CN110609522A - Machine parameter acquisition device - Google Patents
Machine parameter acquisition device Download PDFInfo
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- CN110609522A CN110609522A CN201810622290.1A CN201810622290A CN110609522A CN 110609522 A CN110609522 A CN 110609522A CN 201810622290 A CN201810622290 A CN 201810622290A CN 110609522 A CN110609522 A CN 110609522A
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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], computer integrated manufacturing [CIM]
- G05B19/4183—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], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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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
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31282—Data acquisition, BDE MDE
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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
- 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
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a device for capturing machine parameters, comprising: the image template storage circuit can store a plurality of operation picture templates; the image comparison circuit is arranged for comparing the current operation picture of the processing machine with the plurality of operation picture templates so as to find out a target operation picture template corresponding to the current operation picture; the parameter identification circuit is arranged to define one or more target areas corresponding to the target operation picture template in the current operation picture and identify the image content of the one or more target areas so as to generate one or more operation parameters; the parameter identification circuit can transmit one or more operation parameters to the machine state monitoring device through the parameter transmission circuit. The purpose of monitoring the operation parameters of the machine is to manage the stability of the operation process of the processing machine, to ensure the quality of the processed product and to avoid the improper setting of wrong production conditions by operators.
Description
Technical Field
The present invention relates to a production line control system, and more particularly, to a device for capturing parameters of a machine in a production line control system.
Background
In order to achieve the objective of industrial 4.0 intelligent production and precise quality management, the objective of factory information management is to monitor and analyze whether the operating parameters of all the processing machines in each production line meet the standard processing conditions, so as to effectively manage all the processing machines in the factory to operate under normal production conditions.
However, many of the old machines still in production line use more traditional circuit structure, and it is difficult to output the operation parameters in a uniform format, even though the original design of many machines does not provide the function of outputting the operation parameters. Therefore, it is still difficult to effectively integrate these old tools into industrial 4.0 smart production systems.
On the other hand, some manufacturers of processing machines provide related machine warranty services to users, but under the condition that the operation parameters of old processing machines cannot be effectively monitored at any time, relevant disputes in machine warranty responsibility are often generated between the machine manufacturers and the users because whether the machine is improperly used due to no clear cleaning.
Disclosure of Invention
Accordingly, how to capture the operating parameters of the old processing tools in a convenient and efficient manner is a problem to be solved.
The present disclosure provides an embodiment of a device for capturing machine parameters, which is used to capture operating parameters of a processing machine. The device for capturing parameters of machine comprises: the image template storage circuit is arranged to store a plurality of operation picture templates; the image comparison circuit is coupled with the image template storage circuit and is used for comparing the current operation picture of the processing machine with the plurality of operation picture templates so as to find out a target operation picture template corresponding to the current operation picture; and a parameter identification circuit, coupled to the image comparison circuit, configured to define one or more target areas corresponding to the target operation screen template in the current operation screen, and identify image content of the one or more target areas to generate one or more operation parameters; the parameter identification circuit is also configured to transmit the one or more operation parameters to the machine state monitoring device through the parameter transmission circuit.
One advantage of the above embodiment is that even though the original design of the processing machine does not provide the function of outputting the operation parameters, the machine parameter capturing device can indirectly obtain the operation parameters of the processing machine by using the image comparison and identification method.
Another advantage of the above embodiment is that the process of the machine parameter capturing device capturing the operation parameters of the processing machine does not interfere or affect the operation of the processing machine, and the generated operation parameters can reflect whether the processing machine is improperly set and obtain the real-time operating status.
Another advantage of the above embodiment is that the machine parameter capturing device is used to continuously capture all the operating parameters of the processing machine during a specific period, which can be used as objective data for the manufacturer and user of the processing machine in determining whether the processing machine is being used excessively.
Other advantages of the present invention will be explained in more detail in conjunction with the following description and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.
Fig. 1 is a simplified functional block diagram of a production line control system according to an embodiment of the present invention.
Fig. 2 is a simplified schematic diagram of an embodiment of the image template stored in the image template storage circuit of fig. 1.
FIG. 3 is a simplified diagram of a starting frame template according to an embodiment of the present invention.
FIG. 4 is a simplified diagram of a starting picture template according to another embodiment of the present invention.
Fig. 5 is a simplified schematic diagram of an operation screen template according to an embodiment of the present invention.
Fig. 6 is a simplified schematic diagram of an operation screen template according to another embodiment of the present invention.
FIG. 7 is a simplified flowchart of a method for retrieving parameters of a tool according to an embodiment of the present invention.
Fig. 8 is a simplified schematic diagram of an embodiment of a current operation screen of the processing tool shown in fig. 1.
Fig. 9 is a simplified schematic diagram of another embodiment of the current operation screen of the processing tool shown in fig. 1.
FIG. 10 is a simplified flowchart of a method for retrieving parameters of a tool according to another embodiment of the present invention.
Fig. 11 is a simplified functional block diagram of a production line control system according to another embodiment of the present invention.
Description of the symbols:
100 line control system (production line control system)
110 processing machine (processing machine)
111 display (display)
113 control circuit (control circuit)
115 drive circuit (driving circuit)
117 motor (motor)
119 mechanical arm (robot arm)
120 video signal splitter (video signal splitter)
130 machine parameter retrieving device (machine parameter extracting device)
131 image acquisition circuit (image acquisition circuit)
132 image template storage circuit (image template storage circuit)
133 image comparison circuit (image compare circuit)
134 parameter identification circuit (parameter recognition circuit)
135 parameter transmission circuit (parameter transmitting circuit)
136 parameter storing circuit (parameter storing circuit)
140 machine station state monitoring device (machine station motoring device)
202 first-level template group (first-level template group)
204 second level template group (second-level template group)
210. 220 initial screen template (initial screen template)
212. 214, 222, 224 operation screen template (operating screen template)
310 to 330, 410 to 460, 510 to 550, 610 to 660, 810 to 840, 910 to 950 image areas (image areas)
Operation flow (operation) of 702 to 712, 1008
800. 900 current operation screen
1137 network communication circuit (network communication circuit)
1150 network (network)
1160 image template server (image template server)
Detailed Description
Embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawings, the same reference numbers indicate the same or similar elements or process flows.
Fig. 1 is a simplified functional block diagram of a production line control system 100 according to an embodiment of the present invention. The production line control system 100 includes a processing machine 110, an image signal splitter 120, a machine parameter capturing device 130, and a machine status monitoring device 140.
As shown in fig. 1, the processing tool 110 in this embodiment includes a display 111, a control circuit 113, a driving circuit 115, one or more motors 117, and one or more robots 119.
The display 111 is used for displaying the related operation screen of the processing machine 110. The control circuit 113 is coupled to the display for controlling the operation of the processing machine 110. In some embodiments, the display 111 may be implemented by a touch panel, so that an operator of the machine may issue related operation instructions to the control circuit 113 or set/adjust related operation parameters of the processing machine by operating the display 111. The driving circuit 115 is coupled to the control circuit 113, and is configured to drive the motor 117 and the robot 119 to perform related operations according to a control signal generated by the control circuit 113.
In practical applications, the processing machine 110 can be any existing machine in various manufacturing industries, such as a plastic injection molding machine, a mold temperature machine, a baking machine, a metal heat treatment machine, a washing machine, a lathe, a grinding machine, a lathe/washing machine combination machine, a woodworking machine, an agricultural product baking machine, various quality inspection equipment, and the like.
As shown in fig. 1, the image signal splitter 120 is coupled between the display 111 and the control circuit 113 of the processing machine 110, and is configured to split the image signal transmitted between the display 111 and the control circuit 113 to the machine parameter capturing device 130, so that the machine parameter capturing device 130 can synchronously obtain the real-time image signal of the display 111. The video signal splitter 120 may be implemented by various suitable signal splitting circuits.
In the embodiment of fig. 1, the apparatus parameter capturing device 130 includes an image obtaining circuit 131, an image template storage circuit 132, an image comparison circuit 133, a parameter identification circuit 134, a parameter transmission circuit 135, and a parameter storage circuit 136.
The image capturing circuit 131 is coupled to the image signal splitter 120 through a suitable signal transmission interface, and is configured to generate a current operation frame synchronized with the display 111 of the processing tool 110 according to the image signal transmitted from the image signal splitter 120.
The image template storage circuit 132 is configured to store a plurality of image templates.
The image comparing circuit 133 is coupled to the image obtaining circuit 131 and the image template storage circuit 132, and configured to compare the current operation image generated by the image obtaining circuit 131 with the plurality of image templates stored in the image template storage circuit 132 to find a target template corresponding to the current operation image.
The parameter identification circuit 134 is coupled to the image comparison circuit 133, and configured to define a target area corresponding to the target template in the current operation screen and identify image content of the target area to generate one or more operation parameters.
The parameter transmitting circuit 135 is coupled to the parameter identifying circuit 134 and configured to transmit the operation parameter generated by the parameter identifying circuit 134 to the machine status monitoring device 140.
In the production line control system 100, no matter whether the original design of the processing machine 110 provides the function of outputting the operation parameters, the operation parameters of the processing machine 110 can be obtained by the matching operation of the image signal splitter 120 and the machine parameter capturing device 130, and transmitted to the machine state monitoring device 140 at the back end for various subsequent processes such as parameter collection, recording, monitoring, summarization, statistics, and analysis.
The different functional modules of the apparatus parameter capturing device 130 can be implemented by different circuits, or can be integrated into a single circuit. For example, the image capturing circuit 131, the image comparing circuit 133 and the parameter identifying circuit 134 may be integrated in a single circuit chip. For another example, the image template storage circuit 132 and the parameter storage circuit 136 may be integrated together and implemented by the same non-volatile storage device.
Before the machine parameter capturing device 130 starts capturing the operation parameters of the processing machine 110, the manufacturer or the user of the machine parameter capturing device 130 may store a plurality of image templates in the image template storage circuit 132 in advance for the image comparison circuit 133 to perform the image comparison.
Referring to fig. 2, a simplified diagram of an embodiment of a plurality of image templates stored in the image template storage circuit 132 is shown. In practice, the manufacturer, the user, or the image matching circuit 133 of the apparatus parameter capturing device 130 may divide the plurality of image templates stored in the image template storage circuit 132 into a plurality of template groups of different levels, such as the first-level template group 202 and the second-level template group 204 shown in fig. 2.
Each template group in the image template storage circuit 132 includes one or more image templates. For example, in the embodiment of FIG. 2, the first level template group 202 includes a plurality of image templates including image templates 210 and 220, and the second level template group 204 includes a plurality of image templates including image templates 212, 214, 222, and 224.
Generally, the display frames (e.g., the booting frame or the initial frame) of the processing machines of different models of the same brand may have common image contents in the initialization stage before the start of operation, and the display frames of the respective processing machines in the normal operation stage may have different frame arrangement modes according to different models, so that the processing machines of different models of the same brand may have different image contents in the normal operation stage. On the other hand, the display frames of the processing machines of different brands in the initialization stage before the start of operation usually have obvious differences.
In the present embodiment, each image template in the first-level template group 202 represents the common image content of the display frame of the initialization stage of different types of processing machines of a specific brand before starting operation. In other words, the different image templates in the first-level template group 202 may represent the image contents of the display frames of the processing machines of different brands in the initialization stage.
In addition, each image template in the second level template group 204 represents typical image content of a display frame of a specific model processing machine of a specific brand in a normal operation stage. In other words, the different image templates in the second level template group 204 may represent the image contents of the display frames of different types of processing machines in the normal operation stage.
For convenience of description, the image templates 210 and 220 in the first level template group 202 are respectively referred to as a first starting screen template 210 and a second starting screen template 220, and the image templates 212, 214, 222, and 224 in the second level template group 204 are respectively referred to as a first operation screen template 212, a second operation screen template 214, a third operation screen template 222, and a fourth operation screen template 224.
As can be seen from the foregoing description, the term "start frame template" refers to the common image content of the display frame during the initialization stage before the processing machine of a specific brand starts to operate, and the term "operation frame template" refers to the typical image content of the display frame during the normal operation stage of a processing machine of a specific model of a specific brand.
In the embodiment of fig. 2, the first start frame template 210 and the second start frame template 220 in the first level template group 202 respectively represent the image content of the display frame of the processing machines of different brands in the initialization stage, and the first operation frame template 212, the second operation frame template 214, the third operation frame template 222, and the fourth operation frame template 224 in the second level template group 204 respectively represent the image content of the display frame of the processing machines of different models in the normal operation stage.
In practice, the manufacturer, user, or image matching circuit 133 of the apparatus parameter capturing device 130 may associate the initial frame template corresponding to a specific processing apparatus brand in the first-stage template group 202 with one or more operation frame templates corresponding to different apparatus models of the specific processing apparatus brand in the second-stage template group 204.
For convenience of description, it is assumed that the first start frame template 210 in the first-level template group 202 is the common image content of the display frame of a certain manufacturer a processing machine in the initialization stage, the first operation frame template 212 in the second-level template group 204 is the typical image content of the display frame of a certain manufacturer a-M1 in the normal operation stage, and the second operation frame template 214 is the typical image content of the display frame of another manufacturer a-M2 in the normal operation stage.
In addition, it is assumed that the second start frame template 220 in the first-level template group 202 is the common image content of the display frame of the processing machine of another brand B in the initialization stage, the third operation frame template 222 in the second-level template group 204 is the typical image content of the display frame of the processing machine of a certain model B-Y1 of the brand B in the normal operation stage, and the fourth operation frame template 224 is the typical image content of the display frame of the processing machine of another model B-Y2 of the brand B in the normal operation stage.
Therefore, as shown in fig. 2, the manufacturer, user, or image matching circuit 133 of the apparatus parameter capturing device 130 can associate the first initial frame template 210 in the first-level template group 202 with the first operation frame template 212 and the second operation frame template 214 in the second-level template group 204, and associate the second initial frame template 220 in the first-level template group 202 with the third operation frame template 222 and the fourth operation frame template 224 in the second-level template group 204.
Please refer to fig. 3 to fig. 6. FIG. 3 is a simplified diagram of the first starting picture template 210 in FIG. 2. FIG. 4 is a simplified diagram of the second starting frame template 220 in FIG. 2. Fig. 5 is a simplified schematic diagram of an embodiment of the first operation screen template 212 in fig. 2. Fig. 6 is a simplified schematic diagram of an embodiment of the fourth operation screen template 224 in fig. 2.
In the embodiment of fig. 3, the first start frame template 210 is an image of a horizontal layout, and the image features include: the image area 310 directly above the screen is a long bar pattern of a specific color, the image area 320 above the right of the screen is an instruction area formed by a group of specific pattern keys, and the image area 330 at the bottom right of the screen is an identification mark of the brand a.
In the embodiment of FIG. 4, the second start frame template 220 is an image of a straight layout, and the image features thereof include: the image area 410 at the top left of the picture is the logo of the brand B, the image area 420 at the top center of the picture contains a plurality of display fields, the image area 430 at the bottom center of the picture contains a plurality of operation keys, the image area 440 at the bottom left of the picture contains a plurality of special function keys, the image area 450 at the right side of the image area 440 contains a plurality of audio control keys, and the image area 460 at the bottom right of the picture contains a power control key.
In the embodiment of fig. 5, the first operation screen template 212 is an image of a horizontal layout, and the image features thereof include: the image area 510 at the upper left of the middle display area of the frame includes a machine number field, the image area 520 at the upper right of the middle display area of the frame includes a date field and a time field, the image area 530 at the lower left of the middle display area of the frame includes a plurality of basic parameter fields, the image area 540 at the lower right of the middle display area of the frame includes a plurality of time fields, and the image area 550 at the lower left of the frame includes a command area formed by a plurality of specific graphics keys.
In the embodiment of fig. 6, the fourth operation screen template 224 is an image of a straight layout, and the image features thereof include: the image area 610 located at the upper right position in the image area 420 includes a machine number field, the image area 620 located at the upper left position in the image area 420 includes a cycle time field, the image area 630 located at the left position in the image area 420 includes a plurality of time fields and an exit position field, the image area 640 located at the middle right position in the image area 420 includes a date field and a time field, and the image area 650 located at the middle lower right position in the image area 420 includes a plurality of basic parameter fields.
The embodiments of fig. 3 to 6 are merely examples designed for the following description, and are not intended to limit the practical implementation of the present invention.
The operation of the device 130 will be further described with reference to fig. 7. FIG. 7 is a simplified flowchart of a method for retrieving parameters of a tool according to an embodiment of the present invention.
In the flowchart of fig. 7, the process in the column to which the specific device belongs represents the process performed by the specific device. For example, the part marked in the "image capturing circuit" field is the process performed by the image capturing circuit 131; the part marked in the column of "image matching circuit" is the process performed by the image matching circuit 133; the portion marked in the "parameter identification circuit" field is the process performed by the parameter identification circuit 134. The above described expression logic is also applicable to the subsequent flow charts.
During the initialization process of the processing tool 110, the image capturing circuit 131 of the tool parameter capturing device 130 proceeds to the process 702, and generates an initial frame according to the image signal transmitted from the image signal splitter 120 at that time.
In this way, the initial frame generated by the image capturing circuit 131 is substantially the same as the image frame displayed by the display 111 of the processing machine 110 at that time.
Then, the image comparing circuit 133 may proceed to process 704 to compare the initial frame generated by the image obtaining circuit 131 with the plurality of initial frame templates in the first-level template group 202 in the image template storage circuit 132 to find the target initial frame template corresponding to the initial frame.
In operation, the image matching circuit 133 may perform an image similarity matching operation between the initial frame and each initial frame template by using various suitable image matching algorithms.
In practice, the image matching circuit 133 can completely match the entire image content of each initial frame template with the initial frame.
Alternatively, when the image comparison circuit 133 compares the initial frame with any initial frame template, it may only compare the similarity between the initial frame and the initial frame template in the predetermined local image area, so as to save the required image comparison computation.
For example, when the image comparison circuit 133 compares the initial image with the first initial image template 210, only part or all of the contents of the image areas 310-330 in the first initial image template 210 may be compared with part or all of the contents of the corresponding image areas in the initial image.
For another example, when the image comparison circuit 133 compares the initial image with the second initial image template 220, only part or all of the contents of the image areas 410-460 in the second initial image template 220 may be compared with part or all of the contents of the corresponding image areas in the initial image.
After the comparison, if the image comparison circuit 133 determines that the initial image generated by the image acquisition circuit 131 is the same as or very similar to the first initial image template 210, the first initial image template 210 can be used as a target initial image template corresponding to the initial image, and accordingly it can be inferred that the brand of the processing machine 110 belongs to the brand a. If the image comparison circuit 133 determines that the initial frame is identical to or very similar to the second initial frame template 220, the second initial frame template 220 can be used as a target initial frame template corresponding to the initial frame, and accordingly it can be inferred that the brand of the processing machine 110 belongs to the brand B.
In other words, once the image matching circuit 133 finds the target starting frame template corresponding to the starting frame, it can be concluded that the processing tool 110 belongs to the brand.
Then, in the process of normal operation of the processing machine 110, the image obtaining circuit 131 may proceed to the process 706, and generate the current operation screen according to the image signal transmitted from the image signal splitter 120 at that time. In other words, the image capturing circuit 131 generates the image signal according to the current operation screen and the image signal according to the initial screen at different time points.
Next, the image comparing circuit 133 may perform a process 708 to compare the current operation screen generated by the image obtaining circuit 131 with the operation screen templates in the second-level template group 204 in the image template storage circuit 132 to find a target operation screen template corresponding to the current operation screen.
Similarly, the image matching circuit 133 can perform an image matching operation between the current operation screen and each operation screen template by using various suitable image matching algorithms.
In practice, the image comparison circuit 133 can completely compare the entire image content of each operation screen template with the current operation screen.
Alternatively, when comparing the current operation screen with any one of the operation screen templates, the image comparison circuit 133 may only compare the similarity between the current operation screen and the operation screen template in a predetermined local image region, so as to save the required image comparison computation.
For example, when the image comparison circuit 133 compares the current operation screen with the first operation screen template 212, only a part or all of the contents of the image areas 510 to 550 in the first operation screen template 212 may be compared with a part or all of the contents of the corresponding image area in the current operation screen.
For another example, when the image matching circuit 133 matches the current operation screen with the fourth operation screen template 224, only part or all of the contents of the image areas 610-660 in the fourth operation screen template 224 may be matched with part or all of the contents of the corresponding image areas in the current operation screen.
Please note that in the image comparison operation of the process 708, the image comparison circuit 133 only needs to compare the current operation screen with one or more operation screen templates associated with the target start screen template, but does not need to compare the current operation screen with other operation screen templates associated with other start screen templates.
For example, when the target start screen template is the first start screen template 210, the image matching circuit 133 only needs to match the current operation screen with the operation screen templates 212 to 214 associated with the first start screen template 210, but does not need to compare the current operation screen with the operation screen templates 222 to 224 associated with the second start screen template 220 in the process 708.
On the contrary, in the case that the target initial frame template is the second initial frame template 220, the image comparison circuit 133 only needs to compare the current operation frame with the operation frame templates 222 to 224 associated with the second initial frame template 220 in the process 708, but does not need to compare the current operation frame with the operation frame templates 212 to 214 associated with the first initial frame template 210.
After the comparison, if the image comparison circuit 133 determines that the current operation screen generated by the image acquisition circuit 131 is the same as or very similar to the first operation screen template 212, the first operation screen template 212 may be used as a target operation screen template corresponding to the current operation screen, and it can be inferred that the processing machine 110 is a model of a brand a, model a-M1. If the image comparison circuit 133 determines that the current operation screen is the same as or very similar to the fourth operation screen template 224, the fourth operation screen template 224 can be used as a target operation screen template corresponding to the current operation screen, and accordingly, it can be inferred that the processing machine 110 is a model of type B-Y2 belonging to the brand B.
In other words, once the image comparison circuit 133 finds the target operation screen template corresponding to the current operation screen, the specific model of the processing machine 110 can be inferred.
In the process 710, the parameter recognition circuit 134 defines one or more target areas corresponding to the target operation screen template in the current operation screen.
Then, the parameter identification circuit 134 proceeds to flow 712, where the image content of the one or more target areas in the current operation screen is identified to generate one or more operation parameters.
For example, as shown in fig. 8, if the target operation screen template is the first operation screen template 212, the parameter identification circuit 134 may define a plurality of target areas 810, 820, 830, and 840 corresponding to the image areas 510-540 of the first operation screen template 212 in the current operation screen 800 in the process 710. Then, the parameter identification circuit 134 performs image identification on the contents of the target areas 810-840 of the current operation screen 800 in the process 712 to generate a plurality of operation parameters.
In operation, the parameter recognition circuit 134 may employ various suitable image content recognition algorithms to convert the image content of each target region into corresponding text or numerical values.
Since the physical meanings of the image areas 510-540 in the first operation screen template 212 are given (given) to the parameter identification circuit 134, the parameter identification circuit 134 can respectively assign corresponding parameter names, physical meanings, and/or numerical units to a plurality of operation parameters generated by image identification according to the target areas 810-840 of the current operation screen 800 as required.
For another example, as shown in fig. 9, if the target operation screen template is the fourth operation screen template 224, the parameter recognition circuit 134 may define a plurality of target areas 910, 920, 930, 940, and 950 corresponding to the image areas 610-650 of the fourth operation screen template 224 in the current operation screen 900 in the process 710. Then, the parameter identification circuit 134 performs image identification on the contents of the target areas 910-950 of the current operation screen 900 in the flow 712 to generate a plurality of operation parameters.
Since the physical meanings of the image areas 510-540 in the fourth operation screen template 224 are given to the parameter identification circuit 134, the parameter identification circuit 134 can respectively assign corresponding parameter names, physical meanings, and/or numerical units to a plurality of operation parameters generated by image identification according to the target areas 910-950 of the current operation screen 900 as required.
In practice, the parameter identification circuit 134 may transmit the generated operation parameters to the tool state monitoring device 140 in real time through the parameter transmission circuit 135. Alternatively, the parameter identification circuit 134 may store the generated operation parameters in the parameter storage circuit 136, and the generated operation parameters are transmitted to the tool state monitoring device 140 in batches through the parameter transmission circuit 135 until a predetermined time point.
In operation, the apparatus parameter capturing device 130 may utilize the image capturing circuit 131, the image comparing circuit 133, or the parameter identifying circuit 134 to perform timing.
As shown in fig. 7, once the next parameter capturing time point is reached, the image capturing circuit 131, the image comparing circuit 133, and the parameter identifying circuit 134 may repeat the aforementioned operations of the processes 706, 708, 710, and 712 to generate the operation parameters of the processing tool 110 at another time point.
As can be seen from the above description, in the embodiment of fig. 7, the apparatus parameter capturing device 130 utilizes a two-stage image template comparison method to identify the brand name of the processing apparatus 110 according to the initial frame of the processing apparatus 110, and then identify the specific model of the processing apparatus 110 according to the operation frame of the processing apparatus 110. Then, the parameter identification circuit 134 identifies the current operation parameter of the processing tool 110 from the predetermined image area in the current operation screen of the processing tool 110.
Since the image comparison circuit 133 only needs to perform image comparison on one or more operation screen templates associated with the current operation screen and the target start screen template in the aforementioned process 708, and does not need to perform image comparison on the current operation screen and other operation screen templates, the required image comparison computation amount can be greatly saved, and the efficiency and speed of finding out the target operation screen template can be effectively improved.
In this way, the method for identifying the specific model of the processing machine 110 by using the two-stage image template comparison method not only can effectively reduce the image comparison computation required by the machine parameter capturing device 130, but also can improve the efficiency and speed of the machine parameter capturing device 130 in obtaining the operation parameters of the processing machine 110.
Please note that, the method for capturing parameters of the machine in the two-stage image template comparison manner in the embodiment of fig. 7 is only an exemplary embodiment and is not limited to the actual implementation of the present invention.
For example, fig. 10 is a simplified flowchart of a method for retrieving parameters of a tool according to another embodiment of the present invention. In the embodiment of fig. 10, the image template storage circuit 132 only stores the image templates of the second level template group 204 of fig. 2, but not stores the image templates of the first level template group 202, and the processes 702 and 704 of fig. 7 are omitted.
In the embodiment of fig. 10, the image capturing circuit 131 proceeds to the process 706 during the normal operation of the processing tool 110, and generates the current operation frame according to the image signal transmitted from the image signal splitter 120 at that time.
Next, the image comparison circuit 133 may perform a process 1008 to compare the current operation screen generated by the image obtaining circuit 131 with the plurality of operation screen templates 212, 214, 222, and 224 stored in the image template storage circuit 132 one by one to find a target operation screen template corresponding to the current operation screen.
The way and the variation of comparing the image similarity between the current operation screen and any operation screen template by the image comparison circuit 133 are the same as those in the related embodiment of fig. 7. For the sake of brevity, the description is not repeated here.
Once the image matching circuit 133 finds the target operation screen template corresponding to the current operation screen, the parameter identification circuit 134 proceeds to the processes 710 and 712 in FIG. 10. The foregoing description regarding the embodiments of flows 710 and 712 in fig. 7 and the associated advantages also apply to the embodiment of fig. 10. For the sake of brevity, the description is not repeated here.
Referring to fig. 11, a simplified functional block diagram of a production line control system 100 according to another embodiment of the invention is shown.
In the embodiment of fig. 11, the apparatus parameter acquiring device 130 further comprises a network communication circuit 1137 coupled to the image matching circuit 133. In the present embodiment, the image comparison circuit 133 may utilize the network communication circuit 1137 to receive the image templates required by the operation of the apparatus parameter capturing device 130, such as the aforementioned plurality of initial frame templates 210 and 220 and/or the aforementioned plurality of operation frame templates 212, 214, 222, and 224, from the remote image template server 1160 via the network 1150.
In some embodiments, the image comparison circuit 133 may also send the image template edited by the user to the image template server 1160 through the network communication circuit 1137 and the network 1150 for backup or sharing with other users. For example, assuming that the start frame templates 210 and 220 and the operation frame templates 212, 214, 222, and 224 stored in the image template storage circuit 132 are image templates edited by the user of the apparatus parameter capturing device 130 using a related computer program, the user may instruct the image comparison circuit 133 to transmit the image templates to the image template server 1160 via the network communication circuit 1137 and the network 1150 for backup or sharing with other users.
In other words, the apparatus parameter capturing device 130 can utilize the network communication circuit 1137 to perform a one-way or two-way image template transmission operation with the remote image template server 1160.
The foregoing descriptions regarding the connection, implementation, operation, and related advantages of other elements in fig. 1 also apply to the embodiment in fig. 11. For the sake of brevity, the description is not repeated here.
It should be noted that the structure of the processing machine 110 is only an exemplary embodiment and is not intended to limit the practical implementation of the present invention. In some embodiments, only a specific number of motors may be disposed in the processing machine, and no robot is disposed. In other embodiments, the processing machine may be provided with only a specific number of robots, and no motors.
As can be seen from the above description, the apparatus parameter capturing device 130 can indirectly obtain the operation parameters of the processing apparatus 110 by using image comparison and identification no matter whether the original design of the processing apparatus 110 provides the function of outputting the operation parameters. Therefore, even in the case of various old machines in the existing production environment, the machine parameter capturing device 130 can smoothly obtain the operation parameters.
Since the process of retrieving the operation parameters of the processing tool 110 by the tool parameter retrieving device 130 does not interfere with or affect the operation of the processing tool 110, the generated operation parameters can reflect the real-time operation status of the processing tool 110.
In addition, the machine parameter retrieving device 130 is used to continuously retrieve all the operation parameters of the processing machine 110 during a specific period, which can be used as objective data for the manufacturer and user of the processing machine 110 to determine whether the processing machine 110 is used excessively, thereby greatly reducing the possibility of disputes between the two parties regarding the derivation of warranty responsibility of the machine.
The present invention employs certain terms to refer to particular components, and those skilled in the art may refer to the same components by different terms. The present invention does not use the difference in names as a way of distinguishing elements, but uses the difference in functions of elements as a reference for distinguishing. The term "comprising" as used herein is intended to be open-ended, meaning "including, but not limited to. Also, the term "coupled" is intended to include any direct or indirect connection. Therefore, if a first element is coupled to a second element, the first element can be directly connected to the second element through an electrical connection or a signal connection such as wireless transmission or optical transmission, or indirectly connected to the second element through another element or a connection means.
The term "and/or" as used herein includes any combination of one or more of the listed items. In addition, any reference to singular is intended to include the plural unless the specification specifically states otherwise.
The above are only preferred embodiments of the present invention, and all equivalent changes and modifications made by the claims of the present invention should be covered by the present invention.
Claims (10)
1. A machine parameter acquisition apparatus (130) for acquiring operating parameters of a processing machine (110), the apparatus (130) comprising:
an image template storage circuit (132) configured to store a plurality of operation screen templates (212; 214; 222; 224);
an image comparison circuit (133), coupled to the image template storage circuit (132), configured to compare a current operation screen of the processing tool (110) with the plurality of operation screen templates (212; 214; 222; 224) to find a target operation screen template (212) corresponding to the current operation screen; and
a parameter identification circuit (134), coupled to the image comparison circuit (133), configured to define one or more target areas (810-840) corresponding to the target operation screen template (212) in the current operation screen, and identify image content of the one or more target areas (810-840) to generate one or more operation parameters;
the parameter identification circuit (134) is further configured to transmit the one or more operational parameters to the tool state monitoring device (140) via a parameter transmission circuit (135).
2. The apparatus (130) of claim 1, further comprising:
an image acquisition circuit (131), coupled to the image comparison circuit (133), configured to generate the current operation screen of the processing machine (110) according to an image signal transmitted from an image signal splitter (120) coupled to the processing machine (110), wherein the image signal splitter (120) is coupled between a display (111) and a control circuit (113) of the processing machine (110).
3. The apparatus (130) of claim 2, wherein the image comparison circuit (133) compares the similarity between the current operation screen and any one of the operation screen templates (212, 214, 222, 224) in a predetermined local image region when comparing the current operation screen with the operation screen template.
4. The apparatus (130) of claim 2, wherein the image template storage circuit (132) is further configured to store a plurality of start frame templates (210; 220), and the image acquisition circuit (131) is further configured to generate a start frame based on the image signal from the image signal splitter (120) at a previous time point prior to comparing the current operation frame;
the image comparison circuit (133) is further configured to compare the start image with the plurality of start image templates (210; 220) to find a target start image template (210) corresponding to the start image, and the image comparison circuit (133) compares the current operation image with one or more operation image templates (212; 214) corresponding to the target start image template (210) and does not compare the current operation image with one or more operation image templates (222; 224) corresponding to other start image templates (220) when comparing the current operation image.
5. The apparatus (130) of claim 4, wherein the image matching circuit (133) only matches the similarity between the initial frame and any of the plurality of initial frame templates (210; 220) in a predetermined local image region when matching the initial frame with the initial frame template.
6. The apparatus (130) of claim 4, further comprising:
a parameter storage circuit (136), coupled to the parameter identification circuit (134), configured to store the one or more operating parameters generated by the parameter identification circuit (134);
the parameter identification circuit (134) transmits the one or more operation parameters stored in the parameter storage circuit (136) to the machine state monitoring device (140) through the parameter transmission circuit (135) at a predetermined time point.
7. The apparatus (130) of claim 4, further comprising:
a network communication circuit (1137) coupled to the image comparison circuit (133);
the image comparison circuit (133) is further configured to receive the operation screen templates (212; 214; 222; 224) from the image template server (1160) through the network communication circuit (1137), or transmit the operation screen templates (212; 214; 222; 224) to the image template server (1160) through the network communication circuit (1137).
8. The apparatus (130) of claim 2, further comprising:
a parameter storage circuit (136), coupled to the parameter identification circuit (134), configured to store the one or more operating parameters generated by the parameter identification circuit (134);
the parameter identification circuit (134) transmits the one or more operation parameters stored in the parameter storage circuit (136) to the machine state monitoring device (140) through the parameter transmission circuit (135) at a predetermined time point.
9. The apparatus (130) of claim 2, further comprising:
a network communication circuit (1137) coupled to the image comparison circuit (133);
the image comparison circuit (133) is further configured to receive the operation screen templates (212; 214; 222; 224) from the image template server (1160) through the network communication circuit (1137), or transmit the operation screen templates (212; 214; 222; 224) to the image template server (1160) through the network communication circuit (1137).
10. The apparatus (130) of any of claims 2-9, wherein the apparatus (130) comprises the parameter transmission circuit (135).
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| CN201810622290.1A CN110609522A (en) | 2018-06-15 | 2018-06-15 | Machine parameter acquisition device |
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| CN201810622290.1A CN110609522A (en) | 2018-06-15 | 2018-06-15 | Machine parameter acquisition device |
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