JPS6176893A - Target evaluating device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a device that is attached to, for example, a fire control device that controls a firearm so that a bullet hits a target, and that accurately predicts a future position.

[Prior art]

There was a conventional device of this type, as shown in Figure 1. In the figure, (1) is a radar for tracking a target;
(2) is the current position signal, (3) is the tracking calculation device for calculating the target direction and speed, +41 is the target movement direction signal, (5) is the target speed signal, and (6) is the future A fire calculation device that calculates the position and attack possibility status, (
7) is a future position signal, (8) is a firearm that fires a bullet toward a future position, (9) is a target, αG is the current position after the bullet flight time, and fin is the future position.

The operation will be explained next.By tracking a target with the radar (1), the current position of the target can be obtained from moment to moment. The current position obtained is.

The current position signal (2) is sent to the tracking calculation device (3).

The tracking calculation device (3) calculates the movement direction and speed of the target from the current position signal (2), and sends the current position signal (21) as well as the target movement direction (4) and speed signal (51) to the shooting calculation device (51).
Send to 61. The firearm (3) fires a bullet toward the future position obtained from the firing calculation device 16+.

The conventional fire control device is constructed as described above.

Because the future position is predicted on the assumption that the target's motion direction and speed will not change during the bullet flight time,
1 changes the direction of movement by making a circular motion, etc., there will be a gap between the current position αG and the future position αυ after the bullet flight time, reducing the bullet's hit rate, delaying the time to attack the target, and at the same time reducing the system's performance. The drawback was that it was not possible to collect field data for conducting quantitative evaluations.

[Summary of the invention]

Figure 2 shows a case where there is a difference between the current position trajectory and the future position trajectory due to a conventional fire control system. In Figure 1, α2 is the current position trajectory, α3 is the current position trajectory f
The tangent to i3, α4, is the locus of the future position. This invention was made in order to improve such conventional drawbacks, and it is possible to easily calculate the future position of a target moving in a circular motion, etc. with accuracy, and at the same time calculate the target's attack priority and hit rate. The present invention provides a target evaluation device that calculates, selects and displays a specific attack firearm from two or more types of attack IK firearms, and records data necessary for system evaluation analysis.

[Embodiments of the invention]

An embodiment of the present invention shown in FIG. 3 will be described below. (to) is an offensive firearm (+81. A, B,...
- Compatible with N). Possibility of firearm movement 2 Firearm status signal indicating system status such as firing situation and number of remaining bullets, 21 is attack priority signal, 01 is attack possibility status calculated from future position and effective range of bullet, 3! I is a recording device that records information obtained by the firearm selection control device as a record data signal (to), a! 9 is the bullet flight time signal, (II1
9 is a delay device for delaying the future position by the bullet flight time in order to compare the current position and the future position after the bullet flight time; 17
1 is the delayed future position signal delayed by the bullet flight time, α
a is from the delayed future position signal η.

A future position error calculation device that subtracts the current position signal (2).

Sauce is a future position error signal, ■ is a future position error correction device that automatically corrects by adding a future position error signal α■ to the future position signal (7), an is a corrected future position signal, and 23 is a corrected future position signal Subtract the current position signal (2) from Qυ.

A hit rate calculation device that calculates the hit rate by dividing by the bullet effective radius depending on the type of firearm (+81. A, B, ..., N), 0 is the hit rate signal, 124 is the hit rate signal. , two or more types of attack firearms (+S+,
Man.

Select an attack weapon from B,...,N) and aim at the target.

At the same time as sending an attack status signal to the 9 display device (to) as an example of an attack status signal indicating the combination of attack weapons, the attack firearm (+8
1. A, +1. . . , N), the attack firearm (+81..
Firearm selection control device that also sends to people pB+...,N),
(B) is a remote control device that remotely switches the firearm selection control device to manual or automatic mode, G71+, firearm status display panel that displays the firearm status signal ■, (C) is the future position signal, and □□□ is the corrected future It's the location.

Next, the operation will be explained. By tracking the target with the radar (1), the current position # of the target can be obtained from time to time. The current position obtained is.

As the current position signal (2), the tracking calculation device (3) calculates the target's movement direction and speed from the current position yellow signal (2), and generates the target's movement direction signal (4) together with the current position signal (2). and.

Speed signal (5) is offensive (+81. A, B, ・
..., N), which performs shooting calculations in response to
6), and at the same time, it is also sent to the attack priority determination device (to).

The shooting calculation device (6) fires a bullet from a firearm.

The target position changes during the elapsed time until the bullet reaches the target, but assuming that the direction and speed of the target's motion remain the same, the future position where the target and the bullet meet is calculated and the future position signal is generated. As (7), when the signal is sent to the delay device αe and the future position l error correction device (■), the nine-bullet flight time signal (c) is also sent to the delay device fiG. Also, based on the calculated future position and the effective range of the bullet, an attack possibility status is calculated and sent as an attack possibility status signal ■ to the attack priority determination device. The future position signal device (f) automatically adds the future position error signal α!1 to the future position signal (7), calculates a corrected future position, and sends it to the hit rate calculation device.

The accuracy calculation device #\@ subtracts the current position signal obtained from the tracking calculation device from the corrected future position signal obtained from the future cost error correction device #ω, and calculates the attack firearm (181, A,
B, . . . , N) are divided by the bullet effective radius depending on the type, the hit rate is calculated and sent as a hit rate signal to the firearm selection control device Q41.

The attack priority determination device (goods) ranks the attack priority based on the target motion specifications obtained from the tracking calculation device (3) and the attack possibility status signal (7) obtained from the shooting calculation device (6). and as the attack priority signal (2),
Send it to the firearm selection control device (2).

The firearm selection control device t (to) outputs a hit rate signal obtained from the hit rate calculation device (ta), an attack priority signal - obtained from the attack priority determination device (to), and an attack firearm (+S+).

Determine the type of target and firearm based on the firearm status signal obtained from input, B, ..., N), and enter the combination of target and attack firearm on the firearm status display board [1 (To)]. As a status signal G11, at the same time as sending an attack firearm (+81. A, B,...t N) to K.

Sends a firearm control signal (to) consisting of an attack status signal OD and a modified future position signal Qυ.

The firearm selection control device
Send the firearm status signal (to) obtained from "t..., N) to the firearm status display panel (9). Recording device # (to)
is the accuracy signal obtained from the accuracy calculation device #, the firearm status signal obtained from the attack firearm (+81° person, B,...,N) (to), the attack priority judgment device (to) The attack priority signal (■) etc. obtained from the above are obtained from the firearm selection control device (to) as a recorded data signal (to).

Remote control device # (b) is an attack firearm ((at, A,
B...

The operator inputs whether to select automatic or manual firearm selection for N) based on the information shown on the firearm status display panel, and sends the automatic or manual switching control signal (to) to the firearm selection control device @. send.

FIG. 4 shows the trajectory of the current position, the trajectory of the future position, and the trajectory of the corrected future position according to the present invention. In FIG. 2, the penalty is the trajectory of the corrected future position.

In addition, the current position trajectory u3 and the corrected future position trajectory (5)
Although they almost overlap, for the sake of explanation they are separated by a distance that allows them to be distinguished.

In the explanation so far, the case where a target is tracked with a radar has been described, but the present invention is not limited to this, and may be used when a target is tracked optically or with a laser.

〔Effect of the invention〕

As described above, according to the present invention, even if the target changes its direction of motion, the future position signal can be easily corrected to the future position. Even when possessing the above-mentioned attack firearms, it is possible to determine the appropriate timing to fire the firearm, shorten the response time, and at the same time improve system survivability. It has the advantage of being able to record various data online.

Furthermore, by accurately managing and monitoring the various firearm statuses displayed on the firearm status display panel, remote control devices can
Because the firearm selection can be switched from automatic to manual or from manual to automatic, the scale does not allow for a highly flexible system configuration;
It has the advantage of being able to conduct tests efficiently.

[Brief explanation of drawings]

Figure 1 is a diagram showing the configuration of a conventional fire control system and the relationship between the current position and future position. Figure 2 is a diagram showing the relationship between the current position and future position of a conventional fire control system. 4 is a diagram showing the configuration of a fire control device to which this invention is applied and the relationship between the current position, future position, and corrected future position. FIG. FIG. 3 is a relationship diagram of trajectories of corrected future positions. In the figure, (1) is the radar, (21 is the current position signal, (31
is the tracking calculation device, +41 is the target motion direction signal, (5
) is the speed signal, (6) is the firing calculation device, (7) is the future position error, (+81°A, B,...,N) is the attack firearm, (9) is the target, and αG is the bullet flight. Current position after time, +11+ is future position, i12 is trajectory of current position,
113 is the tangent of the trajectory before the current position, +14 is the trajectory of the future position, (L9 is the bullet flight time signal, eel is the delay device IT,
a negative is the delayed future mission signal, haze is the future position error calculation device, C19 is the future position error signal, ■ is the future position error correction device, clυ is the corrected future position signal, T23 is the hit rate calculation device, c! 3 is the accuracy signal, c! 4 is a display device. (To) is the future position error, (5) is the corrected future position j# according to this invention, and @ is the locus of the corrected future position according to this invention. (To) is the attack priority determination signal, and (C) is the attack priority signal. (1) is a political possibility status signal, aJ is an attack status signal, (to) is a firearm selection display device, (to) is a firearm control signal, (b) is a remote control device, (to) is a switching control signal, ( (to) is a firearm status signal, (9) is a firearm status display board, @ is a recording data signal, and (to) is a recording device. Identical or equivalent parts in Figure 9 are designated by the same reference numerals.

Claims (1)

[Claims] By tracking the target with radar etc., we obtain the target's moment-by-moment position, calculate the target's movement direction and speed, and assume that the movement direction and speed do not change. In a target evaluation device that evaluates the predicted position of a target, in order to compare the time-aligned current position of the target with the predicted position, a delay device that delays the predicted position by a predetermined time and a delay device that subtracts the current position from the delayed predicted position are used. a future position error calculation device that calculates a predicted position error by adding the predicted position error to the predicted position, a future position error correction device that corrects the next predicted position by adding the predicted position error to the predicted position, and a future position error correction device that calculates a predicted position error A hit rate calculation device that calculates the hit rate based on the position signal and the current position signal obtained from the tracking calculation device, the movement specifications of the target obtained from the tracking calculation device, and two or more types of attack firearms. An attack priority determination device ranks targets to be attacked based on the attack possibility status obtained from a shooting calculation device that performs shooting calculations, and the hit rate corresponding to the attack firearm and the attack priority. A firearm selection control device that selects a specific attack firearm from among more than one type of attack firearm, a firearm status display panel that displays operational status regarding the attack firearm, and a remote control device that remotely controls the firearm selection control device; It has a firearm selection display device that displays the hit rate and attack priority corresponding to the attack firearm, and uses the predicted position error to calculate the next predicted position and calculate the hit rate. Obtain the target motion specifications and attack probability status from the shooting calculation device, calculate the attack priority of the target, and select a specific attack firearm based on the hit rate, attack priority, and attack firearm status obtained from the attack firearm. A target evaluation device that selects, displays, and records online various signals, statuses, etc. necessary for performing system performance evaluation and analysis.