mode, and the visual route navigation function is realized.

Drawings

FIG. 1 is a flow chart of a preferred embodiment of the present visual route guidance method.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.

The first aspect of the present application provides a visual route navigation method, as shown in fig. 1, which mainly includes:

step S2, loading the visual route corresponding to the airport point to a display terminal according to the airport point corresponding to the visual route selected by the user;

In step S2, a visual aircraft site is selected, if an aircraft site exists in the current flight plan, the planned site is selected, otherwise, the aircraft site is selected. In step S3, if the aircraft approaches the airport forward, the distance to be flown and the heading to be flown are solved by using the starting point of the runway of the airport as the target point, otherwise, the distance to be flown and the heading to be flown are solved by using the key point of the runway of the airport as the target point.

In some alternative embodiments, in step S2, the visual airline is loaded on the display terminal according to the type of visual airline.

In some alternative embodiments, the type of visual pathway comprises at least one of a closed polygon, a non-closed line, a circle, an ellipse, a square, a sector, a left track and field circle, a right track and field circle, and a double track and field circle.

In some optional embodiments, in step S3, the distance to be flown and the heading to be flown are solved according to a point-to-point track control method.

The second aspect of the present application provides a visual route guidance system corresponding to the above method, which mainly includes:

In some optional embodiments, the visual route selection module is a display terminal for loading the visual route according to the type of the visual route.

In some optional embodiments, the navigation solution module is configured to solve the distance to be flown and the heading to be flown according to a point-to-point track control manner.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of visual route navigation, comprising:

2. The visual lane navigation method of claim 1, wherein in step S2, said visual lane is loaded with a display terminal based on the type of visual lane.

3. The visual pathway navigation method of claim 2, wherein the visual pathway type includes at least one of a closed polygon, a non-closed line, a circle, an oval, a square, a sector, a left track-and-field circle, a right track-and-field circle, and a double-sided track-and-field circle.

4. The visual lane navigation method of claim 1, wherein in step S3, the distance to flight and the heading to fly are resolved in a point-to-point track maneuver.

5. A visual airline navigation system, comprising:

6. The visual airline navigation system of claim 5, wherein in said visual airline selection module, a display terminal loads said visual airline based on a visual airline type.

7. The visual pathway navigation system of claim 6, wherein the visual pathway type includes at least one of a closed polygon, a non-closed line, a circle, an oval, a square, a sector, a left track-and-field circle, a right track-and-field circle, and a double-sided track-and-field circle.

8. The visual route guidance system of claim 5, wherein the navigation solution module is configured to resolve the distance to fly and the heading to fly in a point-to-point trajectory maneuver.