CN104281087A - Piezoelectric precise driving control system through machine vision technology - Google Patents
Piezoelectric precise driving control system through machine vision technology Download PDFInfo
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- CN104281087A CN104281087A CN201310267505.XA CN201310267505A CN104281087A CN 104281087 A CN104281087 A CN 104281087A CN 201310267505 A CN201310267505 A CN 201310267505A CN 104281087 A CN104281087 A CN 104281087A
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- Prior art keywords
- axis motor
- control system
- driving control
- motion controller
- dimensional motion
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
Abstract
The invention discloses a piezoelectric precise driving control system through machine vision technology, which comprises the components of: a computer control system, a three-dimensional motion controller, an X-axis motor, a Y-axis motor, a Z-axis motor, a piezoelectric driver, an operating platform, an image camera and an image acquisition card. The computer control system is connected with the three-dimensional motion controller through a serial port. The three-dimensional motion controller is connected with the X-axis motor, the Y-axis motor, the Z-axis motor and the piezoelectric driver respectively. The X-axis motor, the Y-axis motor, the Z-axis motor and the piezoelectric driver are respectively connected with the operating platform. The operating platform is connected with the image camera. The image camera is connected with the image acquisition card. The image acquisition card is further connected with the computer control system. The piezoelectric precise driving control system settles a problem of requiring a coarse displacement feeding with a relatively large stroke in precise machining, and furthermore satisfies a requirement for precise feeding at a machining end. The piezoelectric precise driving control system finishes a control process for precise machining positioning and feeding through combination of vision real-time monitoring and computer digital image processing technology.
Description
Technical field
The present invention relates to accurate control technique field, be specifically related to a kind of Precision Piezoelectric driving control system by machine vision technique.
Background technology
Precision actuation and control technology are one and the closely-related new and high technology of many production practices, and it is one of the basis and gordian technique of Disciplinary Frontiers in the modern manufacturing industries such as Precision Machining, precision optical machinery, semiconductive pieces manufacture, electronic product assembly line, bioengineering, micron and sub-nanometer technology.The development of modern science and technology, provides more and more higher requirement to precision actuation technology, requires that its positioning precision is high, fast response time, conversion efficiency are high, power density is large.Traditional precise-motion mechanism mainly adopts ball screw framework, static-pressure lead screw mechanism, linear electric motors, friction driving mechanisms etc. as power and motion conversion regime, owing to there is friction, gap, creep, the reason such as too many levels transmission, its kinematic accuracy and positioning precision are difficult to the requirement meeting modern precision Driving technique.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of Precision Piezoelectric driving control system by machine vision technique of energy precision actuation is provided.
Consider the problems referred to above of prior art, according to an aspect of the present invention, for solving above-mentioned technical matters, the present invention by the following technical solutions:
A kind of Precision Piezoelectric driving control system by machine vision technique, comprise computer control system, three-dimensional motion controller, X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator, operating platform, video camera and image pick-up card, described computer control system is connected with described three-dimensional motion controller by serial ports, described three-dimensional motion controller respectively with described X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator connects, described X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator is connected with described operating platform more respectively, described operating platform is connected with video camera, described video camera is connected with image pick-up card, described image pick-up card is connected with computer control system again.
In order to realize the present invention better, further technical scheme is:
According to one embodiment of present invention, described video camera is ccd video camera.
According to one embodiment of present invention, described three-dimensional motion controller is connected with described X-axis motor by X-axis motor Serial Port Line.
According to one embodiment of present invention, described three-dimensional motion controller is connected with described y-axis motor by y-axis motor Serial Port Line.
According to one embodiment of present invention, described three-dimensional motion controller is connected with described Z axis motor by Z axis motor Serial Port Line.
According to one embodiment of present invention, described computer control system is connected with described three-dimensional motion controller by RS-232 serial ports.
According to one embodiment of present invention, described three-dimensional motion controller comprises motor, shaft coupling, transverse bearing, leading screw, the first connector, worktable; The rotating shaft of described motor is connected with one end of described leading screw by described shaft coupling and transverse bearing, and described leading screw is connected with the first connector, and described first connector is connected with described worktable.
According to one embodiment of present invention, the other end of described leading screw is provided with screw.
The present invention can also be:
According to one embodiment of present invention, described worktable is connected with described piezoelectric actuator by the second connector.
Compared with prior art, one of beneficial effect of the present invention is:
Precision Piezoelectric driving control system by machine vision technique of the present invention, propose a kind of precision feeding device of being combined by thick displacement feeding mechanism and the Precision Piezoelectric driver of driving stepper motor leading screw and control technology, the feature advantage of stepper motor-screw mechanism on Long Distances and piezoelectric actuator with small accurate movement combines and realizes Precision Machining, both the thick displacement feeding of larger row journey had been required when solving Precision Machining, meet again the demand of processing end precision feeding, control system adopts vision to monitor in real time and combines with computer digit image processing technique, complete precision machined location and feeding control procedure.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technical scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows according to an embodiment of the invention by the structural representation of the Precision Piezoelectric driving control system of machine vision technique.
Fig. 2 shows according to an embodiment of the invention by the steering logic structural representation of the Precision Piezoelectric driving control system of machine vision technique.
Fig. 3 shows the structural representation of three-dimensional motion controller according to an embodiment of the invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
Fig. 1 shows according to an embodiment of the invention by the structural representation of the Precision Piezoelectric driving control system of machine vision technique.A kind of Precision Piezoelectric driving control system by machine vision technique as shown in Figure 1, comprise computer control system 101, three-dimensional motion controller 102, X-axis motor 103, y-axis motor 104, Z axis motor 105, piezoelectric actuator 106, operating platform 107, video camera 108 and image pick-up card 109, described computer control system 101 is connected with described three-dimensional motion controller 102 by serial ports, described three-dimensional motion controller 102 respectively with described X-axis motor 103, y-axis motor 104, Z axis motor 105, piezoelectric actuator 106 connects, described X-axis motor 103, y-axis motor 104, Z axis motor 105, piezoelectric actuator 106 is connected with described operating platform 107 more respectively, described operating platform 107 is connected with video camera 108, described video camera 108 is connected with image pick-up card 109, the image collected can input calculator memory, described image pick-up card 109 is connected with computer control system 101 again.
Wherein, described video camera 108 can be ccd video camera.
Described computer control system 101 is connected with described three-dimensional motion controller 102 by RS-232 serial ports.
Embodiment 2
Fig. 2 shows according to an embodiment of the invention by the steering logic structural representation of the Precision Piezoelectric driving control system of machine vision technique.A kind of Precision Piezoelectric driving control system by machine vision technique as shown in Figure 2, described three-dimensional motion controller is connected with described X-axis motor by X-axis motor Serial Port Line.Described three-dimensional motion controller is connected with described y-axis motor by y-axis motor Serial Port Line.Described three-dimensional motion controller is connected with described Z axis motor by Z axis motor Serial Port Line.
Embodiment 3
Fig. 3 shows the structural representation of three-dimensional motion controller according to an embodiment of the invention.A kind of Precision Piezoelectric driving control system by machine vision technique as shown in Figure 3, comprise three-dimensional motion controller 302, described three-dimensional motion controller 302 comprises motor 310, shaft coupling 311, transverse bearing 312, leading screw 313, first connector 314, worktable 315; The rotating shaft of described motor 310 is connected with one end of described leading screw 313 by described shaft coupling 311 and transverse bearing 312, and described leading screw 313 is connected with the first connector 314, and described first connector 314 is connected with described worktable 315.
Wherein, the other end of described leading screw 313 is also provided with screw 316.Described worktable 315 is connected with described piezoelectric actuator 318 by the second connector 317.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.
Claims (9)
1. the Precision Piezoelectric driving control system by machine vision technique, it is characterized in that, comprise computer control system, three-dimensional motion controller, X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator, operating platform, video camera and image pick-up card, described computer control system is connected with described three-dimensional motion controller by serial ports, described three-dimensional motion controller respectively with described X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator connects, described X-axis motor, y-axis motor, Z axis motor, piezoelectric actuator is connected with described operating platform more respectively, described operating platform is connected with video camera, described video camera is connected with image pick-up card, described image pick-up card is connected with computer control system again.
2. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, it is characterized in that, described video camera is ccd video camera.
3. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, is characterized in that, described three-dimensional motion controller is connected with described X-axis motor by X-axis motor Serial Port Line.
4. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, is characterized in that, described three-dimensional motion controller is connected with described y-axis motor by y-axis motor Serial Port Line.
5. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, is characterized in that, described three-dimensional motion controller is connected with described Z axis motor by Z axis motor Serial Port Line.
6. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, is characterized in that, described computer control system is connected with described three-dimensional motion controller by RS-232 serial ports.
7. the Precision Piezoelectric driving control system by machine vision technique according to claim 1, it is characterized in that, described three-dimensional motion controller comprises motor, shaft coupling, transverse bearing, leading screw, the first connector, worktable; The rotating shaft of described motor is connected with one end of described leading screw by described shaft coupling and transverse bearing, and described leading screw is connected with the first connector, and described first connector is connected with described worktable.
8. the Precision Piezoelectric driving control system by machine vision technique according to claim 7, it is characterized in that, the other end of described leading screw is provided with screw.
9. the Precision Piezoelectric driving control system by machine vision technique according to claim 7 or 8, is characterized in that, described worktable is connected with described piezoelectric actuator by the second connector.
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| CN201310267505.XA CN104281087A (en) | 2013-07-01 | 2013-07-01 | Piezoelectric precise driving control system through machine vision technology |
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| CN201310267505.XA CN104281087A (en) | 2013-07-01 | 2013-07-01 | Piezoelectric precise driving control system through machine vision technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913721A (en) * | 2015-06-17 | 2015-09-16 | 上海工程技术大学 | Experimental apparatus for industrial vision sensor detection |
| CN105014460A (en) * | 2015-07-07 | 2015-11-04 | 成都亨通兆业精密机械有限公司 | Precision machining microfeed system |
| CN105115425A (en) * | 2015-08-31 | 2015-12-02 | 江苏大学 | Vision-based precision measuring instrument of small-size part |
| CN106026763A (en) * | 2016-05-17 | 2016-10-12 | 西安交通大学 | Piezoelectric ceramic drive three-freedom-degree angle adjusting device and method |
| CN106767406A (en) * | 2016-12-20 | 2017-05-31 | 华南理工大学 | Micro-nano alignment system and its closed-loop On-Line Control Method to compliant mechanism platform |
-
2013
- 2013-07-01 CN CN201310267505.XA patent/CN104281087A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913721A (en) * | 2015-06-17 | 2015-09-16 | 上海工程技术大学 | Experimental apparatus for industrial vision sensor detection |
| CN105014460A (en) * | 2015-07-07 | 2015-11-04 | 成都亨通兆业精密机械有限公司 | Precision machining microfeed system |
| CN105115425A (en) * | 2015-08-31 | 2015-12-02 | 江苏大学 | Vision-based precision measuring instrument of small-size part |
| CN106026763A (en) * | 2016-05-17 | 2016-10-12 | 西安交通大学 | Piezoelectric ceramic drive three-freedom-degree angle adjusting device and method |
| CN106026763B (en) * | 2016-05-17 | 2017-05-17 | 西安交通大学 | Piezoelectric ceramic drive three-freedom-degree angle adjusting device and method |
| CN106767406A (en) * | 2016-12-20 | 2017-05-31 | 华南理工大学 | Micro-nano alignment system and its closed-loop On-Line Control Method to compliant mechanism platform |
| CN106767406B (en) * | 2016-12-20 | 2022-08-16 | 华南理工大学 | Micro-nano positioning system and full closed-loop online control method for compliant mechanism platform by micro-nano positioning system |
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Application publication date: 20150114 |