JPH03220484A - Automatic tracking processor - Google Patents

Abstract

PURPOSE:To perform correct and quick processing by controlling target data to which an identification code is added in accordance with a case wherein a moving target overlaps a fixed target or a confirmation region. CONSTITUTION:Receiving reflection signals from a radar, a target detecting unit 1 digitizes the positions of a moving target to make target data. Position data such as of the positions of fixed targets around courses on which the moving target moves, the bearings, the distances of confirmation regions such as set water areas to be warned and the like are stored in a position identification storage unit 2. The position data in a prescribed range centered on the target data are extracted from the information of the bearings, the distances and the like from the target data by an identification mark control unit 3. The data extracted from the storage unit 2 and the data in the target detecting unit 1 are compared with each other and, when the positions of the fixed target and of the confirmation region overlap the target data, an identification mark is added to the target data. A tracking processor 4 does not process the target data and an error in tracking which passes the neighborhood of the fixed target is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic tracking processing device that automatically tracks a moving target such as a ship using radar.

[Prior Art] A conventional device of this type is shown in FIG. FIG. 3 is a block diagram showing the general configuration of a conventional automatic tracking processing device. In the figure, (1) is a target detection section, (4)
) is a tracking processing section.

A target detection unit (1) receives a radar video signal and a radar azimuth signal from a target, calculates the current position of the target, and sends target data consisting of a distance to the target, an azimuth, and a time to a tracking processing unit (4). The tracking processing unit (4) is the target detection unit (1)
Automatic tracking of moving targets is performed based on target data sent from.

[Problems to be Solved by the Invention] Since the conventional automatic tracking processing device as described above is configured and operates as described above, it is difficult to distinguish between a moving target and a fixed target. Buoy (bqoy)
) or a beacon, there is a risk that the tracking processing unit may mistake the target to be tracked. For example, when monitoring moving targets near a warning area in order to issue a warning to ships entering the warning area, tracking processing is performed on all detected targets, making processing difficult in real time. There was a problem.

The present invention has been made to solve this problem, and an object of the present invention is to provide an automatic tracking processing device that can accurately and quickly perform automatic tracking processing of a moving target.

[Means for Solving the Problems] The automatic tracking processing device according to the present invention stores in advance the positions of fixed targets and confirmation areas such as warning waters that exist around each route when a moving target moves. If a fixed target or confirmation area stored in the position identification storage unit overlaps a moving target to be tracked, an identification code is attached to the target data, and if the fixed target or confirmation area is overlapped with the fixed target, tracking is performed. Control is performed so that the processing unit does not perform correlation processing on the target data with the identification code attached, and tracking control is performed so as to perform alarm processing on the target data with the identification code when it overlaps with the confirmation area. This is what I did.

[Operation] In the present invention, when a fixed target, a confirmation area, etc. and a moving target to be tracked overlap, or when they overlap with a fixed target, the tracking processing section performs a correlation process on the target data attached with an identification code. If the target data overlaps the confirmation area, the tracking control is performed so that the target data with the identification code is subjected to alarm processing, thereby avoiding the tracking processing being performed on fixed targets. This enables real-time processing even in the confirmation area.

[Examples] Examples of the present invention will be described below with reference to the drawings. 1st
The figure is a block diagram showing an embodiment of the present invention. In the figure, the same reference numerals as in FIG. 3 indicate the same or corresponding parts, (2)
(3) is a position identification storage unit, and (3) is an identification code control unit.

The target detection unit (1) receives the radar video signal and radar azimuth signal from the target, digitizes the current position of the target, and sends target data consisting of the distance to the target, azimuth, and time to the identification code control unit (3). .

On the other hand, the position identification storage unit (2) stores the positions of fixed targets around each course of movement of a moving target and the orientation of confirmation areas such as set warning waters.

Position data such as distance is stored, and information such as direction and distance from the target data is stored, as well as position data in a predetermined range centered on the target data (i.e., information exists around each course when the moving target moves). The identification code control unit (3) extracts position data in which the direction and distance of fixed targets, set confirmation areas, etc. are stored.

FIG. 2 is a diagram showing an example of position data stored in the position identification storage unit (2), and shows position data of a caution area.

Next, the identification code control unit (3) compares the position data extracted from the position identification storage unit (2) with the target data from the target detection unit (1), and the positions of the fixed targets and confirmation areas are compared with the target data. If they overlap, the identification code control section (3) attaches an identification code to the target data and sends this target data to the tracking processing section (4).

In the tracking processing unit (4), when target data with an identification code is sent from a fixed target, it is not used as the target data for tracking processing, so that automatic tracking of a moving target passing by the fixed target is performed. Tracking can be performed without mistaking the tracking target.

Furthermore, in the confirmation area, by subjecting only the target data to which the identification code is attached to the warning processing, it is possible to perform the warning processing for the complicated warning/regret area in real time.

[Effects of the Invention] As explained above, the present invention can automatically perform tracking processing for only a moving target even when a fixed target or a confirmation area overlaps with a moving target. Even when passing by a fixed target such as a buoy or beacon, it is possible to avoid the possibility of mistaking the target to be tracked.
For example, even when monitoring a moving target near a warning area in order to issue a warning to a ship intruding into the warning area, the process can be simplified and processed in real time.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing an example of stored position data, and FIG. 3 is a block diagram showing a conventional device. (1) is the target detection unit, (2) is the position identification storage unit, (3)
(4) is an identification code control unit, and (4) is a tracking processing unit.

Claims (1)

[Claims] A target detection section that inputs a reflected signal from a radar and digitizes the position of a moving target as target data, and a tracking processing section that automatically tracks the moving target using the target data. an automatic tracking processing device comprising: a position storage means for storing in advance the positions of fixed targets existing around each route of the moving target or set around each route of the moving target; If the target data of the fixed target and the moving target to be tracked sent from the target detection section overlap, an identification means for attaching an identification code to the target data, and the target data with the identification code is sent to the tracking processing section. An automatic tracking processing device comprising: tracking control means for controlling the fixed target according to the type of the fixed target in the tracking processing unit when the fixed target is sent to the fixed target.