WO2022244306A9 - 映像判別装置、映像判別システム、及び記憶媒体 - Google Patents
映像判別装置、映像判別システム、及び記憶媒体 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 20
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- 238000012545 processing Methods 0.000 claims description 10
- 230000010365 information processing Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
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- 238000010586 diagram Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 239000000523 sample Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
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- 238000003825 pressing Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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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]
Definitions
- the present invention relates to a video discrimination device, a video discrimination system, and a computer-readable storage medium.
- NC processing data is downloaded to the NC device, and an index table 26 is created with the program name as the ID.
- the barcode reading switch 13 is set with a plurality of code switches for each key operation, such as a "setup code” operated during mold setup and a "bending code” pressed during bending. For example, when a "setup code” is operated, the system enters the time code in the "setup process” column of the index table 26.
- the system manages the NC machining data (program) and the index table 26 as a pair, and can be searched by the reproducing unit 24.
- Patent Document 1 it is necessary to prepare a switch to start video recording and a switch to select the content to be recorded (setting up, bending, etc.), and the operator monitors the machine and manually starts recording and selects the content to be recorded. It is necessary to input the following information.
- a numerical control device that is an aspect of the present disclosure includes a machine state dictionary unit that links identification information of data related to the state of the machine, which is either the numerical control device or the machine tool, or at least one, and the content of the data. , an image acquisition section that acquires an image of the machine; a machine state acquisition section that acquires data used to detect a change in the state of the machine; and a machine state acquisition section that detects a change in the state of the machine based on the data and detects a change in the state of the machine.
- An image discrimination system that is an aspect of the present disclosure includes a machine state dictionary unit that links identification information of data related to the state of a machine, which is a numerical control device or a machine tool, or at least one of them, and the content of the data.
- an image acquisition section that acquires an image of the machine; a machine state acquisition section that acquires data used to detect a change in the state of the machine; and a machine state acquisition section that detects a change in the state of the machine based on the data and detects a change in the state of the machine.
- a data linking unit that refers to a state dictionary unit, converts the change in the data into operation details of the machine, and links an image when the state of the machine changes with the content of the data; Be prepared.
- a storage medium that is an aspect of the present disclosure stores identification information of data related to the state of a machine, which is a numerical control device or a machine tool, or at least one, by being executed by one or more processors, and the data.
- a computer-readable instruction is stored for determining whether or not the machine has changed, and for associating an image when the state of the machine changes with the content of the data.
- images can be automatically discriminated.
- FIG. 1 is a block diagram of a numerical control device as a video discrimination device according to a first disclosure.
- FIG. 3 is a diagram showing each variable set on the memory of the numerical control device.
- FIG. 2 is a conceptual diagram showing the relationship between a numerical control device and external equipment.
- FIG. 3 is a diagram showing an example of an input section.
- FIG. 2 is a block diagram of a numerical control device according to a second disclosure.
- FIG. 3 is a diagram showing an example of an operation signal dictionary section.
- FIG. 3 is a diagram illustrating key frame selection.
- FIG. 3 is a diagram showing an example of an operation signal dictionary section.
- FIG. 3 is a diagram showing an example of a video created by an operation video creation section.
- FIG. 2 is a diagram illustrating creation of a summary video.
- FIG. 1 is a block diagram of a numerical control device as a video discrimination device according to a first disclosure.
- FIG. 3 is a diagram showing each variable set on the memory
- FIG. 2 is a diagram showing an example of a video with subtitles. It is a diagram showing an example of an operating procedure manual.
- FIG. 3 is a diagram illustrating selection of a representative video. It is a flowchart explaining the operation of the numerical control device. It is a block diagram of the numerical control device of the 3rd disclosure.
- FIG. 2 is a diagram showing the hardware configuration of a numerical control device.
- FIG. 1 is a block diagram of a numerical control device 100 as a video discrimination device according to the first disclosure.
- the numerical control device 100 includes a video acquisition section 1, a machine state acquisition section 2, a machine state dictionary section 3, a machine state conversion section 4, and a data linking section 5.
- the video acquisition unit 1 acquires a video from the camera 6 that images the machine tool 7 or a video captured from the display screen of the numerical control device 100 or the machine tool 7.
- the machine state acquisition unit 2 acquires data used to detect changes in the state of the machine tool 7 and the numerical control device 100 that controls the machine tool 7 (hereinafter referred to as data used to detect changes in the machine state).
- Data used to detect changes in machine status includes operation signals from the machine operation panel or touch panel, variable changes by machining programs, variable changes from built-in programs, variable changes from PC applications, and connections to machine tools. These include input signals from external equipment connected to the machine tool, output signals to external equipment connected to the machine tool, machining program commands, sequence program commands, etc.
- the machine state dictionary section 3 contains "identification information of data used to detect changes in the state of the machine (for example, signal identification information/variable identification information/identification information of commands)" and "identification information of data used to detect changes in the state of the machine”. data contents (for example, signal contents/variable contents/command contents).
- the machine state converter 4 monitors the "data used to detect a change in the machine state" acquired by the machine state acquirer 2, determines whether or not the machine state has changed, and when a change in the machine state occurs, Convert "data identification information" to "data content” with reference to the machine state dictionary section.
- the data linking unit 5 links changes in the machine state and images of the machine. Specifically, both or at least one of "the value of the data indicating a change in the state of the machine” and "the content of the data that changes the state of the machine” is linked to the image acquired by the image acquisition unit 1.
- the images acquired by the image acquisition unit 1 include images of the camera 6 that images the machine tool 7, images captured from the display screen of the machine tool 7, and the like.
- Operation signals from a control panel, touch panel, etc. can be "data used to detect changes in the state of a machine.”
- the machine state conversion section 4 monitors the operation signal, and when the operation signal changes, refers to the machine state dictionary section 3 and reads out the "data content" of the changed operation signal.
- the data linking unit links both or at least one of the "data value” and the "data content” with the video. For example, when an operator manually operates the speed dial on the operation panel and the speed signal changes from 10 to 20, the data linking unit 5 displays an image of ⁇ the moving speed of the machine tool axis changing'' and the data content. “Speed” and the data value “10->20” are linked. For example, when the processing start signal changes from OFF to ON by pressing the "processing start button” on the touch panel, the data linking unit 5 displays the image “workpiece processing starts” and the data content "processing start”. , are linked.
- the machine state conversion unit 4 detects the block (row) in which the machining program has been changed. For example, when the 100th line of the machining program changes, the data linking unit 5 displays the video of "operator operating the touch panel", the data content "change in machining program", and the data value "100th line”. , are linked.
- the data linking unit 5 links the video of "an operator operating a touch panel or operation panel", the data content "feeding speed parameter”, and the data value "100->200".
- the data linking unit 5 links the video of "an operator operating a touch panel or operation panel", the data content "tool offset”, and the data value "100mm->110mm".
- the data linking unit 5 When a machining program that measures tool length is executed, "the tool offset variable changes automatically."
- the data linking unit 5 generates a video of "a machining program that measures the tool length is executed and the measurement result is reflected in the offset", the data content "tool offset”, and the data value, for example "100 mm -> 110 mm”. ”.
- the image in which “the measurement result is reflected in the offset” may be a captured image of the display unit 70 of the numerical control device 100.
- macro variables change automatically.
- macro variables for the shape of the workpiece are automatically changed.
- the data linking unit 5 stores a video of "execution of workpiece measurement”, a video of "measurement results are reflected in macro variables", data content "workpiece shape”, and data value, for example, "X120.0- >X124.0”.
- the image in which “the measurement result is reflected in the macro variable” may be, for example, a captured image of the display unit 70 of the numerical control device 100.
- the data linking unit 5 can display the image of ⁇ the number of the machining program being changed'' and the data content ⁇ the machining program to be executed''. ” and the data value “machining program number”.
- the image “the number of the processing program is changed” may be a captured image of the display unit 70 of the numerical control device 100.
- An application of an external information device may change variables of the numerical control device 100.
- the external information device is a PC (personal computer), a server, or the like.
- the data linking unit will display the video "the number of the machining program is changed” and the data content "the number of the machining program to be executed”. , and the data value "machining program number”.
- the content of the data linked to the video "the name of the application that executed the change of the variable”, "the name of the external information device that executed the change of the variable”, etc. can also be used.
- the image “the number of the processing program is changed” may be a captured image of the display unit 70 of the numerical control device 100.
- An input signal from an external device connected to the machine tool 7 can be "data used to detect a change in the state of the machine.”
- a contact signal of a touch probe is “data used to detect a change in the state of a machine.”
- the “probe contact signal” changes to "ON”.
- the data linking unit 5 links the image “LED (Light Emitting Diode) of the touch probe lights up and stops” with the data content "touch probe contact”.
- the input signal from the sensor can be "data used to detect a change in the state of the machine.”
- the "spindle temperature” detected by the temperature sensor is “data used to detect changes in the state of the machine.”
- the data linking unit 5 links the data content "spindle temperature", the data value "spindle temperature value”, and the image of the "spindle”.
- the "main shaft” may also emit smoke.
- the output signal to the external device connected to the machine tool 7 can be "data used to detect a change in the state of the machine.”
- a door opening/closing signal of a machine tool can be “data used to detect a change in the state of a machine.”
- the PLC PLC built into the numerical control device 100 or PLC external to the numerical control device 100
- the data linking unit 5 links an image of an external device and a change in data. For example, when the "door opening/closing signal” is turned ON, the data linking unit 5 generates the "door opening” image, the data content "door opening/closing signal", and the data value "OFF->ON". Link.
- the "coolant signal” can be "data used to detect a change in the state of the machine.”
- the PLC the PLC built into the numerical control device 100 or the PLC external to the numerical control device 100
- the data linking unit 5 links an image of an external device with a change in data. For example, when the "coolant signal” turns ON, the data linking unit 5 combines the image “coolant starts spouting", the data content "coolant signal”, and the data value "OFF->ON”. Tie it together.
- the instructions of the machining program can be "data used to detect changes in the state of the machine.”
- the numerical control device 100 analyzes the machining program and outputs commands to modules such as servo amplifiers. When outputting a command, "a signal indicating the state of a specific function of the numerical control device 100" changes.
- the machine state conversion unit 4 changes the state of the machine based on a change in the value (for example, switching between ON and OFF) of a "signal indicating the state of a specific function (for example, fast forwarding, etc.) of the numerical control device 100.” judge that it has changed.
- the data linking unit 5 links the video "in which a specific function of the numerical control device 100 is used” and the data content "for example, a fast-forward command, etc.”.
- the commands of the sequence program can be "data used to detect changes in the state of the machine.”
- the PLC inside the numerical control device 100 analyzes the sequence program and instructs an external device connected to the numerical control device 100 to perform a specific sequence function. When outputting a command, the "signal indicating the status of the sequence function" changes.
- the machine state converter 4 determines that the state of the machine has changed based on a change in the value of the "signal indicating the state of the sequence function" (for example, switching between ON and OFF).
- the data linking unit 5 links a video in which "commands of a sequence program are executed” and data contents "for example, a tool exchange command, etc.”.
- variables such as local variables, macro variables, common variables, and system variables are set on the memory of the numerical control device 100, as shown in FIG. Moreover, the parameter number is also determined. Variable numbers and parameter numbers can be used as data identification information.
- Local variables are variables used when executing a machining program such as a main program or a macro program, and are independent between the main program and the macro program.
- Common variables are variables that are commonly used in the main program and macro program.
- System variables store changes in tool radius correction, reading of coordinate values, valid commands (G code), valid M codes (sequence commands), and the like.
- System variables include interface input signals, interface output signals, setting data, modal information, and the like. Changes in the machine state can be detected from the values of these variables.
- the numerical control device 100 of the first disclosure detects changes in the machine state by monitoring memory, external signals, operation signals, etc., and refers to the machine state dictionary section 3 to determine the identification information of the machine state. data content" and link the "data content” with the video. This allows the content of the video to be determined.
- An application example using a video linked with "data content” is shown in the second disclosure.
- FIG. 3 is a conceptual diagram showing a numerical control device 100 as a video discrimination device of the present disclosure and a device that transmits a signal to the numerical control device 100.
- numerical control device 100 is included in a machining center.
- a machining center is a device in which a numerical control device 100 and a machine tool are integrated. Machining centers also include equipment such as servo motors, fans, fog collectors, coolants, chip removal devices, automatic tool changers (ATC), and stacking indicator lights (Patlite®).
- the numerical control device 100 includes an internal PLC (Programmable Logic Controller) 42 and controls these devices.
- PLC Programmable Logic Controller
- the PLCs 42 and 50 include an internal PLC 42 built into the numerical control device 100 and an external PLC 50.
- the external PLC 50 inputs signals from equipment, devices, sensors, and actuators present at the manufacturing site, and transmits information detected by the sensors, control status data, etc. to the numerical control device 100. Output to.
- the devices controlled by the PLCs 42 and 50 are referred to as external devices of the numerical control device 100.
- the numerical control device 100 includes an input section 71.
- the input section 71 includes a physical input section 71 and an electronic input section 71.
- FIG. 4 shows an example of the input section 71 of the numerical control device 100.
- the physical input unit 71 is a dial or button on a machine operation panel.
- the electronic input unit 71 is, for example, a button displayed on a touch panel.
- This operation signal is not a special signal, but an existing operation signal obtained as a result of the operator inputting it into the existing input section 71 of the numerical control device 100.
- existing operation signals are used for image discrimination. There is no need to input the contents of the operator's operation, and there is no need for a special switch for the operator to input the contents of the operation.
- FIG. 5 is a block diagram of the numerical control device 100.
- the numerical control device 100 includes a video acquisition section 11, an operation signal acquisition section 12, an operation signal dictionary section 13, an operation signal conversion section 14, a data linking section 15, a subtitle creation section 16, a video creation section 17, and a summary video creation section 18. , a procedure manual creation section 19, and a video selection section 20.
- the image acquisition unit 11 according to the present disclosure is provided to the image acquisition unit 1 described in the first disclosure
- the operation signal acquisition unit 12 according to the present disclosure is provided to the machine state acquisition unit 2 described in the first disclosure for the operation signal acquisition unit 1 according to the present disclosure
- the signal dictionary unit 13 connects the machine state dictionary unit 3 described in the first disclosure
- the operation signal conversion unit 14 according to the present disclosure connects the data to the machine state conversion unit 4 described in the first disclosure.
- the units 15 correspond to the data linking unit 5 described in the first disclosure.
- the video acquisition unit 11 acquires video from a camera (not shown) that images the machine tool.
- the operation signal acquisition unit 12 acquires an operation signal input to an input unit 71 of a machine operation panel or a touch panel.
- the operation signal dictionary section 13 associates "signal”, “signal value”, and "operation content”.
- the operation signal converter 14 can convert changes in signals input to the numerical control device 100 into operator operation details.
- FIG. 6 is an example of the operation signal dictionary section 13.
- “signal 1" and “signal 2” are registered as “signals”.
- the “signal” includes an input address of an external device, a voltage value of a predetermined resistance, and the like.
- the value “1" of "signal 1" is associated with the operation content "move in +Y direction with JOG”.
- the value "10" of "Signal 2" is associated with the operation content "Fast forward override is 25%”.
- the operation signal conversion unit 14 monitors the operation signal input to the input unit 71 and detects a change in the operation signal. Changes in the operation signal include changes in the value of the operation signal, input of a new operation signal, and stopping input of the operation signal. In the example in the first line of FIG. 6, a change in the operation signal is detected when the value of "signal 1" changes from "0" to "1".
- the operation signal conversion section 14 refers to the operation signal dictionary section 13 and converts the change in the operation signal into operation content "move in JOG+Y direction".
- the data linking unit 15 links the operation content and the video.
- the data linking unit 15 selects the video at the time when the operation signal changes as a key frame.
- a key frame is a frame that serves as a break in the data that makes up a video.
- a key frame is an uncompressed frame that completely retains video information. As shown in FIG. 7, the data linking unit 15 selects a key frame at the time when the operation data changes from among a plurality of frames, and links the key frame with the operation content.
- the subtitle creation unit 16 creates subtitles that indicate the content of the operation at the time there was a change in the signal.
- One way to create subtitles is to create a subtitle file.
- a subtitle file is a text file that associates the display time of subtitles with the text of the subtitles.
- the subtitle creation unit 16 adds a subtitle file to the video.
- video, audio, and subtitles may be multiplexed during video compression, such as in an MPEG transport stream.
- the method of creating subtitles is not particularly limited.
- the video creation unit 17 converts the operation content into a video.
- FIG. 8 shows an example of the operation signal dictionary section 13 when converting operation details into video.
- the value “1" of “signal 1” is associated with the operation content "+Y” button.
- the value “10” of “signal 2” is associated with the image of the dial operated counterclockwise.
- FIG. 9 is an example of a video created by the video creation section 17.
- FIG. 9 shows the pressing of the button "Y” and the dial operation as the operation contents. Specifically, the button "Y” is highlighted, an arrow indicating that the dial at the upper right of the machine operation panel has been rotated is displayed, and the operation amount (value) of the dial is indicated.
- the video creation unit 17 converts the contents of the operator's operation into a video.
- the summary video creation unit 18 extracts and connects the key frame selected by the data linking unit 15 and the subsequent several seconds of video, thereby extracting only the portion where the operation data has changed.
- Create a summarized video Subtitles may be added to the summarized video.
- FIG. 9 shows an example in which subtitles are added to the summarized video.
- the subtitle "Move in JOG+Y direction" is attached. By adding subtitles, it is possible to visualize the relationship between operator operations and machine tool movements.
- the procedure manual creation unit 19 creates an operating procedure manual in which the video and the operation contents correspond one-to-one by pasting key frames and text representing the operation contents at that time into the document file in order.
- keyframes [1], [2], [3], and [4] are lined up.
- Key frame [1] is the video when the operation to "move in the JOG + Y direction" is performed
- key frame [2] is the video when the operation to "change to automatic driving mode” is performed
- key frame [3] is the video when the operation is performed to "move in the JOG + Y direction”.
- Key frame [4] is an image when the operation "Press the reset button” is performed
- key frame [4] is an image when the operation "Press the start button” is performed.
- Procedure manuals can be automatically created by arranging operator operations in chronological order.
- the operating procedure manual may include time information. You may add subtitles to the video.
- the video selection unit 20 accepts selection of a representative video to be used for creating a summary video or a procedure manual.
- the video selection unit 20 displays a list of key frames at the time when the signal changes, and accepts the user's selection.
- the summary video creation unit 18 creates a summary video from the keyframes selected by the user.
- the procedure manual creation unit 19 creates a procedure manual from the key frames selected by the user.
- the video selection section 20 can also select a representative video.
- the representative video is used as a summary video or a cover video of a procedure manual. In the example of FIG. 13, when key frame [4] is selected as the representative video from the list of key frames [1] to [6], a summary video with key frame [4] as the cover is created. It shows the situation.
- the numerical control device 100 simultaneously records video and discriminates the video.
- the numerical control device 100 acquires an image of the machine tool from the connected camera (step S1) and at the same time acquires an operation signal (step S2).
- the numerical control device 100 monitors the operation signal (step S3), and when detecting a change in the operation signal (step S4; YES), refers to the operation signal dictionary section 13 and selects the operation content corresponding to the operation signal. In step S4, if a change in the operation signal is not detected (step S4; NO), the process moves to step S3, and the operation signal is monitored.
- the numerical control device 100 selects the frame of the video at the time when the operation signal changes as a key frame, and associates it with the operation content (step S5).
- the key frame and operation details are stored (step S6). At this time, a timestamp may be added.
- the numerical control device 100 of the present disclosure includes an operation signal dictionary unit 13 that associates operation signals with operation contents, and stores key frames in association with operation contents that occur when an operator operates the numerical control device 100. .
- the numerical control device 100 converts the operation contents into a human-understandable format such as text or video.
- the numerical control device 100 displays text indicating the content of the operation as subtitles, or displays the content of the operation as a video.
- the numerical control device 100 uses operation details and key frames to create a summary video or a procedure manual. The user can also select keyframes that will be used as the cover of the summary video or procedure manual. Note that the operation details may be converted into audio.
- the video discrimination device 200 of the third disclosure includes a video storage unit 21 that stores recorded video, and a data storage unit 22 that stores operation signals during processing.
- the video acquisition section 11 reads out the video stored in the video storage section 21, and the operation signal acquisition section 12 reads out the operation signal stored in the data storage section 22.
- the operation signal dictionary section 13, the operation signal conversion section 14, the data linking section 15, the subtitle creation section 16, the video creation section 17, the summary video creation section 18, the procedure manual creation section 19, and the video selection section 20 are configured according to the second disclosure. Since the same processing is performed, the explanation will be omitted.
- the video discrimination device 200 of the third disclosure can be applied to information processing devices such as numerical control devices, PCs, servers, and mobile terminals.
- the present disclosure also includes a video discrimination system in which the components of the video discrimination device 200 of the third disclosure are distributed and arranged such as PCs, servers, numerical control devices, etc. on a network.
- the present invention is not limited to the above-mentioned embodiments, and can be implemented in various ways by making appropriate changes. can do.
- the functions of the subtitle creation unit 16, summary video creation unit 18, procedure manual creation unit 19, video selection unit 20 shown in the second disclosure, video storage unit 21, data storage unit 22, etc. shown in the third disclosure can be used in appropriate combination with the video discrimination device according to the first disclosure.
- each function creates subtitles, summaries, procedure manuals, representative images, and stores data based on data indicating not only operation details but also various states of the machine.
- the numerical control device 100 is used as an application example of the video discrimination device, but the video acquisition unit 1 (video acquisition unit 11), machine state acquisition unit 2 (operation signal acquisition unit 12), machine state acquisition unit 2 (operation signal acquisition unit 12), If the state dictionary section 3 (operation signal dictionary section 13), machine state conversion section 4 (operation signal conversion section 14), and data association section 5 (data association section 15) are present, information processing other than the numerical control device 100 can be performed. It may also be applied to devices.
- the present disclosure also includes a video discrimination system in which the components of the numerical control device 100 are distributed and arranged using PCs (personal computers), servers, numerical control devices, etc. on a network.
- the CPU 111 included in the numerical control device 100 is a processor that controls the numerical control device 100 as a whole.
- the CPU 111 reads a system program stored in the ROM 112 via the bus, and controls the entire numerical control device 100 in accordance with the system program.
- the RAM 113 temporarily stores temporary calculation data, display data, various data input by the user via the input unit 71, and the like.
- the display unit 70 is a monitor attached to the numerical control device 100 or the like.
- the display unit 70 displays an operation screen, a setting screen, etc. of the numerical control device 100.
- the input unit 71 is a keyboard, touch panel, etc. that is integrated with the display unit 70 or separate from the display unit 70. The user operates the input unit 71 to perform input on the screen displayed on the display unit 70 and the like. Note that the display section 70 and the input section 71 may be mobile terminals.
- the nonvolatile memory 114 is, for example, a memory that is backed up by a battery (not shown) and maintains its storage state even when the power of the numerical control device 100 is turned off.
- the nonvolatile memory 114 stores programs read from external equipment via an interface (not shown), programs input via the input unit 71, and various data acquired from each part of the numerical control device 100, machine tools, etc. , setting parameters acquired from the machine tool, etc.) are stored.
- the programs and various data stored in the non-volatile memory 114 may be expanded to the RAM 113 at the time of execution/use. Furthermore, various system programs are written in the ROM 112 in advance.
- the controller 40 that controls the tool of the machine tool converts an axis movement command from the CPU 111 into a pulse signal and outputs it to the driver 41.
- the driver 41 converts the pulse signal into a current to drive the servo motor of the machine tool.
- the servo motor moves the tool and the table under the control of the numerical control device 100.
- Video selection section 111 CPU 112 ROM 113 RAM 114 Non-volatile memory
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Abstract
Description
本開示の一態様である数値制御装置は、数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部と、前記機械の映像を取得する映像取得部と、前記機械の状態変化の検出に用いるデータを取得する機械状態取得部と、前記データを基に、前記機械の状態の変化を検出し、前記機械状態辞書部を参照して、前記データの変化を前記機械の操作内容に変換する機械状態変換部と、前記機械の状態が変化したときの映像と、前記データの内容と、を紐づけるデータ紐づけ部と、を備える。
本開示の一態様である映像判別システムは、数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部と、前記機械の映像を取得する映像取得部と、前記機械の状態変化の検出に用いるデータを取得する機械状態取得部と、前記データを基に、前記機械の状態の変化を検出し、前記機械状態辞書部を参照して、前記データの変化を前記機械の操作内容に変換し、前記機械の状態が変化したときの映像と、前記データの内容と、を紐づけるデータ紐づけ部と、を備える。
本開示の一態様である記憶媒体は、1つ又は複数のプロセッサが実行することにより、数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部を記憶し、前記機械の映像を取得し、前記機械の状態変化の検出に用いるデータを取得し、前記データを基に、前記機械の状態が変化したか否かを判断し、前記機械の状態が変化したときの映像と、前記データの内容と、を紐づける、コンピュータが読み取り可能な命令を記憶する。
図1は、第1の開示の映像判別装置としての数値制御装置100のブロック図である。
数値制御装置100は、映像取得部1、機械状態取得部2、機械状態辞書部3、機械状態変換部4、データ紐づけ部5を備える。
操作盤やタッチパネルなどの操作信号は、「機械の状態変化の検出に用いるデータ」となりうる。機械状態変換部4は、操作信号を監視し、操作信号が変化した場合には、機械状態辞書部3を参照し、変化した操作信号の「データの内容」を読み出す。データ紐づけ部は、「データの値」及び「データの内容」の両方、又は少なくとも一方と、映像と紐づける。
例えば、オペレータが操作盤の速度ダイヤルを手動操作し、速度信号が「10から20」に変化すると、データ紐づけ部5は、「工作機械軸の移動速度が変化する」映像と、データの内容「速度」と、データの値「10->20」と、を紐づける。
例えば、タッチパネルの「加工開始ボタン」の押下により、加工開始信号がOFFからONに変化すると、データ紐づけ部5は、「ワークの加工が開始する」映像と、データの内容「加工開始」と、を紐づける。
例えば、変数として、「実行する加工プログラムの番号」が変更された場合、データ紐づけ部は、「加工プログラムの番号が変更される」映像と、データの内容「実行する加工プログラムの番号」と、データの値「加工プログラムの番号」と、を紐づける。
ここで、映像に紐づけるデータの内容は、「変数の変更を実行したアプリケーションの名称」「変数の変更を実行した外部の情報機器の名称」なども用いることができる。「加工プログラムの番号が変更される」映像は、数値制御装置100の表示部70のキャプチャ映像でもよい。
センサからの入力信号は、「機械の状態変化の検出に用いるデータ」となりうる。例えば、温度センサが検出する「主軸温度」は、「機械の状態変化の検出に用いるデータ」である。「主軸温度」が所定の値を超えると、データ紐づけ部5は、データの内容「主軸温度」と、データの値「主軸温度の値」と、「主軸」の映像と、を紐づける。温度が上昇すると、「主軸」は、発煙することもある。
例えば、「工作機械のドア開閉信号」は、「機械の状態変化の検出に用いるデータ」となりうる。「ドアの開閉信号」が変化すると、PLC(数値制御装置100に内蔵のPLC、又は、数値制御装置100の外部のPLC)は、信号の値に従いドアの開閉を行う。データ紐づけ部5は、外部機器の映像と、データの変化とを紐づける。例えば、「ドアの開閉信号」がONになると、データ紐づけ部5は、「ドアが開く」映像と、データの内容「ドアの開閉信号」と、データの値「OFF->ON」と、を紐づける。
「クーラント信号」は、「機械の状態変化の検出に用いるデータ」となりうる。「クーラント信号」が変化すると、PLC(数値制御装置100に内蔵のPLC、又は、数値制御装置100の外部のPLC)は、信号の値に従いクーラントの噴出を行う。データ紐づけ部5は、外部機器の映像と、データの変化を紐づける。例えば、「クーラント信号」がONになると、データ紐づけ部5は、「クーラントの噴出が開始する」映像と、データの内容「クーラント信号」と、データの値「OFF->ON」と、を紐づける。
数値制御装置100では、図2に示すように、ローカル変数、マクロ変数、コモン変数、システム変数などの変数が数値制御装置100のメモリ上に設定されている。また、パラメータ番号も決まっている。変数の番号やパラメータの番号をデータの識別情報として用いることができる。
ローカル変数は、メインプログラムやマクロプログラムなどの加工プログラムの実行時に用いる変数であり、メインプログラムとマクロプログラムでそれぞれ独立している。コモン変数は、メインプログラムとマクロプログラムで共通に使用する変数である。
システム変数は、工具径補正の変更や、座標値の読込み、有効な指令(Gコード)、有効なMコード(シーケンス指令)などを記憶する。システム変数には、インタフェース入力信号、インタフェース出力信号、セッティングデータ、モーダル情報などがある。
これらの変数の値から機械状態の変化を検出することができる。
本開示では、機械状態の内で、特にオペレータによる数値制御装置の操作に着目して映像との紐づけを行う実施形態について説明する。
図3は、本開示の映像判別装置としての数値制御装置100と、数値制御装置100に信号を送信する装置とを示す概念図である。図3において数値制御装置100は、マシニングセンタに含まれる。マシニングセンタは、数値制御装置100と工作機械が一体になった装置である。マシニングセンタは、サーボモータ、ファン、集霧機、クーラント、切粉除去装置、自動工具交換装置(ATC)、積層表示灯(パトライト(登録商標))などの装置も含む。数値制御装置100は、内部PLC(Programmable Logic Controller)42を備え、これらの機器を制御する。
オペレータの操作を時系列に並べることで手順書が自動的に作成できる。操作手順書には、時間情報を含めてもよい。映像に字幕を付けてもよい。
映像選択部20では、代表映像を選択することもできる。代表映像は、要約映像や手順書の表紙映像として用いられる。図13の例では、[1]乃至[6]のキーフレームの一覧から、[4]のキーフレームが代表映像として選択されると、キーフレーム[4]を表紙とする要約映像が作成される様子を示している。
第2の開示では、映像の録画とデータの紐づけとを同時に行ったが、第3の開示では、加工中に録画した映像と加工中の操作信号を用いてデータの紐づけを行う。第3の開示の映像判別装置200は、図15に示すように、録画した映像を記憶する映像記憶部21と、加工中の操作信号を記憶するデータ記憶部22とを備える。映像取得部11は映像記憶部21に記憶する映像を読み出し、操作信号取得部12はデータ記憶部22に記憶する操作信号を読み出す。
例えば、第2の開示で示した字幕作成部16、要約映像作成部18、手順書作成部19、映像選択部20、第3の開示で示した映像記憶部21、データ記憶部22などの機能は、第1の開示に係る映像判別装置と適宜組み合わせて利用することができる。この場合、それぞれの機能は操作内容だけでなく機械の様々な状態を示すデータに基づいて字幕、要約、手順書、代表映像の作成、データの記憶をする。
図16を参照して、第1の開示の数値制御装置100のハードウェア構成を説明する。なお、第2,第3の開示の映像判別装置200も略同じハードウェア構成を有する。数値制御装置100が備えるCPU111は、数値制御装置100を全体的に制御するプロセッサである。CPU111は、バスを介してROM112に加工されたシステム・プログラムを読み出し、該システム・プログラムに従って数値制御装置100の全体を制御する。RAM113には、一時的な計算データや表示データ、入力部71を介してユーザが入力した各種データ等が一時的に格納される。
200 映像判別装置
1 映像取得部
2 機械状態取得部
3 機械状態辞書部
4 機械状態変換部
5 データ紐づけ部
11 映像取得部
12 操作信号取得部
13 操作信号辞書部
14 操作信号変換部
15 データ紐づけ部
16 字幕作成部
17 映像作成部
18 要約映像作成部
19 手順書作成部
20 映像選択部
111 CPU
112 ROM
113 RAM
114 不揮発性メモリ
Claims (14)
- 数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部と、
前記機械の映像を取得する映像取得部と、
前記機械の状態変化の検出に用いるデータを取得する機械状態取得部と、
前記データを基に、前記機械の状態の変化を検出し、前記機械状態辞書部を参照して、前記データの内容に変換する機械状態変換部と、
前記機械の状態が変化したときの映像と、前記データの内容と、を紐づけるデータ紐づけ部と、
を備える映像判別装置。 - 前記データ紐づけ部は、前記機械が状態変化したときの映像と、前記データの値と、を紐づける、
請求項1記載の映像判別装置。 - 前記機械が状態変化したときの映像は、カメラで撮像した前記機械の映像又は前記数値制御装置の操作画面のキャプチャ映像の両方、又は少なくとも一方である、請求項1記載の映像判別装置。
- 前記機械の状態変化の検出に用いるデータは、オペレータの操作信号、加工プログラムによる変数の変更、組み込みプログラムからの変数の変更、情報処理装置からの変数の変更、工作機械に接続された外部機器からの入力信号、工作機械に接続された外部機器への出力信号、加工プログラム指令、シーケンスプログラム指令の少なくとも1つを含む、
請求項1記載の映像判別装置。 - 前記データの内容は、テキスト形式、映像形式、音声形式の少なくとも何れか1つである、
請求項1記載の映像判別装置。 - 前記テキスト形式のデータの内容から前記機械の状態が変化した時点の字幕を作成する、
請求項1記載の映像判別装置。 - 映像形式のデータの内容は、前記機械の状態が変化した時点における、前記数値制御装置の入力部への操作を示す映像である、
請求項1記載の映像判別装置。 - 前記機械の状態が変化した時点の映像は、キーフレームである、
請求項1記載の映像判別装置。 - 前記機械の状態が変化した時点の映像を抽出し、前記抽出した映像を繋ぎ合わせて要約映像を作成する要約映像作成部を備える、
請求項1記載の映像判別装置。 - 前記機械の状態が変化した時点における映像と前記映像の内容とを用いて加工の手順書を作成する手順書作成部を備える、
請求項1記載の映像判別装置。 - 前記データが変化した時点における映像のうち、少なくとも1つの映像の選択を受け付け、前記選択された映像を代表映像とする映像選択部を備える、
請求項1記載の映像判別装置。 - 前記機械状態辞書部は、前記機械の状態変化の検出に用いるデータとしての前記数値制御装置に入力される操作信号と、前記データの内容としての前記数値制御装置の操作内容とを関連付けしており、
前記映像取得部は、前記数値制御装置の操作時の映像を取得し、
前記機械状態取得部は、前記操作時において前記数値制御装置に入力される操作信号を取得し、
前記機械状態変換部は、前記操作信号の変化を検出し、前記機械状態辞書部を参照して、前記操作信号の変化を前記数値制御装置の操作内容に変換し、
前記データ紐づけ部は、前記操作信号が変化した時点の映像を選択し、前記映像と前記操作内容とを紐づける、
請求項1記載の映像判別装置。 - 数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部と、
前記機械の映像を取得する映像取得部と、
前記機械の状態変化の検出に用いるデータを取得する機械状態取得部と、
前記データを基に、前記機械の状態の変化を検出し、前記機械状態辞書部を参照して、前記データの変化を前記機械の操作内容に変換し、
前記機械の状態が変化したときの映像と、前記データの内容と、を紐づけるデータ紐づけ部と、
を備える映像判別システム。 - 1つ又は複数のプロセッサが実行することにより、
数値制御装置又は工作機械の両方、又は少なくとも一方である機械の状態に係るデータの識別情報と、該データの内容とを紐づける機械状態辞書部を記憶し、
前記機械の映像を取得し、
前記機械の状態変化の検出に用いるデータを取得し、
前記データを基に、前記機械の状態が変化したか否かを判断し、
前記機械の状態が変化したときの映像と、前記データの内容と、を紐づける、
コンピュータが読み取り可能な命令を記憶する記憶媒体。
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- 2022-01-21 CN CN202280034464.7A patent/CN117321516A/zh active Pending
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WO2022244076A1 (ja) | 2022-11-24 |
WO2022244306A1 (ja) | 2022-11-24 |
JPWO2022244306A1 (ja) | 2022-11-24 |
CN117321516A (zh) | 2023-12-29 |
DE112022001432T5 (de) | 2024-01-18 |
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