CN107153432A - A kind of correction centering automatic control system based on digitized processing - Google Patents
A kind of correction centering automatic control system based on digitized processing Download PDFInfo
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- CN107153432A CN107153432A CN201710413901.7A CN201710413901A CN107153432A CN 107153432 A CN107153432 A CN 107153432A CN 201710413901 A CN201710413901 A CN 201710413901A CN 107153432 A CN107153432 A CN 107153432A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention discloses a kind of correction centering automatic control system based on digitized processing, including band conveying frame, also include CPC centering control systems, the CPC centerings control system includes infrared electro detection sensor, digital amplifier, processor, executing agency and touch-screen, the infrared electro detection sensor is arranged on the front end of band conveying frame, the infrared electro detection sensor, digital amplifier, processor and executing agency are sequentially connected, touch-screen and processor connection.The beneficial effects of the invention are as follows：The present invention breaks traditions the structure of simulation rectification centering control system, using digitizing technique, drastically increases the reliability and advance of system, and the pattern of man-machine interaction is intelligentized optimal embodies.
Description
Technical field
The present invention relates to one kind correction centering control system, specially a kind of correction centering based on digitized processing is automatic
Control system.
Background technology
At present, industrial enterprise band is produced or process in, it is necessary to which the accurate unbiased of band is sent into lower road
In technique unit, the process is controlled to complete by correction center support system, with developing rapidly for industry, to automation in Industry Control
It is required that increasingly improving, in order to improve the quality of production and output capacity of product, industrial production line detection and control system are proposed
Higher requirement, it is necessary to which accuracy of detection is high, response is fast, and stability is good, strong antijamming capability；However, to realize these requirements, just
Must there will be higher requirement to all parts of system, to complete the high efficiency of actual production, it is ensured that product quality.But
It is, the problem of having various in existing correction center support system and defect, the composition portion of traditional correction center support system
Dividing mainly has detection sensor, servo amplifier, electrohydraulic servo valve and executing agency, and the technology that system is used is simulation control skill
Art, this analog control technique defect has a lot, and the reaction speed of system is slow, and automaticity is poor, and reliability is low, and lacks people
The function of machine interaction, operating personnel can not flexibly be interacted between system, and these defects have caused using simulation control
The correction center support system of technology can not much meet the quality of production and rate request of industrial enterprise.
Therefore, in order to improve correction center support system advance, practicality, intellectuality and reliability, applicant proposed
A kind of correction centering automatic control system based on digitized processing.
The content of the invention
The purpose of the present invention is that provides a kind of correction centering based on digitized processing to solve the above problems
Automatic control system.
The present invention is achieved through the following technical solutions above-mentioned purpose, and a kind of correction centering based on digitized processing is automatic
Control system, including band conveying frame, in addition to CPC centering control systems, the CPC centerings control system include infrared light
Electro-detection sensor, digital amplifier, processor, executing agency and touch-screen, the infrared electro detection sensor are arranged on
The front end of band conveying frame, the infrared electro detection sensor, digital amplifier, processor and executing agency connect successively
Connect, touch-screen and processor connection.
Further, in addition to EPC opposite side control systems, the EPC opposite side control system includes carrying shot detector
Infrared light sensor, digital amplifier, processor, executing agency and touch-screen, the infrared light sensor is arranged on
The side of band conveying frame, infrared light sensor, digital amplifier, processor and executing agency are sequentially connected, touch-screen
With processor connection.
Further, in addition to remote operation controller, remote operation controller is connected with processor.
Further, the digital amplifier includes the first AD converter, first adder, the first multiplication being sequentially connected
Device, method of summated ratings device, the 3rd multiplier, total phase inverter and D/A converter, the input of method of summated ratings device first adder are connected with
One external compensation module；Method of summated ratings device connects with the first phase inverter, the second multiplier, second adder, the second AD converter successively
Connect, second adder is connected with the second external compensation module.
Further, the processor is PLC.
Further, the infrared electro detection sensor is wide light curtain infrared photoelectric sensor.
The beneficial effects of the invention are as follows：The present invention breaks traditions the structure of simulation rectification centering control system, using numeral
Change technology, control system in being provided with CPC pairs in band conveying frame front end, system includes infrared electro detection sensor, number
Word amplifier, processor, executing agency and touch-screen, infrared electro detection sensor are, as signal gathering unit, and will to adopt
The optical signal of collection is converted to electric signal, after digital amplifier processing amplification, transmits into processor and carries out analysis calculating, place
Reason device control executing agency performs action, and is shown by touch-screen, and operating personnel can be according to actual working condition by touching
Touch screen and send control command, man-machine interaction is realized well, and touch-screen is provided with multiple interfaces, can be between each interface
Switching；The present invention realize infrared electro detection sensor Automatic-searching by the position of side object and detection by side object
Deviation between predeterminated position, after the deviation signal is by digital amplifier enhanced processing, processor control executing agency is moved
Oppose and centering adjustment is carried out by side thing, whole process be full-automatic, by digitization system control realization, drastically increases and is
The reliability and advance of system, the pattern of man-machine interaction is intelligentized optimal embodiment.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of the EPC opposite side control systems of the present invention；
Fig. 3 is the theory diagram of digital amplifier in the present invention；
In figure：1-CPC centering control systems；2-EPC opposite side control systems；11- infrared electro detection sensors；12- numbers
Word amplifier；13- processors；14- executing agencies；15- touch-screens；21- infrared light sensors；The AD converters of 121- first；
122- first adders；The multipliers of 123- first；124- method of summated ratings devices；The multipliers of 125- the 3rd；The total phase inverters of 126-；127-DA
Converter；128- the first external compensation modules；The phase inverters of 129- first；The multipliers of 1210- second；1211- second adders；
The AD converters of 1212- second；1213- the second external compensation modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1-2, a kind of correction centering automatic control system based on digitized processing, including band conveying
Frame, in addition to CPC centerings control system 1, the CPC centerings control system 1 include infrared electro detection sensor 11, numeral
Amplifier 12, processor 13, executing agency 14 and touch-screen 15, the infrared electro detection sensor 11 are conveyed installed in band
The front end of frame, the infrared electro detection sensor 11, digital amplifier 12, processor 13 and executing agency 14 connect successively
Connect, touch-screen 15 and processor 13 are connected.
As preferred technical scheme, in addition to EPC opposite side control system 2, the EPC opposite side control system 2 includes band
There are infrared light sensor 21, digital amplifier 12, processor 13, executing agency 14 and the touch-screen 15 of shot detector, institute
State the side that infrared light sensor 21 is arranged on band conveying frame, infrared light sensor 21, digital amplifier 12, processing
Device 13 and executing agency 14 are sequentially connected, and touch-screen 15 and processor 13 are connected；Also include remote operation controller 3, remote control
Device 3 is connected with processor 13；The digital amplifier 12 includes the first AD converter 121, the first adder being sequentially connected
122nd, the first multiplier 123, method of summated ratings device 124, the 3rd multiplier 125, total phase inverter 126 and D/A converter 127, method of summated ratings device
The input of 124 first adders 122 is connected with the first external compensation module 128；Method of summated ratings device 124 successively with the first phase inverter
129th, the second multiplier 1210, second adder 1211, the second AD converter 1212 are connected, and second adder 1211 is connected with
Two external compensation modules 1213；The processor 13 is PLC；
Operation principle：CPC centering control systems are had a style of one's own, and are Continuous Closed ring type electro-hydraulic control system, when band deviates
As defined in production line during position, detecting system measures the position deviation of sheet material, and deviation is input into electric-control system, automatically controlled system
The output of system is connected with Hydrauservo System, and hydraulic system driving correction executing mechanism makees corresponding actions, and so, sheet material is just accurate
Ground is traveling on pre-adjusted center, and the principle of EPC opposite side control systems is with CPC centering control systems.
The present invention is applied widely, can be applicable to the fields such as milling train, rewinding and papermaking, CPC centerings control system of the present invention
System is by taking uncoiler as an example, EPC opposite side control systems explanation by taking coiling machine as an example；
Specifically, for CPC centering control systems, infrared electro detection sensor is using wide light curtain infrared photoelectric sensing
Device, the wide light curtain infrared photoelectric sensor is arranged on photoelectricity framework, and photoelectricity framework belongs to prior art, following in framework, is had
Two symmetrical transmitting infrared light curtains, framework is below to that should have two receiving device linear arrays, transmitting light curtain transmitting PWM infrared light curtains
Ripple, receiving device linear array is received；When no band is passed through, the luminous flux that two receiving device linear arrays are received is equal, through photoelectricity
Magnitude of voltage after conversion is equal, but when band is offset, the deviation that both sides are received is converted into current value and exported to numeral
Amplifier is transferred to processor after being amplified processing, and by processor control, executing agency performs corresponding action so that band
Recenter, realize centering effect；In process of production, operating personnel can intuitively observe work shape by touch-screen
State, and processor can be sent a command to by touch-screen, carry out corresponding actions；The system is also added into remote operation controller, leads to
The transmission crossed between Ethernet progress data, realizes remote control；Due to mechanical structure, it is impossible to which infrared electro is detected
There is prolonging for certain time between sensor mounting distance uncoiler proximity, therefore uncoiler action and position detector
Late, when Web Transporting low speed is run, what the time delay was showed becomes apparent, in order to solve this technical problem, using bag
Window of web velocities, locator position " time difference compensation " and " predictive compensation " technology are included, as long as providing the minimum and maximum speed of unit
And uncoiler just perfect can be solved to the distance between detection means.
For EPC opposite side control systems, using infrared electro LES-6 sensor lenses detection patterns, when band is by being somebody's turn to do
During camera lens, the strip edge position that LES-6 sensors are detected is initial detecting zero-bit, when band shifts, camera lens
The change of luminous flux can be produced, and process opto-electronic conversion exports for deviation signal and processing is amplified to digital amplifier, passes
Being handed to after analysis is calculated in processor controls executing agency to perform corresponding actions, it is ensured that strip side portion is neat.
CPC centerings control system and EPC opposite side control systems are respectively connected with touch-screen and remote control, touch-screen bag
Changeable between interface containing multiple interfaces, operating personnel can be sent by touch-screen and be ordered, observation band travel position directly perceived,
And switching working mode, can arbitrarily it switch between CPC and EPC mode of operations, remote control passes through access network based on ethernet energy
The remote control of system is enough realized, it is more intelligent.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of correction centering automatic control system based on digitized processing, including band conveying frame, it is characterised in that：Also
Including CPC centerings control system (1), the CPC centerings control system (1) includes infrared electro detection sensor (11), numeral
Amplifier (12), processor (13), executing agency (14) and touch-screen (15), the infrared electro detection sensor (11) are installed
In the front end of band conveying frame, the infrared electro detection sensor (11), digital amplifier (12), processor (13) and hold
Row mechanism (14) is sequentially connected, touch-screen (15) and processor (13) connection.
2. a kind of correction centering automatic control system based on digitized processing according to claim 1, it is characterised in that：
Also include EPC opposite side control system (2), the EPC opposite side control system (2) includes the infrared light with shot detector and passed
Sensor (21), digital amplifier (12), processor (13), executing agency (14) and touch-screen (15), the infrared light sensing
Device (21) be arranged on band conveying frame side, infrared light sensor (21), digital amplifier (12), processor (13) and
Executing agency (14) is sequentially connected, touch-screen (15) and processor (13) connection.
3. a kind of correction centering automatic control system based on digitized processing according to any in claim 1 or 2, its
It is characterised by：Also include remote operation controller (3), remote operation controller (3) is connected with processor (13).
4. a kind of correction centering automatic control system based on digitized processing according to any in claim 1 or 2, its
It is characterised by：The first AD converter (121) that the digital amplifier (12) includes being sequentially connected, first adder (122), the
One multiplier (123), method of summated ratings device (124), the 3rd multiplier (125), total phase inverter (126) and D/A converter (127), it is total to add
The input of musical instruments used in a Buddhist or Taoist mass (124) first adder (122) is connected with the first external compensation module (128)；Method of summated ratings device (124) is successively
Connected with the first phase inverter (129), the second multiplier (1210), second adder (1211), the second AD converter (1212), the
Two adders (1211) are connected with the second external compensation module (1213).
5. a kind of correction centering automatic control system based on digitized processing according to claim 1, it is characterised in that：
The processor (13) is PLC.
6. a kind of correction centering automatic control system based on digitized processing according to claim 1, it is characterised in that：
The infrared electro detection sensor (11) is wide light curtain infrared photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710413901.7A CN107153432A (en) | 2017-06-05 | 2017-06-05 | A kind of correction centering automatic control system based on digitized processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710413901.7A CN107153432A (en) | 2017-06-05 | 2017-06-05 | A kind of correction centering automatic control system based on digitized processing |
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| CN201710413901.7A Pending CN107153432A (en) | 2017-06-05 | 2017-06-05 | A kind of correction centering automatic control system based on digitized processing |
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Cited By (5)
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| CN107807677A (en) * | 2017-11-01 | 2018-03-16 | 中色科技股份有限公司 | Centering control system for uncoiling or coiling machine |
| CN107866448A (en) * | 2017-11-01 | 2018-04-03 | 中色科技股份有限公司 | Centering control system |
| CN112571154A (en) * | 2019-09-30 | 2021-03-30 | 广东利元亨智能装备股份有限公司 | Method for determining deviation correcting data of two sides of strip and deviation correcting system of two sides of strip |
| CN113721451A (en) * | 2021-08-17 | 2021-11-30 | 北京航天希尔测试技术有限公司 | Automatic centering device for moving part of digital vibration table |
| CN114001660A (en) * | 2021-11-02 | 2022-02-01 | 安徽科技学院 | Full-digital photoelectric deviation-rectifying sensor with fine-tuning structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107807677A (en) * | 2017-11-01 | 2018-03-16 | 中色科技股份有限公司 | Centering control system for uncoiling or coiling machine |
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| CN113721451A (en) * | 2021-08-17 | 2021-11-30 | 北京航天希尔测试技术有限公司 | Automatic centering device for moving part of digital vibration table |
| CN114001660A (en) * | 2021-11-02 | 2022-02-01 | 安徽科技学院 | Full-digital photoelectric deviation-rectifying sensor with fine-tuning structure |
| CN114001660B (en) * | 2021-11-02 | 2023-08-04 | 安徽科技学院 | All-digital photoelectric correction sensor with fine tuning structure |
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