JP2002100000A - Navigation display device and navigation display method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To three-dimensionally confirm the flying state of a flying body. SOLUTION: Three-dimensional map data is pre-stored in a map database part 11, airway position data and the other airway position data, corresponding to one's own airplane are prestored in an airway zone database part 12; and when inputting navigation data on a present position (longitude and latitude), an altitude and an airplane nose azimuth of own airplane to a navigation data input part 13, first of all, the airway position data corresponding to own airplane is read out of the airway zone database part 12 by a flying position determining part 14; a three-dimensional relative position of this airway position data and the input navigation data are determined, map data on the airway zone periphery is read out of the map database part 11 by an image-forming part 15 on the basis of this determination result; image data is formed for superimposing one's own airplane on a corresponding airway zone on a map; and this image data is displayed on a display 17 by a display control part 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation display device and a navigation display method for safely navigating an air route to an air vehicle such as an aircraft.

[0002]

2. Description of the Related Art Generally, in an aircraft, it is indispensable to confirm an air route zone in order to safely navigate a predetermined air route zone.

[0003] For this reason, the pilot confirms the air route zone using a printed material such as a paper map, or converts the paper map into a numerical map and displays it on a digital map display device or the like to check the air route zone.

[0004] However, in the former case, it is very inconvenient to have to look at the paper map in order to confirm the air zone. In the latter case, the display content of the digital map display device is two-dimensional data,
When the vehicle deviates from or approaches the air zone, there is a problem that it is not possible to perform alerts at the three-dimensional level including the altitude. In addition, the digital map display device does not distinguish the air route zone in the altitude direction, and when mixed with other information (place name, national road, river, etc.), the target air route zone at the current position and altitude and other It is difficult to determine the information, and there is a risk that flight safety may be impaired, such as departure from the air zone.

[0005]

As described above, effective means for confirming an airway zone at a three-dimensional level has not yet been realized in checking an airway zone. .

Accordingly, an object of the present invention is to provide a navigation display device capable of confirming a three-dimensional airway zone while reducing the work required for a pilot, thereby improving navigation safety. It is to provide a navigation display method.

[0007]

A navigation display device according to the present invention is mounted on an air vehicle and stores map information in a three-dimensional reference coordinate system, and map information storage means in an air route zone reference coordinate system. Airway position storage means for storing airway position information indicating the position and altitude; flying object position input means for inputting vehicle position information relating to the current position and altitude of the flying object; Based on the flying object position information, the map information stored in the map information storage means and the airway position information stored in the airway position storage means,
The image processing apparatus further includes image generation processing means for generating image display information for superimposing the air vehicle and a corresponding air route zone on a map. Further, it is characterized by including a display and display control means for displaying the image display information generated by the image processing means on the display.

[0008] According to this configuration, three-dimensional map information on which the terrain, the mountain area, and the like are placed is stored, and
Airway position information corresponding to the own vehicle and airline position information corresponding to other aircraft are stored, and when the vehicle position information regarding the current position and altitude of the aircraft is input by a navigation system such as GPS, for example. First, the vehicle position information and the air route position information corresponding to the vehicle are compared and collated, and based on the comparison and collation result, map information around the air route zone is read, and the air vehicle corresponding to the vehicle on the map is read. Image display information for superimposing on a road zone is generated and displayed on a display device.

Therefore, the pilot can check the flight status from the image display information displayed on the display device, whereby a near-miss in the air route zone, danger due to deviation from the air route zone, other air routes, etc. Danger due to approaching the belt can be prevented, and navigation safety can be improved. Further, there is no need to prepare a separate paper map or the like, which can reduce pilot work.

[0010] In the above configuration, the image generation processing means may include image display information in which an air route to be followed by the flying object on the map and other air routes, and only the air route to be followed by the flying object. Alternatively, image display information obtained by combining intersections associated with the airline zone may be selectively generated by an external instruction. For example, when the display screen is narrow, it becomes difficult to see if a lot of information is put on the screen.
For this reason, if the pilot can selectively display the air zone that the own vehicle should follow or the intersection associated with that air zone, the pilot can check the flight status of the air vehicle on an easy-to-read display screen become able to.

In the above configuration, the image generation processing means compares the flying object position information input by the flying object position input means with the airway position information stored in the airway position storage means to determine a relative position. The calculated flight relative position calculating means, and the map information near the air route zone is read from the map information storage means in accordance with the relative position between the flying object and the air route zone obtained by the flight relative position calculating means, and the image display information And an image processing means for generating. By doing so, when a large amount of map information is stored, map information in a necessary range on the display screen can be efficiently read out according to the relative position between the flying object and the air route zone. .

In the above configuration, the display control means selectively superimposes a symbol indicating an air route zone, a symbol indicating an air vehicle, a terrain on a map, and other symbols on a display. In addition, altitude data and identification data are added and displayed for each symbol.

By doing so, the pilot can select and display the symbol indicating the air route zone, the symbol indicating the flying object, the terrain on the map, and other symbols as necessary. Altitude data and flying objects for each symbol,
Since the identification data such as the air route zone, the station, and the mountain are added and displayed, the flight status and the periphery of the air route zone can be confirmed three-dimensionally on a more easily viewable screen.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the navigation display device according to the present invention. In FIG. 1, this navigation display device is installed, for example, in the cockpit of an aircraft, and includes a map database unit 11, an air route zone database unit 12, a navigation data input unit 13, a flight position determination unit 14, an image A generation unit 15, a display control unit 16,
The display 17 is provided.

The map database 11 stores map data in a three-dimensional reference coordinate system. The airline zone database unit 12 stores airline position data indicating positions and altitudes of a plurality of airline zones set in correspondence with each aircraft in the reference coordinate system.

The navigation data input unit 13 is, for example, an INS
The navigation data such as the latitude, longitude, altitude, and azimuth of the own aircraft from other devices such as (registered trademark) and GPS are input, and the navigation data is supplied to the flight position determination unit 14.
The flight position determination unit 14 reads air route position data corresponding to the input navigation data from the air route zone database unit 12 and three-dimensionally determines the relative position between the own aircraft position and the air route zone. The information is output to the image generator 15.

The image generating section 15 sends map data request information necessary for reading map data near the air route zone to the map database section 11 based on the inputted judgment information. Read map data. Then, image data for displaying the airline zone corresponding to the own aircraft on the map to be displayed is generated. This image data is displayed on the display 17 by the display control unit 16 and presented to the pilot.

As shown in FIG. 2, the image generation unit 15 includes a current airway zone image generation function 151, an all airway zone image generation function 152, and a waypoint designated airway zone image generation function 153. Have. Further, the display control unit 1
Reference numeral 6 denotes a display for selectively overlaying a symbol indicating an air route zone, a symbol indicating an aircraft, a symbol of a station, and a terrain on a map on the display 17 in accordance with instruction information from the outside. A symbol selector 161 is provided. The display symbol selection unit 161 additionally displays, on the display screen, altitude data and identification data such as aircraft, airline zones, stations, mountains, and towns for each symbol. The identification data includes numerical data.

As shown in FIG. 3, the airline zone image generation function 151 according to the instruction information from the outside, and the airline zone to be followed by the aircraft itself on the three-dimensional numerical map and the associated airline zone Image data that combines the intersections to be generated. FIG. 3 is a display example on the display unit 17,
The identification data (V30) indicating the air route zone and its altitude data (FL150), the identification data of the station (VOR / DME), the azimuth angle of the aircraft in the air route zone to which the aircraft should fly ( 85, 20) are displayed. Since the air zone on the right side of the intersection is another air zone, the identification data of the other air zone is added on the display screen to call the pilot's attention.

The all air zone image generation function 152 reads other air zone data near the own air zone from the air zone database section 12 in accordance with external instruction information, and shows it in FIG. In this manner, image data is generated by combining the airline zone to be followed by the own aircraft with another airline zone on the three-dimensional numerical map. FIG. 4 is a display example on the display unit 17, and the identification data (V1
0) and the like are displayed.

As shown in FIG. 5, the waypoint-designated airway zone image generation function 153 is used to generate image data indicating only the airway zone to be followed by the user on a three-dimensional numerical map, as shown in FIG. Generate

As described above, according to the above-described embodiment, the three-dimensional map data on which the terrain, the mountainous parts, and the like are placed is stored in the map database unit 11 in advance, and the air route position corresponding to the own aircraft is stored. The data and the air route position data corresponding to the other aircraft are stored in advance in the air route zone database unit 12, and the current position (longitude, latitude), altitude, and aircraft of the own aircraft are obtained by a navigation system such as INS or GPS. When navigation data relating to the heading azimuth is input to the navigation data input unit 13, first, the flight position determination unit 14 reads air route position data corresponding to the own aircraft from the air route zone database unit 12, and reads this. The three-dimensional relative position between the air route position data and the input navigation data is determined, and based on the determination result, the map data around the air route zone is converted into map data by the image generation unit 15. Read from the over scan portion 11, so that to generate an image data for displaying the airway band corresponding to the own apparatus on the map, the display control unit 16 displays this image data on the display device 17.

Therefore, the pilot can check the flight status of his own aircraft from the image data displayed on the display unit 17, whereby near misses in the air route zone, dangers due to deviation from the air route zone, etc. Danger due to approaching the airway zone can be prevented, and navigational safety can be improved. Further, there is no need to prepare a separate paper map or the like, which can reduce pilot work.

In the above embodiment, the image generation unit 15
In addition, a current airway zone image generation function 151, an all airway zone image generation function 152, and a waypoint designation airway zone image generation function 153 are provided, and these current airway zone image generation functions are provided in accordance with an instruction from a pilot. The function 151, the all airway zone image generation function 152, and the waypoint designation airway zone image generation function 153 are selectively operated. By doing so, for example, when the display screen of the display 17 is narrow and it is difficult to see if a lot of information is put on the screen, the pilot selects the airline zone to be followed by the own aircraft or the airline zone. If the accompanying intersection can be selectively displayed, the pilot can check the flight status of the aircraft on an easy-to-read display screen.

In the above embodiment, the display control unit 16
In accordance with the pilot's instruction, a symbol indicating an air route zone, a symbol indicating an aircraft, a symbol of a station, and a terrain on a map are selectively superimposed and displayed, and altitude data and A display symbol selection unit 161 for adding identification data is provided. For this reason, the pilot can select and display the symbol indicating the air route zone, the symbol indicating the aircraft, the terrain and other symbols on the map as needed, and, for each symbol, the altitude data and the aircraft, Since the identification data such as the air route zone, the station, and the mountain are additionally displayed, the flight status of the own aircraft and the vicinity of the air route zone can be confirmed three-dimensionally on a more easily viewable screen.

In the above-described embodiment, an example has been described in which the display 17 displays a part of the airway zone and the terrain in the vicinity thereof. May be displayed. Alternatively, the altitude value may be displayed in a mountainous area.

In addition, the configuration of the navigation display device, the type of the target flying object, the display method on the display, the type of the symbol to be displayed, and the like are variously modified without departing from the gist of the present invention. Can be implemented.

[0029]

As described in detail above, according to the present invention,
It is possible to provide a navigation display device and a navigation display method capable of confirming the airway zone in three dimensions while reducing the work for the pilot, thereby improving navigation safety.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a navigation display device according to the present invention.

FIG. 2 is a functional block diagram showing a specific configuration of an image generation unit and a display control unit shown in FIG. 1;

FIG. 3 is a view showing a display example of image data generated by the image generation unit of FIG. 1;

FIG. 4 is a diagram showing a display example of image data.

FIG. 5 is a diagram showing a display example of image data.

[Explanation of symbols]

 11: Map database unit, 12: Air route zone database unit, 13: Navigation data input unit, 14: Flight position determination unit, 15: Image generation unit, 16: Display control unit, 17: Display unit, 151: Current air route Band image generation function, 152: All airway zone image generation function, 153: Waypoint designation airway zone image generation function, 161: Display symbol selection unit

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Katsumi Yoneda 1, Komukai Toshiba-cho, Saiwai-ku, Kawasaki-shi, Kanagawa F-term in Toshiba Komukai Plant (reference) 5H180 AA26 FF05 FF22 FF32 5J062 AA01 AA11 BB03 CC07 FF04 HH04 HH07

Claims (12)

[Claims] 1. A map information storage means mounted on an air vehicle and storing map information of a three-dimensional reference coordinate system, and air route position information indicating a position and an altitude of an air zone in the reference coordinate system. Airway position storage means; air vehicle position input means for inputting air vehicle position information relating to the current position and altitude of the air vehicle; air vehicle position information obtained by the air vehicle position input means; and the map information storage means Image generation processing for generating image display information for superimposing the air vehicle and a corresponding air route zone on a map based on the map information stored in the air route position information stored in the air route position storage means. And a navigation display device. 2. The image generation processing means obtains a relative position by comparing the flying object position information input by the flying object position input means with the airway position information stored in the airway position storage means. Flight relative position calculating means, and reading the map information near the air route zone from the map information storage means in accordance with the relative position between the flying object and the air zone determined by the flight relative position calculating means, 2. The navigation display device according to claim 1, further comprising: an image processing unit configured to generate an image. 3. The image processing means according to claim 1, further comprising: image display information in which an air track to be traced by the flying object and another air path on the map are combined; 3. The navigation display device according to claim 2, wherein image display information obtained by combining intersections associated with the air zone is selectively generated by an external instruction. 4. The navigation display device according to claim 1, further comprising a display, and display control means for displaying image display information generated by said image processing means on said display. 5. The display control means selectively displays, on the display, a symbol indicating the airway zone, a symbol indicating the flying object, a terrain on a map, and another symbol in a superimposed manner. The navigation display device according to claim 4, wherein: 6. The navigation display device according to claim 4, wherein the display control means adds and displays altitude data and identification data for each symbol on the display. 7. Map information storage means for storing map information of a three-dimensional reference coordinate system, and airway position storage means for storing airway position information indicating the position and altitude of an airway zone in the reference coordinate system. In the case of having, the vehicle position information relating to the current position and altitude of the vehicle is input, and the vehicle position information, the map information stored in the map information storage unit, and the air route position storage unit are stored. A navigation display method for generating, based on the obtained air route position information, image display information for superimposing the air vehicle and a corresponding air route zone on a map. 8. A relative position is obtained by comparing the input flight object position information with the air route position information stored in the air route position storage means, and the relative position is determined according to the relative position between the flying body and the air route zone. 8. The navigation display method according to claim 7, further comprising: reading map information near an air route zone from the map information storage means to generate the image display information. 9. An image display information on a map, in which an air route to be followed by the flying object is combined with another air route zone, and only the air route to be followed by the flying object or associated with the air route zone. 8. The navigation display method according to claim 7, wherein the image display information obtained by combining the intersections is selectively generated by an external instruction. 10. The navigation display method according to claim 7, wherein when a display is provided, the generated image display information is displayed on the display. 11. The display device according to claim 1, wherein a symbol indicating the air route zone, a symbol indicating the flying object, a terrain on a map, and other symbols are selectively overlapped and displayed. Item 10. The navigation display method according to Item 10. 12. The navigation display method according to claim 10, wherein altitude data and identification data are added and displayed for each symbol on the display.