CN104501736A - Machine vision automatic tracking control system based on laser source motion - Google Patents
Machine vision automatic tracking control system based on laser source motion Download PDFInfo
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- CN104501736A CN104501736A CN201410820570.5A CN201410820570A CN104501736A CN 104501736 A CN104501736 A CN 104501736A CN 201410820570 A CN201410820570 A CN 201410820570A CN 104501736 A CN104501736 A CN 104501736A
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Abstract
The invention discloses a machine vision automatic tracking control system based on laser source motion. The machine vision automatic tracking control system comprises a primary controller, a to-be-measured sample, an image processing system and a laser source automatic tracking system, wherein the primary controller is arranged in a control center, a to-be-measured area A is arranged on the to-be-measured sample; the image processing system comprises a CCD (charge coupled device) image capturing sensor, a first sub controller and an image storage device for storing information which is captured by the CCD image capturing sensor, the image storage device is connected with the first sub controller; the laser source automatic tracking system comprises a reflecting prism, a laser device, a second sub controller and a motion mechanism for driving the laser device to move, wherein the motion mechanism is connected with the second sub controller; laser rays emitted by the laser device are sent out to the reflecting prism, the laser rays are reflected on the reflecting prism and are reflected to the to-be-measured sample to form a labeled zone B. the machine vision automatic tracking control system is simple in structure and can be used for realizing non-contact measuring under a high-temperature environment.
Description
Technical field
The present invention relates to machine vision tracking technique field, particularly relate to a kind of machine vision automatic following control system based on lasing light emitter motion.
Background technology
Along with the progress and development of modern society, the kind of construction material its application that becomes increasingly abundant also constantly expands.In order to produce with scientific research in predict the parameters such as the mechanical property of material fast and accurately, then the performance of testing of materials instrument is had higher requirement.Stress-strain measurement is one of most basic link during physical characteristics of materials detects, and usually adopts the survey instrument-extensometer of specialty, to the measurement carrying out transverse direction, linear deformation while test specimen imposed load.Its method can be divided into two large classes and contact type measurement and non-contact measurement.
In contact type measurement, contact extensometer can record the emergent property of rigid material, so is but difficult to record to the emergent property of fiber, film, foam or soft plastic material and small test specimen.In addition, contact extensometer can not predict the material property of super large range of strain to fracture; Under some hot environments, special occasions, its application is also restricted.Therefore, a kind of method of seeking non-contact measurement is extremely urgent.
Summary of the invention
In order to solve the technical matters existed in background technology, the present invention proposes a kind of machine vision automatic following control system based on lasing light emitter motion, structure is simple, achieves non-contact measurement in high temperature environments.
A kind of machine vision automatic following control system based on lasing light emitter motion that the present invention proposes, comprises master controller, sample to be tested, image processing system and lasing light emitter automatic tracking system, master controller is arranged in control center, sample to be tested is provided with region A to be detected, image processing system comprises ccd image pick-up transducers, the first sub-controller and stores the image memory device of ccd image pick-up transducers Information Monitoring, and image memory device connects with the first sub-controller, lasing light emitter automatic tracking system comprises the motion of reflecting prism, laser instrument, the second sub-controller and drive laser motion, and motion connects with the second sub-controller, laser instrument sends laser beam and penetrates on reflecting prism, and laser beam occurs to reflect and reflexes on sample to be tested and forms marked region B on reflecting prism, first sub-controller, second sub-controller all connects with master controller, ccd image pick-up transducers gathers region A to be detected on sample to be tested, the positional information of marked region B is also stored in image memory device, ccd image pick-up transducers is gathered region A to be detected on sample to be tested by image memory device, the positional information of marked region B is transferred to the first sub-controller, and be transferred to master controller by the first sub-controller, master controller and the second sub-controller communication, the drive laser motion of second sub-controller controlled motion mechanism makes the marked region B on sample to be tested overlapping with region A to be detected.
Preferably, the first sub-controller, the second sub-controller are connected with master controller respectively by the first communication module, the second communication module.
Preferably, the first communication module, the second communication module all adopt RS-connection.
Preferably, motion comprises the first motion and the second motion, and the direction of motion of the first motion is vertical with the direction of motion of the second motion.
Preferably, the first motion drive laser rotates at preset direction, and the second motion drive laser moves up and down at vertical preset direction.
Preferably, be provided with incident graticule between laser instrument and reflecting prism, incident graticule is provided with the light hole gap regulating device regulating its light hole size.
Preferably, light hole gap regulating device comprises the baffle plate blocking light hole, and the manual regulating device of controllable register movement on incident graticule.
A kind of machine vision automatic following control system based on lasing light emitter motion provided by the invention, adopt laser instrument to occur to reflect on reflecting prism and reflex on sample to be tested and form marked region B, ccd image pick-up transducers gathers region A to be detected on sample to be tested, the positional information of marked region B is also stored in image memory device, ccd image pick-up transducers is gathered region A to be detected on sample to be tested by image memory device, the positional information of marked region B is transferred to the first sub-controller, and be transferred to master controller by the first sub-controller, master controller and the second sub-controller communication, the drive laser motion of second sub-controller controlled motion mechanism makes the marked region B on sample to be tested overlapping with region A to be detected.It is overlapping with region A to be detected that the present invention realizes marked region B by laser movement, realizes the non-contact measurement under hot environment, special occasions; The motion of drive laser motion comprises the first motion and the second motion, first motion drive laser rotates at preset direction, second motion drive laser moves up and down at vertical preset direction, do rectilinear motion in the planar direction that such laser instrument is reflected in the marked region B of sample to be tested and move to A place, region to be detected, realizing real-time follow-up.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of machine vision automatic following control system based on lasing light emitter motion that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of machine vision automatic following control system based on lasing light emitter motion that the present invention proposes.
With reference to Fig. 1, a kind of machine vision automatic following control system based on lasing light emitter motion that the present invention proposes, comprises master controller 11, sample to be tested 21, image processing system and lasing light emitter automatic tracking system, master controller 11 is arranged in control center, sample to be tested 21 is provided with region A to be detected, image processing system comprises ccd image pick-up transducers 31, first sub-controller 32 and stores the image memory device 33 of ccd image pick-up transducers 31 Information Monitoring, and image memory device 33 connects with the first sub-controller 31, lasing light emitter automatic tracking system comprises the motion 44 of reflecting prism 41, laser instrument 42, second sub-controller 43 and drive laser 42 motion, and motion 44 connects with the second sub-controller 43, laser instrument 42 sends laser beam and penetrates on reflecting prism 41, and laser beam occurs to reflect and reflex on sample to be tested 21 to form marked region B on reflecting prism 41, first sub-controller 32, second sub-controller 43 all connects with master controller 11, ccd image pick-up transducers 31 gathers region A to be detected on sample to be tested 21, the positional information of marked region B is also stored in image memory device 33, ccd image pick-up transducers 31 is gathered region A to be detected on sample to be tested 21 by image memory device 33, the positional information of marked region B is transferred to the first sub-controller 32, and be transferred to master controller 11 by the first sub-controller 32, master controller 11 and the second sub-controller 43 communication, drive laser 42 motion of second sub-controller 43 controlled motion mechanism 44 makes the marked region B on sample to be tested 21 overlapping with region A to be detected.
In the present invention, the first sub-controller 32, second sub-controller 43 is connected with master controller 11 respectively by the first communication module, the second communication module, and the first communication module, the second communication module all adopt RS-232 connection.
In the present invention, motion 44 comprises the first motion and the second motion, and the first motion drive laser rotates at preset direction, and the second motion drive laser moves up and down at vertical preset direction.Do rectilinear motion in the planar direction that such laser instrument 42 is reflected in the marked region B of sample to be tested 21 and move to A place, region to be detected, when the first sub-controller 32 records region A to be detected generation skew, second sub-controller 43 controlled motion mechanism 44 drive laser 42 is moved, and then the marked region B be reflected on sample to be tested 21 moves to A place, region to be detected, realizes real-time follow-up.In the present invention, the region A to be detected on sample to be tested 21 is emitted beam to be radiated on sample to be tested 21 by control center and is formed.
In a particular embodiment, be provided with incident graticule 45 between laser instrument 42 and reflecting prism 41, incident graticule 45 is provided with the light hole gap regulating device regulating its light hole size.Light hole gap regulating device comprises the baffle plate blocking light hole, and the manual regulating device of controllable register movement on incident graticule 45.Laser instrument is regulated to send the size of the marked region B of laser beam refraction on sample to be tested 21 by regulating the size of light hole on incident graticule 45.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1., based on a machine vision automatic following control system for lasing light emitter motion, it is characterized in that, comprise master controller (11), sample to be tested (21), image processing system and lasing light emitter automatic tracking system, master controller (11) is arranged in control center, sample to be tested (21) is provided with region A to be detected, image processing system comprises ccd image pick-up transducers (31), the first sub-controller (32) and stores the image memory device (33) of ccd image pick-up transducers (31) Information Monitoring, and image memory device (33) connects with the first sub-controller (31), lasing light emitter automatic tracking system comprises the motion (44) that reflecting prism (41), laser instrument (42), the second sub-controller (43) and drive laser (42) are moved, and motion (44) connects with the second sub-controller (43), laser instrument (42) sends laser beam and penetrates on reflecting prism (41), and laser beam reflects in the upper generation of reflecting prism (41) and reflexes to sample to be tested (21) upper formation marked region B, first sub-controller (32), the all same master controller (11) of second sub-controller (43) connects, ccd image pick-up transducers (31) gathers the upper region A to be detected of sample to be tested (21), the positional information of marked region B is also stored in image memory device (33), ccd image pick-up transducers (31) is gathered the upper region A to be detected of sample to be tested (21) by image memory device (33), the positional information of marked region B is transferred to the first sub-controller (32), and be transferred to master controller (11) by the first sub-controller (32), master controller (11) and the second sub-controller (43) communication, second sub-controller (43) controlled motion mechanism (44) drive laser (42) motion makes the marked region B on sample to be tested (21) overlapping with region A to be detected.
2. the machine vision automatic following control system based on lasing light emitter motion according to claim 1, it is characterized in that, the first sub-controller (32), the second sub-controller (43) are connected with master controller (11) respectively by the first communication module, the second communication module.
3. the machine vision automatic following control system based on lasing light emitter motion according to claim 2, it is characterized in that, the first communication module, the second communication module all adopt RS-232 connection.
4. the machine vision automatic following control system based on lasing light emitter motion according to claim 1, it is characterized in that, motion (44) comprises the first motion and the second motion, and the direction of motion of the first motion is vertical with the direction of motion of the second motion.
5. the machine vision automatic following control system based on lasing light emitter motion according to claim 4, it is characterized in that, first motion drive laser rotates at preset direction, and the second motion drive laser moves up and down at vertical preset direction.
6. the machine vision automatic following control system based on lasing light emitter motion according to claim 1, it is characterized in that, between laser instrument (42) and reflecting prism (41), be provided with incident graticule (45), incident graticule (45) is provided with the light hole gap regulating device regulating its light hole size.
7. the machine vision automatic following control system based on lasing light emitter motion according to claim 6, it is characterized in that, light hole gap regulating device comprises the baffle plate blocking light hole, and controllable register is at the manual regulating device of the upper movement of incident graticule (45).
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| CN201410820570.5A CN104501736A (en) | 2014-12-25 | 2014-12-25 | Machine vision automatic tracking control system based on laser source motion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513087A (en) * | 2016-03-03 | 2016-04-20 | 北京志光伯元科技有限公司 | Laser aiming and tracking equipment and method for controlling same |
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| CN101496533A (en) * | 2008-02-02 | 2009-08-05 | 北京志恒达科技有限公司 | Method for burning and carving body surface of livestock and poultry with laser beam |
| CN102261894A (en) * | 2011-07-14 | 2011-11-30 | 浙江理工大学 | Method and device for measuring material deformation based on automatic tracking of laser marks |
| CN103271784A (en) * | 2013-06-06 | 2013-09-04 | 山东科技大学 | Man-machine interactive manipulator control system and method based on binocular vision |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101496533A (en) * | 2008-02-02 | 2009-08-05 | 北京志恒达科技有限公司 | Method for burning and carving body surface of livestock and poultry with laser beam |
| CN102261894A (en) * | 2011-07-14 | 2011-11-30 | 浙江理工大学 | Method and device for measuring material deformation based on automatic tracking of laser marks |
| CN103271784A (en) * | 2013-06-06 | 2013-09-04 | 山东科技大学 | Man-machine interactive manipulator control system and method based on binocular vision |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105513087A (en) * | 2016-03-03 | 2016-04-20 | 北京志光伯元科技有限公司 | Laser aiming and tracking equipment and method for controlling same |
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