CN110487120A - A kind of the laser system of defense and method of long distance illumination - Google Patents
A kind of the laser system of defense and method of long distance illumination Download PDFInfo
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- CN110487120A CN110487120A CN201910845930.XA CN201910845930A CN110487120A CN 110487120 A CN110487120 A CN 110487120A CN 201910845930 A CN201910845930 A CN 201910845930A CN 110487120 A CN110487120 A CN 110487120A
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- 238000005286 illumination Methods 0.000 title claims abstract description 38
- 230000007123 defense Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000000007 visual effect Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
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- 230000009977 dual effect Effects 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H13/00—Means of attack or defence not otherwise provided for
- F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
- F41H13/005—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H13/00—Means of attack or defence not otherwise provided for
- F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
- F41H13/005—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam
- F41H13/0062—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam causing structural damage to the target
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention relates to the laser systems of defense and method of a kind of long distance illumination, comprising: tracking rack, main laser emission system, lighting system, rough tracking detector, smart tracking system, focusing system and controller；Main laser adjusts emission system and on the one hand provides illumination by beam adjustment system transmitting divergencing laser for rough tracking, on the other hand realizes target lock-on and convergent beam strike；Invention proposes to carry out continuous variable focusing to main laser system, illuminates in the rough tracking stage to search space, increase rough tracking illumination energy, can realize more long-range detection or the search of bigger field range under the same conditions.When main laser emitted energy is 2-10 times of lighting system Laser emission energy, rough tracking limit detection distance is 1.3-1.8 times of single lighting system detection range.
Description
Technical field
The present invention relates to Beam Control technical fields in optical instrument, and in particular to a kind of laser defence of long distance illumination
System and method.
Background technique
Unmanned plane is the not manned aircraft using radio robot and the presetting apparatus provided for oneself manipulation.20th century
The nineties, western countries are fully recognized that effect of the unmanned plane in war, greatly develop nobody using various new technologies one after another
Machine.Nowadays, oneself warp of unmanned plane, which has, the multiple functions such as investigates, drops a bomb, interfering.With constantly gushing for dual-use unmanned plane
Existing, for national safety and Homeland Security demand, anti-unmanned plane consciousness is constantly promoted, and various countries are early, and oneself carries out grinding for this respect
Study carefully work.But unmanned plane is resisted using traditional means, not only success rate is low, but also it is also possible to face and crowd cause to be attached to over the ground
Damage, and laser defence is one of relatively effective means.
In laser system of defense, laser search operating distance square is directly proportional to target reflecting light power.Without certainly
Target can only be by the way that reflection of ambient light, target itself shines or heat radiation is scanned for and caught in the laser system of defense of illumination
It obtains, operating distance is short and rings vulnerable to environment shadow.With from the laser system of defense of illumination, target mainly passes through pair
The reflected light of illumination light is scanned for and is captured, in the case where illuminating light emission angle and certain detectivity, operating distance master
It to be determined by the power of illumination light.Height of the discovery and tracking of target to illumination laser power in existing laser defense technique
It relies on, lighting system need to be designed to that high power laser emits, and the cost of system is also added not only bad for system compact.
Such as patent " a kind of short-range laser system of defense " (201721280043.5), " a kind of unmanned plane low-altitude defence system "
(201710827342.4), " a kind of unmanned plane integrated campaign system and method " (201610361694.0), " UAV system laser
The anti-UAV system of weapon " (201811097389.0) is not mentioned actively all by the way of photodetection and tracking
The mode of illumination.It is mentioned in patent " a kind of strategic point system of defense based on high-precision dual wavelength light laser " and also uses dual wavelength
Light laser, but and be not used for illumination search but be used to warn.
Summary of the invention
Technology of the invention solves the problems, such as: overcoming the deficiencies of the prior art and provide a kind of laser defence of long distance illumination
System and method by the control to main transmitting laser and is adjusted in the realization two waveband laser lighting increase detection of rough tracking stage
Distance.
In a first aspect, the embodiment of the invention provides a kind of laser systems of defense of long distance illumination, comprising: tracing machine
Frame, main laser emission system, lighting system, rough tracking detector, smart tracking system, focusing system and controller；
Tracking rack is the carrying platform being electrically adjusted, and the main laser emission system direction of the launch, rough tracking detector are visited
It surveys direction and smart tracking system detection direction all changes with tracking rack direction and changed, without tracking target, by
Controller sends control signal and realizes that plan search path is scanned to tracking rack, in the case where there is tracking target conditions, by controlling
Device exports according to rough tracking detector signal calculating control signal and carries out target following to tracking rack；
Main laser emission system emits high-power laser beam, for target strike or rough tracking illumination, is executed by essence tracking
Device and tracking mill stand control exit direction, control outgoing time and emergent power by controller；
Main laser emission system emits 1-10kW high power single wavelength laser beam, illuminates for target strike or rough tracking,
By essence tracking actuator and tracking mill stand control exit direction, outgoing time and emergent power are controlled by controller；(what is Gao Gong
Rate please provide range)
Rough tracking detector responds main laser wave band and illumination light wave band light signal fed back, realizes 1-5 ° big visual field target
Detection is fed back with target position signal, detection accuracy about 30 " -5 ', feedback signal is determined by target position and tracking rack, is exported
Position signal is to controller for controlling tracking rack, rough tracking residual error about 30 " -5 '；
Sensor returns position in smart tracking system, the rough tracking detector received by controller and smart tracking system
It controls actuator in smart tracking system and eliminates rough tracking residual error, emit optical path altogether due to receiving, after the correction of smart tracking system, swash
Light emitting laser should can be accurately directed to target；
Lighting system illuminates searching sector, provides signal light for rough tracking detector and smart tracking system, illuminates
The laser emission angle of system is 1-5 ° of degree, and lighting system switch is controlled by controller, the Laser emission and main laser of lighting system
Emission system is different-waveband；
Focusing system controls focusing device by controller, and main laser emission system emits laser can be after focusing system
Continuously change main laser beam divergence angle in a certain range, main regulation light beam is used for target search at divergent state, and light beam is parallel
It is emitted or converges in target and hit for target；
Master controller controls lighting system, and controls hold respectively according to rough tracking detector, smart tracking system return path signal
Row device completes capture, locking and the focusing of target, while controlling illumination, capture, locking, Initiative Defense process.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating smart tracking system includes smart tracking transducer and essence tracking actuator；
The essence tracking transducer, for the search and position feedback to target in specified range, following range is 10 '-
20 ', smart tracking transducer and main laser emission system Shared aperture, the essence tracking transducer detection can not respond main laser wave band
Optical signal, signal determine that output position signal is used to controller by target position and tracking rack and essence tracking actuator state
In control essence tracking actuator；
The essence tracking actuator, which is controlled by controller by smart tracking transducer signal, carries out smart tracking to target,
With lock onto target, essence tracking actuator generally selects piezoelectric ceramics or voice coil motor, is inclined by control essence tracking actuator mirror surface
Tiltedly realize target following；
The control flow of the controller is as follows:
(1) when system works, it is first turned on laser illuminator, laser is divergent state, the angle of divergence and rough tracking detector view
Field is equal；
(2) main laser emission system original state is divergent state, and the angle of divergence and rough tracking detector field of view are equal；
(3) when in detection viewing field without target, tracking rack is scanned by planning path；
(4) when there is target in rough tracking detector field of view, substantially from rough tracking detector to controller feedback target
Position；
(5) controller control tracing machine rack carries out rough tracking to target；
(6) after rough tracking system carries out tenacious tracking, controller controls focusing system, and main laser transmitting light beam is continuous
It assembles, to enhance rough tracking sensor target energy echo；
(7) target enters smart tracking transducer, from smart tracking transducer to the exact position of controller feedback target；
(8) controller control essence tracking actuator carries out smart tracking to target；
(9) after target lock-on, controller controls focusing system and focuses on main laser transmitting light beam in target, carries out laser
Strike destroys.
Second aspect, the present invention also provides a kind of laser defence methods of long distance illumination, are accomplished by
(1) in the rough tracking stage of search, main laser emission system original state is divergent state, the angle of divergence and rough tracking
Detector field of view is equal, and main laser is different from laser illuminator wave band, and main laser emitted energy is about lighting system Laser emission energy
2-10 times of amount；
(2) rough tracking detector responds main laser emission band and laser illuminator wave band, same distance target echo simultaneously
Energy is 3-11 times of single lighting system energy echo, and limit detection distance is 1.3-1.8 times of single lighting system detection range；
(3) after rough tracking system carries out tenacious tracking, controller controls focusing system, and main laser transmitting light beam is continuous
It assembles, to enhance rough tracking sensor target energy echo, can further improve rough tracking detector signal-to-noise ratio.
(4) smart tracking transducer only responds laser illuminator wave band, prevents main laser emission system to smart tracking transducer
It influences and tracking is caused to be failed, make system lock target；
(5) after system lock target, controller controls focusing system and focuses on main laser transmitting light beam in target, can lead to
Backward energy maximum or spot size minimum are crossed to determine focusing accuracy.
The advantages of the present invention over the prior art are that: the laser system of defense of long distance illumination provided by the invention,
Emission system, rough tracking detector, smart tracking system and lighting system are adjusted using master controller, main laser and make whole system
Integration and automation, adjusting emission system using main laser is improved energy using rate；In existing laser defense technique
The discovery and tracking of target rely on the height of illumination laser power, and lighting system need to be designed to that high power laser emits, not only
It is unfavorable for the cost that system compact also adds system.Search coverage is illuminated in the rough tracking stage using main laser,
When requiring identical operating distance, laser illuminator power output can be reduced and be conducive to system compact, swashed in same illumination
Farther effective distance detection or the search of bigger field range can be achieved under the conditions of optical power.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of principle of the laser system of defense of long distance illumination provided by first embodiment of the invention and shows
It is intended to；
Fig. 2 shows a kind of ray machine systems of the laser system of defense of long distance illumination provided by first embodiment of the invention
System schematic diagram；
Fig. 3 shows a kind of laser system of defense workflow of long distance illumination provided by first embodiment of the invention
Figure；
Fig. 4 shows a kind of laser system of defense workflow of long distance illumination provided by second embodiment of the invention
Figure；
Main element symbol description:
1 tracking rack；2 main laser emission systems；3 lighting systems；4 rough tracking detectors；5 smart tracking systems；6 focusing systems
System；7 controllers；51 smart tracking transducers；52 essence tracking actuators；11 tracking rack carrying platforms；The transmitting of 22 main lasers receives
Optical system；33 lamp optical systems；44 rough tracking optical systems.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Middle attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the range of claimed invention, but is merely representative of selected reality of the invention
Apply example.Based on the embodiment of the present invention, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall within the protection scope of the present invention.
The discovery and tracking of target rely on the height of illumination laser power in existing laser defense technique, and lighting system needs
It is designed to that high power laser emits, the cost of system is also added not only bad for system compact.Using main laser slightly with
The track stage illuminates search coverage, and when requiring identical operating distance, it is advantageous can to reduce laser illuminator power output
In system compact, farther effective distance detection can be achieved under same laser illuminator power condition or bigger field range is searched
Rope.
As shown in Figure 1, the laser system of defense for the long distance illumination that the first embodiment of the invention provides specifically includes:
Track rack 1, main laser emission system 2, lighting system 3, rough tracking detector 4, smart tracking system 5, focusing system 6 and control
Device 7.
Tracking rack is the carrying platform being electrically adjusted, and the main laser emission system direction of the launch, rough tracking detector are visited
It surveys direction and smart tracking system detection direction all changes with tracking rack direction and changed, without tracking target, by
Controller sends control signal and realizes that plan search path is scanned to tracking rack, in the case where there is tracking target conditions, by controlling
Device exports according to rough tracking detector signal calculating control signal and carries out target following to tracking rack；
Main laser emission system emits high-power laser beam, for target strike or rough tracking illumination, is executed by essence tracking
Device and tracking mill stand control exit direction, control outgoing time and emergent power by controller；
Rough tracking detector responds main laser wave band and illumination light wave band light signal fed back, realizes 1-5 ° big visual field target
Detection is fed back with target position signal, and feedback signal determines that output position signal is to controller by target position and tracking rack
Rack is tracked for controlling；
Smart tracking system is used for target lock-on, eliminates rough tracking residual error, laser beam is enable accurately to beat in target；
Lighting system illuminates search space, provides signal light, Laser emission for rough tracking detector and smart tracking system
Angle is 1-5 ° of degree, and lighting system Laser emission and main laser emission system are different-waveband；
Focusing system can continuously change main laser beam divergence angle in a certain range, can main regulation light beam at divergent state
For target search, by light beam exiting parallel or it can converge in target and be used for target strike；
Master controller controls performer according to rough tracking detector, smart tracking system return path signal respectively and completes target
Capture and locking, while illumination, capture, locking, Initiative Defense process are controlled.
Further, the smart tracking system function in the embodiment of the present invention can specifically pass through smart tracking transducer 51, essence
It tracks actuator 52 and controller 7 implements.After target carries out smart 51 visual field of tracking transducer, essence tracking actuator 52 is logical
It crosses controller 7 and Closed loop track control is carried out by smart 51 return path signal of tracking transducer.Wherein, smart tracking transducer optical system with
Main laser emission system optical system altogether optical path, so target reflection main laser transmitting signal light should not be used as smart track reference.
Therefore smart tracking transducer 51 is not responding to main transmitting laser wavelength.
System opto-mechanical interface such as Fig. 2, system optics transmitting receive optical-mechanical system by tracking rack carrying platform 11, main laser
Emit receiving optics 22, lamp optical system 33, rough tracking optical system 44 to form:
The carrying platform that rack carrying platform 11 is entire optical system is tracked, while being used as the performer of rough tracking,
Usually select the two-dimentional performers such as electrical turntable and holder.
Main laser transmitting receiving optics 22 contains main laser emission system 1, focusing system 6 and smart tracking system 5
In opticator, main laser bore is greater than lamp optical system and rough tracking optical system to receive more light letters
Breath；
Rough tracking optical system 44 receives rough tracking signal light；
Lamp optical system 33 is designed as the optical emission system of diverging, and the angle of divergence is greater than or equal to rough tracking detector 4
Field of view of receiver.
Specific control flow, as shown in figure 3, key step:
(1) when system works, it is first turned on laser illuminator, laser is divergent state, the angle of divergence and rough tracking detector view
Field is equal；
(2) main laser emission system original state is divergent state, and the angle of divergence and rough tracking detector field of view are equal；It is main to swash
Light is different from laser illuminator wave band, and main laser emitted energy is about 2-10 times of lighting system Laser emission energy；Same distance
Target echo energy is 3-11 times of single lighting system energy echo, and limit detection distance is single lighting system detection range
1.3-1.8 again；
(3) when in detection viewing field without target, tracking rack is scanned by planning path；
(4) when there is target in rough tracking detector field of view, substantially from rough tracking detector to controller feedback target
Position；
(5) controller control tracing machine rack carries out rough tracking to target；
(6) after rough tracking system carries out tenacious tracking, controller controls focusing system, and main laser transmitting light beam is continuous
It assembles, to enhance rough tracking sensor target energy echo；Simultaneously target enter smart tracking transducer, from smart tracking transducer to
The exact position of controller feedback target；Controller control essence tracking actuator carries out smart tracking to target；
(7) after target lock-on, target is identified, as needed to smash, then controller controls focusing system for main laser
Transmitting light beam focuses in target, carries out laser hits or destruction.
In addition, photodetection mode has many advantages, such as that directive property is good, precision is high, the disadvantage is that visual field is small.The present invention also provides
Second of embodiment, system further include microwave radar.Workflow is as shown in Figure 4:
(1) when system works, it is first turned on laser illuminator, laser is divergent state, the angle of divergence and rough tracking detector view
Field is equal；
(2) main laser emission system original state is divergent state, and the angle of divergence and rough tracking detector field of view are equal；It is main to swash
Light is different from laser illuminator wave band, and main laser emitted energy is about 2-10 times of lighting system Laser emission energy；Same distance
Target echo energy is 3-11 times of single lighting system energy echo, and limit detection distance is single lighting system detection range
1.3-1.8 again；
(3) it is scanned in no target by microwave radar and searches target, microwave radar captures control tracking rack after target
Goal directed is subjected to rough tracking detector field of view.
(4) when there is target in rough tracking detector field of view, substantially from rough tracking detector to controller feedback target
Position；
(5) controller control tracing machine rack carries out rough tracking to target；
(6) after rough tracking system carries out tenacious tracking, controller controls focusing system, and main laser transmitting light beam is continuous
It assembles, to enhance rough tracking sensor target energy echo；Simultaneously target enter smart tracking transducer, from smart tracking transducer to
The exact position of controller feedback target；Controller control essence tracking actuator carries out smart tracking to target；
(7) after target lock-on, target is identified, as needed to smash, then controller controls focusing system for main laser
Transmitting light beam focuses in target, carries out laser hits or destruction.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention.Should all it cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. a kind of laser system of defense of long distance illumination characterized by comprising tracking rack, is shone at main laser emission system
Bright system, rough tracking detector, smart tracking system, focusing system and controller；
Track the carrying platform that rack is motorized adjustment, the main laser emission system direction of the launch, rough tracking detector detection direction
All change with tracking rack direction with smart tracking system detection direction；Without tracking target, is sent and controlled by controller
Signal processed realizes that plan search path is scanned to tracking rack；In the case where there is tracking target conditions, by controller according to rough tracking
Detector signal calculating control signal, which is exported, carries out target following to tracking rack；
Main laser emission system emits 1-10kW high power single wavelength laser beam, for target strike or rough tracking illumination, by essence
Actuator and tracking mill stand control exit direction are tracked, outgoing time and emergent power are controlled by controller；
Rough tracking detector responds main laser wave band and illumination light wave band light signal fed back, realizes 1-5 ° big visual field target acquisition
Fed back with target position signal, rough tracking detection accuracy 30 " -5 ', feedback signal is determined by target position and tracking rack, is exported
Position signal is to controller for controlling tracking rack；
Sensor returns position control in smart tracking system, the rough tracking detector received by controller and smart tracking system
Actuator eliminates rough tracking residual error in smart tracking system, emits optical path altogether due to receiving, after the correction of smart tracking system, laser hair
Target should can be accurately directed to by penetrating laser；
Lighting system illuminates searching sector, provides signal light, lighting system for rough tracking detector and smart tracking system
Laser emission angle be 1-5 ° of degree, lighting system switch is controlled by controller, and the Laser emission of lighting system and main laser emit
System is different-waveband；
Focusing system controls focusing device by controller, and main laser emission system emits laser after focusing system in certain model
Enclose interior continuous change main laser beam divergence angle, main regulation light beam is used for target search at divergent state, by light beam exiting parallel or
It converges in target and is hit for target；
Master controller controls lighting system, and controls actuator respectively according to rough tracking detector, smart tracking system return path signal
Part completes capture, locking and the focusing of target, while controlling illumination, capture, locking, Initiative Defense process.
2. the laser system of defense of long distance illumination according to claim 1, it is characterised in that: the essence tracking system packet
Containing smart tracking transducer and essence tracking actuator；
The essence tracking transducer, for the search and position feedback to target in specified range, following range is 10 ' -20 ',
Smart tracking transducer and main laser emission system Shared aperture, the essence tracking transducer detection can not respond main laser band of light letter
Number, signal determines that output position signal is to controller for controlling by target position and tracking rack and essence tracking actuator state
System essence tracking actuator；
The essence tracking actuator, which is controlled by controller by smart tracking transducer signal, carries out smart tracking to target, with lock
It sets the goal, essence tracking actuator generally selects piezoelectric ceramics or voice coil motor, real by control essence tracking actuator mirror surface inclination
Existing target following.
3. the laser system of defense of long distance illumination according to claim 1, it is characterised in that: the control of the controller
Process is as follows:
(1) when system works, it is first turned on laser illuminator, laser is divergent state, the angle of divergence and rough tracking detector field of view phase
Deng；
(2) main laser emission system original state is divergent state, and the angle of divergence and rough tracking detector field of view are equal；
(3) when in detection viewing field without target, tracking rack is scanned by planning path；
(4) when there is target in rough tracking detector field of view, from rough tracking detector to controller feedback target approximate location；
(5) controller control tracing machine rack carries out rough tracking to target；
(6) after rough tracking system carries out tenacious tracking, controller controls focusing system and constantly assembles main laser transmitting light beam,
To enhance rough tracking sensor target energy echo；
(7) target enters smart tracking transducer, from smart tracking transducer to the exact position of controller feedback target；
(8) controller control essence tracking actuator carries out smart tracking to target；
(9) after target lock-on, controller controls focusing system and focuses on main laser transmitting light beam in target, carries out laser hits
Or it destroys.
4. a kind of laser defence method of long distance illumination, which is characterized in that be accomplished by
(1) in the rough tracking stage of search, main laser emission system original state is divergent state, the angle of divergence and rough tracking detection
Device visual field is equal, and main laser is different from laser illuminator wave band, and main laser emitted energy is the 2- of lighting system Laser emission energy
10 times；
(2) rough tracking detector responds main laser emission band and laser illuminator wave band, same distance target echo energy simultaneously
It is 3-11 times of single lighting system energy echo, limit detection distance is 1.3-1.8 times of single lighting system detection range；
(3) after rough tracking system carries out tenacious tracking, controller controls focusing system and constantly assembles main laser transmitting light beam,
To enhance rough tracking sensor target energy echo, rough tracking detector signal-to-noise ratio is further increased；
(4) smart tracking transducer only responds laser illuminator wave band, prevents influence of the main laser emission system to smart tracking transducer
And tracking is caused to be failed, realize lock onto target；
(5) after lock onto target, controller controls focusing system and focuses on main laser transmitting light beam in target, passes through backward energy
Maximum or spot size minimum determines that focusing accuracy, then the focusing of feedback control focusing system realize target following and strike.
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| CN201910845930.XA CN110487120B (en) | 2019-09-09 | 2019-09-09 | Laser defense system and method for remote illumination |
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| CN201910845930.XA CN110487120B (en) | 2019-09-09 | 2019-09-09 | Laser defense system and method for remote illumination |
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| CN110487120B CN110487120B (en) | 2021-10-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115507697B (en) * | 2022-11-21 | 2023-02-10 | 长春理工大学 | High-energy laser device and method for high-precision laser beam monitoring and tracking |
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