CN117706966B - Intelligent automatic centering control system - Google Patents
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Abstract
The invention relates to the technical field of intelligent control, and discloses an intelligent automatic centering control system, which comprises the following components: the device comprises a coiled material conveying device, an image shooting module, an image analysis module and a centering determination module. The coiled material conveying device is used for conveying coiled materials to be processed to the coil roller; the image shooting module is used for shooting images of the coiled material to be processed and obtaining real-time images of the coiled material to be processed; the image analysis module is used for carrying out image analysis on the real-time image and judging whether the coiled material to be processed needs centering control processing or not based on an analysis result; the centering determination module is used for determining the offset gesture of the coiled material to be processed when the coiled material to be processed needs centering control processing, collecting corresponding centering information based on the offset gesture, and setting a centering control scheme of the coiled material to be processed according to the centering information.
Description
Technical Field
The invention relates to the technical field of intelligent control, in particular to an intelligent automatic centering control system.
Background
Deviation correction control is a process performed when processing coiled materials, and performs timely correction operation on the deviated coiled materials. The deviation correcting control system is an automatic closed-loop system for automatically correcting the transverse deviation of the coiled material. The relative position of the edge of the coiled material is detected by a deviation correcting sensor, and then the deviation of the detected value and a set value is compared, and a signal is sent to an electric driver for correction.
Current self-centering control systems use two position sensors and the receiver is mounted on a motor adjustable slide, calibrated by respective light emitters. According to a specific measurement method, consistency of optical signals detected by photoelectric measuring heads at two edges of steel is guaranteed, so that the steel always runs on a central line of a processing line, but along with rapid development of industry, higher requirements are put forward on an automatic centering control system, the current automatic centering control system is high in cost and complex in control, the current rapid production and processing requirements cannot be met, and a large amount of manpower and material resources are wasted.
Disclosure of Invention
The embodiment of the invention provides an intelligent automatic centering control system which is used for solving the technical problems that in the prior art, intelligent centering control cannot be performed on coiled materials to be processed, and centering accuracy and centering efficiency cannot be improved.
In order to achieve the above object, the present invention provides an intelligent automatic centering control system, comprising:
the coiled material conveying device is used for conveying coiled materials to be processed to the coil roller;
The image shooting module is used for shooting images of the coiled material to be processed and obtaining real-time images of the coiled material to be processed;
the image analysis module is used for carrying out image analysis on the real-time image and judging whether the coiled material to be processed needs centering control treatment or not based on an analysis result;
And the centering determining module is used for determining the offset gesture of the coiled material to be processed when the coiled material to be processed needs centering control processing, collecting corresponding centering information based on the offset gesture, and setting a centering control scheme of the coiled material to be processed according to the centering information.
Further, the image analysis module is specifically configured to:
The image analysis module is used for acquiring a first central line of the coiled material to be processed and a second central line of the coiled material conveying device, judging whether the first central line and the second central line are coincident, if so, judging that the coiled material to be processed does not need centering control processing, and if not, judging that the coiled material to be processed possibly needs centering control processing;
the image analysis module is used for acquiring a first preset point on the first central line and acquiring a second preset point on the second central line when judging that the coiled material to be processed possibly needs centering control processing;
the image analysis module is used for calculating the linear distance between the first preset point and the second preset point and judging whether the coiled material to be processed needs centering control processing or not according to the relation between the linear distance and a linear distance threshold value;
The image analysis module is used for judging that the coiled material to be processed does not need centering control treatment when the linear distance is smaller than or equal to the linear distance threshold value;
And the image analysis module is used for judging that the coiled material to be processed needs centering control processing when the linear distance is larger than the linear distance threshold value.
Further, the centering determination module is configured to:
the centering determining module is used for determining an offset gesture of the coiled material to be processed, wherein the offset gesture comprises a first offset gesture, a second offset gesture and a third offset gesture;
The centering determining module is used for sending out early warning reminding in real time when the coiled material to be processed is in a first offset posture;
The centering determining module is used for determining a first offset angle, a first centering rod and a second centering rod between the coiled material to be processed and the second central line when the coiled material to be processed is in a second offset posture;
The centering determining module is used for setting a first centering pushing amount of the first centering rod and the second centering rod according to the first offset angle;
The centering determining module is used for determining a second offset angle, a third centering rod and a fourth centering rod between the coiled material to be processed and the second central line when the coiled material to be processed is in a third offset posture;
the centering determination module is used for setting a second centering pushing amount of the third centering rod and the fourth centering rod according to the second offset angle.
Further, the centering determination module is configured to:
the centering determining module is used for presetting a first preset offset angle and a second preset offset angle;
the centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod according to the relation among the first offset angle, the first preset offset angle and the second preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P1 when the first offset angle is smaller than or equal to the first preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P2 when the first offset angle is larger than the first preset offset angle and the first offset angle is smaller than or equal to the second preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P3 when the first offset angle is larger than or equal to the second preset offset angle; wherein P1< P2< P3.
Further, the method further comprises the following steps:
the speed acquisition module is used for acquiring the conveying speed V of the coiled material conveying device;
the first calculation module is used for acquiring conveying information of the coiled material conveying device and behavior information of the coiled material to be processed, and calculating offset influence factors of the coiled material conveying device on the coiled material to be processed according to the conveying information and the behavior information;
and the speed adjusting module is used for adjusting the conveying speed of the coiled material conveying device according to the offset influence factor generated by the coiled material to be processed.
Further, the first computing module includes:
A time acquisition unit configured to acquire the number of times from when the web conveying apparatus starts conveying to when the web conveying apparatus ends conveying;
the behavior acquisition unit is used for acquiring offset behaviors or normal behaviors corresponding to the coiled material to be processed at each moment;
The behavior analysis unit is used for performing behavior analysis on the offset behaviors and determining offset distances corresponding to each offset behavior based on analysis results;
The set construction unit is used for constructing an offset distance set according to all the offset distances;
The quantity counting unit is used for counting the quantity of the moments corresponding to the offset behaviors and the quantity of the moments corresponding to the normal behaviors respectively;
A first calculating unit for calculating an offset influence factor of the coiled material conveying device according to the offset distance set, the time quantity corresponding to the offset behavior and the time quantity corresponding to the normal behavior,
Calculating an offset impact factor of the web conveying apparatus according to:
；
Wherein h is an offset influence factor of the coil conveying device, t1 is a time number corresponding to offset behavior, t2 is a time number corresponding to normal behavior, t1+t2=n, n is a time number from start to end of conveying of the coil conveying device, li is an ith offset distance in an offset distance set, lmax is a largest offset distance in the offset distance set, a is a first calculated conversion coefficient, b is a second calculated conversion coefficient, and a+b=1.
Further, the speed adjustment module is specifically configured to:
The speed adjusting module is used for calculating a product value V multiplied by h between the conveying speed V of the coiled material conveying device and the offset influence factor h of the coiled material conveying device, and taking the product value V multiplied by h as the adjusting conveying speed of the coiled material conveying device.
Further, the method further comprises the following steps:
the time acquisition module is used for acquiring the processing time interval of the next coiled material to be processed;
The speed compensation module is used for carrying out speed compensation on the adjusting conveying speed V multiplied by h of the coiled material conveying device according to the processing time interval to obtain the target adjusting speed of the coiled material conveying device;
And the device control module is used for controlling the coiled material conveying device based on the target adjusting speed.
Further, the speed compensation module is specifically configured to:
the speed compensation module is used for presetting a first preset processing time interval and a second preset processing time interval;
the speed compensation module is used for carrying out speed compensation on the adjusting conveying speed V multiplied by h of the coiled material conveying device according to the relation among the processing time interval, the first preset processing time interval and the second preset processing time interval;
The speed compensation module is used for selecting a first preset compensation coefficient y1 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is smaller than or equal to the first preset processing time interval, so as to obtain a target adjusting speed V x h x y1 of the coiled material conveying device;
The speed compensation module is used for selecting a second preset compensation coefficient y2 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is larger than the first preset processing time interval and the processing time interval is smaller than or equal to the second preset processing time interval, so as to obtain a target adjusting speed V x h x y2 of the coiled material conveying device;
The speed compensation module is used for selecting a third preset compensation coefficient y3 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is greater than or equal to the second preset processing time interval, so as to obtain a target adjusting speed V x h x y3 of the coiled material conveying device; wherein 1.2< y1< y2< y3<0.8.
Compared with the prior art, the invention has the beneficial effects that:
The invention discloses an intelligent automatic centering control system, which comprises: the device comprises a coiled material conveying device, an image shooting module, an image analysis module and a centering determination module. The coiled material conveying device is used for conveying coiled materials to be processed to the coil roller; the image shooting module is used for shooting images of the coiled material to be processed and obtaining real-time images of the coiled material to be processed; the image analysis module is used for carrying out image analysis on the real-time image and judging whether the coiled material to be processed needs centering control processing or not based on an analysis result; the centering determination module is used for determining the offset gesture of the coiled material to be processed when the coiled material to be processed needs centering control processing, collecting corresponding centering information based on the offset gesture, and setting a centering control scheme of the coiled material to be processed according to the centering information.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 shows a schematic structural diagram of an intelligent automatic centering control system in an embodiment of the present invention;
FIG. 2 shows a schematic structural view of a first offset attitude of a coil to be processed in an embodiment of the invention;
FIG. 3 shows a schematic structural view of a second offset attitude of a coil to be processed in an embodiment of the invention;
FIG. 4 shows a schematic structural view of a third offset attitude of a coil to be processed in an embodiment of the invention;
100, a coil conveying device; 110. coiled materials to be processed; 120. a first centerline; 130. a second centerline; 140. a first centering rod; 150. a second centering rod; 160. a third centering rod; 170. a fourth centering rod; w1, a first offset angle; w2, a second offset angle, D1 and a first preset point; d2, a second preset point.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the invention, taken in conjunction with the accompanying drawings.
As shown in fig. 1-4, an embodiment of the present invention discloses an intelligent automatic centering control system, including: the web conveying apparatus 100, the image capturing module, the image analyzing module, and the centering determining module.
In some embodiments of the application, the coil transport device 100 is used to transport a coil 110 to be processed to a roll; the image shooting module is used for shooting an image of the coiled material 110 to be processed and obtaining a real-time image of the coiled material 110 to be processed; the image analysis module is used for carrying out image analysis on the real-time image and judging whether the coiled material 110 to be processed needs centering control processing or not based on an analysis result; the centering determination module is configured to determine an offset gesture of the coil 110 to be processed when the coil 110 to be processed needs centering control processing, collect corresponding centering information based on the offset gesture, and set a centering control scheme of the coil 110 to be processed according to the centering information.
In this embodiment, the coil conveying apparatus 100 may be a conveyor belt, a plate chain, a double speed chain, or the like.
In this embodiment, a roll (not shown) is used to roll the coil 110 to be processed.
In this embodiment, the image capturing module may be a CCD camera, a digital imaging camera, or the like.
The beneficial effects of the technical scheme are as follows: the invention can realize intelligent centering control of the coiled material 110 to be processed, effectively improve centering control precision and efficiency, avoid unnecessary waste and loss, and further improve product quality.
In some embodiments of the present application, the image analysis module is specifically configured to:
The image analysis module is configured to obtain a first center line 120 of the coiled material 110 to be processed and a second center line 130 of the coiled material conveying device 100, determine whether the first center line 120 and the second center line 130 coincide, if so, determine that the coiled material 110 to be processed does not need centering control processing, and if not, determine that the coiled material 110 to be processed may need centering control processing;
The image analysis module is configured to obtain a first preset point on the first center line 120 and obtain a second preset point on the second center line 130 when it is determined that the coil 110 to be processed may need centering control processing;
The image analysis module is configured to calculate a linear distance between the first preset point and the second preset point, and determine whether the coiled material 110 to be processed needs centering control processing according to a relationship between the linear distance and a linear distance threshold;
the image analysis module is configured to determine that the coil 110 to be processed does not need centering control processing when the linear distance is less than or equal to the linear distance threshold;
The image analysis module is configured to determine that the coil 110 to be processed needs centering control processing when the linear distance is greater than the linear distance threshold.
In this embodiment, the first center line 120 of the coil 110 to be processed may be determined according to the specification of the coil 110 to be processed, and if the width of the coil 110 to be processed is 40 cm, the center line of the coil 110 to be processed is located at 20 cm, which is shown by way of example and not limited specifically.
In the present embodiment, the above-described determination method may be adopted for the second center line 130 of the web conveying apparatus 100.
In the present embodiment, in actual cases, when the coil 110 to be processed is centered, a certain offset is allowed, and normal curling operation is not affected at this time, and therefore, the linear distance threshold is set.
The beneficial effects of the technical scheme are as follows: the invention judges whether the coiled material 110 to be processed needs centering control processing according to the relation between the linear distance and the linear distance threshold value, can improve the curling efficiency and avoid invalid centering control while ensuring the centering work of the coiled material 110 to be processed.
In some embodiments of the application, the centering determination module is to:
the centering determination module is configured to determine an offset pose of the coil 110 to be processed, wherein the offset pose includes a first offset pose, a second offset pose, and a third offset pose;
The centering determining module is used for sending out early warning reminding in real time when the coiled material 110 to be processed is in a first offset posture;
The centering determination module is configured to determine a first offset angle, a first centering bar 140, and a second centering bar 150 between the web 110 to be processed and the second centerline 130 when the web 110 to be processed is in a second offset attitude;
The centering determination module is configured to set a first centering pushing amount of the first centering rod 140 and the second centering rod 150 according to the first offset angle;
The centering determination module is configured to determine a second offset angle, a third centering bar 160, and a fourth centering bar 170 between the web 110 to be processed and the second centerline 130 when the web 110 to be processed is in a third offset attitude;
The centering determination module is configured to set a second amount of centering pushing of the third centering rod 160 and the fourth centering rod 170 according to the second offset angle.
In this embodiment, the offset positions of the coil 110 to be processed include a first offset position, a second offset position, and a third offset position, each of which corresponds to a different centering method.
In this embodiment, when the coil 110 to be processed is in the first offset posture, the coil 110 to be processed is completely perpendicular to the coil conveying device 100, and at this time, a fault may exist, and an early warning prompt is sent to be processed by a worker for the next step.
In this embodiment, the first centering bar 140 and the second centering bar 150 are used for centering when the web 110 to be processed is in the second offset position.
In this embodiment, the third centering bar 160 and the fourth centering bar 170 are used to center the web 110 to be processed when in the third offset position.
The beneficial effects of the technical scheme are as follows: according to the invention, different centering control schemes are determined through different offset postures of the coiled material 110 to be processed, so that the intellectualization of centering control can be improved, the targeted control is realized, and the centering control accuracy is ensured.
In some embodiments of the application, the centering determination module is to:
the centering determining module is used for presetting a first preset offset angle and a second preset offset angle;
The centering determination module is configured to set a first centering pushing amount of the first centering rod 140 and the second centering rod 150 according to a relationship among the first offset angle, the first preset offset angle, and the second preset offset angle;
The centering determination module is configured to set a first centering pushing amount of the first centering lever 140 and the second centering lever 150 to P1 when the first offset angle is less than or equal to the first preset offset angle;
The centering determination module is configured to set a first centering pushing amount of the first centering lever 140 and the second centering lever 150 to P2 when the first offset angle is greater than the first preset offset angle and the first offset angle is less than or equal to the second preset offset angle;
The centering determination module is configured to set a first centering pushing amount of the first centering lever 140 and the second centering lever 150 to P3 when the first offset angle is greater than or equal to the second preset offset angle; wherein P1< P2< P3.
In this embodiment, the first preset offset angle is smaller than the second preset offset angle.
The beneficial effects of the technical scheme are as follows: the first centering pushing amounts of the first centering rod 140 and the second centering rod 150 are set according to the relation among the first offset angle, the first preset offset angle and the second preset offset angle, so that the centering control precision can be improved, and the intelligent centering control of the coiled material 110 to be processed is ensured.
In some embodiments of the present application, when the centering determination module sets the second centering pushing amounts of the third centering rod 160 and the fourth centering rod 170 according to the second offset angle, a specific setting method is as follows:
the centering determining module is used for presetting a first preset offset angle and a second preset offset angle;
the centering determination module is configured to set a second centering pushing amount of the third centering rod 160 and the fourth centering rod 170 according to a relationship among the second offset angle, the first preset offset angle, and the second preset offset angle;
The centering determination module is configured to set a second centering pushing amount of the third centering rod 160 and the fourth centering rod 170 to P1 when the second offset angle is less than or equal to the first preset offset angle;
the centering determination module is configured to set a second centering pushing amount of the third centering rod 160 and the fourth centering rod 170 to P2 when the second offset angle is greater than the first preset offset angle and the second offset angle is less than or equal to the second preset offset angle;
the centering determination module is configured to set a second centering pushing amount of the third centering rod 160 and the fourth centering rod 170 to P3 when the second offset angle is greater than or equal to the second preset offset angle; wherein P1< P2< P3.
In some embodiments of the application, further comprising:
A speed acquisition module for acquiring a conveying speed V of the coil conveying device 100;
a first calculating module, configured to obtain conveying information of the coil conveying device 100 and behavior information of the coil 110 to be processed, and calculate an offset influencing factor of the coil conveying device 100 on the coil 110 to be processed according to the conveying information and the behavior information;
and the speed adjusting module is used for adjusting the conveying speed of the coiled material conveying device 100 according to the offset influence factor generated by the coiled material 110 to be processed.
In the present embodiment, the conveyance information of the web conveying apparatus 100 means the number of times the web conveying apparatus 100 starts conveyance to ends conveyance.
In this embodiment, the behavior information of the coil 110 to be processed refers to the offset behavior or the normal behavior corresponding to each moment of the coil 110 to be processed, and is determined to be the offset behavior when the coil 110 to be processed needs centering control processing, and is determined to be the normal behavior when the coil 110 to be processed does not need centering control processing.
In this embodiment, the offset influence factor refers to the influence of the coil conveying device 100 on the coil 110 to be processed, and when the offset influence factor is larger, the current coil conveying device 100 has a larger influence on the coil 110 to be processed, the offset behavior is more, whereas when the offset influence factor is smaller, the current coil conveying device 100 has a smaller influence on the coil 110 to be processed, the offset behavior is less.
The beneficial effects of the technical scheme are as follows: according to the invention, the offset influence factor of the coil conveying device 100 to be processed on the coil 110 is calculated according to the conveying information and the behavior information, and the conveying speed of the coil conveying device 100 is regulated according to the offset influence factor of the coil 110 to be processed, so that the number of times of centering control processing can be reduced, the curling efficiency of the coil 110 to be processed is improved, and the workload is reduced.
In some embodiments of the application, the first computing module comprises:
a time acquisition unit configured to acquire the number of times from when the web conveying apparatus 100 starts conveying to when the web conveying apparatus ends conveying;
a behavior acquisition unit, configured to acquire an offset behavior or a normal behavior corresponding to each moment of the coiled material 110 to be processed;
The behavior analysis unit is used for performing behavior analysis on the offset behaviors and determining offset distances corresponding to each offset behavior based on analysis results;
The set construction unit is used for constructing an offset distance set according to all the offset distances;
The quantity counting unit is used for counting the quantity of the moments corresponding to the offset behaviors and the quantity of the moments corresponding to the normal behaviors respectively;
A first calculation unit for calculating an offset influence factor of the web conveying apparatus 100 according to the offset distance set, the number of times corresponding to the offset behavior, and the number of times corresponding to the normal behavior,
The offset impact factor of the web conveying apparatus 100 is calculated according to the following equation:
；
Where h is an offset influence factor of the coil conveying apparatus 100, t1 is a time number corresponding to an offset behavior, t2 is a time number corresponding to a normal behavior, t1+t2=n, n is a time number from start to end of conveying of the coil conveying apparatus 100, li is an i-th offset distance in the offset distance set, lmax is a largest offset distance in the offset distance set, a is a first calculated conversion coefficient, b is a second calculated conversion coefficient, and a+b=1.
In this embodiment, the offset distance is calculated according to the first preset point and the second preset point.
In this embodiment, the number of times is in seconds, for example, the number of times corresponding to the offset behavior is 10 seconds, that is, the number of times from the judgment of the need to start the centering control of the coil 110 to be processed to the completion of the centering control.
The beneficial effects of the technical scheme are as follows: according to the invention, the offset influence factors of the coiled material conveying device 100 are calculated according to the offset distance set, the time quantity corresponding to the offset behavior and the time quantity corresponding to the normal behavior, so that the calculation accuracy of the offset influence factors can be ensured, a foundation is laid for the adjustment of the subsequent conveying speed, and reliable data support is provided.
In some embodiments of the application, the speed adjustment module is specifically configured to:
The speed adjustment module is configured to calculate a product value v×h between a conveying speed V of the web conveying apparatus 100 and a deviation influencing factor h of the web conveying apparatus 100, and take the product value v×h as an adjusted conveying speed of the web conveying apparatus 100.
In some embodiments of the application, further comprising:
a time acquisition module, configured to acquire a processing time interval of the next coil 110 to be processed;
a speed compensation module, configured to perform speed compensation on the adjusted conveying speed v×h of the coil conveying device 100 according to the processing time interval, so as to obtain a target adjusted speed of the coil conveying device 100;
And a device control module for controlling the web conveying device 100 based on the target adjustment speed.
In this embodiment, the processing time interval is set in seconds, for example, 120 seconds or 130 seconds, and may be specifically set according to practical situations.
In some embodiments of the application, the speed compensation module is specifically configured to:
the speed compensation module is used for presetting a first preset processing time interval and a second preset processing time interval;
The speed compensation module is used for performing speed compensation on the adjusting conveying speed V multiplied by h of the coiled material conveying device 100 according to the relation among the processing time interval, the first preset processing time interval and the second preset processing time interval;
The speed compensation module is configured to select a first preset compensation coefficient y1 to perform speed compensation on the adjusted conveying speed v×h of the coil conveying device 100 when the processing time interval is less than or equal to the first preset processing time interval, so as to obtain a target adjusted speed v×h×y1 of the coil conveying device 100;
The speed compensation module is configured to select a second preset compensation coefficient y2 to perform speed compensation on the adjusted conveying speed v×h of the coil conveying device 100 when the processing time interval is greater than the first preset processing time interval and the processing time interval is less than or equal to the second preset processing time interval, so as to obtain a target adjusted speed v×h×y2 of the coil conveying device 100;
the speed compensation module is configured to select a third preset compensation coefficient y3 to perform speed compensation on the adjusted conveying speed v×h of the coil conveying device 100 when the processing time interval is greater than or equal to the second preset processing time interval, so as to obtain a target adjusted speed v×h×y3 of the coil conveying device 100; wherein 1.2< y1< y2< y3<0.8.
In this embodiment, the first preset processing time interval is smaller than the second preset processing time interval.
The beneficial effects of the technical scheme are as follows: the invention carries out speed compensation on the regulation conveying speed V x h of the coiled material conveying device 100 according to the relation among the processing time interval, the first preset processing time interval and the second preset processing time interval to obtain the target regulation speed V x h x ym, m=1, 2 and 3 of the coiled material conveying device 100, wherein ym can refer to a first preset compensation coefficient or a second preset compensation coefficient or a third preset compensation coefficient, and is specifically selected according to the relation among the processing time interval, the first preset processing time interval and the second preset processing time interval.
In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the entire description of these combinations is not made in the present specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Those of ordinary skill in the art will appreciate that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An intelligent automatic centering control system, comprising:
the coiled material conveying device is used for conveying coiled materials to be processed to the coil roller;
The image shooting module is used for shooting images of the coiled material to be processed and obtaining real-time images of the coiled material to be processed;
the image analysis module is used for carrying out image analysis on the real-time image and judging whether the coiled material to be processed needs centering control treatment or not based on an analysis result;
The centering determining module is used for determining the offset gesture of the coiled material to be processed when the coiled material to be processed needs centering control processing, collecting corresponding centering information based on the offset gesture, and setting a centering control scheme of the coiled material to be processed according to the centering information;
the speed acquisition module is used for acquiring the conveying speed V of the coiled material conveying device;
the first calculation module is used for acquiring conveying information of the coiled material conveying device and behavior information of the coiled material to be processed, and calculating offset influence factors of the coiled material conveying device on the coiled material to be processed according to the conveying information and the behavior information;
The speed adjusting module is used for adjusting the conveying speed of the coiled material conveying device according to the offset influence factor generated by the coiled material to be processed;
The first computing module includes:
A time acquisition unit configured to acquire the number of times from when the web conveying apparatus starts conveying to when the web conveying apparatus ends conveying;
the behavior acquisition unit is used for acquiring offset behaviors or normal behaviors corresponding to the coiled material to be processed at each moment;
The behavior analysis unit is used for performing behavior analysis on the offset behaviors and determining offset distances corresponding to each offset behavior based on analysis results;
The set construction unit is used for constructing an offset distance set according to all the offset distances;
The quantity counting unit is used for counting the quantity of the moments corresponding to the offset behaviors and the quantity of the moments corresponding to the normal behaviors respectively;
A first calculating unit for calculating an offset influence factor of the coiled material conveying device according to the offset distance set, the time quantity corresponding to the offset behavior and the time quantity corresponding to the normal behavior,
Calculating an offset impact factor of the web conveying apparatus according to:
；
Wherein h is an offset influence factor of the coil conveying device, t1 is a time quantity corresponding to offset behavior, t2 is a time quantity corresponding to normal behavior, t1+t2=n, n is a time quantity from start to end of conveying of the coil conveying device, li is an ith offset distance in an offset distance set, lmax is a largest offset distance in the offset distance set, a is a first calculated conversion coefficient, b is a second calculated conversion coefficient, and a+b=1;
The speed adjusting module is used for calculating a product value V multiplied by h between the conveying speed V of the coiled material conveying device and the offset influence factor h of the coiled material conveying device, and taking the product value V multiplied by h as the adjusting conveying speed of the coiled material conveying device;
the time acquisition module is used for acquiring the processing time interval of the next coiled material to be processed;
The speed compensation module is used for carrying out speed compensation on the adjusting conveying speed V multiplied by h of the coiled material conveying device according to the processing time interval to obtain the target adjusting speed of the coiled material conveying device;
A device control module for controlling the web conveying device based on the target adjustment speed;
the speed compensation module is used for presetting a first preset processing time interval and a second preset processing time interval;
the speed compensation module is used for carrying out speed compensation on the adjusting conveying speed V multiplied by h of the coiled material conveying device according to the relation among the processing time interval, the first preset processing time interval and the second preset processing time interval;
The speed compensation module is used for selecting a first preset compensation coefficient y1 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is smaller than or equal to the first preset processing time interval, so as to obtain a target adjusting speed V x h x y1 of the coiled material conveying device;
The speed compensation module is used for selecting a second preset compensation coefficient y2 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is larger than the first preset processing time interval and the processing time interval is smaller than or equal to the second preset processing time interval, so as to obtain a target adjusting speed V x h x y2 of the coiled material conveying device;
The speed compensation module is used for selecting a third preset compensation coefficient y3 to perform speed compensation on the adjusting conveying speed V x h of the coiled material conveying device when the processing time interval is greater than or equal to the second preset processing time interval, so as to obtain a target adjusting speed V x h x y3 of the coiled material conveying device; wherein 1.2< y1< y2< y3<0.8.
2. The intelligent automatic centering control system of claim 1, wherein the image analysis module is specifically configured to:
The image analysis module is used for acquiring a first central line of the coiled material to be processed and a second central line of the coiled material conveying device, judging whether the first central line and the second central line are coincident, if so, judging that the coiled material to be processed does not need centering control processing, and if not, judging that the coiled material to be processed possibly needs centering control processing;
the image analysis module is used for acquiring a first preset point on the first central line and acquiring a second preset point on the second central line when judging that the coiled material to be processed possibly needs centering control processing;
the image analysis module is used for calculating the linear distance between the first preset point and the second preset point and judging whether the coiled material to be processed needs centering control processing or not according to the relation between the linear distance and a linear distance threshold value;
The image analysis module is used for judging that the coiled material to be processed does not need centering control treatment when the linear distance is smaller than or equal to the linear distance threshold value;
And the image analysis module is used for judging that the coiled material to be processed needs centering control processing when the linear distance is larger than the linear distance threshold value.
3. The intelligent automatic centering control system of claim 2, wherein the centering determination module is configured to:
the centering determining module is used for determining an offset gesture of the coiled material to be processed, wherein the offset gesture comprises a first offset gesture, a second offset gesture and a third offset gesture;
The centering determining module is used for sending out early warning reminding in real time when the coiled material to be processed is in a first offset posture;
The centering determining module is used for determining a first offset angle, a first centering rod and a second centering rod between the coiled material to be processed and the second central line when the coiled material to be processed is in a second offset posture;
The centering determining module is used for setting a first centering pushing amount of the first centering rod and the second centering rod according to the first offset angle;
The centering determining module is used for determining a second offset angle, a third centering rod and a fourth centering rod between the coiled material to be processed and the second central line when the coiled material to be processed is in a third offset posture;
the centering determination module is used for setting a second centering pushing amount of the third centering rod and the fourth centering rod according to the second offset angle.
4. The intelligent automatic centering control system of claim 3, wherein the centering determination module is configured to:
the centering determining module is used for presetting a first preset offset angle and a second preset offset angle;
the centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod according to the relation among the first offset angle, the first preset offset angle and the second preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P1 when the first offset angle is smaller than or equal to the first preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P2 when the first offset angle is larger than the first preset offset angle and the first offset angle is smaller than or equal to the second preset offset angle;
The centering determination module is used for setting a first centering pushing amount of the first centering rod and the second centering rod to be P3 when the first offset angle is larger than or equal to the second preset offset angle; wherein P1< P2< P3.
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