A laser seeker rapid automated testing system and working method

Abstract

The invention discloses a laser seeker rapid automated test system and working method. The invention provides a target motion turntable gyro on a light source fixing seat, a laser light source is provided on the target motion turntable gyro, the light source fixing seat is driven by a first brushless DC motor with an encoder, an isolation turntable gyro is provided on a seeker fixing seat, the seeker fixing seat is used to fix the seeker to be tested, the seeker fixing seat is driven by a second brushless DC motor with an encoder, the second brushless DC motor with an encoder and the isolation turntable gyro are both connected to an isolation turntable servo control board, the target motion turntable servo control board and the isolation turntable servo control board are both connected to a PC, the light source and the laser seeker can be moved according to a predetermined trajectory, and the test accuracy of the seeker is improved. The invention solves the problems of high cost, low efficiency and complex operation of the laser seeker test system, and ensures the reliability of the test results.

Description

Technical Field

[0001] The invention belongs to the field of seeker testing, and in particular relates to a laser seeker rapid automatic testing system and a working method. Background Art

[0002] In recent years, the rapid development of laser seekers has made the caliber, volume and cost smaller and smaller, making the application scenarios of laser-guided weapons more extensive, especially the high-precision strikes on ground targets are becoming more and more mature, which can destroy bridges, houses, oil depots, etc., as large as cars, base stations, etc. As the seeker of various guided weapons, the testing and assessment of performance indicators must be completed on the test equipment. With the increase in demand for laser seekers, batch production tasks require test equipment to reflect the performance indicators of products more accurately, conveniently and intelligently, and complete the acceptance and delivery projects. However, the existing test equipment is complicated to operate, the test efficiency is low, and the turntable error is large, which is not suitable for high-efficiency testing of large quantities of products. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a laser seeker rapid automated testing system and working method, which solves the problems of high cost, low efficiency and complex operation of laser seeker testing systems in the prior art, while reducing manual participation in seeker testing, ensuring the reliability of test results, shortening testing time and reducing labor costs.

[0004] In order to achieve the above-mentioned purpose, a laser seeker rapid automatic test system comprises a first brushless DC motor with an encoder and a second brushless DC motor with an encoder, the first brushless DC motor with an encoder is connected to a light source fixing seat, a target motion turntable gyro is arranged on the light source fixing seat, a laser light source is arranged on the target motion turntable gyro, the second brushless DC motor with an encoder is connected to a seeker fixing seat, an isolation turntable gyro is arranged on the seeker fixing seat, the seeker fixing seat is used to fix the seeker to be tested, the first brushless DC motor with an encoder and the target motion turntable gyro are both connected to a target motion turntable servo control board, the second brushless DC motor with an encoder and the isolation turntable gyro are both connected to the isolation turntable servo control board, the target motion turntable servo control board and the isolation turntable servo control board are both connected to a PC, and the PC is connected to the laser light source;

[0005] The PC is used to obtain data of the first brushless DC motor with encoder, the second brushless DC motor with encoder, the target motion turntable gyroscope and the isolation turntable gyroscope in real time, and to control the laser light source.

[0006] The first brushless DC motor with an encoder is arranged on a first motor fixing seat, and the first motor fixing seat is fixed on a horizontal substrate.

[0007] The second brushless DC motor with encoder is arranged on a second motor fixing seat, and the second motor fixing seat is fixed on the horizontal substrate.

[0008] The target motion turntable servo control board and the isolation turntable servo control board are both fixed on the horizontal base.

[0009] The seeker and laser light source under test are both pointed toward the wall.

[0010] The laser light source, the target motion turntable servo control board, the isolation turntable servo control board and the tested seeker are all connected to a power supply.

[0011] A working method of a laser seeker rapid automatic test system comprises the following steps:

[0012] S1, fix the seeker to be tested on the seeker fixing seat;

[0013] S2, turn on the laser light source, the target motion turntable servo control board controls the first brushless DC motor with encoder to drive the fixed seat to rotate, so that the laser of the laser light source shines on the wall to appear the target point, and the PC sends a capture command to the test seeker;

[0014] S3, the isolation turntable servo control board controls the second brushless DC motor with encoder to drive the test seeker to rotate, test the isolation performance of the tested seeker, and feed back to the PC for storage;

[0015] S4, rotate the tested seeker counterclockwise by 90°, test the pitch direction performance of the tested seeker, and send the test results to the PC for processing and calculation of performance indicators to complete the automated test of the tested seeker.

[0016] The first brushless DC motor with encoder sends the angular position signal of the light source fixing seat to the isolation turntable servo control board;

[0017] The second brushless DC motor with encoder sends the angular position signal of the seeker fixing seat to the target motion turntable servo control board;

[0018] The target motion turntable servo control board and the isolation turntable servo control board send the angular position signals of the seeker mounting seat and the light source mounting seat to the PC.

[0019] The angular velocity signal of the gyro acquisition lead fixing seat of the isolation turntable is sent to the servo control board of the isolation turntable;

[0020] The angular velocity signal of the light source fixing seat collected by the target motion turntable gyro is sent to the target motion turntable servo control board;

[0021] The target motion turntable servo control board and the isolation turntable servo control board send the angular velocity signals of the seeker mount and the light source mount to the PC.

[0022] Compared with the prior art, the present invention is provided with a target motion turntable gyro on the light source fixing seat, a laser light source is provided on the target motion turntable gyro, the light source fixing seat is driven by a first brushless DC motor with an encoder, an isolation turntable gyro is provided on the seeker fixing seat, the seeker fixing seat is used to fix the tested seeker, the seeker fixing seat is driven by a second brushless DC motor with an encoder, the second brushless DC motor with an encoder and the isolation turntable gyro are both connected to the isolation turntable servo control board, the target motion turntable servo control board and the isolation turntable servo control board are both connected to a PC, the present invention controls the seeker turntable, controls the actuators such as the light source turntable through the PC, can make the light source and the laser seeker move according to a predetermined trajectory, and improves the test accuracy of the seeker. The problem of high cost, low efficiency and complex operation of the laser seeker test system in the prior art is solved, and at the same time, the manual participation of the seeker test is reduced, the reliability of the test results is ensured, the test time is shortened, and the labor cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention;

[0024] Figure 2 It is a schematic diagram of the working state of the present invention;

[0025] Figure 3 is a system diagram of the present invention;

[0026] Among them, 1-horizontal base; 2-seeker fixing seat; 3-tested seeker; 4-target motion turntable gyroscope; 5-laser light source; 6-wall; 7-light source fixing seat; 8-first motor fixing seat; 9-first brushless DC motor with encoder; 10-target motion turntable servo control board; 11-second brushless DC motor with encoder; 12-second motor fixing seat; 13-isolation turntable gyroscope; 14-isolation turntable servo control board. DETAILED DESCRIPTION

[0027] The present invention will be further described below in conjunction with the accompanying drawings.

[0028] See also Figure 1 and Figure 2A laser seeker rapid automated test system comprises a first brushless DC motor with an encoder 9 and a second brushless DC motor with an encoder 11, the first brushless DC motor with an encoder 9 is connected to a light source fixing seat 7, a target motion turntable gyroscope 4 is arranged on the light source fixing seat 7, a laser light source 5 is arranged on the target motion turntable gyroscope 4, the second brushless DC motor with an encoder 11 is connected to a seeker fixing seat 2, an isolation turntable gyroscope 13 is arranged on the seeker fixing seat 2, the seeker fixing seat 2 is used to fix the seeker 3 to be tested, the first brushless DC motor with an encoder 9 and the target motion turntable gyroscope 4 are both connected to a target motion turntable servo control board 10, the second brushless DC motor with an encoder 11 and the isolation turntable gyroscope 13 are both connected to an isolation turntable servo control board 14, the target motion turntable servo control board 10 and the isolation turntable servo control board 14 are both connected to a PC, and the PC is connected to a laser light source 6;

[0029] The PC is used to obtain data of the first brushless DC motor with encoder 9 , the second brushless DC motor with encoder 11 , the target motion turntable gyroscope 4 and the isolation turntable gyroscope 13 in real time, and control the laser light source 5 .

[0030] The first brushless DC motor with encoder 9 is arranged on the first motor fixing seat 8, and the first motor fixing seat 8 is fixed on the horizontal substrate 1. The second brushless DC motor with encoder 11 is arranged on the second motor fixing seat 12, and the second motor fixing seat 12 is fixed on the horizontal substrate 1. The target motion turntable servo control board 10 and the isolation turntable servo control board 14 are both fixed on the horizontal base 1. The tested guide head 3 and the laser light source 5 are both pointed to the wall 6. The laser light source 5, the target motion turntable servo control board 10, the isolation turntable servo control board 14 and the tested guide head 3 are all connected to the power supply.

[0031] The rated torques of the first brushless DC motor with encoder 9 and the second brushless DC motor with encoder 11 are both 0.73 NM.

[0032] See also Figure 1 , Figure 2 and Figure 3 , a working method of a laser seeker rapid automatic test system, comprising the following steps:

[0033] S1, fixing the tested seeker 3 on the seeker fixing seat 2;

[0034] S2, turn on the laser light source 5, the target motion turntable servo control board 10 controls the first brushless DC motor with encoder 9 to drive the fixed seat 7 to rotate, so that the laser of the laser light source 5 irradiates the target point on the wall, and the PC sends a capture command to the test seeker 3;

[0035] S3, the isolation turntable servo control board 14 controls the second brushless DC motor with encoder 11 to drive the test seeker 3 to rotate, test the isolation performance of the tested seeker 3, and feed back to the PC for storage;

[0036] S4, the tested seeker 3 is rotated counterclockwise by 90°, the pitch direction performance of the tested seeker 3 is tested, and the test result is sent to the PC for processing and calculating the performance index, thereby completing the automated test of the tested seeker 3.

[0037] The first brushless DC motor with encoder 9 sends the angular position signal of the light source fixing seat 7 to the isolation turntable servo control board 14; the second brushless DC motor with encoder 11 sends the angular position signal of the guide head fixing seat 2 to the target motion turntable servo control board 10; the target motion turntable servo control board 10 and the isolation turntable servo control board 14 send the angular position signals of the guide head fixing seat 2 and the light source fixing seat 7 to the PC.

[0038] The isolation turntable gyro 13 collects the angular velocity signal of the seeker fixing seat 2 and sends it to the isolation turntable servo control board 14; the target motion turntable gyro 4 collects the angular velocity signal of the light source fixing seat 7 and sends it to the target motion turntable servo control board 10; the target motion turntable servo control board 10 and the isolation turntable servo control board 14 send the angular velocity signals of the seeker fixing seat 2 and the light source fixing seat 7 to the PC.

[0039] See also Figure 1 and Figure 2 , the test seeker 3 is installed on the seeker fixing seat 2 of the isolation turntable, the test seeker 3 and the laser light source 5 are powered on, and the laser irradiates the wall to appear the target point, and at this time, the command is issued to make the test seeker 3 capture; then the target motion turntable servo control board 10 and the isolation turntable servo control board 14 are powered on, and after power-on, the target motion turntable servo control board 10 and the isolation turntable servo control board 14 return to zero position at the same time, and the light source fixing seat 7 moves according to the fixed track program built in the target motion turntable servo control board 10, and the tracking bandwidth and other performances of the test seeker 3 are tested, and the feedback is sent to the computer for storage; then the seeker fixing seat 2 fixed with the test seeker 3 moves according to the fixed track program built in the isolation turntable servo control board 14, and the isolation performance of the test seeker 3 is tested, and the feedback is sent to the computer for storage. Then, the test seeker 3 is rotated 90° counterclockwise, and the pitch direction performance of the test seeker 3 is tested in the same way; finally, the performance index is processed and calculated on the computer, and the automatic test of the test seeker 3 can be completed.

Claims

1. A laser seeker rapid automated testing system, characterized in that: The invention comprises a first brushless DC motor with an encoder (9) and a second brushless DC motor with an encoder (11), wherein the first brushless DC motor with an encoder (9) is connected to a light source fixing seat (7), a target motion turntable gyro (4) is arranged on the light source fixing seat (7), a laser light source (5) is arranged on the target motion turntable gyro (4), the second brushless DC motor with an encoder (11) is connected to a seeker fixing seat (2), an isolation turntable gyro (13) is arranged on the seeker fixing seat (2), the seeker fixing seat (2) is used to fix the seeker (3) to be tested, the first brushless DC motor with an encoder (9) and the target motion turntable gyro (4) are both connected to a target motion turntable servo control board (10), the second brushless DC motor with an encoder (11) and the isolation turntable gyro (13) are both connected to an isolation turntable servo control board (14), the target motion turntable servo control board (10) and the isolation turntable servo control board (14) are both connected to a PC, and the PC is connected to the laser light source (5); The PC is used to obtain data of the first brushless DC motor with encoder (9), the second brushless DC motor with encoder (11), the target motion turntable gyroscope (4) and the isolation turntable gyroscope (13) in real time, and to control the laser light source (5); The target motion turntable servo control board (10) and the isolation turntable servo control board (14) are both fixed on the horizontal base (1); The laser light source (5), the target motion turntable servo control board (10), the isolation turntable servo control board (14) and the tested seeker (3) are all connected to a power supply.

2. A laser seeker rapid automated testing system according to claim 1, characterized in that: The first brushless DC motor (9) with an encoder is arranged on a first motor fixing seat (8), and the first motor fixing seat (8) is fixed on a horizontal base (1).

3. A laser seeker rapid automated testing system according to claim 1, characterized in that: The second brushless DC motor (11) with an encoder is arranged on a second motor fixing seat (12), and the second motor fixing seat (12) is fixed on the horizontal base (1).

4. A laser seeker rapid automated testing system according to claim 1, characterized in that: The tested guide head (3) and the laser light source (5) are both directed toward the wall surface (6).

5. The working method of a laser seeker rapid automatic test system according to claim 1, characterized in that: The following steps are involved: S1, fixing the seeker head (3) to be tested on the seeker head fixing seat (2); S2, turning on the laser light source (5), the target motion turntable servo control board (10) controls the first brushless DC motor with encoder (9) to drive the light source fixing seat (7) to rotate, so that the laser of the laser light source (5) irradiates the target point on the wall, and the PC sends a capture command to the tested seeker (3); S3, the isolation turntable servo control board (14) controls the second brushless DC motor with encoder (11) to drive the tested seeker (3) to rotate, test the isolation performance of the tested seeker (3), and feed back to the PC for storage; S4, the tested seeker (3) is rotated counterclockwise by 90 degrees, the pitch direction performance of the tested seeker (3) is tested, and the test result is sent to the PC for processing and calculation of performance indicators, thereby completing the automated test of the tested seeker (3).

6. The working method of a laser seeker rapid automated testing system according to claim 5, characterized in that: The first brushless DC motor (9) with an encoder sends an angular position signal of the light source fixing seat (7) to the isolation turntable servo control board (14); The second brushless DC motor (11) with encoder sends the angular position signal of the seeker fixing seat (2) to the target motion turntable servo control board (10); The target motion turntable servo control board (10) and the isolation turntable servo control board (14) send angular position signals of the seeker fixing seat (2) and the light source fixing seat (7) to the PC.

7. The working method of a laser seeker rapid automatic test system according to claim 5, characterized in that: The isolation turntable gyro (13) collects the angular velocity signal of the seeker fixing seat (2) and sends it to the isolation turntable servo control board (14); The angular velocity signal of the light source fixing seat (7) collected by the target motion turntable gyro (4) is sent to the target motion turntable servo control board (10); The target motion turntable servo control board (10) and the isolation turntable servo control board (14) send angular velocity signals of the seeker fixing seat (2) and the light source fixing seat (7) to a PC.

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