CN116736814A - Control method and system of production equipment for manufacturing cable protection tube - Google Patents
Control method and system of production equipment for manufacturing cable protection tube Download PDFInfo
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- 238000004458 analytical method Methods 0.000 claims description 13
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32368—Quality control
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The application discloses a control method and a control system of production equipment for manufacturing a cable protection tube, which relate to the technical field of industrial production control, and are characterized in that equipment information and production process parameters are firstly collected and stored, actual parameters in a target product are detected to obtain a linear image, a two-dimensional rectangular coordinate system is established on the linear image, each pixel point in the linear image is marked as a contour point, corresponding position coordinates are obtained, all the contour points are processed to obtain a functional relation Li, li is calculated to obtain cj, cj is searched in Xi to obtain dj, then the dj is subjected to formula calculation to obtain straightness Z, the straightness Z is compared with preset straightness to obtain equipment deviation signals, then the equipment obtains parameter compensation values according to the equipment deviation signals, and finally the equipment is readjusted and controlled according to the parameter compensation values, so that the production quality of the target product is improved.
Description
Technical Field
The application belongs to the technical field of industrial production control, and particularly relates to a control method and a control system of production equipment for manufacturing a cable protection tube.
Background
The power pipes are divided into a common type and a reinforced type, the reinforced type is divided into an excavation pipe and a non-excavation pipe, and the MPP non-excavation pipe is also called an MPP jacking pipe, an MPP pulling pipe and an MPP pulling pipe.
In the production process of the cable protection pipe, the cable protection pipes are in incomplete straight lines possibly due to the operation problem of equipment in the production process, and when the production is continued, the quality of the cable protection pipes is affected, the qualification rate of products is reduced, and therefore the production cost is increased.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art; therefore, the application provides a control method and a control system of production equipment for manufacturing a cable protection tube, which are used for solving the technical problems.
To achieve the above object, an embodiment according to a first aspect of the present application proposes a control system of a production apparatus for manufacturing a cable protective tube, comprising:
the real-time production data detection end is used for detecting actual parameters of a target product in production and transmitting the actual parameters to the product quality analysis end, wherein the target product refers to a cable protection tube, the actual parameters comprise straightness of the target product, a detection area is firstly set, a contour image of the target product is obtained, a background of the detection area is obtained at the same time and marked as an invalid image, a first view in the contour image is selected, the invalid image is subtracted from the first view to obtain a plane contour of the target product, pixel points in the plane contour are deleted to obtain a linear image, and a two-dimensional rectangular coordinate system is established on the linear image;
the product quality analysis end is used for processing the position coordinates of each contour point in the linear image to obtain straightness and deviation signals of a target product, transmitting the value of the corresponding dj as additional information of the deviation signals to the equipment parameter self-adaptive end, marking each pixel point in the linear image as a contour point, acquiring the corresponding position coordinates, processing all the contour points to obtain a functional relation Li, calculating Li to obtain cj, searching cj in Xi to obtain dj, calculating dj to obtain straightness Z, and comparing the straightness Z with preset straightness to obtain the deviation signals;
the device parameter self-adaptation end is used for obtaining a parameter compensation value according to the device deviation signal and the additional information through processing, and transmitting the parameter compensation value and the corresponding position as a control signal to the device self-control end;
and the device self-control end is used for readjusting and controlling the device according to the compensation position and the parameter compensation value in the control signal.
Preferably, the specific method for detecting the actual parameters of the target product in production comprises the following steps:
s1: firstly, setting a detection area, wherein the detection area is arranged at the rear end of production equipment, and meanwhile, an induction unit is arranged in the detection area and is used for identifying a target product;
s2: when the sensing unit detects a target product, starting measuring equipment to measure the target product, and obtaining a contour image of the target product, wherein the contour image comprises a first view and a second view which are respectively plane views of the target product in two directions, and the specific two directions comprise a front surface and an upper surface;
s3: the contour image of the target product is processed, and the specific processing method comprises the following steps:
firstly, acquiring the background of a detection area, and setting a background image of the detection area as an invalid image;
selecting a first view, and subtracting the same position as the invalid image from the image in the first view to obtain the plane contour of the target product;
decomposing the plane contour of the target product into an image taking the preset pixel value as a unit according to the preset pixel value, and marking the image as a pixel image;
and deleting the pixel points in the pixel image, namely marking the enclosed pixel points as central points, deleting the central points, marking the rest points as contour points, simultaneously marking the images connected with all the contour points as linear images, marking the enclosed pixel points as circles by taking one pixel point as the center and taking the size of the pixel point as the radius, wherein each position in the circles is seamlessly connected with other pixel points, and marking the middle pixel point as the central point.
Preferably, the straightness obtaining method includes:
ST1: firstly selecting a linear image of a first view, taking an X axis as a reference, acquiring a line segment at the upper end of the X axis, and taking each contour point in the line segment at the upper end of the X axisIs fitted to a functional relation by selecting a corresponding algorithmWhere i=1, 2, 3, … …, n, representing the presence of n contour points in a line segment, σ is a preset value, the specific value of which is obtained by the relevant professional through corresponding calculation, ∈ ->Linear regression equation for coordinate position (Xi, yi)>
ST2: then, the derivative operation is carried out on the functional relation Li to obtainSimultaneous make->For 0, obtaining the corresponding value of Yi, and marking the corresponding value as c1, c2, … … and cj, wherein j values exist;
ST3: searching the obtained cj value and the value in Xi to obtain a corresponding value dj of the value in the cj in Xi, wherein the cj and the dj are in one-to-one correspondence, so that corresponding coordinates (dj, cj) are obtained;
ST4: using the formulaObtaining the straightness Z of the corresponding line segment.
Preferably, the method for acquiring the deviation signal comprises the following steps:
comparing the straightness Z with preset straightness, generating a device deviation signal when the straightness Z is smaller than the preset straightness, transmitting corresponding dj values as additional information in the device deviation signal to a device parameter self-adaptive end, and indicating that the straightness Z is qualified when the straightness Z is larger than or equal to the preset straightness.
Preferably, the method for obtaining the parameter compensation value comprises the following steps:
based on additional informationThe deviation position dj obtains the corresponding equipment position, and parameter compensation is carried out on the parameter value of the corresponding equipment position, wherein the parameter compensation value isAnd then generating a control signal by the parameter compensation value and the corresponding compensation position.
Preferably, the system further comprises a production information acquisition end for acquiring equipment information in production and transmitting the equipment information to a product quality analysis end.
Preferably, the system also comprises a process parameter storage module for storing the production process parameters of the target product, and transmitting the production process parameters to a product quality analysis end, wherein the production process parameters refer to the standard straightness of the target product
The control method of the production equipment for manufacturing the cable protection tube comprises the following steps:
step one: firstly, collecting and storing equipment information and production process parameters;
step two: detecting actual parameters in a target product, firstly setting a detection area, acquiring a contour image of the target product, simultaneously acquiring a background of the detection area, marking the background as an invalid image, selecting a first view in the contour image, subtracting the invalid image from the first view to obtain a planar contour of the target product, deleting pixel points in the planar contour to obtain a linear image, and establishing a two-dimensional rectangular coordinate system on the linear image;
step three: marking each pixel point in the linear image as a contour point, acquiring corresponding position coordinates, processing all the contour points to obtain a functional relation Li, calculating Li to obtain cj, searching cj in Xi to obtain dj, and then carrying out formula calculation on dj to obtain straightness Z;
step four: comparing the straightness Z with a preset straightness to obtain an equipment deviation signal, obtaining a parameter compensation value by the equipment according to the equipment deviation signal, and finally readjusting and controlling the equipment by the equipment according to the parameter compensation value.
Compared with the prior art, the application has the beneficial effects that: setting a detection area, processing to obtain a linear image, marking each pixel point in the linear image as a contour point, obtaining corresponding position coordinates, processing all the contour points to obtain straightness, comparing the straightness with preset straightness to obtain a parameter compensation value, finally, readjusting and controlling the equipment according to the parameter compensation value, detecting the straightness of a target product to obtain a position with larger straightness deviation, performing parameter control on the equipment, improving the production quality of the product, and ensuring the qualification rate of equipment production.
Drawings
FIG. 1 is a schematic diagram of a system frame of the present application;
fig. 2 is a schematic diagram of a method framework of the application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 and 2, the application provides a control system of production equipment for manufacturing a cable protection tube, which comprises a process parameter storage end, a production information acquisition end, a real production data detection end, a product quality analysis end, an equipment parameter self-adaptive end and an equipment self-control end;
the process parameter storage module is used for storing production process parameters of a target product and transmitting the production process parameters to the product quality analysis end, wherein the target product refers to a product produced in production equipment;
the production information acquisition end is used for acquiring equipment information in production, wherein the equipment information comprises main parameters of equipment in production, including equipment adjustment parameters and equipment control parameters, and then the production information acquisition end transmits the acquired equipment information to the product quality analysis end;
the real-time production data detection end is used for detecting actual parameters of a target product in production, wherein the actual parameters comprise straightness of the target product, and the specific detection method comprises the following steps:
s1: firstly, setting a detection area, wherein the detection area is arranged at the rear end of production equipment, and meanwhile, an induction unit is arranged in the detection area and is used for identifying a target product;
s2: when the sensing unit detects a target product, starting measuring equipment to measure the target product, and obtaining a contour image of the target product, wherein the contour image comprises a first view and a second view which are respectively plane views of the target product in two directions, and the specific two directions comprise a front surface and an upper surface, and in the embodiment, the measuring equipment is optical imaging equipment;
s3: the contour image of the target product is processed, and the specific processing method comprises the following steps:
firstly, acquiring the background of a detection area, and setting a background image of the detection area as an invalid image;
selecting a first view, and subtracting the same position as the invalid image from the image in the first view to obtain the plane contour of the target product;
decomposing the plane contour of the target product into an image taking the preset pixel value as a unit according to the preset pixel value, and marking the image as a pixel image, wherein the preset pixel value is set by related professionals;
then deleting the pixel points in the pixel image, namely marking the enclosed pixel points as central points, deleting the central points, marking the rest points as contour points, simultaneously marking the images connected with all the contour points as linear images, marking the enclosed pixel points as circles by taking one pixel point as the center and taking the size of the pixel point as the radius, wherein each position in the circles is seamlessly connected with other pixel points, and marking the middle pixel point as the central point;
processing the rest second views according to the step S3 to obtain corresponding linear images respectively, wherein the straight line contours of the surface of the target product are obtained from the first view and the second view respectively;
s4: respectively taking the left lower corner position in the linear image as an origin, establishing a two-dimensional rectangular coordinate system, respectively obtaining the position coordinates of each contour point in the linear image, and transmitting the position coordinates to a product quality analysis end;
the product quality analysis end is used for processing the position coordinates of each contour point in the linear image to obtain the straightness of the target product, and the specific processing method comprises the following steps:
ST1: firstly selecting a linear image of a first view, taking an X-axis as a reference, obtaining a line segment at the upper end of the X-axis, and fitting the position coordinates (Xi, yi) of each contour point in the line segment at the upper end of the X-axis into a functional relation by selecting a corresponding algorithmWhere i=1, 2, 3, … …, n, representing the presence of n contour points in a line segment, σ is a preset value, the specific value of which is obtained by the relevant professional through corresponding calculation, ∈ ->Linear regression equation for coordinate position (Xi, yi),. Sup.>
ST2: then, the derivative operation is carried out on the functional relation Li to obtainSimultaneous make->For 0, obtaining the corresponding value of Yi, and marking the corresponding value as c1, c2, … … and cj, wherein j values exist;
ST3: searching the obtained cj value and the value in Xi to obtain a corresponding value dj of the value in the cj in Xi, wherein the cj and the dj are in one-to-one correspondence, so that corresponding coordinates (dj, cj) are obtained;
ST4: using the formulaObtaining straightness Z of a corresponding line segment, comparing the straightness Z with preset straightness, generating a device deviation signal when the straightness Z is smaller than the preset straightness, transmitting corresponding dj values to a device parameter self-adaptive end as additional information in the device deviation signal, and indicating that the corresponding line segment is qualified when the straightness Z is larger than or equal to the preset straightness, wherein the preset straightness is valued by related professionals;
ST5: and processing the linear image in the second view in the same way according to the steps to obtain straightness and corresponding position coordinates, and transmitting the straightness and the corresponding position coordinates to the equipment parameter self-adaption end.
The device parameter self-adaptive end is used for carrying out parameter self-checking on production parameters of the device according to the device deviation signal and the additional information, and the specific parameter self-checking method comprises the following steps:
firstly, obtaining a corresponding equipment position according to a deviation position dj in the additional information, and carrying out parameter compensation on a parameter value of the corresponding equipment position, wherein the parameter compensation value isThen generating a control signal by the parameter compensation value and the corresponding compensation position, and transmitting the control signal to a self-control end of the equipment;
the device self-control end is used for readjusting and controlling the device according to the compensation position and the parameter compensation value in the control signal.
A control method of production equipment for manufacturing a cable protective tube, comprising:
step one: firstly, collecting and storing equipment information and production process parameters;
step two: detecting actual parameters in a target product, firstly setting a detection area, acquiring a contour image of the target product, simultaneously acquiring a background of the detection area, marking the background as an invalid image, selecting a first view in the contour image, subtracting the invalid image from the first view to obtain a planar contour of the target product, deleting pixel points in the planar contour to obtain a linear image, and establishing a two-dimensional rectangular coordinate system on the linear image;
step three: marking each pixel point in the linear image as a contour point, acquiring corresponding position coordinates, processing all the contour points to obtain a functional relation Li, calculating Li to obtain cj, searching cj in Xi to obtain dj, and then carrying out formula calculation on dj to obtain straightness Z;
step four: comparing the straightness Z with a preset straightness to obtain an equipment deviation signal, obtaining a parameter compensation value by the equipment according to the equipment deviation signal, and finally readjusting and controlling the equipment by the equipment according to the parameter compensation value.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (8)
1. A control system of production equipment for manufacturing a cable protective tube, comprising:
the real-time production data detection end is used for detecting actual parameters of a target product in production and transmitting the actual parameters to the product quality analysis end, wherein the target product refers to a cable protection tube, the actual parameters comprise straightness of the target product, a detection area is firstly set, a contour image of the target product is acquired, the contour image refers to a product image acquired through detection equipment, a background of the detection area is acquired at the same time and marked as an invalid image, a first view in the contour image is selected, the invalid image is subtracted from the first view to obtain a plane contour of the target product, pixel points in the plane contour are deleted to obtain a linear image, and a two-dimensional rectangular coordinate system is established on the linear image;
the product quality analysis end is used for processing the position coordinates of each contour point in the linear image to obtain straightness and deviation signals of a target product, transmitting the value of the corresponding dj as additional information of the deviation signals to the equipment parameter self-adaptive end, marking each pixel point in the linear image as a contour point, acquiring the corresponding position coordinates, processing all the contour points to obtain a functional relation Li, calculating Li to obtain cj, searching cj in Xi to obtain dj, calculating dj to obtain straightness Z, and comparing the straightness Z with preset straightness to obtain the deviation signals;
the device parameter self-adaptation end is used for obtaining a parameter compensation value according to the device deviation signal and the additional information through processing, and transmitting the parameter compensation value and the corresponding position as a control signal to the device self-control end;
and the device self-control end is used for readjusting and controlling the device according to the compensation position and the parameter compensation value in the control signal.
2. The control system of a production facility for manufacturing a cable protection tube according to claim 1, wherein the specific method for detecting the actual parameters of the target product in production is as follows:
s1: firstly, setting a detection area, wherein the detection area is arranged at the rear end of production equipment, and meanwhile, an induction unit is arranged in the detection area and is used for identifying a target product;
s2: when the sensing unit detects a target product, starting measuring equipment to measure the target product, and obtaining a contour image of the target product, wherein the contour image comprises a first view and a second view which are respectively plane views of the target product in two directions, and the specific two directions comprise a front surface and an upper surface;
s3: the contour image of the target product is processed, and the specific processing method comprises the following steps:
firstly, acquiring the background of a detection area, and setting a background image of the detection area as an invalid image;
selecting a first view, and subtracting the same position as the invalid image from the image in the first view to obtain the plane contour of the target product;
decomposing the plane contour of the target product into an image taking the preset pixel value as a unit according to the preset pixel value, and marking the image as a pixel image;
and deleting the pixel points in the pixel image, namely marking the enclosed pixel points as central points, deleting the central points, marking the rest points as contour points, simultaneously marking the images connected with all the contour points as linear images, marking the enclosed pixel points as circles by taking one pixel point as the center and taking the size of the pixel point as the radius, wherein each position in the circles is seamlessly connected with other pixel points, and marking the middle pixel point as the central point.
3. The control system of a production facility for manufacturing a cable protection tube according to claim 1, wherein the straightness obtaining method is as follows:
ST1: firstly selecting a linear image of a first view, taking an X-axis as a reference, obtaining a line segment at the upper end of the X-axis, and fitting the position coordinates (Xi, yi) of each contour point in the line segment at the upper end of the X-axis into a functional relation by selecting a corresponding algorithmWhere i=1, 2, 3, … …, n, representing the presence of n contour points in a line segment, σ is a preset value, the specific value of which is obtained by the relevant professional through corresponding calculation, ∈ ->Linear regression equation for coordinate position (Xi, yi),. Sup.>
ST2: then, the derivative operation is carried out on the functional relation Li to obtainSimultaneous make->For 0, obtaining the corresponding value of Yi, and marking the corresponding value as c1, c2, … … and cj, wherein j values exist;
ST3: searching the obtained cj value and the value in Xi to obtain a corresponding value dj of the value in the cj in Xi, wherein the cj and the dj are in one-to-one correspondence, so that corresponding coordinates (dj, cj) are obtained;
ST4: using the formulaObtaining the straightness Z of the corresponding line segment.
4. The control system of a production facility for manufacturing a cable protection tube according to claim 1, wherein the deviation signal acquiring method comprises:
comparing the straightness Z with preset straightness, generating a device deviation signal when the straightness Z is smaller than the preset straightness, transmitting corresponding dj values as additional information in the device deviation signal to a device parameter self-adaptive end, and indicating that the straightness Z is qualified when the straightness Z is larger than or equal to the preset straightness.
5. The control system of a production facility for manufacturing a cable protection tube according to claim 1, wherein the parameter compensation value obtaining method comprises:
firstly, obtaining a corresponding equipment position according to a deviation position dj in the additional information, and carrying out parameter compensation on a parameter value of the corresponding equipment position, wherein the parameter compensation value isWill thenThe parameter compensation value and the corresponding compensation position generate a control signal.
6. The control system of a production device for manufacturing a cable protective tube according to claim 1, further comprising a production information acquisition end for acquiring device information in production and transmitting the device information to a product quality analysis end.
7. The control system of a production device for manufacturing a cable protective tube according to claim 1, further comprising a process parameter storage module, wherein the process parameter storage module is configured to store a production process parameter of a target product, and transmit the production process parameter to a product quality analysis end, and the production process parameter refers to standard straightness of the target product.
8. A control method of production equipment for manufacturing a cable protective tube, the method being applied to any one of the control systems of claims 1 to 7, the method comprising:
step one: firstly, collecting and storing equipment information and production process parameters;
step two: detecting actual parameters in a target product, firstly setting a detection area, acquiring a contour image of the target product, simultaneously acquiring a background of the detection area, marking the background as an invalid image, selecting a first view in the contour image, subtracting the invalid image from the first view to obtain a planar contour of the target product, deleting pixel points in the planar contour to obtain a linear image, and establishing a two-dimensional rectangular coordinate system on the linear image;
step three: marking each pixel point in the linear image as a contour point, acquiring corresponding position coordinates, processing all the contour points to obtain a functional relation Li, calculating Li to obtain cj, searching cj in Xi to obtain dj, and then carrying out formula calculation on dj to obtain straightness Z;
step four: comparing the straightness Z with a preset straightness to obtain an equipment deviation signal, obtaining a parameter compensation value by the equipment according to the equipment deviation signal, and finally readjusting and controlling the equipment by the equipment according to the parameter compensation value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117270481A (en) * | 2023-11-22 | 2023-12-22 | 北京东大金智科技股份有限公司 | Data processing method and system for industrial personal computer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117270481A (en) * | 2023-11-22 | 2023-12-22 | 北京东大金智科技股份有限公司 | Data processing method and system for industrial personal computer |
| CN117270481B (en) * | 2023-11-22 | 2024-02-23 | 北京东大金智科技股份有限公司 | Data processing method and system for industrial personal computer |
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