CN115268509A - Photoelectric tracking system of vehicle-mounted two-shaft four-frame photoelectric turntable - Google Patents
Photoelectric tracking system of vehicle-mounted two-shaft four-frame photoelectric turntable Download PDFInfo
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- CN115268509A CN115268509A CN202210890343.4A CN202210890343A CN115268509A CN 115268509 A CN115268509 A CN 115268509A CN 202210890343 A CN202210890343 A CN 202210890343A CN 115268509 A CN115268509 A CN 115268509A
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Abstract
The invention relates to the technical field of photoelectric tracking, in particular to a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable. According to the invention, the calibration module sends out the calibration instruction through the offset data, the correction instruction is transmitted to the servo control module through the central processing unit, the servo control module controls the rotary table unit to rotate, the rotary table unit drives the laser tracking unit to rotate, the deviation between the laser tracking unit and the target object is rapidly eliminated, and the tracking precision is improved.
Description
Technical Field
The invention relates to the technical field of photoelectric tracking, in particular to a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable.
Background
The photoelectric tracking system is a system device integrating optics, electricity, machinery, control and signal processing into a whole and integrating highly, and uses a photoelectric detector element as a sensitive element and electromechanical control to keep the visual axis of the detector stable, so that the tracking device can stably capture, track and aim a target. When the existing photoelectric tracking system tracks a target object, offset is generated between the target object and the photoelectric tracking system after the target object moves, the position of the photoelectric tracking system cannot be adjusted quickly according to the movement of the target object, and the offset cannot be eliminated in time.
Disclosure of Invention
The invention aims to solve the defects that the position of a photoelectric tracking system can not be adjusted quickly according to the movement of a target object and the offset can not be eliminated in time in the prior art, and provides a photoelectric tracking system of a vehicle-mounted two-shaft four-frame photoelectric turntable.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable, which comprises a central processing unit, a servo control module, a turntable unit, a coding module, a laser tracking unit, a data acquisition module, an offset calculation unit, a calibration module and a network interface communication module, wherein:
the central processing unit is in signal connection with the servo control module, the servo control module is in signal connection with the rotary table unit, the rotary table unit is in signal connection with the laser tracking unit, the laser tracking unit is in signal connection with the data acquisition module, the data acquisition module is in signal connection with the offset calculation unit, the offset calculation unit is in signal connection with the calibration module, the calibration module is in signal connection with the central processing unit, the central processing unit is in signal connection with the network interface communication module, the laser tracking unit performs laser tracking on a target object, the data acquisition module acquires tracking data of the laser tracking unit, the acquired data is calculated through the offset calculation unit to obtain an offset between the laser tracking unit and the target object, the offset data enters the calibration module, the calibration module sends out a calibration instruction through the offset data, the correction instruction is transmitted to the servo control module through the central processing unit, the servo control module controls the rotary table unit to rotate, the rotary table unit drives the laser tracking unit to rotate, deviation between the laser tracking unit and the target object is eliminated, and tracking precision is improved.
Preferably, the central processing unit is connected with a display module through a signal, and the display module is provided with a plurality of display areas for displaying different data.
Preferably, the turntable unit is connected with a coding module through a signal, and the coding module detects the rotation angle of the turntable unit.
Preferably, the turntable unit comprises a control module, a driving module and a rotating module, the control module is in signal connection with the servo control module, the control module is in signal connection with the driving module, the driving module is in driving connection with the rotating module, and the rotating module is connected with the laser tracking unit.
Preferably, the laser tracking unit comprises a first processor, a first storage module, an image processing unit, a high-precision camera module, an infrared detection module, a laser ranging module and a return module, the first processor is in signal connection with the turntable unit, the first processor is in signal connection with the first storage module, the first processor is in signal connection with the image processing unit, the image processing unit is in signal connection with the high-precision camera module, the first processor is in signal connection with the infrared detection module, the first processor is in signal connection with the laser ranging module, the first processor is in signal connection with the return module, and the return module is in signal connection with the data acquisition module.
Preferably, the image processing unit includes a third processor, an extraction module, a third storage module, a map recognition module and a calculation module, the third processor is in signal connection with the first processor, the third processor is in signal connection with the extraction module, the extraction module is in signal connection with the high-precision camera module, the third processor is in signal connection with the third storage module, the third processor is in signal connection with the map recognition module, and the third processor is in signal connection with the calculation module.
Preferably, the offset calculation unit includes a second processor, a second storage module, a receiving module, an algorithm module, and a deletion module, the second processor is in signal connection with the calibration module, the second processor is in signal connection with the second storage module, the second processor is in signal connection with the receiving module, the receiving module is in signal connection with the data acquisition module, the second processor is in signal connection with the algorithm module, and the second processor is in signal connection with the deletion module.
The photoelectric tracking system of the vehicle-mounted two-shaft four-frame photoelectric turntable has the beneficial effects that:
the calibration module sends out a calibration instruction through the offset data, the correction instruction is transmitted to the servo control module through the central processing unit, the servo control module controls the rotary table unit to rotate, the rotary table unit drives the laser tracking unit to rotate, deviation between the laser tracking unit and a target object is eliminated quickly, and tracking accuracy is improved.
Drawings
Fig. 1 is a system block diagram of a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable, which is provided by the invention;
FIG. 2 is a system block diagram of a turntable unit in a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable according to the present invention;
FIG. 3 is a system block diagram of a laser tracking unit in a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable, which is provided by the invention;
FIG. 4 is a system block diagram of an image processing unit in the photoelectric tracking system of the vehicle-mounted two-axis four-frame photoelectric turntable, according to the present invention;
fig. 5 is a system block diagram of an offset calculation unit in the photoelectric tracking system of the vehicle-mounted two-axis four-frame photoelectric turntable provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable comprises a central processing unit, a servo control module, a turntable unit, a coding module, a laser tracking unit, a data acquisition module, an offset calculation unit, a calibration module and a network interface communication module, wherein:
the central processing unit is in signal connection with a servo control module, the servo control module is used for controlling the rotation of the turntable unit, the servo control module is in signal connection with the turntable unit, the turntable unit is used for driving the laser tracking unit to rotate, the turntable unit is in signal connection with a coding module, the coding module is used for detecting the rotation angle of the turntable unit, the turntable unit is in signal connection with the laser tracking unit, the laser tracking unit is used for tracking a target object, the laser tracking unit is in signal connection with a data acquisition module, the data acquisition module is used for acquiring data on the laser tracking unit, the data acquisition module is in signal connection with an offset calculation unit, the offset calculation unit is used for performing offset calculation on the acquired data, the offset calculation unit is in signal connection with a calibration module, the calibration module is in signal connection with the central processing unit, the central processing unit is in signal connection with a network interface communication module, the network interface communication module is used for connecting an external information receiver, the central processing unit is in signal connection with a display module through signals, a plurality of display areas are arranged on the display module, different data are displayed, the laser tracking unit is used for performing laser tracking on the target object, and the tracking data of the laser tracking unit is acquired by the data acquisition module, the acquired data are calculated through the offset calculating unit, the offset between the laser tracking unit and the target object is obtained, the offset data enter the calibration module, the calibration module sends out a calibration instruction through the offset data, the correction instruction is transmitted to the servo control module through the central processing unit, the servo control module controls the rotary table unit to rotate, the rotary table unit drives the laser tracking unit to rotate, the deviation between the laser tracking unit and the target object is eliminated quickly, and the tracking precision is improved.
Example 2
Referring to fig. 1-5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the turntable unit includes a control module, a driving module and a rotating module, the control module is in signal connection with the servo control module, the control module is in signal connection with the driving module, the driving module is in driving connection with the rotating module, the rotating module is connected with the laser tracking unit, the servo control module starts the control module, the control module starts the driving module, the driving module drives the rotating module to rotate after starting, and the rotating module drives the laser tracking unit to rotate.
Example 3
Referring to fig. 1-5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the laser tracking unit includes a first processor, a first storage module, an image processing unit, a high-precision camera module, an infrared detection module, a laser ranging module and a backhaul module, the first processor is in signal connection with the turntable unit, the first processor is in signal connection with the first storage module, the first storage module is used for storing data received by the first processor, the first processor is in signal connection with the image processing unit, the image processing unit is used for processing picture information, the image processing unit is in signal connection with the high-precision camera module, the high-precision camera module is used for taking a picture of a target object and collecting picture information of the target object, the first processor is in signal connection with the infrared detection module, the infrared detection module is an infrared detector, the infrared detection module detects the target object, the first processor is in signal connection with the laser ranging module, the laser ranging module is a laser ranging module, the laser ranging module is used for detecting a distance between the target object and the laser ranging module, the first processor is in signal connection with the backhaul module, the collected data is used for transmitting the collected data to the laser ranging module, the image information in the detection module, the detection module is used for detecting a distance between the target object, the image detection module and the image detection module;
the image processing unit comprises a third processor, an extraction module, a third storage module, an image recognition module and a calculation module, the third processor is in signal connection with the first processor, the third processor is in signal connection with the extraction module, the extraction module is used for extracting picture information in the high-precision camera module, the extraction module is in signal connection with the high-precision camera module, the third processor is in signal connection with the third storage module, the third storage module is used for storing the extracted picture information, the third processor is in signal connection with the image recognition module, the image recognition module is used for recognizing the extracted picture, the third processor is in signal connection with the calculation module, the calculation module calculates distance information on the picture, the third processor controls the extraction module to extract the picture information in the high-precision camera module, the image recognition module recognizes the extracted picture, and the calculation module calculates the distance information on the picture after picture recognition.
Example 4
Referring to fig. 1-5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the offset calculating unit includes a second processor, a second storage module, a receiving module, an algorithm module and a deleting module, the second processor is in signal connection with the calibrating module, the second processor is in signal connection with the second storage module, the second storage module is used for storing data received by the second processor, the second processor is in signal connection with the receiving module, the receiving module is in signal connection with the data acquiring module, the second processor is in signal connection with the algorithm module, the algorithm module stores an equation used for calculation, the second processor is in signal connection with the deleting module, the deleting module is used for deleting data in the second storage module, the receiving module receives data transmitted by the data acquiring module, and the equation in the algorithm module calculates input data to calculate the offset between the laser tracking unit and the target object.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a photoelectric tracking system of four frame photoelectricity revolving stages of on-vehicle diaxon which characterized in that, includes central processing unit, servo control module, revolving stage unit, coding module, laser tracking unit, data acquisition module, offset computational element, calibration module and network interface communication module, wherein:
the central processing unit is in signal connection with the servo control module, the servo control module is in signal connection with the rotary table unit, the rotary table unit is in signal connection with the laser tracking unit, the laser tracking unit is in signal connection with the data acquisition module, the data acquisition module is in signal connection with the offset calculation unit, the offset calculation unit is in signal connection with the calibration module, the calibration module is in signal connection with the central processing unit, the central processing unit is in signal connection with the network interface communication module, the laser tracking unit performs laser tracking on a target object, the data acquisition module acquires tracking data of the laser tracking unit, the acquired data is calculated through the offset calculation unit to obtain an offset between the laser tracking unit and the target object, the offset data enters the calibration module, the calibration module sends out a calibration instruction through the offset data, the correction instruction is transmitted to the servo control module through the central processing unit, the servo control module controls the rotary table unit to rotate, the rotary table unit drives the laser tracking unit to rotate, deviation between the laser tracking unit and the target object is eliminated, and tracking precision is improved.
2. The photoelectric tracking system of the on-vehicle two-axis four-frame photoelectric turntable of claim 1, wherein the central processing unit is connected with a display module through a signal, and the display module is provided with a plurality of display areas for displaying different data.
3. The photoelectric tracking system of the vehicle-mounted two-axis four-frame photoelectric turntable as claimed in claim 1, wherein the turntable unit is connected with a coding module through a signal, and the coding module detects a rotation angle of the turntable unit.
4. The photoelectric tracking system of the on-vehicle two-axis four-frame photoelectric turntable of claim 3, wherein the turntable unit comprises a control module, a driving module and a rotating module, the control module is in signal connection with the servo control module, the control module is in signal connection with the driving module, the driving module is in driving connection with the rotating module, and the rotating module is connected with the laser tracking unit.
5. The photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable, according to claim 1, wherein the laser tracking unit comprises a first processor, a first storage module, an image processing unit, a high-precision camera module, an infrared detection module, a laser ranging module and a return module, the first processor is in signal connection with the turntable unit, the first processor is in signal connection with the first storage module, the first processor is in signal connection with the image processing unit, the image processing unit is in signal connection with the high-precision camera module, the first processor is in signal connection with the infrared detection module, the first processor is in signal connection with the laser ranging module, the first processor is in signal connection with the return module, and the return module is in signal connection with a data acquisition module.
6. The photoelectric tracking system of an on-vehicle two-axis four-frame photoelectric turntable of claim 5, wherein the image processing unit comprises a third processor, an extraction module, a third storage module, a map recognition module and a calculation module, the third processor is in signal connection with the first processor, the third processor is in signal connection with the extraction module, the extraction module is in signal connection with the high-precision camera module, the third processor is in signal connection with the third storage module, the third processor is in signal connection with the map recognition module, and the third processor is in signal connection with the calculation module.
7. The photoelectric tracking system of a vehicle-mounted two-axis four-frame photoelectric turntable of claim 1, wherein the offset calculation unit comprises a second processor, a second storage module, a receiving module, an algorithm module and a deletion module, the second processor is in signal connection with the calibration module, the second processor is in signal connection with the second storage module, the second processor is in signal connection with the receiving module, the receiving module is in signal connection with the data acquisition module, the second processor is in signal connection with the algorithm module, and the second processor is in signal connection with the deletion module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210890343.4A CN115268509A (en) | 2022-07-27 | 2022-07-27 | Photoelectric tracking system of vehicle-mounted two-shaft four-frame photoelectric turntable |
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| CN202210890343.4A CN115268509A (en) | 2022-07-27 | 2022-07-27 | Photoelectric tracking system of vehicle-mounted two-shaft four-frame photoelectric turntable |
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| CN111338391A (en) * | 2020-05-19 | 2020-06-26 | 北京中星时代科技有限公司 | Two-axis four-frame photoelectric turntable control system |
| CN111487998A (en) * | 2020-04-13 | 2020-08-04 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Automatic target capturing method and device for two-axis four-frame photoelectric tracking equipment |
| CN113241974A (en) * | 2021-06-09 | 2021-08-10 | 广州科易光电技术有限公司 | Photoelectric pod and photoelectric pod control method |
-
2022
- 2022-07-27 CN CN202210890343.4A patent/CN115268509A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135777A (en) * | 2010-12-14 | 2011-07-27 | 天津理工大学 | Vehicle-mounted infrared tracking system |
| CN102621998A (en) * | 2012-04-20 | 2012-08-01 | 深圳市元创兴科技有限公司 | Photoelectric tracking system and method |
| CN104635746A (en) * | 2013-11-14 | 2015-05-20 | 北京环境特性研究所 | Servo control method and system of two-axis four-frame optoelectronic pod |
| CN204302809U (en) * | 2014-12-10 | 2015-04-29 | 武汉巨合科技有限公司 | Three photosynthetic long-range photoelectric search tracking systems |
| CN111487998A (en) * | 2020-04-13 | 2020-08-04 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Automatic target capturing method and device for two-axis four-frame photoelectric tracking equipment |
| CN111338391A (en) * | 2020-05-19 | 2020-06-26 | 北京中星时代科技有限公司 | Two-axis four-frame photoelectric turntable control system |
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