CN114919952B - Ultrasonic small hole detection and deviation correction discrimination method for coiled material with edge perforation - Google Patents
Ultrasonic small hole detection and deviation correction discrimination method for coiled material with edge perforation Download PDFInfo
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- CN114919952B CN114919952B CN202210445979.8A CN202210445979A CN114919952B CN 114919952 B CN114919952 B CN 114919952B CN 202210445979 A CN202210445979 A CN 202210445979A CN 114919952 B CN114919952 B CN 114919952B
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- 238000012937 correction Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000012850 discrimination method Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000013178 mathematical model Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 39
- 238000012544 monitoring process Methods 0.000 claims description 20
- 238000012360 testing method Methods 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 3
- 238000004925 denaturation Methods 0.000 abstract description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
Aiming at the limitations of the prior art, the utility model provides an ultrasonic small hole detection and deviation correction judging method with an edge perforation coiled material, which can effectively identify the coiled material edge small hole without deviation correction by establishing a mathematical model and a judging criterion between ultrasonic sensing signals and the aperture of the edge small hole of the measured coiled material, thereby eliminating the shaking of a deviation correction mechanism caused by conveying the coiled material edge small hole, avoiding error correction, greatly improving the stability and reliability of the system and considerably reducing the loss of the coiled material caused by fold denaturation.
Description
Technical Field
The utility model relates to the technical field of processes such as coiled material printing and forming, in particular to an ultrasonic small hole detection and deviation correction discrimination method for coiled materials with edge perforation.
Background
In the process of conveying coiled materials, the transverse deviation of the coiled materials is caused due to the influences of various factors such as friction force of rollers, vibration of equipment, uneven traction tension and the like, so that the problems of uneven coiling, inaccurate positioning, reduced shearing precision and the like are caused; at this time, the coil needs to be rectified by a rectification controller.
Such as the Chinese patent of the utility model with the publication date 2021.12.21: the automatic plastic coiled material feeding and correcting device comprises a base, an automatic feeding mechanism and a correcting mechanism, wherein the automatic feeding mechanism and the correcting mechanism are arranged on the base, the correcting mechanism comprises a correcting detection assembly and a correcting adjustment assembly, and the correcting adjustment assembly comprises a correcting guide rail arranged on the base, a correcting sliding block connected with the correcting guide rail, a correcting rack arranged on the correcting sliding block and a correcting power assembly which is arranged on the base and connected with the correcting rack for driving the correcting rack to move along the correcting guide rail; according to the scheme, the position of the coiled material is detected in real time through the deviation correcting detection assembly, when the feeding of the coiled material is deviated, the feeding position of the coiled material is regulated through the deviation correcting regulation assembly, the deviation correcting machine frame is driven to move through the deviation correcting power assembly, the deviation correcting machine frame can directionally move along the deviation correcting guide rail under the action of the deviation correcting sliding block, and accordingly the feeding position is corrected.
However, when the existing deviation correcting controller detects the coiled material perforated at the edge, the small holes can be erroneously judged to be deviated, so that error correction is caused, the deviation correcting mechanism is severely vibrated, and the coiled material can be wrinkled when serious. There are therefore certain limitations to the prior art.
Disclosure of Invention
Aiming at the limitation of the prior art, the utility model provides an ultrasonic small hole detection and deviation correction judging method with an edge perforation coiled material, which adopts the following technical scheme:
an ultrasonic small hole detection and deviation correction discrimination method with edge perforation coiled material comprises the following steps:
in the normal monitoring state, the following steps S1 to S3 are performed at a preset sampling rate:
s1, acquiring an analog voltage output by an ultrasonic correction sensor in the process of monitoring the edge position of a measured coiled material in real time;
s2, obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor;
s3, obtaining the offset speed of the coiled material to be measured according to the offset;
s4, judging whether the offset speed is larger than a preset offset speed threshold value or not; if not, returning to the step S1; if yes, entering a small Kong Panbie state;
after entering the small Kong Panbie state, increasing the sampling rate in the next several sampling periods to execute the steps S1 and S2, taking the offset obtained in the several sampling periods as the real-time offset in the small Kong Panbie state, recording the sampling time of the real-time offset, and executing the following steps:
s5, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of the edge small hole of the measured coiled material according to the sampling time corresponding to the real-time offset;
s6, acquiring the Euclidean distance between the real-time offset and the model offset;
s7, judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified.
Compared with the prior art, the utility model can effectively identify the coiled material edge small hole without deviation correction by establishing the mathematical model and the discriminant criterion between the ultrasonic sensing signal and the aperture of the detected coiled material edge small hole, thereby eliminating the shaking of the deviation correcting mechanism caused by conveying the coiled material edge small hole, avoiding error deviation correction, greatly improving the stability and the reliability of the system and considerably reducing the loss of the coiled material caused by fold denaturation.
As a preferred embodiment, the model between the ultrasonic sensor signal and the aperture of the edge aperture of the web to be measured is obtained by:
the ultrasonic correction sensor, the aperture size and the moving speed are sequentially replaced to perform the following test and record:
punching test holes with corresponding sizes on the edge of the coiled material according to a preset aperture range; the motor is controlled to operate according to a preset speed interval respectively, so that the test hole passes through the effective detection range of the ultrasonic correction sensor, and test data of the ultrasonic correction sensor when the test hole passes through is recorded;
and obtaining a model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the coiled material to be tested by taking the average value of the results of the test data and performing high-order polynomial fitting.
Further, the model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the measured coiled material is divided into a large aperture model, a medium aperture model and a small aperture model according to the aperture range.
Further, the large pore size model has a pore size range of (3.5,5) mm, the medium pore size model has a pore size range of (2,3.5) mm, and the small pore size model has a pore size range of (0, 2) mm.
Further, the speed section includes a low speed section, a medium speed section, and a high speed section.
Still further, the low speed interval is (0, 10) mm/s, the medium speed interval is (10, 20) mm/s, and the high speed interval is (20, 30) mm/s.
As a preferred embodiment, in the step S5, the euclidean distance d between the real-time offset and the model offset is obtained by the following formula:
wherein ,ei E is the real-time offset j Mathematical model offsets.
The utility model also includes the following:
an ultrasonic small hole detection and deviation correction discrimination system with edge perforation coiled materials comprises a common monitoring module and a small Kong Panbie module which are connected in sequence; wherein:
the common monitoring module is used for acquiring analog voltage output by the ultrasonic correction sensor in the process of monitoring the edge position of the measured coiled material in real time according to a preset sampling rate; obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor; obtaining the offset speed of the coiled material to be measured according to the offset; judging whether the offset speed is greater than a preset offset speed threshold value or not; if not, repeating the monitoring content; if yes, entering a small Kong Panbie state;
the small Kong Panbie module is used for recording the sampling time of the real-time offset by taking the offset obtained by increasing the sampling rate in the next several sampling periods as the real-time offset in the small Kong Panbie state after entering the small Kong Panbie state; according to the sampling time corresponding to the real-time offset, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of a small hole at the edge of the measured coiled material; acquiring Euclidean distance between the real-time offset and the model offset; judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value or not; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified.
A storage medium having stored thereon a computer program which when executed by a processor performs the steps of the ultrasonic aperture detection and deskew discrimination method as described above with edge perforation webs.
The deviation rectifying control equipment comprises a power supply, a stepping motor, a deviation rectifying mechanism driven by the stepping motor, an ultrasonic deviation rectifying sensor and a control unit; the control unit comprises a storage medium, a processor and a computer program which is stored in the storage medium and can be executed by the processor, and when the computer program is executed by the processor, the steps of the ultrasonic pinhole detection and deviation correction judging method with the edge perforation coiled material are realized, the judging result of whether the coiled material to be detected needs deviation correction or not is obtained, and the stepping motor is controlled according to the judging result so that the deviation correction mechanism corrects the deviation of the coiled material to be detected.
Drawings
Fig. 1 is a schematic diagram of steps of an ultrasonic pinhole detecting and deviation rectifying method with edge perforation coiled material provided in embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of an ultrasonic pinhole detection and deviation correction discrimination method with edge perforation coiled material according to an embodiment of the present utility model;
FIG. 3 is an example of an ultrasonic deskew sensor profile in accordance with an embodiment of the present utility model;
FIG. 4 is a graph comparing example of a curve corresponding to a model and a curve corresponding to a real-time offset according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of an ultrasonic pinhole detecting and deviation rectifying system with edge perforation coiled material provided in embodiment 2 of the present utility model.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the described embodiments are merely some, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are intended to be within the scope of the embodiments of the present utility model.
The terminology used in the embodiments of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the utility model. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model as detailed in the accompanying claims. In the description of the present utility model, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The utility model is further illustrated in the following figures and examples.
In order to solve the limitations of the prior art, the present embodiment provides a technical solution, and the technical solution of the present utility model is further described below with reference to the drawings and the embodiments.
Example 1
Referring to fig. 1 and 2, an ultrasonic pinhole detecting and deviation correcting method with edge perforation coiled material includes the following steps: in the normal monitoring state, the following steps S1 to S3 are performed at a preset sampling rate:
s1, acquiring an analog voltage output by an ultrasonic correction sensor in the process of monitoring the edge position of a measured coiled material in real time;
s2, obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor;
s3, obtaining the offset speed of the coiled material to be measured according to the offset;
s4, judging whether the offset speed is larger than a preset offset speed threshold value or not; if not, returning to the step S1; if yes, entering a small Kong Panbie state;
after entering the small Kong Panbie state, increasing the sampling rate in the next several sampling periods to execute the steps S1 and S2, taking the offset obtained in the several sampling periods as the real-time offset in the small Kong Panbie state, recording the sampling time of the real-time offset, and executing the following steps:
s5, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of the edge small hole of the measured coiled material according to the sampling time corresponding to the real-time offset;
s6, acquiring the Euclidean distance between the real-time offset and the model offset;
s7, judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified.
Compared with the prior art, the utility model can effectively identify the coiled material edge small hole without deviation correction by establishing the mathematical model and the discriminant criterion between the ultrasonic sensing signal and the aperture of the detected coiled material edge small hole, thereby eliminating the shaking of the deviation correcting mechanism caused by conveying the coiled material edge small hole, avoiding error deviation correction, greatly improving the stability and the reliability of the system and considerably reducing the loss of the coiled material caused by fold denaturation.
Specifically, referring to fig. 3, the characteristic curve of the ultrasonic deviation correcting sensor reflects the relationship between the edge position of the coiled material and the shielding voltage, and the curve is measured after the ultrasonic deviation correcting sensor is calibrated in advance. When the ultrasonic correction sensor works, the output voltage value is a non-shielding voltage, and the measured non-shielding voltage is subtracted from the maximum output voltage value of the ultrasonic correction sensor to obtain a shielding voltage; and then the position of the edge of the coiled material can be calculated according to the position of the edge of the coiled material and the shielding voltage curve.
After entering the small Kong Panbie state, the steps S1 and S2 may be performed by increasing the sampling rate in the next five sampling periods, and the offset obtained in the sampling periods is taken as the real-time offset in the small Kong Panbie state.
In the state of small Kong Panbie, referring to fig. 4, when the detected real-time offset rises greatly and rapidly, the similarity between the curve corresponding to the model between the ultrasonic sensing signal and the aperture of the edge aperture of the measured coil and the curve corresponding to the real-time offset is compared, that is, the euclidean distance between the two curves is calculated, and it is determined whether the detected offset is abnormally raised by the aperture.
As a preferred embodiment, the model between the ultrasonic sensor signal and the aperture of the edge aperture of the web to be measured is obtained by:
the ultrasonic correction sensor, the aperture size and the moving speed are sequentially replaced to perform the following test and record:
punching test holes with corresponding sizes on the edge of the coiled material according to a preset aperture range; the motor is controlled to operate according to a preset speed interval respectively, so that the test hole passes through the effective detection range of the ultrasonic correction sensor, and test data of the ultrasonic correction sensor when the test hole passes through is recorded;
and obtaining a model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the coiled material to be tested by taking the average value of the results of the test data and performing high-order polynomial fitting.
Further, the model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the measured coiled material is divided into a large aperture model, a medium aperture model and a small aperture model according to the aperture range.
Further, the large pore size model has a pore size range of (3.5,5) mm, the medium pore size model has a pore size range of (2,3.5) mm, and the small pore size model has a pore size range of (0, 2) mm.
Further, the speed section includes a low speed section, a medium speed section, and a high speed section.
Still further, the low speed interval is (0, 10) mm/s, the medium speed interval is (10, 20) mm/s, and the high speed interval is (20, 30) mm/s.
As a preferred embodiment, in the step S5, the euclidean distance d between the real-time offset and the model offset is obtained by the following formula:
wherein ,ei E is the real-time offset j Mathematical model offsets.
And after the step S7, if deviation correction is not needed or is finished subsequently, the normal monitoring state can be recovered for continuous monitoring.
Example 2
Referring to fig. 5, an ultrasonic pinhole detecting and deviation rectifying system with edge perforation coiled material includes a common monitoring module 1 and a small Kong Panbie module 2 connected in sequence; wherein:
the common monitoring module 1 is used for acquiring analog voltage output by the ultrasonic correction sensor in the process of monitoring the edge position of the measured coiled material in real time according to a preset sampling rate; obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor; obtaining the offset speed of the coiled material to be measured according to the offset; judging whether the offset speed is greater than a preset offset speed threshold value or not; if not, repeating the monitoring content; if yes, entering a small Kong Panbie state;
the small Kong Panbie module 2 is configured to record, after entering the small Kong Panbie state, a sampling time of the real-time offset with an offset obtained by increasing a sampling rate in a next several sampling periods as the real-time offset in the small Kong Panbie state; according to the sampling time corresponding to the real-time offset, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of a small hole at the edge of the measured coiled material; acquiring Euclidean distance between the real-time offset and the model offset; judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value or not; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified.
Example 3
A storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the ultrasonic aperture detection and deskew discrimination method with edge perforation web as described in embodiment 1.
Example 4
A coiled material deviation rectifying control device comprises a power supply, a stepping motor, a deviation rectifying mechanism driven by the stepping motor, an ultrasonic deviation rectifying sensor and a control unit; the control unit includes a storage medium, a processor, and a computer program stored in the storage medium and executable by the processor, where the computer program, when executed by the processor, implements the steps of the method for detecting and determining deviation of an ultrasonic pinhole with an edge perforation coiled material according to embodiment 1, to obtain a determination result of whether the detected coiled material needs to be corrected, and controls the stepper motor according to the determination result to cause the correction mechanism to correct the detected coiled material.
Specifically, the processor of the control unit may use an STM32h743 chip, with a resolution of 12 bits, a sampling rate of 100KHz, and a sampling length of 100 samples; meanwhile, the controller may have a stepper motor driver integrated therein in advance. And after sampling, automatically performing data processing, including mean filtering, removing fluctuation values larger than 3 times of standard deviation and the like, so as to ensure the accuracy and stability of data acquisition. The stepping motor is controlled by programming so as to achieve the automatic operation of the deviation correcting mechanism such as left and right movement and medium return.
More specifically, the embodiment can be combined with the built hardware device, and the controller can be used by writing a control computer program in the Keil platform and burning the control computer program.
As an alternative embodiment, the coil deviation rectifying control device can select a touch screen as a human-computer interface, and can perform various operations such as initial calibration, parameter setting and the like.
Specifically, the screw pitch of the stepping motor is 10mm, and each pulse is moved by 1 micron in a pulse control mode.
The ultrasonic correction sensor is used as a signal detection device, the resolution can reach 0.01mm, the ultrasonic correction sensor is basically not interfered by environmental noise, and the output is 0v to 5v of analog voltage value.
The power supply is a 24v direct current power supply, and the voltage fluctuation is less than 0.01v so as not to influence the stability of the ultrasonic correction sensor.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (9)
1. An ultrasonic small hole detection and deviation correction discrimination method with edge perforation coiled material is characterized in that:
in the normal monitoring state, the following steps S1 to S3 are performed at a preset sampling rate:
s1, acquiring an analog voltage output by an ultrasonic correction sensor in the process of monitoring the edge position of a measured coiled material in real time;
s2, obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor;
s3, obtaining the offset speed of the coiled material to be measured according to the offset;
s4, judging whether the offset speed is larger than a preset offset speed threshold value or not; if not, returning to the step S1; if yes, entering a small Kong Panbie state;
after entering the small Kong Panbie state, increasing the sampling rate in the next several sampling periods to execute the steps S1 and S2, taking the offset obtained in the several sampling periods as the real-time offset in the small Kong Panbie state, recording the sampling time of the real-time offset, and executing the following steps:
s5, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of the edge small hole of the measured coiled material according to the sampling time corresponding to the real-time offset;
s6, acquiring the Euclidean distance between the real-time offset and the model offset;
s7, judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified;
wherein the model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the measured coiled material is obtained by the following modes:
the ultrasonic correction sensor, the aperture size and the moving speed are sequentially replaced to perform the following test and record:
punching test holes with corresponding sizes on the edge of the coiled material according to a preset aperture range; the motor is controlled to operate according to a preset speed interval respectively, so that the test hole passes through the effective detection range of the ultrasonic correction sensor, and test data of the ultrasonic correction sensor when the test hole passes through is recorded;
and obtaining a model between the ultrasonic sensing signal and the aperture of the small hole at the edge of the coiled material to be tested by taking the average value of the results of the test data and performing high-order polynomial fitting.
2. The method for detecting and correcting deviation of an ultrasonic pinhole of a web with edge perforation according to claim 1, wherein the model between the ultrasonic sensor signal and the aperture of the edge pinhole of the web to be detected is classified into a large aperture model, a medium aperture model and a small aperture model according to the aperture range.
3. The method according to claim 2, wherein the large-aperture model has a pore size range of (3.5,5) mm, the medium-aperture model has a pore size range of (2,3.5) mm, and the small-aperture model has a pore size range of (0, 2) mm.
4. The method for detecting and correcting deviation of an ultrasonic pinhole of a web with edge perforations according to claim 1, wherein the speed section includes a low speed section, a medium speed section and a high speed section.
5. The method of claim 4, wherein the low speed range is (0, 10) mm/s, the medium speed range is (10, 20) mm/s, and the high speed range is (20, 30) mm/s.
6. The ultrasonic pinhole detection and correction discrimination method with edge perforation web according to claim 1, wherein in said step S5, the euclidean distance d between said real-time offset and said model offset is obtained by the following formula:
；
wherein ,e i for the real-time offset to be a real-time offset,e j mathematical model offsets.
7. An ultrasonic pinhole detection and correction discrimination system with an edge perforation coiled material, which is applied to the ultrasonic pinhole detection and correction discrimination method with an edge perforation coiled material as set forth in any one of claims 1 to 6, and is characterized by comprising a common monitoring module (1) and a small Kong Panbie module (2) which are connected in sequence; wherein:
the common monitoring module (1) is used for acquiring analog voltage output by the ultrasonic correction sensor in the process of monitoring the edge position of the measured coiled material in real time according to a preset sampling rate; obtaining the offset of the coiled material to be measured according to the analog voltage and a preset characteristic curve of the ultrasonic correction sensor; obtaining the offset speed of the coiled material to be measured according to the offset; judging whether the offset speed is greater than a preset offset speed threshold value or not; if not, repeating the monitoring content; if yes, entering a small Kong Panbie state;
the small Kong Panbie module (2) is configured to record, after entering the small Kong Panbie state, a sampling time of the real-time offset with an offset obtained by increasing a sampling rate in a next several sampling periods as the real-time offset in the small Kong Panbie state; according to the sampling time corresponding to the real-time offset, acquiring a model offset corresponding to the real-time offset from a preset model between an ultrasonic sensing signal and the aperture of a small hole at the edge of the measured coiled material; acquiring Euclidean distance between the real-time offset and the model offset; judging whether the Euclidean distance is smaller than a preset Euclidean distance threshold value or not; if yes, judging that the measured coiled material does not need to be rectified, otherwise, judging that the measured coiled material needs to be rectified.
8. A storage medium having a computer program stored thereon, characterized by: the computer program when executed by a processor implements the steps of the ultrasonic aperture detection and correction discrimination method with edge perforation web as recited in any one of claims 1 to 6.
9. The utility model provides a coiled material control equipment that rectifies, includes power, step motor, by step motor drives rectify mechanism, ultrasonic wave rectify sensor and the control unit, its characterized in that: the control unit comprises a storage medium, a processor and a computer program stored in the storage medium and executable by the processor, wherein the computer program realizes the steps of the ultrasonic pinhole detection and deviation correction judging method with the edge perforation coiled material according to any one of claims 1 to 6 when being executed by the processor, so as to obtain a judging result of whether the coiled material to be detected needs to be corrected, and controls the stepping motor according to the judging result so that the correction mechanism corrects the deviation of the coiled material to be detected.
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