WO2022244070A9 - 稼働状況表示装置、およびコンピュータ読み取り可能な記憶媒体 - Google Patents
稼働状況表示装置、およびコンピュータ読み取り可能な記憶媒体 Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 78
- 238000000605 extraction Methods 0.000 claims abstract description 75
- 238000010586 diagram Methods 0.000 description 22
- 230000006870 function Effects 0.000 description 15
- 238000003384 imaging method Methods 0.000 description 14
- 238000013500 data storage Methods 0.000 description 8
- 230000005856 abnormality Effects 0.000 description 7
- 238000012790 confirmation Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- KNMAVSAGTYIFJF-UHFFFAOYSA-N 1-[2-[(2-hydroxy-3-phenoxypropyl)amino]ethylamino]-3-phenoxypropan-2-ol;dihydrochloride Chemical compound Cl.Cl.C=1C=CC=CC=1OCC(O)CNCCNCC(O)COC1=CC=CC=C1 KNMAVSAGTYIFJF-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 244000145845 chattering Species 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
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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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
Definitions
- the present disclosure relates to an operating status display device and a computer-readable storage medium.
- the present disclosure provides an operating status display device and a computer-readable storage medium that can easily find characteristic parts representing phenomena occurring in a processing machine from operating data acquired by the processing machine. With the goal.
- the operation status display device extracts phenomenon specification information that specifies the phenomenon that occurs in the processing machine, operation data specification information that specifies the operation data of the processing machine, and characteristic data that indicates the occurrence of the phenomenon from the operation data.
- a first acquisition unit that acquires operation data specifying information associated with the phenomenon specification information and extraction conditions from the phenomenon setting table based on the phenomenon setting table storing the conditions in association with each other; and the phenomenon specification information;
- a second acquisition unit that acquires feature data from the operation data based on the operating data specific information acquired by the first acquisition unit and the extraction conditions; and a second acquisition unit that displays the feature data acquired by the second acquisition unit on a display screen.
- a display section for displaying information is provided.
- the computer-readable storage medium In order for the computer-readable storage medium to extract phenomenon specification information that specifies a phenomenon that occurs in the processing machine, operation data specification information that specifies operation data of the processing machine, and characteristic data that indicates the occurrence of a phenomenon from the operation data. from the phenomenon setting table stored in association with the extraction condition, based on the phenomenon specification information, obtaining the operating data specifying information associated with the phenomenon specifying information and the extraction condition; An instruction for causing a computer to acquire feature data from operating data and display the acquired feature data on a display screen is stored, based on extraction conditions.
- FIG. 1 is a diagram showing an example of a hardware configuration diagram of a processing machine.
- FIG. 2 is a block diagram illustrating an example of the functions of the operating status display device.
- FIG. 3 is a diagram showing an example of a phenomenon setting table.
- FIG. 3 is a diagram illustrating an example of an input screen for phenomenon designation information.
- FIG. 3 is a diagram showing an example of displaying feature data and images. It is a flowchart which shows an example of the flow of the process which an operation status display apparatus performs.
- FIG. 2 is a block diagram illustrating an example of the functions of the operating status display device.
- FIG. 3 is a diagram illustrating acquisition of display history. It is a figure explaining the setting of extraction conditions. It is a figure explaining the setting of extraction conditions.
- FIG. 2 is a block diagram illustrating an example of the functions of the operating status display device. It is a figure which shows an example of the image which imaged a part of processing machine.
- FIG. 3 is a diagram showing an
- FIG. 1 is a diagram showing an example of the hardware configuration of a processing machine.
- the processing machine 1 is, for example, a machine tool, a wire electric discharge machine, or an injection molding machine.
- Machine tools include lathes, machining centers and multi-tasking machines.
- the processing machine 1 includes a numerical control device 2, an input/output device 3, a servo amplifier 4 and a servo motor 5, a spindle amplifier 6 and a spindle motor 7, an auxiliary device 8, and an imaging device 9.
- the numerical control device 2 has the function of the operating status display device of the present disclosure. That is, the operating status display device is installed in the numerical control device 2. Below, an embodiment in which an operating status display device is implemented in the numerical control device 2 will be described. However, the operating status display device may be implemented in a PC (Personal Computer) or a server.
- PC Personal Computer
- the numerical control device 2 is a device that controls the entire processing machine 1.
- the numerical control device 2 includes a CPU (Central Processing Unit) 201, a bus 202, a ROM (Read Only Memory) 203, a RAM (Random Access Memory) 204, and a nonvolatile memory 205. It is equipped with a CPU (Central Processing Unit) 201, a bus 202, a ROM (Read Only Memory) 203, a RAM (Random Access Memory) 204, and a nonvolatile memory 205. It is equipped with a CPU (Central Processing Unit) 201, a bus 202, a ROM (Read Only Memory) 203, a RAM (Random Access Memory) 204, and a nonvolatile memory 205. It is equipped with a CPU (Central Processing Unit) 201, a bus 202, a ROM (Read Only Memory) 203, a RAM (Random Access Memory) 204, and a nonvolatile memory 205. It is equipped with a
- the CPU 201 is a processor that controls the entire numerical control device 2 according to a system program.
- the CPU 201 reads out a system program stored in the ROM 203 via the bus 202, and performs various processes based on the system program. Further, the CPU 201 controls the servo motor 5 and the spindle motor 7 based on the machining program.
- the CPU 201 analyzes a machining program and outputs control commands to the servo motor 5 and spindle motor 7, for example, in each control cycle.
- the bus 202 is a communication path that connects each piece of hardware within the numerical control device 2 to each other. Each piece of hardware within the numerical control device 2 exchanges data via a bus 202.
- the ROM 203 is a storage device that stores system programs and the like for controlling the entire numerical control device 2.
- ROM 203 is a computer readable storage medium.
- the RAM 204 is a storage device that temporarily stores various data.
- the RAM 204 functions as a work area for the CPU 201 to process various data.
- the nonvolatile memory 205 is a storage device that retains data even when the processing machine 1 is powered off and the numerical control device 2 is not supplied with power.
- the nonvolatile memory 205 stores, for example, machining programs and various parameters input from the input/output device 3.
- Non-volatile memory 205 is a computer readable storage medium.
- the nonvolatile memory 205 is configured with, for example, an SSD (Solid State Drive).
- the numerical control device 2 further includes an interface 206, an axis control circuit 207, a spindle control circuit 208, a PLC (Programmable Logic Controller) 209, and an I/O unit 210.
- an interface 206 an interface 206, an axis control circuit 207, a spindle control circuit 208, a PLC (Programmable Logic Controller) 209, and an I/O unit 210.
- PLC Programmable Logic Controller
- the interface 206 connects the bus 202 and the input/output device 3.
- the interface 206 sends various data processed by the CPU 201 to the input/output device 3, for example.
- the input/output device 3 is a device that receives various data via the interface 206 and displays the various data. The input/output device 3 also receives input of various data and sends the various data to the CPU 201 via the interface 206.
- the input/output device 3 includes a display such as an LCD (Liquid Crystal Display), a keyboard, a mouse, and the like.
- the input/output device 3 may be a touch panel.
- the axis control circuit 207 is a circuit that controls the servo motor 5.
- the axis control circuit 207 receives a control command from the CPU 201 and outputs a command for driving the servo motor 5 to the servo amplifier 4.
- the axis control circuit 207 sends a torque command for controlling the torque of the servo motor 5 to the servo amplifier 4, for example.
- the servo amplifier 4 receives a command from the axis control circuit 207 and supplies current to the servo motor 5.
- the servo amplifier 4 has a built-in ammeter 41 that measures the current value of the current supplied to the servo motor 5.
- the ammeter 41 detects the current value of the current supplied to the servo motor 5.
- the ammeter 41 sends data indicating the detected current value to the CPU 201.
- the servo motor 5 receives current from the servo amplifier 4 and is driven.
- the servo motor 5 is connected to, for example, a ball screw that drives a tool post.
- structures of the processing machine 1, such as a tool post move in, for example, the X-axis direction, the Y-axis direction, or the Z-axis direction.
- the servo motor 5 may have a built-in speed detector (not shown) that detects the feed speed of each control axis.
- the spindle control circuit 208 is a circuit for controlling the spindle motor 7.
- the spindle control circuit 208 receives a control command from the CPU 201 and outputs a command for driving the spindle motor 7 to the spindle amplifier 6.
- the spindle control circuit 208 sends a torque command for controlling the torque of the spindle motor 7 to the spindle amplifier 6, for example.
- the spindle amplifier 6 receives a command from the spindle control circuit 208 and supplies current to the spindle motor 7.
- the spindle amplifier 6 has a built-in ammeter 61 that measures the current value of the current supplied to the spindle motor 7.
- the ammeter 61 detects the current value of the current supplied to the spindle motor 7.
- the ammeter 61 sends data indicating the detected current value to the CPU 201.
- the spindle motor 7 is driven by receiving current from the spindle amplifier 6.
- the spindle motor 7 is connected to the main shaft and rotates the main shaft.
- the PLC 209 is a device that executes a ladder program to control the auxiliary equipment 8. PLC 209 sends commands to auxiliary equipment 8 via I/O unit 210.
- the I/O unit 210 is an interface that connects the PLC 209 and the auxiliary equipment 8. I/O unit 210 sends the command received from PLC 209 to auxiliary equipment 8.
- the auxiliary equipment 8 is installed in the processing machine 1 and is a device that performs auxiliary operations in the processing machine 1.
- the auxiliary equipment 8 may be equipment installed around the processing machine 1.
- Auxiliary equipment 8 operates based on commands received from I/O unit 210.
- the auxiliary equipment 8 is, for example, a tool changer, a cutting fluid injection device, or an opening/closing door drive device.
- the imaging device 9 is a device that images the entire processing machine 1 or a part of it.
- the imaging device 9 is a camera that captures moving images and still images. For example, the imaging device 9 starts capturing a moving image at the timing when execution of the processing program is started.
- the imaging device 9 images a processing area in the processing machine 1, for example.
- the images acquired by the imaging device 9 are stored in the nonvolatile memory 205 via the bus 202, for example.
- the imaging device 9 also acquires time information along with the image.
- the time information is, for example, the time when imaging is being performed and the elapsed time from the start of imaging.
- FIG. 2 is a block diagram showing an example of the functions of the operating status display device.
- the operation status display device 20 includes a phenomenon setting table 211, a reception section 212, a first acquisition section 213, an operation data acquisition section 214, an operation data storage section 215, a second acquisition section 216, and an image acquisition section. 217 , an image storage section 218 , and a display section 219 .
- the phenomenon setting table 211 and the operation data storage unit 215 store, for example, data and parameters input from the input/output device 3 and various sensors (not shown) installed in the processing machine 1 in the RAM 204 or nonvolatile memory. This is realized by being stored in 205.
- the image storage unit 218 is realized by storing an image acquired from the imaging device 9 in the nonvolatile memory 205.
- the reception unit 212, the first acquisition unit 213, the operation data acquisition unit 214, the second acquisition unit 216, the image acquisition unit 217, and the display unit 219 are configured so that the CPU 201 can execute system programs stored in the ROM 203 and non-volatile memory. This is realized by performing arithmetic processing using various data stored in 205.
- the phenomenon setting table 211 is used to extract phenomenon specification information that specifies a phenomenon that occurs in the processing machine 1, operation data specification information that specifies the operation data of the processing machine 1, and characteristic data that indicates the occurrence of a phenomenon from the operation data. This is a table that stores information in association with extraction conditions.
- the phenomenon that occurs in the processing machine 1 is, for example, a phenomenon that indicates an abnormality that occurs during the operation of the processing machine 1.
- Phenomena that occur in the processing machine 1 include a main spindle load abnormality alarm, an abnormal vibration alarm, a chatter phenomenon, and an opening/closing door abnormality alarm.
- the phenomenon specification information is the name of a phenomenon that occurs in the processing machine 1.
- the phenomenon specification information functions as an index when obtaining the operating data specification information and extraction conditions.
- the operation data is time-series data obtained from sensors installed in the processing machine 1 while the processing machine 1 is in operation.
- the operation data is acquired at predetermined intervals.
- the operation data includes torque data of the main shaft, torque data of each control axis, positional deviation of each control axis, acoustic data, vibration data, and opening/closing confirmation signal data of the opening/closing door.
- the operational data specific information is, for example, the name of the operational data.
- the operational data specific information functions as an index when acquiring operational data.
- the characteristic data is characteristic data that appears in the operation data when a phenomenon occurs in the processing machine 1.
- the feature data is, for example, performance data that indicates a value that is greater than or equal to a predetermined threshold. Further, the characteristic data is operation data indicating a predetermined time series pattern. A specific example of the feature data will be described in detail later.
- Extraction conditions are conditions for extracting feature data from operational data.
- the extraction conditions include numerical data or time series patterns.
- the extraction condition is numerical data, for example, operation data that indicates a value greater than or equal to the numerical data becomes the characteristic data.
- the extraction condition is a time series pattern
- the feature data is operational data that matches or is similar to the time series pattern set as the extraction condition.
- the extraction conditions are set in advance by, for example, the manufacturer of the operating status display device 20 or the operator. Further, as described later, the extraction conditions may be automatically set by the operating status display device 20.
- FIG. 3 is a diagram showing an example of the phenomenon setting table 211.
- the phenomenon setting table 211 stores “spindle load abnormality alarm” and “chattering mark” as phenomenon designation information.
- the spindle load abnormality alarm is an alarm that occurs when the spindle torque value increases due to tool damage, etc. Chatter marks are wavy marks that appear on the surface of a workpiece due to abnormal vibration of a tool or workpiece during cutting.
- spindle torque and Z-axis position deviation are stored in association with “spindle load abnormality alarm” as operation data specifying information. Further, in the phenomenon setting table 211, “spindle torque” and “sound” are stored in association with “chatter mark” as operation data specifying information. Note that the position deviation is the difference between a command value that instructs the position of the control axis and a detected value that indicates the position of the control axis.
- the reception unit 212 receives input of phenomenon specification information.
- the phenomenon designation information is input by an operator from the input/output device 3, for example.
- FIG. 4 is a diagram showing an example of an input screen for phenomenon designation information.
- a specified information input field F and a search button B are displayed on the input screen.
- the reception unit 212 accepts the input of the phenomenon designation information.
- the operator can input words such as "spindle load abnormality alarm” or "chatter mark" into the specified information input field F, for example.
- spindle load abnormality alarm or "chatter mark” into the specified information input field F, for example.
- the first acquisition unit 213 acquires the operating data specifying information associated with the phenomenon specification information and the extraction conditions from the phenomenon setting table 211 based on the phenomenon specification information.
- the reception unit 212 receives the word “spindle abnormal load alarm” as the phenomenon specification information
- the first acquisition unit 213 receives the operation data specific information “spindle abnormal load alarm” associated with the “spindle abnormal load alarm”. torque,” “Z-axis position deviation,” and extraction conditions “3A” and “1 mm.”
- the reception unit 212 When the reception unit 212 receives the word “chatter mark” as the phenomenon specification information, the first acquisition unit 213 receives the operation data specific information “spindle torque” and “sound” associated with the “chatter mark”, Obtain the extraction conditions "2A” and "20dB”.
- the reception unit 212 does not necessarily have to accept the same word as the phenomenon designation information stored in the phenomenon setting table 211. If the word received by the reception unit 212 and the phenomenon specification information stored in the phenomenon setting table 211 do not match, the first acquisition unit 213 identifies phenomenon specification information similar to the word received by the reception unit 212. , obtain operating data specifying information and extraction conditions stored in association with the specified phenomenon specifying information.
- the operation data acquisition unit 214 acquires operation data from a sensor installed in the processing machine 1.
- the operation data acquisition unit 214 acquires operation data at predetermined intervals. In other words, the operation data is time-series data.
- the operation data acquisition unit 214 acquires time information along with operation data.
- the time information is, for example, the time when the operation data was acquired or the elapsed time from the start of operation of the processing machine 1.
- the start of operation of the processing machine 1 is, for example, when the power of the processing machine 1 is turned on or when the execution of a processing program is started.
- the operation data storage unit 215 stores the operation data of the processing machine 1 acquired by the operation data acquisition unit 214.
- the operation data storage unit 215 stores the operation data acquired by the operation data acquisition unit 214 in association with time information.
- the second acquisition unit 216 acquires feature data from the operation data based on the operation data specific information acquired by the first acquisition unit 213 and the extraction conditions.
- the operating data specific information acquired by the first acquisition unit 213 is "spindle torque” and "Z-axis position deviation", and the extraction conditions are “3A” and "1 mm” (see FIG. 3).
- the second acquisition unit 216 first acquires time series data indicating the spindle torque and time series data indicating the Z-axis position deviation stored in the operation data storage unit 215.
- the second acquisition unit 216 identifies feature data that satisfies the extraction conditions from among the time series data indicating the spindle torque.
- the extraction condition for the main shaft torque is "3A". Therefore, the second acquisition unit 216 identifies time-series data indicating 3 [A] or more among the time-series data indicating the spindle torque. That is, among the time series data indicating the main shaft torque, the time series data indicating 3 [A] or more is the characteristic data.
- the second acquisition unit 216 identifies feature data that satisfies the extraction conditions from among the time series data indicating the Z-axis position deviation.
- the extraction condition for the Z-axis position deviation is "1 mm". Therefore, the second acquisition unit 216 identifies time-series data indicating a Z-axis position deviation of 1 [mm] or more among the time-series data indicating the Z-axis position deviation. That is, among the time series data indicating the Z-axis position deviation, time series data indicating 1 [mm] or more is the characteristic data.
- the second acquisition unit 216 first acquires the time series data indicating the spindle torque and the time series data indicating the sound stored in the operation data storage unit 215.
- the second acquisition unit 216 identifies feature data that satisfies the extraction conditions from among the time series data indicating the spindle torque.
- the extraction condition for the main shaft torque is "2A". Therefore, the second acquisition unit 216 identifies time-series data indicating 2 [A] or more among the time-series data indicating the spindle torque. That is, among the time series data indicating the main shaft torque, the time series data indicating 2 [A] or more is the characteristic data.
- the second acquisition unit 216 identifies feature data that satisfies the extraction conditions from among the time series data indicating sound.
- the acoustic extraction condition is "20 dB". Therefore, the second acquisition unit 216 identifies time-series data indicating 20 [dB] or more among the time-series data indicating sound. That is, among the time-series data indicating sound, time-series data indicating 20 [dB] or more is feature data.
- the image acquisition unit 217 acquires an image of the processing machine 1.
- the images acquired by the image acquisition unit 217 include moving images.
- the image acquisition unit 217 acquires an image from the imaging device 9 that images a part or the entire processing machine 1.
- the image acquisition unit 217 acquires an image of the processing machine 1 as well as time information.
- the time information is the time when imaging is being performed or the elapsed time from the start of imaging.
- the image storage unit 218 stores the image acquired by the image acquisition unit 217.
- the image storage unit 218 stores images in association with time information.
- the display unit 219 displays the characteristic data acquired by the second acquisition unit 216 and the image corresponding to the characteristic data on the display screen.
- FIG. 5 is a diagram showing a display example of feature data and images.
- FIG. 5 is an example in which the receiving unit 212 receives a "chattering mark" as the phenomenon designation information.
- the display unit 219 displays time series data of the spindle torque and time series data of the sound on a display screen. Furthermore, the display unit 219 highlights the characteristic data specified by the second acquisition unit 216 among the time series data of the spindle torque and the time series data of the sound. Emphasizing the feature data means, for example, showing a portion indicating the feature data with a thicker line than the portion other than the feature data, or using a line with high brightness.
- the display unit 219 displays images corresponding to the time series data of the spindle torque and the time series data of the sound on the display screen.
- the display unit 219 uses time information stored in association with the time series data of the spindle torque and time series data of the sound, and time information stored in association with the image, to display the time series data of the spindle torque and the time series data of the sound. Time series data and images are displayed in association with each other.
- the display unit 219 plays back the image and displays a straight line L indicating the position of each time series data acquired when the image being played back was captured on the right side. move it to Thereby, the display unit 219 can display the reproduced image, the time series data of the spindle torque, and the time series data of the acoustic data in association with each other.
- the display unit 219 reproduces the image that was captured when the time series data of the position pointed to by the straight line was acquired. That is, an image corresponding to time-series data is an image captured at the same time as the time when the time-series data was acquired.
- the display unit 219 may display a reproduction status display area A indicating the reproduction status of the image on the display screen.
- the playback status display area A is a display area that indicates the playback position of an image when the image is played back. For example, a seek bar is displayed in the playback status display area A.
- the display unit 219 may highlight the playback position of the image corresponding to the feature data in the playback status display area A.
- the display unit 219 displays the position corresponding to the feature data on the seek bar in a different color or with a different brightness than other parts. Thereby, the playback position of the image corresponding to the feature data can be highlighted.
- FIG. 6 is a flowchart showing an example of the flow of processing executed by the operating status display device 20.
- steps S1 When processing a workpiece in the processing machine 1, settings are made in the phenomenon setting table 211 (step S1). That is, in the phenomenon setting table 211, phenomenon designation information, operating data specification information, and extraction conditions are stored in association with each other.
- step S2 when the processing machine 1 is in operation, operation data and images are acquired (step S2).
- the acquired operating data and images are stored in operating data storage section 215 and image storage section 218, respectively.
- the reception unit 212 receives the phenomenon designation information input in the designation information input field F (step S3).
- the first acquisition unit 213 acquires the operating data specifying information associated with the phenomenon specification information and the extraction conditions from the phenomenon setting table 211 (step S4).
- the second acquisition unit 216 acquires feature data from the operation data (step S5).
- the display unit 219 displays the feature data and the image of the processing machine 1 on the display screen (step S6), and the process ends.
- the display unit 219 displays the image of the processing machine 1 on the display screen along with the operation data, but it is not necessarily necessary to display the image of the processing machine 1, and it is also possible to display only the operation data. good.
- the operating status display device 20 does not need to include the image acquisition section 217 and the image storage section 218.
- the operation status display device 20 uses the phenomenon specification information that specifies the phenomenon that occurs in the processing machine 1, the operation data specification information that specifies the operation data of the processing machine 1, and the operation data to detect the occurrence of the phenomenon.
- the phenomenon setting table 211 that stores the extraction conditions in association with the extraction conditions for extracting the characteristic data shown, and the phenomenon specification information
- the operation data specifying information associated with the phenomenon specification information and the extraction conditions are extracted from the phenomenon setting table 211 based on the phenomenon specification information.
- a first acquisition unit 213 that acquires feature data from the operation data based on the operation data specific information acquired by the first acquisition unit 213 and extraction conditions;
- the display unit 219 displays the feature data acquired by the acquisition unit 216 of No. 2 on a display screen.
- the operating status display device 20 further includes an image acquisition unit 217 that acquires an image of the processing machine 1, and a display unit 219 displays the characteristic data and the image corresponding to the characteristic data on the display screen. Therefore, the operator can easily check the operation data and images when a phenomenon occurs in the processing machine 1.
- the display unit 219 displays a reproduction status display area A indicating the reproduction status of the image on the display screen, and highlights the reproduction position of the image corresponding to the feature data in the reproduction status display area A. Therefore, the operator can easily find the image that was captured when the phenomenon occurred in the processing machine 1.
- the operating status display device 20 further includes a reception unit 212 that receives input of phenomenon specification information, and a first acquisition unit 213 selects the phenomenon from the phenomenon setting table 211 based on the phenomenon specification information received by the reception unit 212. Obtain operating data specific information associated with specified information and extraction conditions. Therefore, the operating status display device 20 can quickly display images and feature data that the operator should check in accordance with the phenomenon that occurs in the processing machine 1.
- the operation status display device 20 further includes a display history acquisition unit that acquires the display history of images and operation data displayed on the display screen, and extracts data into the phenomenon setting table 211 based on the display history acquired by the display history acquisition unit.
- a phenomenon setting section for setting conditions may be included.
- FIG. 7 is a block diagram showing an example of the functions of the operating status display device 20.
- the operating status display device 20 further includes a display history acquisition section 220 and a phenomenon setting section 221. Functions other than the display history acquisition section 220 and the phenomenon setting section 221 are the same as those of the operating status display device 20 shown in FIG. 2, so their description will be omitted.
- the display history acquisition unit 220 acquires the image of the processing machine 1 displayed on the display screen and the display history of the operation data.
- FIG. 8 is a diagram illustrating acquisition of display history.
- the phenomenon setting unit 221 sets extraction conditions in the phenomenon setting table 211 based on the display history acquired by the display history acquisition unit 220.
- the phenomenon setting unit 221 causes the phenomenon setting table 211 to store operation data specifying information that specifies the operation data displayed on the display screen.
- operation data specifying information that specifies the operation data displayed on the display screen.
- spindle torque and “sound” are stored in the phenomenon setting table 211 as operation data specifying information.
- the phenomenon setting unit 221 sets the time series pattern acquired by the display history acquisition unit 220 as an extraction condition. That is, the phenomenon setting section 221 stores the time series pattern cut out by the display history acquisition section 220 in the phenomenon setting table 211 as an extraction condition.
- the phenomenon specifying information is input by the worker, and the input phenomenon specifying information is stored in association with the operating data specifying information and the extraction conditions. As a result, the extraction conditions are automatically set in the phenomenon setting table 211.
- the phenomenon setting unit 221 may set the average value or standard deviation indicated by the time series pattern acquired by the display history acquisition unit 220 as the extraction condition.
- the phenomenon setting unit 221 may set extraction conditions in the phenomenon setting table 211 based on operations on the operating data displayed on the display screen.
- FIG. 9 is a diagram illustrating an example in which extraction conditions are set based on operations on operating data.
- the phenomenon setting unit 221 displays one horizontal line superimposed on the operation data based on a predetermined operation of the input/output device 3 by the operator.
- the phenomenon setting unit 221 sets the numerical value indicated by the position of the horizontal line as an extraction condition.
- FIG. 10 is a diagram illustrating another example in which extraction conditions are set based on operations on operating data.
- the phenomenon setting unit 221 displays one rectangular frame superimposed on the operation data based on a predetermined operation of the input/output device 3 by the operator.
- the phenomenon setting unit 221 sets the time series pattern surrounded by the frame as an extraction condition.
- the phenomenon setting unit 221 may set the average value or standard deviation indicated by the framed time series pattern as the extraction condition. Further, the size of the frame may be made changeable.
- the operating status display device 20 displays the characteristic data and images on the display screen based on the phenomenon designation information received by the reception unit 212.
- the operation status display device 20 further includes an occurrence location reception unit that accepts specification of the occurrence location of the phenomenon, and displays characteristic data and an image of the processing machine 1 on the display screen based on the occurrence location of the phenomenon accepted by the occurrence location reception unit. It may be displayed in
- FIG. 11 is a diagram illustrating an example of the functions of the operating status display device 20 including the occurrence location reception unit.
- Functions other than the occurrence location receiving unit 222 are the same as those provided in the operating status display device 20 shown in FIG. 2 . Therefore, descriptions of functions other than the occurrence location reception unit 222 will be omitted.
- the occurrence location reception unit 222 accepts the specification of the occurrence location of the phenomenon.
- the occurrence location receiving unit 222 receives the designation of the location where the phenomenon occurs, for example, based on the designation of the position on the image of the processing machine 1 displayed on the display screen.
- the display unit 219 displays, for example, an image of a part or the entire processing machine 1 on the display screen.
- FIG. 12 is a diagram showing an example of an image taken of a part of the processing machine 1 displayed on the display screen.
- the display unit 219 divides the image into multiple areas and displays them. For example, the display unit 219 divides the image into nine areas 1 to 9 and displays them.
- the occurrence location reception unit 222 receives the designation of the occurrence location by selecting one of the multiple regions displayed on the display screen.
- occurrence point specifying information for specifying the point where a phenomenon occurs is stored in association with phenomenon specifying information, operating data specifying information, and extraction conditions.
- FIG. 13 is a diagram showing an example of the phenomenon setting table 211.
- numbers 1 to 9 are set as occurrence point specifying information.
- 1 to 9 set in the phenomenon setting table 211 correspond to areas 1 to 9, respectively.
- the principal axis is reflected in area 5 in the image shown in FIG. Therefore, in No. 5 of the occurrence point specifying information, phenomenon specifying information regarding the main axis is stored.
- the phenomenon designation information regarding the spindle is, for example, "spindle vibration.”
- spindle torque is stored in association with “spindle vibration” as operation data specific information.
- 3A is stored in association with "spindle torque” as an extraction condition.
- An opening/closing door is shown in area 9 in the image shown in FIG. Therefore, in No. 9 of the occurrence location specifying information, phenomenon specifying information related to the opening/closing door is stored.
- the phenomenon designation information related to the opening/closing door is, for example, "accumulation of chips on the door".
- a "confirmation signal” is stored in association with "accumulation of chips on the door” as operation data specifying information.
- “1” is stored in association with “confirmation signal” as an extraction condition.
- the display unit 219 divides and displays the image of the processing machine 1 into nine regions 1 to 9, and for example, assume that region 9 is designated by the operator.
- the occurrence location reception unit 222 accepts number 9 as the occurrence location identification information.
- the first acquisition unit 213 acquires a “confirmation signal” as the operation data identification information and “1” as the extraction condition from the phenomenon setting table 211 based on the occurrence location identification information received by the occurrence location reception unit 222. do.
- the second acquisition unit 216 acquires feature data that satisfies the extraction condition "1" from the operation data indicating the confirmation signal.
- the display unit 219 displays the characteristic data on the display screen.
- the display unit 219 displays an image of the processing machine 1 corresponding to the feature data side by side with the feature data. Thereby, the operator can check the operation data and images at the time when the opening/closing operation of the opening/closing door was interrupted due to the accumulation of chips on the door section.
- the operating status display device 20 further includes the occurrence location reception unit 222 that accepts specification of the location where the phenomenon occurs, and the phenomenon setting table 211 further includes occurrence location identification information that specifies the occurrence location of the phenomenon.
- the first acquisition unit 213 specifies the occurrence location from the phenomenon setting table 211 based on the occurrence location identification information received by the occurrence location reception unit 222.
- the operating data specifying information associated with the occurrence point specifying information and the extraction conditions are acquired.
- the occurrence location accepting unit 222 accepts the designation of the occurrence location when one region is selected from among a plurality of regions on the image displayed on the display screen.
- the operator can display the characteristic data of the structure shown in the selected image.
- Processing machine 2 Numerical control device 20 Operating status display device 201 CPU 202 Bus 203 ROM 204 RAM 205 Non-volatile memory 206 Interface 207 Axis control circuit 208 Spindle control circuit 209 PLC 210 I/O unit 211 Phenomenon setting table 212 Reception section 213 First acquisition section 214 Operation data acquisition section 215 Operation data storage section 216 Second acquisition section 217 Image acquisition section 218 Image storage section 219 Display section 220 Display history acquisition section 221 Phenomenon setting unit 222 Occurrence location reception unit 3 Input/output device 4 Servo amplifier 41 Ammeter 5 Servo motor 6 Spindle amplifier 61 Ammeter 7 Spindle motor 8 Auxiliary equipment 9 Imaging device
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Abstract
Description
サーボモータ5は、サーボアンプ4から電流の供給を受けて駆動する。サーボモータ5は、例えば、刃物台を駆動させるボールねじに連結される。サーボモータ5が駆動することにより、刃物台などの加工機1の構造物は、例えば、X軸方向、Y軸方向、またはZ軸方向に移動する。なお、サーボモータ5は、各制御軸の送り速度を検出する速度検出器(不図示)を内蔵していてもよい。
図5は、特徴データと画像の表示例を示す図である。図5は、受付部212が現象指定情報として、「びびりマーク」を受け付けた場合の例である。表示部219は、主軸トルクの時系列データおよび音響の時系列データを表示画面に表示させる。また、表示部219は、主軸トルクの時系列データ、および音響の時系列データのうち、第2の取得部216によって特定された特徴データを強調表示する。特徴データを強調表示するとは、例えば、特徴データを示す部分を特徴データ以外の部分よりも太い線で示したり、高輝度の線で示したりすることを意味する。
2 数値制御装置
20 稼働状況表示装置
201 CPU
202 バス
203 ROM
204 RAM
205 不揮発性メモリ
206 インタフェース
207 軸制御回路
208 スピンドル制御回路
209 PLC
210 I/Oユニット
211 現象設定テーブル
212 受付部
213 第1の取得部
214 稼働データ取得部
215 稼働データ記憶部
216 第2の取得部
217 画像取得部
218 画像記憶部
219 表示部
220 表示履歴取得部
221 現象設定部
222 発生箇所受付部
3 入出力装置
4 サーボアンプ
41 電流計
5 サーボモータ
6 スピンドルアンプ
61 電流計
7 スピンドルモータ
8 補助機器
9 撮像装置
Claims (10)
- 加工機で発生する現象を指定する現象指定情報と、前記加工機の稼働データを特定する稼働データ特定情報と、前記稼働データから前記現象の発生を示す特徴データを抽出するための抽出条件とを関連付けて記憶する現象設定テーブルと、
前記現象指定情報に基づいて、前記現象設定テーブルから前記現象指定情報に関連付けられた前記稼働データ特定情報と、前記抽出条件とを取得する第1の取得部と、
前記第1の取得部によって取得された前記稼働データ特定情報、および前記抽出条件に基づいて、前記稼働データから前記特徴データを取得する第2の取得部と、
前記第2の取得部によって取得された前記特徴データを表示画面に表示させる表示部と、
を備える稼働状況表示装置。 - 前記加工機を撮像した画像を取得する画像取得部をさらに備え、
前記表示部は、前記特徴データと、前記特徴データに対応する前記画像とを前記表示画面に表示させる請求項1に記載の稼働状況表示装置。 - 前記表示部は、前記画像の再生状況を示す再生状況表示領域を前記表示画面に表示させるとともに、前記特徴データに対応する前記画像の再生位置を前記再生状況表示領域において強調表示する請求項2に記載の稼働状況表示装置。
- 前記表示画面に表示された前記画像と前記稼働データの表示履歴を取得する表示履歴取得部と、
前記表示履歴取得部によって取得された前記表示履歴に基づいて前記現象設定テーブルに前記抽出条件を設定する現象設定部と、をさらに備える請求項2または3に記載の稼働状況表示装置。 - 前記表示画面に表示された前記稼働データに対する操作に基づいて、前記現象設定テーブルに前記抽出条件を設定する現象設定部と、をさらに備える請求項2または3に記載の稼働状況表示装置。
- 前記現象の発生箇所の指定を受け付ける発生箇所受付部をさらに備え、
前記現象設定テーブルは、さらに、前記発生箇所を示す発生箇所情報を、前記現象指定情報、前記稼働データ特定情報、および前記抽出条件に関連付けて記憶し、
前記第1の取得部は、前記発生箇所受付部が受け付けた前記発生箇所の指定に基づいて、前記現象設定テーブルから前記発生箇所情報に関連付けられた前記稼働データ特定情報と、前記抽出条件とを取得する請求項2~5のいずれか1項に記載の稼働状況表示装置。 - 前記発生箇所受付部は、前記表示画面に表示された前記画像の複数の領域のうち一の領域が選択された場合に前記発生箇所の指定を受け付ける請求項6に記載の稼働状況表示装置。
- 前記現象指定情報の入力を受け付ける受付部をさらに備え、
前記第1の取得部は、前記受付部が受け付けた前記現象指定情報に基づいて、前記現象設定テーブルから前記現象指定情報に関連付けられた前記稼働データ特定情報と、前記抽出条件とを取得する請求項1~7のいずれか1項に記載の稼働状況表示装置。 - 前記抽出条件は、数値データ、および、時系列パターンの少なくともいずれかを含む請求項1~8のいずれか1項に記載の稼働状況表示装置。
- 加工機で発生する現象を指定する現象指定情報と、前記加工機の稼働データを特定する稼働データ特定情報と、前記稼働データから前記現象の発生を示す特徴データを抽出するための抽出条件とが関連付けて記憶された現象設定テーブルから、前記現象指定情報に基づいて、前記現象指定情報に関連付けられた前記稼働データ特定情報と、前記抽出条件とを取得することと、
前記稼働データ特定情報、および前記抽出条件に基づいて、前記稼働データから前記特徴データを取得することと、
取得された前記特徴データを表示画面に表示させることと、
をコンピュータに実行させる命令を記憶するコンピュータ読取可能な記憶媒体。
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