CN107478450A - A kind of tracking accuracy detecting system with dynamic simulation target simulation function - Google Patents
A kind of tracking accuracy detecting system with dynamic simulation target simulation function Download PDFInfo
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- CN107478450A CN107478450A CN201610398214.8A CN201610398214A CN107478450A CN 107478450 A CN107478450 A CN 107478450A CN 201610398214 A CN201610398214 A CN 201610398214A CN 107478450 A CN107478450 A CN 107478450A
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- target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Abstract
It is used to provide emulation dynamic object the present invention relates to one kind, and pointing systematic tracking accuracy and target identification, the detecting system of capture ability can be detected, belongs to field of photodetection.The problem of can not providing simulation objectives for existing target and being unable to thoroughly evaluating pointing system complete machine ability of tracking, a kind of detecting system that high emulation dynamic analog target, the target identification of the tested pointing system of test, capture and ability of tracking can be provided for Photoelectric Tracking and Aiming System of invention, the invention can comprehensively evaluate that the overall performance of Photoelectric Tracking and Aiming System, accuracy of detection are high, real-time is good, dynamic object emulator height, good reliability, have a very strong practicality.
Description
Technical field
It is used to provide emulation dynamic object the present invention relates to one kind, and pointing systematic tracking accuracy and target can be detected
Identification, the detecting system of capture ability, belong to field of photodetection.
Background technology
Photoelectric Tracking and Aiming System is in target acquisition, target identification, precise guidance, fire control aiming, flight auxiliary and information countermeasure
Etc. there are huge potentiality in Military Application field.In addition to weapon, Photoelectric Tracking and Aiming System laser communication, astronomical observation,
The field such as aeroplane photography and shooting range measurment, which also all achieves, to be widely applied.With the development of modern science and technology, photoelectricity is captured
The requirement of Tracking and pointing system also more and more higher, Just because of this, the detection means of Photoelectric Tracking and Aiming System becomes particularly important.
Traditional dynamic target is the most frequently used detection device of the Photoelectric Tracking and Aiming instrument such as theodolite, and system is mainly by rotary shaft
System, turning arm, parallel light tube and plane mirror composition, an asterism target is provided for tested pointing instrument, can not be simulated
The appearance profile and athletic posture feature of true tracking target, and tracking accuracy can only be read by pointing instrument itself,
Testing result is not very objective, can not meet the high precision test requirement to Photoelectric Tracking and Aiming System(Bibliography:Zhang Ning, Shen
Hunan is weighed, and Yang Liang, Xie Mingming evaluate tracking performance [J] optical precision works of electro-optic theodolite using dynamic target harmonic characterisitic
Journey, 2010,06:1286-1294.).
For the above situation, this patent proposes a kind of collection high emulation target simulation, tracking accuracy detection and target
Identify the multi-functional tracking accuracy detecting systems in one such as capture ability evaluation.The system can simulate the outer of tracked target
The change of shape profile, spatial attitude and the target sizes caused by observed range changes, realize high emulation tracking target
Simulation.The tracking accuracy of tested pointing system can also be measured by auto-collimation optical detection apparatus simultaneously, can be to being detected photoelectricity
Track sight carries out the overall merit of system-level ability of tracking.
The content of the invention
In order to realize dynamic object simulation and the detection of pointing systematic tracking accuracy, the present invention devises a kind of with dynamic
The tracking accuracy detecting system of state simulation objectives analog functuion:
The system is mainly made up of seven parts, including:Main base 1, rotary axis system 2, system balance weight assembly 3, objective emission with
Detecting system 4, turning arm 5, plane mirror 6, touch system control box 7.
Wherein, objective emission includes with detecting system 4:Thin film transistor liquid crystal display screen 8, LED light source 9, Amici prism
10th, CCD camera 11, parallel light tube 12.
The system uses LED as optical system light source, and is mounted with thin film transistor (TFT) liquid at the focal plane of parallel light tube 12
Crystal display screen 8 shows Three Dimensional Dynamic Simulation target.Parallel light tube makes auto-collimation hot spot return to CCD camera 11 by Amici prism 10
On, the tracking accuracy for being detected pointing system is calculated according to the miss distance of hot spot.Plane mirror 6 can be by replacing bottom voussoir
Mode changes angle, adjusts the detection range of system attitude angle and the angle of pitch.
In order to meet the testing requirements of tested Photoelectric Tracking and Aiming System bore and tracking accuracy, system is 150mm using bore
The parallel light tube that focal length is 1500mm carries out the transmitting of simulated target and the reception of autocollimator beam, and beam divergence angle is less than 5 ",
Field of detection can reach 20 '.
In order to make the target that system is launched truer, this patent uses thin film transistor liquid crystal display screen 8 to be used as target
The focal plane of parallel light tube 12 is placed on, by showing dynamic objective image on LCD screen(Such as:Specify model
Aircraft, guided missile etc.), realize capture and tracking of the Photoelectric Tracking and Aiming System for specific range, specific objective.
The system uses close-loop control mode, and speed and position are detected by high-precision sensor, and by result
Single-chip microcomputer is fed back to, single-chip microcomputer is handled these data, and result carries out closed-loop control, energy as controlled quentity controlled variable to motor
Enough realize 0.1% Steady speed.The system by single-chip microcomputer, motor, driver and sensor group into.
Brief description of the drawings
Fig. 1 is system composition figure, including:Main base 1, rotary axis system 2, system balance weight assembly 3, objective emission and detection
System 4, turning arm 5, plane mirror 6, touch system control box 7.Wherein, objective emission includes with detecting system 4:Film
Transistor liquid crystal display screen 8, LED light source 9, Amici prism 10, CCD camera 11, parallel light tube 12.
Fig. 2 is that objective emission is schemed with detecting system composition, including:Thin film transistor liquid crystal display screen 8, LED light source 9, divide
Light prism 10, CCD camera 11, parallel light tube 12.
Fig. 3 is electric control subsystem block diagram.
Embodiment
1. before detection work starts, operator is configured by touch control panel to system.According to tested
The limit velocity and acceleration of pointing turntable, determine the rotary speed of system rotary axis system;Captured according to tested pointing turntable
The type of target, the parameters such as appearance profile, the athletic posture of system simulation target are set(Conventional simulation has been stored in control system
Target data).
2. installing small-sized plane speculum on tested pointing turntable, the normal for adjusting speculum makes itself and pointing optical system
The light shaft coaxle of system, a part for objective emission and the emergent light of detecting system 4 is returned by the reflection of the level crossing and put down
The focal plane of row light pipe 12, while converge in CCD camera 11, form auto-collimation light path.
3. during work, system turning arm 5 starts to rotate, the threedimensional model root shown on thin film transistor liquid crystal display screen 8
The real-time adjustment for carrying out posture and size according to setting, the maneuvering target of different distance different motion state is simulated, evaluate tested system
Identification and the capture ability united to highly emulated moving-target.
4. when tested pointing system is successfully captured and target is tracked, a part for the outgoing beam of parallel light tube 12
The focal plane of parallel light tube 12 will be reflected back by the speculum on pointing turntable, and CCD phases are converged at by Amici prism 10
On machine 11, auto-collimation detection hot spot is formed.
5. when tested pointing turntable tracking error is zero, the hot spot that CCD camera 11 detects should be located at field of view center.When
When tested pointing turntable tracking accuracy is not zero, hot spot deviates in the position of CCD camera 11, inclined by detecting hot spot in real time
Excentric distance can obtain the tracking accuracy of tested pointing turntable.
The present invention combines dynamic target and target simulator, forms a set of perfect multifunctional light
Electric system, the tracking target of a high emulation can be provided for Photoelectric Tracking and Aiming System, and test tested pointing system simultaneously
Target identification, capture and ability of tracking, it can comprehensively evaluate the performance of Photoelectric Tracking and Aiming System.Accuracy of detection of the present invention is high, real
When property is good, dynamic object emulator height, good reliability, has very strong practicality.
Claims (6)
1. a kind of tracking accuracy detecting system with dynamic simulation target simulation function, the system are mainly made up of seven parts,
Including:Main base(1), rotary axis system(2), system balance weight assembly(3), objective emission and detecting system(4), turning arm(5)、
Plane mirror(6), touch system control box(7);Wherein, objective emission and detecting system(4)Including:Thin film transistor (TFT) liquid
Crystal display screen(8), LED light source (9), Amici prism(10), CCD camera(11), parallel light tube(12).
2. tracking accuracy detecting system according to claim 1, it is characterised in that before detection work starts, this hair
It is bright can be according to the featured configuration turning arm of tested pointing equipment(5)The speed of rotation and the feature of simulated target;Simulated target
Feature include:The appearance profile of simulated target(Aircraft, naval vessels etc.), the attitudes vibration of simulated target, the distance of simulated target
Change(Target sizes)Deng.
3. tracking accuracy detecting system according to claim 2, it is characterised in that the mounting plane on tested pointing turntable
Speculum, make objective emission and detecting system(4)The reflection that a part for emergent light can pass through the level crossing returns to directional light
Pipe(12)Focal plane, while converge to CCD camera(11)Photosurface on, formed auto-collimation light path.
4. tracking accuracy detecting system according to claim 3, it is characterised in that work seasonal system turning arm(5)Open
Beginning is rotated, thin film transistor liquid crystal display screen(8)The threedimensional model of display carries out the real-time of posture and size according to setting
Adjustment, simulate the maneuvering target of different distance different motion state;Now, being detected pointing system can be carried out to the simulated target
Identification and capture, evaluate its identification and capture ability to maneuvering target.
5. tracking accuracy detecting system according to claim 4, it is characterised in that when tested pointing system successfully captures simultaneously
When being tracked to target, parallel light tube(12)A part for outgoing beam will be reflected back by the speculum on pointing turntable
Parallel light tube(12)Focal plane, and pass through Amici prism(10)Converge at CCD camera(11)On, form auto-collimation detection hot spot.
6. tracking accuracy detecting system according to claim 5, it is characterised in that when tested pointing turntable tracking error is
When zero, the detection light beam that turntable is reflected back is parallel with the light beam that system is sent, and the hot spot that camera detects should be located at CCD camera
(11)Field of view center;When tested pointing turntable tracking accuracy is not zero, light beam and CCD camera that turntable is reflected back(11)Receive
Certain angle is produced between optical axis, position of the hot spot on CCD is deviateed, by detecting the off-centered distance of hot spot in real time i.e.
The tracking accuracy of tested pointing turntable can be obtained.
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Cited By (11)
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CN108279576A (en) * | 2017-12-26 | 2018-07-13 | 湖北航天技术研究院总体设计所 | A kind of composite shaft target following emulation test system |
CN109084960A (en) * | 2018-07-03 | 2018-12-25 | 长春理工大学 | A kind of double parallel light pipe type pointing turntable pointing accuracy test macro and method |
CN109188952A (en) * | 2018-08-07 | 2019-01-11 | 中国人民解放军陆军工程大学 | A kind of weapon flight parameter acquisition device and method |
CN109186537A (en) * | 2018-09-20 | 2019-01-11 | 中国科学院西安光学精密机械研究所 | Electro-optic theodolite optical system variant test method and system |
CN110986902A (en) * | 2019-11-28 | 2020-04-10 | 扬州莱达光电技术有限公司 | Movable zenith instrument |
CN111811782A (en) * | 2020-08-05 | 2020-10-23 | 长春理工大学 | Detection device and method for space debris ranging imaging composite optical system |
CN113029198A (en) * | 2021-03-16 | 2021-06-25 | 西安应用光学研究所 | Calibrating device for tracking precision measuring instrument |
CN113108811A (en) * | 2021-04-08 | 2021-07-13 | 西安应用光学研究所 | Photoelectric turret tracking precision automatic analysis and calculation device |
CN114593725A (en) * | 2022-02-08 | 2022-06-07 | 中国电子科技集团公司第四十一研究所 | Tracking precision testing device and method for photoelectric tracker |
CN115388713A (en) * | 2022-08-22 | 2022-11-25 | 长春理工大学 | Multifunctional dynamic target detection system |
CN117011296A (en) * | 2023-10-07 | 2023-11-07 | 长春通视光电技术股份有限公司 | Method, equipment and storage medium for quickly detecting tracking precision of photoelectric pod |
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Cited By (15)
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CN108279576B (en) * | 2017-12-26 | 2021-09-28 | 湖北航天技术研究院总体设计所 | Compound axle target tracking simulation test system |
CN108279576A (en) * | 2017-12-26 | 2018-07-13 | 湖北航天技术研究院总体设计所 | A kind of composite shaft target following emulation test system |
CN109084960A (en) * | 2018-07-03 | 2018-12-25 | 长春理工大学 | A kind of double parallel light pipe type pointing turntable pointing accuracy test macro and method |
CN109188952A (en) * | 2018-08-07 | 2019-01-11 | 中国人民解放军陆军工程大学 | A kind of weapon flight parameter acquisition device and method |
CN109186537A (en) * | 2018-09-20 | 2019-01-11 | 中国科学院西安光学精密机械研究所 | Electro-optic theodolite optical system variant test method and system |
CN110986902B (en) * | 2019-11-28 | 2021-11-09 | 扬州莱达光电技术有限公司 | Movable zenith instrument |
CN110986902A (en) * | 2019-11-28 | 2020-04-10 | 扬州莱达光电技术有限公司 | Movable zenith instrument |
CN111811782A (en) * | 2020-08-05 | 2020-10-23 | 长春理工大学 | Detection device and method for space debris ranging imaging composite optical system |
CN113029198A (en) * | 2021-03-16 | 2021-06-25 | 西安应用光学研究所 | Calibrating device for tracking precision measuring instrument |
CN113029198B (en) * | 2021-03-16 | 2023-03-10 | 西安应用光学研究所 | Calibrating device for tracking precision measuring instrument |
CN113108811A (en) * | 2021-04-08 | 2021-07-13 | 西安应用光学研究所 | Photoelectric turret tracking precision automatic analysis and calculation device |
CN114593725A (en) * | 2022-02-08 | 2022-06-07 | 中国电子科技集团公司第四十一研究所 | Tracking precision testing device and method for photoelectric tracker |
CN114593725B (en) * | 2022-02-08 | 2023-12-01 | 中国电子科技集团公司第四十一研究所 | Tracking precision testing device and method for photoelectric tracker |
CN115388713A (en) * | 2022-08-22 | 2022-11-25 | 长春理工大学 | Multifunctional dynamic target detection system |
CN117011296A (en) * | 2023-10-07 | 2023-11-07 | 长春通视光电技术股份有限公司 | Method, equipment and storage medium for quickly detecting tracking precision of photoelectric pod |
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