CN111089608A - Seeker performance test system - Google Patents
Seeker performance test system Download PDFInfo
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- CN111089608A CN111089608A CN202010062630.7A CN202010062630A CN111089608A CN 111089608 A CN111089608 A CN 111089608A CN 202010062630 A CN202010062630 A CN 202010062630A CN 111089608 A CN111089608 A CN 111089608A
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- seeker
- servo
- servo turntable
- light source
- upper computer
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- 238000011056 performance test Methods 0.000 title claims description 13
- 238000012360 testing method Methods 0.000 claims abstract description 71
- 238000004088 simulation Methods 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Gyroscopes (AREA)
Abstract
According to the seeker performance testing system provided by the invention, simple target light sources, a common servo turntable, a gyroscope sensor, an upper computer and other components are organically combined together, and the testing precision of the testing platform is ensured through scientific design of the structures of all supporting components and a reasonable installation mode. Each test component has a corresponding mark, and can be conveniently and accurately installed at a determined position. The test platform is used for realizing the test of the relative performances of three degrees of freedom of the seeker by rotating the seeker and adjusting the corresponding positions of the support frame; the invention is simple and reliable, low in test cost and high in efficiency.
Description
Technical Field
The invention relates to the technical field of special test equipment, in particular to a seeker performance test system.
Background
At present, the small laser guided munitions have the advantages of small size, light weight, low combat implementation cost, high guidance precision and the like, are widely used in various bombs or missiles, are used as 'eyes' of various guided munitions, and the operational performance of the guided munitions can be directly influenced by the advantages and disadvantages of the functional performance of the small laser guided munitions, so that the small laser guided munitions are necessarily subjected to targeted tests before use to verify the working performance of the small laser guided munitions. The construction of a conventional seeker test platform is complex and expensive. The test operation is complex, the test efficiency is low, and the method is not suitable for high-efficiency test of mass products.
Disclosure of Invention
The invention aims to provide a performance test system for a seeker, and solves the problems of high cost and low efficiency in the construction of a performance test system for a seeker in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a seeker performance testing system which comprises a servo turntable and a simulation light source, wherein the servo turntable is arranged on the top of the servo turntable; when the signal output performance of the seeker is tested, the seeker and the servo rotary table are both arranged on the workbench; the simulation light source is arranged on the servo turntable and is arranged on the same horizontal plane with the axis of the seeker; when the isolation degree of the seeker is tested, the simulation light source and the servo rotary table are both arranged on the workbench; the seeker is arranged on the servo turntable and is arranged on the same horizontal plane with the axis of the simulation light source.
Preferably, the simulated light source is provided with a simulated light source energy attenuation sheet.
Preferably, when the signal output performance test of the seeker is carried out, the simulation light source is fixed on the servo turntable through the supporting plate of the plate-shaped structure.
Preferably, when the signal output performance test of the seeker is carried out, the seeker is installed on the workbench through the first support frame in the U-shaped structure.
Preferably, when conducting the seeker isolation test, the seeker is fixed on the servo rotary table through a second support frame, the second support frame is of an L-shaped structure, an arc-shaped groove is formed in the end portion of a vertical plate of the L-shaped structure, and one end of the seeker is fixed in the arc-shaped groove.
Preferably, when conducting the seeker isolation test, the simulation light source is installed on the workbench through the first support frame of the U-shaped structure.
Preferably, a gyroscope sensor is further arranged on the servo turntable and used for acquiring the angular rate of the servo turntable and transmitting acquired information to an upper computer of the servo turntable; and the upper computer of the servo turntable is used for filtering and integral calculating the received information to obtain the rotation angle of the servo turntable and further controlling the servo turntable.
Preferably, the gyroscope sensor is connected with the servo turntable upper computer through a CAN bus.
Preferably, a servo control box is arranged between the servo turntable and the servo turntable upper computer and is connected with the servo turntable upper computer through a serial port RS; and the servo control box is used for controlling the servo rotary table to automatically move according to the set angular speed and angle.
Preferably, the guide head is connected with a guide head upper computer through a CAN bus; the guide head upper computer is used for controlling the working state of the guide head and collecting the state quantity of the working state of the guide head.
Compared with the prior art, the invention has the beneficial effects that:
according to the seeker performance testing system provided by the invention, simple target light sources, a common servo turntable, a gyroscope sensor, an upper computer and other components are organically combined together, and the testing precision of the testing platform is ensured through scientific design of the structures of all supporting components and a reasonable installation mode. Each test component has a corresponding mark, and can be conveniently and accurately installed at a determined position. The test platform is used for realizing the related performance test of three degrees of freedom of the seeker by rotating the seeker and adjusting the corresponding position of the support frame. Compared with a professional seeker triaxial test platform, the method needs professional personnel to test. The invention is simple and reliable, low in test cost and high in efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a turntable servo mechanism according to the present invention;
FIG. 2 is a schematic structural diagram of a seeker signal output performance testing platform according to the present invention;
FIG. 3 is a top view of a seeker signal output performance test according to the present invention;
FIG. 4 is a schematic structural diagram of a seeker isolation performance testing platform according to the present invention;
FIG. 5 is a connection diagram between the servo motor and the seeker with an upper computer, respectively, according to the present invention;
FIG. 6 is a flow chart of a work involved with the present invention;
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the seeker performance testing system provided by the invention comprises a sensor support 1, a gyroscope sensor 2, a manual turntable knob 3, a first support frame 4, a support plate 6, a simulated light source energy attenuation sheet 7, a simulated light source 8, a second support frame 9, a servo turntable 10 and a turntable bottom plate 11, wherein the servo turntable 10 is installed on the turntable bottom plate 11, and the manual turntable knob 3 is installed on the turntable bottom plate 11.
The servo turntable 10 is of a hollow structure.
A worm and gear structure is arranged in the servo turntable 10 and used for realizing manual rotation of the servo turntable.
The servo turntable 10 is provided with a sensor support 1, and the gyroscope sensor 2 is arranged on the sensor support 1.
As shown in fig. 5, the gyro sensor 2 is connected with a servo turntable upper computer through a CAN bus; the gyroscope sensor 2 is used for acquiring the rotating angular speed of the servo turntable 10 and transmitting the acquired information to the servo turntable upper computer; and the upper computer of the servo turntable is used for filtering and integral calculating the received information to obtain the rotation angle of the servo turntable 10 so as to control the servo control box.
The servo turntable 10 is connected with a servo control box, and the servo control box is connected with a servo turntable upper computer through a serial port RS232 and used for realizing automatic movement of the servo turntable 10 according to a set angular speed and an angle.
The servo control box is used for setting the angle, the angular velocity and the angular acceleration of the movement of the rotary table and the frequency and the amplitude of sinusoidal movement (simple harmonic movement), so that the rotary table can move according to a required movement rule.
The seeker 5 is connected with a seeker upper computer through a CAN bus; the guide head upper computer is used for controlling the working state of the guide head and collecting the state quantity of the working state of the guide head.
When the signal output performance test of the seeker is carried out:
the supporting plate 6 is fixed on the servo turntable 10, and the simulation light source 8 is fixed on the supporting plate 6.
And the simulated light source 8 is provided with a simulated light source energy attenuation sheet 7.
The seeker 5 is arranged on the first support frame 4, and the first support frame 4 is fixed on the test platform.
The first support frame 4 is of a U-shaped structure, a support piece is arranged at the bottom of the U-shaped structure, an arc-shaped groove is formed in the support piece, and one end of the seeker 5 is fixed in the arc-shaped groove.
The axis of the seeker 5 and the axis of the simulation light source are arranged on the same horizontal plane.
When conducting the seeker isolation test, namely the performance of the seeker is tested when swinging at high frequency and small amplitude:
the seeker 5 is mounted on a second support frame 9, and the second support frame 9 is fixed on a servo turntable 10.
The second support frame 9 is of an L-shaped structure, an arc-shaped groove is formed in the end portion of a vertical plate of the L-shaped structure, and one end of the seeker 5 is fixed in the arc-shaped groove. Rectangular grooves are formed in the bottom of the transverse plate of the L-shaped structure, the sensor support 1 is placed, pressing is avoided through the structure, and adverse effects of friction on the precision of the gyroscope sensor 2 are avoided.
The simulation light source 8 is arranged on the first support frame 4, and the axis of the seeker 5 and the axis of the simulation light source are arranged on the same horizontal plane.
The first support frame 4, the second support frame 9 and the support plate 6 are all 3D printing pieces.
The working principle is as follows:
and (4) performing a seeker performance test, and testing the relevant performance of the checking seeker by simulating the relative motion between the seeker and the target. The specific test can be divided into that the seeker is still and the light source is simulated to move, as shown in fig. 2; the simulated light source was stationary and the seeker was moving as shown in FIG. 4.
As shown in fig. 6, the work flow of the present invention:
firstly, selecting a to-be-built seeker and a testing platform of a servo turntable according to testing contents, wherein the building process is as follows:
as shown in fig. 2, the upper computer controls the angular speed and angle of the movement of the servo turntable 10 to simulate the movement of the target relative to the seeker 5, so as to test and check the main indexes such as the polarity of the seeker, the tracking performance of the seeker, the frame angular range and the precision of the seeker, and the like.
As shown in the installation mode of FIG. 4, the upper computer controls the swinging angle and frequency of the servo turntable 10 to simulate the influence of different vibration conditions on the working state of the seeker 5, so as to test and verify the stability and the precision of the seeker 5 in working under extreme vibration conditions.
The test platform installation sequence shown in fig. 2 is:
(1) firstly, placing the servo turntable 10 on a workbench, fixing the position of the servo turntable 10, and connecting the servo turntable and an upper computer; the upper computer can normally communicate and control the turntable to move;
(2) installing a high-precision gyroscope sensor 2 on a sensor support 1 at the center of a servo turntable 10, ensuring that the axial direction of the gyroscope sensor 2 is consistent with the axial direction of the servo turntable 10 and is consistent with the rotation polarity of the servo turntable 10, as shown in fig. 1;
(3) the support plate 6 is mounted to a corresponding position of the servo turntable 10 and fixed by a bolt, and then the analog light source 8 is mounted to a corresponding position of the support plate 6 and fixed by a bolt. The installation can avoid the problems that the support plate 6 is deformed and the bolt is difficult to fasten due to the self weight of the simulated light source;
the supporting plate 6 is a thickened 3D printing piece with a special structure and has the advantages of light weight and high rigidity.
(4) The guiding head 5 is arranged on the first supporting frame 4 and fixed by a plurality of hexagon socket head cap bolts, then the position of the first supporting frame 4 is adjusted, and a proper placing position is selected and fixed on the workbench by bolts. The seeker 5 can rotate relative to the first support frame 4, and the pitching and heading relative motions of the seeker are simulated respectively by sequentially rotating 90 degrees.
According to the test platform shown in the figure 2, the platform can be simply and conveniently built according to a correct installation sequence, so that mutual collision of test parts in an installation process is avoided, and the surface of the glass shell of the guide head of a test product is protected to be smooth. And meanwhile, errors caused by improper installation are reduced.
The mounting sequence of the test platform of fig. 4 is:
(1) the servo rotary table 10 is placed on a workbench, the position of the servo rotary table 10 is fixed, the servo rotary table 10 and an upper computer are connected, and the upper computer can normally communicate and control the movement of the servo rotary table 10.
(2) Installing a high-precision gyroscope sensor 2 on a sensor support 1 at the center of a servo turntable 10, and ensuring that the axial direction of the gyroscope sensor 2 is consistent with the axial direction of the servo turntable 10 and is consistent with the rotation polarity of the servo turntable 10, as shown in fig. 1;
(3) the second support frame 9 is installed at the corresponding position of the servo turntable 10 and fixed through bolts, then the seeker is fixed on the second support frame 9 through a plurality of inner hexagonal bolts, the simulation light source 8 is placed on the first support frame 4, the position of the first support frame 4 is adjusted, and the optical axis centers are guaranteed to be located on the same horizontal plane and coincide.
According to the test platform shown in FIG. 4, the platform can be simply and conveniently built according to a correct installation sequence, so that mutual collision of test parts in an installation process is avoided, and the surface of the glass shell of the guide head of a test product is protected to be smooth. And meanwhile, errors caused by improper installation are reduced.
Next, the test was started: turning on the analog light source, simultaneously electrifying the seeker and the servo turntable, and enabling the seeker to be in a tracking state through the upper computer;
then, controlling the rotation phase difference angle of the servo turntable through an upper computer of the servo turntable;
then, judging whether the frame angle of the guide head returns to zero or not by the upper computer of the guide head;
secondly, electrifying the seeker, the servo turntable and the gyroscope sensor again, resetting the gyroscope sensor, and recording the test data again by the seeker;
and finally, testing according to the testing requirements.
The invention organically combines simple target light source, common servo turntable, gyroscope sensor, industrial personal computer and other components, each support component is a special 3D structure printing piece, and the test precision of the test platform is ensured by scientific structural design and reasonable installation mode. Each test component has a corresponding mark, and can be conveniently and accurately installed at a determined position. By rotating the seeker and adjusting the corresponding position of the support frame, the related performance test of three degrees of freedom of the seeker by using the same set of test platform is realized. Compared with a professional seeker triaxial test platform, the method needs professional personnel to test. The invention is simple and reliable, low in test cost and high in efficiency.
The invention organically combines simple target light source, common servo turntable, gyroscope sensor, industrial personal computer and other components, and can control corresponding components by one person operating software, thereby greatly improving the testing efficiency on the premise of achieving the testing purpose and being suitable for testing batch products.
Claims (10)
1. The seeker performance testing system is characterized by comprising a servo turntable (10) and a simulation light source (8); when the signal output performance of the seeker is tested, the seeker (5) and the servo rotary table (10) are both arranged on the workbench; the simulation light source (8) is arranged on the servo turntable (10) and is arranged on the same horizontal plane with the axis of the seeker (5); when the seeker isolation degree test is carried out, the simulation light source (8) and the servo turntable (10) are both arranged on the workbench; the seeker (5) is arranged on the servo turntable (10) and is arranged on the same horizontal plane with the axis of the simulation light source (8).
2. The seeker performance testing system of claim 1, wherein the simulated light source (8) is provided with simulated light source energy attenuation sheets (7).
3. The seeker performance testing system according to claim 1, characterized in that the analog light source (8) is fixed to the servo turntable (10) by a support plate (6) of a plate-like structure when performing signal output performance testing of the seeker.
4. The system for testing the performance of the seeker according to claim 1, characterized in that the seeker (5) is mounted on the workbench by means of a first support frame (4) of U-shaped configuration when performing a performance test of the signal output of the seeker.
5. The seeker performance testing system according to claim 1, wherein when conducting seeker isolation testing, the seeker (5) is fixed on the servo rotary table (10) through a second support frame (9), the second support frame (9) is of an L-shaped structure, an arc-shaped groove is formed in an end portion of a vertical plate of the L-shaped structure, and one end of the seeker (5) is fixed in the arc-shaped groove.
6. The seeker performance testing system of claim 1, wherein the simulated light source (8) is mounted on the bench by a first support (4) of a U-shaped configuration when conducting seeker isolation testing.
7. The seeker performance testing system according to claim 1, characterized in that a gyroscope sensor (2) is further arranged on the servo turntable (10), and the gyroscope sensor (2) is used for acquiring the angular rate of the servo turntable (10) and transmitting the acquired information to a servo turntable upper computer; and the upper computer of the servo turntable is used for filtering and integrating the received information to obtain the rotation angle of the servo turntable (10) so as to control the servo turntable (10).
8. The seeker performance testing system according to claim 7, characterized in that the gyro sensor (2) is connected to the servo turntable upper computer through a CAN bus.
9. The seeker performance testing system of claim 1, wherein a servo control box is arranged between the servo turntable (10) and the servo turntable upper computer, and the servo control box is connected with the servo turntable upper computer through a serial port RS 232; the servo control box is used for controlling the servo rotary table (10) to automatically move according to the set angular speed and angle.
10. The seeker performance testing system according to claim 1, characterized in that the seeker (5) is connected with a seeker upper computer through a CAN bus; the guide head upper computer is used for controlling the working state of the guide head and collecting the state quantity of the working state of the guide head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062630.7A CN111089608B (en) | 2020-01-19 | 2020-01-19 | Seeker performance test system |
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| CN202010062630.7A CN111089608B (en) | 2020-01-19 | 2020-01-19 | Seeker performance test system |
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| CN111089608B CN111089608B (en) | 2024-07-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664750A (en) * | 2020-06-04 | 2020-09-15 | 九江精密测试技术研究所 | Multi-purpose vertical five-axis electric turntable |
| CN114234719A (en) * | 2021-12-31 | 2022-03-25 | 西安深瞳智控技术有限公司 | Laser seeker rapid automatic testing system and working method |
| CN114274111A (en) * | 2021-12-06 | 2022-04-05 | 河北汉光重工有限责任公司 | Seeker bears debugging workstation |
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| US6969025B1 (en) * | 1988-10-24 | 2005-11-29 | Mbda Uk Limited | Servo actuation systems |
| KR101305933B1 (en) * | 2013-05-28 | 2013-09-09 | 케이.엘.이.에스 주식회사 | Apparatus for testing performance of hydraulic shock absorber |
| CN111903206B (en) * | 2009-12-31 | 2014-02-05 | 江西洪都航空工业集团有限责任公司 | Method for testing performance of servo control system of seeker |
| CN105953656A (en) * | 2016-05-04 | 2016-09-21 | 北京航天易联科技发展有限公司 | Method for testing performance of seeker |
| CN107218859A (en) * | 2017-06-05 | 2017-09-29 | 上海航天控制技术研究所 | A kind of method of testing and system for realizing the full performance automatic test of target seeker |
| CN211234453U (en) * | 2020-01-19 | 2020-08-11 | 西安深瞳智控技术有限公司 | Seeker performance testing device |
-
2020
- 2020-01-19 CN CN202010062630.7A patent/CN111089608B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6969025B1 (en) * | 1988-10-24 | 2005-11-29 | Mbda Uk Limited | Servo actuation systems |
| CN111903206B (en) * | 2009-12-31 | 2014-02-05 | 江西洪都航空工业集团有限责任公司 | Method for testing performance of servo control system of seeker |
| KR101305933B1 (en) * | 2013-05-28 | 2013-09-09 | 케이.엘.이.에스 주식회사 | Apparatus for testing performance of hydraulic shock absorber |
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| CN211234453U (en) * | 2020-01-19 | 2020-08-11 | 西安深瞳智控技术有限公司 | Seeker performance testing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664750A (en) * | 2020-06-04 | 2020-09-15 | 九江精密测试技术研究所 | Multi-purpose vertical five-axis electric turntable |
| CN114274111A (en) * | 2021-12-06 | 2022-04-05 | 河北汉光重工有限责任公司 | Seeker bears debugging workstation |
| CN114234719A (en) * | 2021-12-31 | 2022-03-25 | 西安深瞳智控技术有限公司 | Laser seeker rapid automatic testing system and working method |
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| CN111089608B (en) | 2024-07-16 |
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