WO2021199470A1 - 可視化システム - Google Patents

可視化システム Download PDF

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Publication number
WO2021199470A1
WO2021199470A1 PCT/JP2020/039660 JP2020039660W WO2021199470A1 WO 2021199470 A1 WO2021199470 A1 WO 2021199470A1 JP 2020039660 W JP2020039660 W JP 2020039660W WO 2021199470 A1 WO2021199470 A1 WO 2021199470A1
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WO
WIPO (PCT)
Prior art keywords
manufacturing
time
timeline
characteristic factor
process characteristic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2020/039660
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝久 千葉
正憲 田島
真矢 渡辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Digital Solutions Corp
Original Assignee
Toshiba Corp
Toshiba Digital Solutions Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Toshiba Digital Solutions Corp filed Critical Toshiba Corp
Priority to EP20928671.5A priority Critical patent/EP4130905A4/en
Priority to CN202080098604.8A priority patent/CN115280253B/zh
Priority to KR1020227033139A priority patent/KR20220146562A/ko
Priority to US17/907,181 priority patent/US12461513B2/en
Publication of WO2021199470A1 publication Critical patent/WO2021199470A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
    • 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—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • 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
    • 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
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23123—Production report
    • 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
    • G05B2219/31472—Graphical display of process
    • 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
    • G05B2219/31477—Display correlated data so as to represent the degree of correlation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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]
    • 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
    • Y02P90/30—Computing systems specially adapted for manufacturing

Definitions

  • An embodiment of the present invention relates to a technique for visualizing process characteristic factors of a manufacturing process.
  • Gantt chart as a technology for visualizing the manufacturing status of products manufactured through a plurality of manufacturing processes in order.
  • a plurality of manufacturing processes that are continuous in time series are arranged on the vertical axis, and a time axis that extends in parallel for each of the plurality of manufacturing processes is arranged on the horizontal axis.
  • the start time and end time are plotted on the time axis of each manufacturing process for each manufacturing unit (lot) of the product, and the start time and end time on each time axis arranged in parallel are connected by a line segment. This makes it possible to visualize the manufacturing status of each manufacturing unit.
  • a visualization system that can visually display changes in process characteristic factors that occur in the manufacturing process on the same timeline in synchronization with the timeline of the manufacturing status for the manufacturing status of products manufactured through the manufacturing process. offer.
  • the visualization system of the embodiment has a first storage unit that stores manufacturing log information including a start time or an end time in each step of each manufacturing unit of a product manufactured through a plurality of manufacturing steps in order, and quality in the manufacturing process.
  • a second storage unit that stores time history information of each process characteristic factor that is a factor affecting the characteristics, and a time axis of the process characteristic factor synchronized with the passage of time of the manufacturing log information are generated, and the time history information is generated.
  • a first generation unit that generates a display object representing the state or change of the process characteristic factor based on the above and arranges it on the time axis to generate a timeline object of the process characteristic factor, and each time of each of the plurality of process characteristic factors. Includes a display control unit that displays a process characteristic factor timeline screen in which line objects are arranged in parallel on a display device.
  • a waste generation line that generates waste into resource waste through a plurality of processes
  • a waste treatment line that burns in a furnace to dispose of waste, newspapers, etc.
  • a mechanism for obtaining a product product through a plurality of steps can also be included in the concept of "manufacturing” and is the subject of the present invention. That is, the "product” and “manufacturing” in the present invention are not limited to the production of a product.
  • FIG. 1 is a configuration diagram of the visualization system 100 according to the first embodiment.
  • the visualization system 100 includes a control device 110 and a storage device 120, and the display device 300 is connected by a wireless connection or a wired connection.
  • the display device 300 is a display terminal including a display device such as a computer 301, a tablet computer 302, a multifunctional mobile phone, and a PDA (Personal Digital Assistant), and is appropriately provided with a data communication function and a calculation function (CPU or the like). Can be done.
  • the present embodiment shows an example in which the display device 300 is individually connected to the visualization system 100
  • the present embodiment is not limited to this.
  • the visualization system 100 of the present embodiment can be configured as a display device including the functions of the visualization system 100. That is, the visualization system of the present embodiment can also be configured as one display device.
  • the visualization system 100 of the present embodiment provides a visualization function that visualizes the manufacturing status of a product manufactured through a plurality of manufacturing processes in order and displays it on the display device 300.
  • each history such as the manufacturing plan 121, the manufacturing record 122, and the process characteristic factor 123 is stored for each of the plurality of manufacturing processes.
  • the various information stored in the storage device 120 is information provided by a predetermined manufacturing control system as shown in FIG.
  • the manufacturing management system mainly collects and accumulates various types of information from manufacturing plans / basic information to actual manufacturing process information from each data source.
  • Examples of the production plan 121 include a production plan, information on equipment / equipment to be used, a production volume planned value, a time schedule planned value of a production line (including a time schedule planned value of each process constituting the production line), and the like. ..
  • the manufacturing record 122 information on the product manufactured for each manufacturing unit of the product (start time, end time, processing time, etc. for each process constituting the manufacturing line), the status of operating equipment, and environmental information. , Inspection results, actual production volume, actual values such as change history based on quality control described later (change log of process characteristic factors).
  • the manufacturing record 122 is configured so that information collected as a data source of equipment, sensor equipment, etc. in each manufacturing process constituting the product manufacturing line is stored in time series and includes sensor values acquired from the sensor equipment. You can also do it.
  • FIG. 2 is a diagram showing a data example of the manufacturing record 122.
  • a group of products of the same type as a unit of production (manufacturing unit of products: lot) flows through each of a plurality of processes.
  • each of the plurality of manufacturing processes constituting the manufacturing line is associated with the lot ID of the product flowing through the manufacturing line, and the start time, end time, and processing time (end time) of each process are associated with each lot ID. -Start time) is associated.
  • process IDs are sequentially assigned in the order of processes determined in advance based on the production plan.
  • the lot ID is, for example, a number uniquely assigned to each product unit of the manufactured product. That is, a plurality of products linked with the same lot ID are manufactured, and each product is individually assigned a unique serial number.
  • a lot is a collection of products of the same type as a unit of production, that is, a minimum unit of production of products manufactured under the same conditions, and includes one or more products. Therefore, the visualization system 100 of the present embodiment can be applied not only to the lot but also to the manufacturing unit when the production unit is "1".
  • An example of the manufacturing record 122 shown in FIG. 2 is an example of extracting the results of a plurality of processes for each product, but another example of the manufacturing record 122 is structured by using a predetermined data structure definition. Can be accumulated. For example, it is composed of "Who", “Whome”, “What", “When”, “Where”, and “How” (5W1H). Fact / actual data collected from data sources can be accumulated by using the data structure definition (templated data model).
  • Fig. 3 shows an example of manufacturing / operation record data. Further, the detailed results of each object of the manufacturing / operation record data are stored in the manufacturing recipe record data shown in the second row of FIG.
  • the information collected and accumulated from the equipment is the measured values of "object", "time”, and "situation (manufacturing parameter)".
  • sensor values detected in real time in the "situation” are accumulated in the manufacturing recipe actual data.
  • the sensor value is sensor information output from the sensor device provided in the equipment 1 or sensor information output from the sensor device for grasping the status of the equipment 1 provided separately from the equipment 1.
  • the sensor information is composed of a group of sensor values detected in time series at predetermined time intervals. Each data of the sensor value group is stored in association with each manufacturing process.
  • the accumulated sensor information includes sensor values output from equipment in each manufacturing process and sensor values required for manufacturing and inspection, and includes time-series elements.
  • the manufacturing record 122 shown in FIG. 2 can also be extracted from the information accumulated using such a data model. That is, the "object” corresponds to each product, and the “event” or “place” corresponds to each manufacturing process. Further, the “event” includes one or a plurality of manufacturing processes. For example, in “location: substrate assembly first line third station of the substrate assembly process", the substrate assembly is performed as an "event". As shown in the manufacturing recipe actual data of No. 3, the "event” includes a plurality of processes such as CPU mounting and memory mounting. Therefore, the information accumulated in the aspects of FIGS. 3 and 4 includes the same information as the manufacturing results 122 illustrated in FIG. 2, and it is possible to grasp the status of each product flowing through each of the plurality of processes. ..
  • the manufacturing / operation record data includes the inspection process by the inspection equipment 1, and the information collected and accumulated from the equipment in the manufacturing quality inspection data is "object" and "object”. These are the actual values of "time” and “situation (inspection result)".
  • acceptance inspection record data of products used in the manufacturing process is stored. By accumulating such acceptance inspection results as a data model, it is possible to grasp the purchase history of each component constituting the product and the manufacturing history of the purchased component.
  • FIG. 4 is a diagram showing an example of equipment management record data
  • the facility management record data is configured to include a facility alert history and a facility maintenance history.
  • the equipment alert history stipulates which equipment, when the abnormality occurred, what the abnormality was, and what measures were taken as a result of the abnormality.
  • the equipment maintenance history defines what kind of maintenance (parts replacement, repair, etc.) was performed by which worker for which equipment, and the history (serial ID) of the parts replaced during the maintenance. Is. These are also organized using data structure definitions and accumulated as actual records.
  • the process characteristic factor 123 shown in FIG. 1 is a change history based on a predetermined quality control rule.
  • process characteristic factors Process Characteristic Factors
  • 5M Process Characteristic Factors
  • 5M1E process characteristic factors
  • 6M process characteristic factors
  • 4M Process Characteristic Factors
  • 5M is used for quality control classification of factories, and has five elements of worker (Man), machine / equipment (Machine), raw material / material (Material), working method (Method), and measurement (Measurement). Furthermore, the manufacturing process may not be stable depending on the environment, and "5M1E” with environment added to “5M” and “6M” with management for controlling the entire process added to “5M”. Quality control is done by.
  • These "4M”, “5M”, “5M1E”, and “6M” are acronyms for each, and have attributes (classifications) for each factor.
  • the worker (Man) may have a different rate of defective products depending on the ability of the worker, and the process characteristics of the worker's work history and change history (history of change from person A to person B) Accumulate as a factor change log.
  • the acceptance inspection record data shown in FIG. 3 is associated with a person (Man) who is a process characteristic factor. That is, the component part number (D-001) and the motherboard with the serial ID (31235 to), which are the objects of the manufacturing / operation record data (object), are inspected at 10:00 on August 25, 2016.
  • A person in charge serial ID 5555) stores the results purchased from company A, and the components purchased from company A by the work of the person in charge of acceptance inspection A are manufactured at the factory B of company A. You can grasp that there is.
  • Machine / equipment change history (maintenance history) can be accumulated.
  • Each data of the manufacturing / operation record data, the manufacturing recipe record data, the manufacturing quality inspection data, the equipment alert history, and the equipment maintenance history shown in FIG. 4 is associated with the machine / equipment of the process characteristic factor.
  • the product yield may differ depending on the supplier and brand. It is possible to accumulate the change history of raw materials / materials (history of changes in suppliers and changes in raw materials). For example, the procurement record data shown in FIG. 3 is associated with the raw material / material of the process characteristic factor.
  • the work efficiency differs when the work method changes, and the work efficiency differs when the procedures of a plurality of work methods change. It is possible to accumulate the change history of work methods (changes in procedures and work contents). For example, it is possible to grasp the situation in which the manufacturing recipe actual data shown in FIG. 3 is associated with the work method (Method) of the process characteristic factor, and the object is soldered by applying solder at a flow rate of ⁇ . can.
  • Measurement may differ or may not be stable depending on the measurer, measuring device, measuring method, etc., for example.
  • the change history of measurement (measurer, measuring device, change of measurement method, presence / absence of measurement, measurement result) can be accumulated.
  • the manufacturing quality inspection data shown in FIG. 3 is associated with the measurement of process characteristic factors, the inspection is performed on the object, and the result (situation) of no problem is stored in the result. It is possible to grasp what kind of confirmation (measurement method) was performed on the subject.
  • the manufacturing process may not be stable.
  • Environmental change history environment change in each manufacturing process, for example, sensor output value
  • the sensor value group stored in time series in association with each of the above-mentioned manufacturing processes is associated with the environment of the process characteristic factor (Environment).
  • the medium / environment (Media) in “4M” corresponds to factors such as a work environment, a manual, and work information, which are mainly related to a medium of a worker (Man) and a raw material / material (Material).
  • Management in “6M” means management of the future direction of the factory, such as differentiation from other companies and human resource development.
  • FIG. 5 is a diagram showing a data example of the process characteristic factor 123.
  • the process characteristic factor 123 includes a change point code, a change attribute classification (5M classification), an occurrence time, recorder information, a process ID, an occurrence lot ID, and details (how the process characteristic factor has changed). (Explanation), items such as sensor measurements are included.
  • the process characteristic factor 123 is information that specifies the change attribute classification that occurred when a change in the process characteristic factor occurs, and identifies the process in which the change in the process characteristic factor occurred and the lot ID that was processed at that time. be.
  • the process characteristic factor 123 is automatically accumulated based on the daily work report created by the worker stored in the recorder information, or automatically based on the signal indicating the change of the process characteristic factor collected from the manufacturing management system. Factor 123 can be generated and accumulated. It is also possible to collect, store, and utilize the operation / input history and utterance voice of the tablet terminal operated by the worker. In the example of FIG. 5, it is shown that the change of Man attribute occurs in step 1, the worker is changed from Mr. A to Mr. B, and the lot ID at that time is "ZD1-150107".
  • step 1 a change in the Measurement attribute occurs in step 1, and worker B carries out a predetermined inspection on the equipment, indicating that the lot ID at that time is "ZD1-150107".
  • the change of the Machine attribute occurs in the process 1, the worker B performs the predetermined maintenance on the equipment, and the lot ID at that time is "ZD1-150107".
  • the worker B performs the predetermined maintenance on the equipment, and the lot ID at that time is "ZD1-150107".
  • three changes have occurred in the Machine attribute change, and three changes have occurred: a change in the temperature setting, a change in the arm angle, and a change in the arm speed.
  • the various information stored in the storage device 120 can also be configured to store the information collected directly from each data source without going through the manufacturing management system.
  • the control device 110 of the visualization system 100 edits and processes the information collected from each data source to visualize various information for visualizing the manufacturing status of the product manufactured through a plurality of manufacturing steps in order. It can be provided with an information processing function to be generated.
  • the process characteristic factor 123 may be included in the manufacturing record 122 and collected as described above. Therefore, even if the process characteristic factor 123 is not individually received from the manufacturing control system, the visualization system 100 visualizes the manufacturing status such as the manufacturing record 122 and the process characteristic factor 123 based on the information received from the manufacturing control system. It can also be configured to have an information processing function that generates various kinds of information for the purpose of.
  • FIG. 6 is an explanatory diagram of the visualization function of the present embodiment, and includes a time chart for each manufacturing process (manufacturing status chart for each manufacturing unit) based on manufacturing results and a 5M1E timeline chart based on process characteristic factors.
  • FIG. 7 is a diagram showing an example of a time chart for each manufacturing process based on manufacturing results, and is a display example that visualizes the manufacturing status of a product manufactured through a plurality of manufacturing processes in order.
  • the horizontal axis is time and the vertical axis is each manufacturing process that is continuous in chronological order.
  • the time axes T1 to T6 of each process are provided for each manufacturing process, and a plurality of time axes T1, T2, T3, T4, T5, and T6 are arranged in parallel in order from the top for each manufacturing process. ing.
  • the time axis T1 is the start time of Process 1
  • the display object indicated by “ ⁇ ” indicates each product.
  • the time axis T2 is the start time of Process 2.
  • the mode in which the end time of Process 1 and the start time of Process 2 match is shown, but the end time of Process 1 and the start time of Process 2 may be different.
  • the time axis T6 is a time axis on which the end time of Process 5 is plotted.
  • the control device 110 of this embodiment includes a generation unit 112.
  • the generation unit 112 acquires the start time of each manufacturing process from the manufacturing record 122 for each lot ID.
  • the first generation unit 112 sets the start time of the first step 1 on the time axis T1 of the first step 1 (Process 1) and the second following the first step 1 for each manufacturing unit (lot) of the product.
  • a line segment connecting the start time of the second step 2 on the time axis T2 parallel to the time axis T1 of the first step 1 which is the time axis of the step 2 (Processs 2) of the first step 1 is generated.
  • a mark indicating the start time is plotted on the respective time axes T1 and T2 corresponding to each manufacturing process, and a line segment connecting the plotted marks on the respective time axes T1 and T2 between the processes (start times). Is generated between steps 1 and 2).
  • the start time of the second step 2 on the time axis T2 of the second step 2 and the time axis of the third step 3 (Processance 3) following the second step 2 and the second step 2 A line segment connecting the start time of the third step 3 on the time axis T3 parallel to the time axis T2 of the above is generated.
  • marks and lines indicating the start time are also provided for the time axes T4 and T5 of the fourth step 4 (Process 4) following the third step 3 and the fifth step 5 (Process 5) following the fourth step 4. Minutes are generated.
  • the generation unit 112 sets each start time on each time axis corresponding to each manufacturing process in the order of manufacturing processes continuous in chronological order with respect to one manufacturing unit (product or lot) in the production line between the manufacturing processes. Generate line segments connecting each other and create a time chart for each manufacturing process. These time axes T1 to T6 are the same time in the vertical axis direction.
  • any one of a plurality of manufacturing processes can be controllably selected, and a 5M1E timeline chart for one selected manufacturing process is controlled to be generated and displayed. Can be done. At this time, it is possible to control the selection of the manufacturing process as well as the time range on the timeline so as to be selectable.
  • the horizontal axis represents time and the vertical axis represents each process characteristic factor, and the change log of each process characteristic factor is displayed on the time axis.
  • the example of FIG. 6 is a display example of the Gantt chart format. As described above, since the process specific factor 123 accumulates change logs in chronological order, the change log of the Machine attribute can be represented by a timeline, and when there is a "stop" change log within a predetermined time range. , The section where the "stop" change log is occurring can be displayed on the timeline.
  • an operation timeline object indicating "operation” within a predetermined time range and a stop timeline object indicating "stop” are displayed side by side in chronological order, and the "stop" section and other sections ("stop") are displayed. It can be displayed in a distinguishable manner from the "operating" section)).
  • the material can represent the lot ID of the material used for the product manufactured in that time zone on the timeline in chronological order.
  • the method is, for example, a processing condition carried out in the process, and represents an object on the timeline indicating that the value indicated by the sensor ⁇ has been changed to the value indicated by the sensor ⁇ .
  • Measurement means a change point related to the accuracy of measuring equipment, measurement conditions, and measurement method, but it has been expanded to include inspection values and results, for example, inspection item results (OK “ ⁇ ", NG " ⁇ "”. ) Can be plotted and displayed on the timeline.
  • the environment can display, for example, the time change of the sensor value, and the sensor value can be represented by a time-series line graph.
  • the process characteristic factors displayed on the vertical axis can be selected on the graph display selection screen shown in FIG.
  • the process characteristic factors are each process characteristic factor of machine / equipment (Machine), person (Man), material (Material), method (Method), measurement (Measurement), and environment (Environment).
  • Each process characteristic factor can be configured to include one or more items.
  • the process characteristic factor "equipment (Machine)” includes equipment operating status, equipment event, manufacturing work (manufactured products made, assembled / used parts), processing conditions (recipe), measurement / inspection results, jigs / tools / Items such as molds and equipment maintenance can be included.
  • the process characteristic factor "Man” can include each item such as worker name, voice, operation, and state.
  • the process characteristic factor “Environment” can include items such as temperature, humidity, concentration, outside air temperature, outside air humidity, air supply temperature, air supply humidity, and vibration.
  • changes in each process characteristic factor composed of 5M1E can be expressed by different timelines.
  • the process characteristic factor category of 5M1E is set as a major category, and the item to be displayed in each process characteristic factor category can be set as a middle item.
  • the items of the process characteristic factor "person (Man)" are the worker name, voice, operation, state, etc., and are the person (Man) attribute items.
  • the item of the process characteristic factor "Environment” is an "Environment” attribute item such as temperature, humidity, concentration, outside air temperature, outside air humidity, air supply temperature, air supply humidity, and vibration.
  • the item of the process characteristic factor "equipment (Machine)” is other process characteristic factor in addition to "equipment operating status", "equipment event", and “equipment maintenance” of the "equipment (Machine)” attribute.
  • "Assembled / used parts” belonging to the material (Material), “Measurement / inspection result (quality inspection)” belonging to the measurement (Measurement), “Processing conditions (recipe)” belonging to the method (Method), jigs / tools / molds , Etc. are selectively controlled as process characteristic factors related to the manufactured product.
  • each item to be displayed Before displaying the 5M1E timeline chart, or each time, on the graph display selection screen shown in FIG. 8, each item to be displayed can be selected from the viewpoint of each process characteristic factor category. In addition, it is possible to add more items to the preset items or delete (hide) the items. In this case as well, each of the addition / deletion of items is performed on the graph display selection screen shown in FIG. Control so that the operation can be performed.
  • the state and change of process characteristic factors are accumulated as time history information. It should be noted that each of these process characteristic factors includes one or more items to which it belongs.
  • the time history information is configured to be accumulated for each of these items.
  • the display control unit 111 generates a graph display selection screen and displays it on the display device 300.
  • the generation unit 112 generates an item-specific display object representing the state or change of the item belonging to the process characteristic factor based on the time history information of the selected item, arranges it on the time axis, and arranges the timeline object of the process characteristic factor. To generate.
  • the display control unit 111 causes the display device 300 to display a 5M1E timeline chart (process characteristic factor timeline screen) in which each timeline object of each item-specific display object arranged on the time axis is arranged in parallel.
  • the 5M1E timeline chart includes a 5M1E timeline chart from the equipment viewpoint shown in FIG. 9 and a 5M1E timeline chart from the product viewpoint shown in FIG.
  • the 5M1E timeline chart from the equipment viewpoint is displayed, for example, when it is desired to compare non-defective products and defective products. If a non-defective product or a defective product occurs in a product manufactured using the same equipment (either the same product or a similar product) in the manufacturing process, is there a problem with the equipment or the product itself? Need to be analyzed. In such a case, the 5M1E timeline chart from the viewpoint of the equipment displays information such as the conditions given to the equipment when the target product is manufactured in the equipment and the measurement result (sensor information, etc.) from the equipment.
  • the operating status of the equipment is displayed as a bar graph on the timeline (time axis), and the operating status is displayed as a bar graph of different colors depending on whether it is "operating" or "stopped".
  • the history of process characteristic factors is accumulated for each of the operating time zone and the stopped time zone, and the change log within the displayed time range shows "stopped”. If there is a history, a timeline object (time axis) is generated and displayed so that the section is displayed in a mode different from that of the operating section.
  • the item “equipment maintenance” (“maintenance” on the display) displays a display mark on the timeline indicating the time or time zone when the maintenance was performed.
  • the item “Manufacturing work” (product on the display) is a plot of each product put into the equipment on the timeline on the time axis. That is, each product processed by the equipment is plotted. At this time, the plot of each product can be displayed so that a non-defective product and a defective product can be distinguished. The attributes of non-defective products and defective products can be obtained from the inspection results for each product.
  • the attribute information (lot ID, start time, good / defective product) of each product is displayed in the manufacturing record 122. Get from and plot on the timeline.
  • the 5M1E timeline chart from the viewpoint of manufactured products is a timeline representation of changes in process-specific factors from the viewpoint of one target product. For example, the state of the equipment can be confirmed on the 5M1E timeline chart from the viewpoint of the equipment, and when it is determined that there is no problem in terms of the equipment, it can be displayed to confirm detailed information on the target product.
  • the 5M1E timeline charts from the viewpoints of individual manufactured products can be displayed at once or can be switched and displayed.
  • the 5M1E timeline chart from the equipment viewpoint if a defective product of the item "Manufacturing work" ("Product" on the display) is selected, the 5M1E from the manufacturing product viewpoint targeting the selected defective product is selected. It can be configured to generate and display a timeline chart.
  • the target product is specified and directly (without displaying) via the 5M1E timeline chart from the equipment viewpoint. It can also be configured to display a 5M1E timeline chart from a manufactured product perspective.
  • FIG. 10 shows an example in which one product flows through a plurality of manufacturing processes in order. Therefore, the timeline of the item "process” represents each process on the timeline according to the processing time (actual value) of each of the plurality of processes. At this time, the name of each process, the processing content, and the like can be displayed. Then, in the item "equipment", the operating status of the equipment, the equipment event, and the maintenance history are synchronously expressed on the timeline from the viewpoint of the target product. The same applies to each item of material and measurement. It can be said that the 5M1E timeline chart from the viewpoint of manufactured products is a compilation of each of the 5M1E timeline charts from the viewpoint of equipment shown for each equipment used in each of a plurality of manufacturing processes from the viewpoint of one manufactured product.
  • the process of the defective product at a predetermined time is selected on the display screen of the manufacturing process status shown in FIG. 7.
  • 8 hours can be set, and a 5M1E timeline chart can be generated and displayed in that time range.
  • the pop-up screen of "Graph display selection” is displayed.
  • the user selects each item of the process specific factor to be displayed.
  • the items can be set in advance, and in this case, the graph display selection process can be skipped.
  • the user performs the selection operation in FIG. 7, among the information corresponding to the selected product and equipment (process), the information for a predetermined time regarding the equipment to be displayed is extracted from the manufacturing record 122 and the process characteristic factor 123. Then, the information of the display items selected in advance or in real time on the graph display selection screen is extracted from the manufacturing record 122 and the process characteristic factor 123.
  • FIG. 9 shows an example of displaying a 5M1E timeline chart from the equipment viewpoint when "manufacturing work” is selected in addition to the default items “equipment operating status” and "equipment event” of the process specific factor “machine”. be.
  • “equipment operating status” is referred to as “operation”
  • "equipment event” is referred to as “event”
  • “manufacturing work” is referred to as “product”.
  • items of "voice” and "operation” are displayed as information of the process characteristic factor "Man”.
  • the display range displays information about the corresponding equipment for two hours before and after the starting time (00:02).
  • the information first extracted from the manufacturing results 122 and the process characteristic factor 123 is the information related to the default item, but when the display item is changed by the user operation, the information of the selected item is changed at that timing. Get and display with.
  • FIG. 9 when the display object of the manufactured product plotted on the timeline of "product” (item name “manufacturing work”" at a specific time is selected, FIG. It switches to the 5M1E timeline chart from the viewpoint of manufactured products as shown in.
  • FIG. 11 is a diagram for explaining a function for making it easier to see "what happened at that time” in the 5M1E timeline chart from the equipment viewpoint, and it is possible to understand which time point is being viewed rather than looking at the whole. It is an easy one.
  • a predetermined section of the timeline is specified, the timeline is divided by a line (auxiliary line) H in the vertical axis direction, or the specified section is cut out to generate and display an enlarged pop-up screen. It may be configured to do so.
  • preset default items are displayed as in the 5M1E timeline chart from the equipment viewpoint shown in FIG.
  • the default items include "processing conditions (recipe)", “measurement results”, “test results (good / bad)", and "equipment event”.
  • the time range (time width) to be displayed as with the 5M1E timeline chart from the equipment viewpoint, when a product is specified in the preset time minutes or in the 5M1E timeline chart from the equipment viewpoint, the time of the specified product is set. It can be set to ⁇ hours before and after. Similar to the 5M1E timeline chart from the viewpoint of equipment, the 5M1E timeline chart from the viewpoint of manufactured products is also controlled so that display items can be selected on the graph display selection screen of FIG.
  • manufacturing log information including a start time or an end time in each process for each manufacturing unit of a product manufactured through a plurality of manufacturing steps in order is stored in the storage device 120 as a manufacturing record 122. ..
  • time-series history information time series including change logs of process characteristic factors
  • process characteristic factor of machine / equipment (Machine), worker (Man), raw material / material (Material), and work method (Method) in the manufacturing process.
  • the control device 110 includes a display control unit 111 and a generation unit 112, and the generation unit 112 can be configured to include a first generation unit and a second generation unit.
  • the second generation unit generates the display object of the time chart (manufacturing timeline screen) for each manufacturing process described above.
  • the first generation unit generates a time axis of process characteristic factors synchronized with the passage of time of manufacturing log information. At the same time, it is possible to generate a display object representing the state or change of the process characteristic factor based on the time history information and arrange it on the time axis to generate a timeline object of the process characteristic factor.
  • the display control unit 111 causes the display device 300 to display a 5M1E timeline chart (process characteristic factor timeline screen) in which each timeline object for each of the plurality of process characteristic factors is arranged in parallel.
  • the 5M1E timeline chart can include two display modes, that is, from the viewpoint of equipment (process) and the viewpoint of manufactured products.
  • the display control unit 111 controls one of the manufacturing processes so as to be selectable.
  • the first generation unit generates a timeline object of the process characteristic factor synchronized with the time passage of the manufacturing process selected on the manufacturing timeline screen.
  • the display control unit 111 can control to display the process characteristic factor timeline screen (5M1E timeline chart from the equipment viewpoint) of the process viewpoint according to the selection operation of the manufacturing process on the manufacturing timeline screen.
  • the display control unit 111 controls one of the products so as to be selectable. Then, the first generation unit generates a timeline object of the process characteristic factor synchronized with the time lapse of the entire plurality of manufacturing processes through which the product selected on the manufacturing timeline screen passes.
  • the display control unit 111 can control to display the process characteristic factor timeline screen (5M1E timeline chart from the manufacturing product viewpoint) from the manufacturing product viewpoint according to the product selection operation on the manufacturing timeline screen.
  • the 5M1E timeline chart from the equipment (process) perspective and the 5M1E timeline chart from the manufacturing product perspective can be displayed in a coordinated manner.
  • the display control unit 111 can selectably control any of the manufacturing processes in the manufacturing process-specific time chart (manufacturing timeline screen) shown in FIG. 7, and the process characteristic factor timeline screen from the selected equipment viewpoint. (Fig. 9) is displayed. Then, the display control unit 111 controls to select any product on the process characteristic factor timeline screen from the equipment viewpoint, and manufactures the manufactured product according to the product selection operation on the process characteristic factor timeline screen from the equipment viewpoint.
  • the process characteristic factor timeline screen (FIG. 10) of the viewpoint can be controlled to be displayed.
  • the specified conditions are a period and a specific product
  • display control is performed so that only the line segment of the corresponding specific product is shown and the line segment of another product is not displayed. Can be done.
  • the specified conditions are the period and the starting point (line, process, equipment), all the manufacturing of the starting point within the specified period is targeted, and as shown in the example of FIG. 7, the specified period Control to display multiple line segments corresponding to each product flowing through the inside.
  • a selection screen is displayed in which it is possible to specify whether to display from the equipment viewpoint or the manufactured product viewpoint.
  • the screen shown in FIG. 9 is displayed.
  • the items set by default are displayed first.
  • the screen shown in FIG. 10 is displayed.
  • the items set by default are displayed at first. It is controlled so that it can be specified whether to display from the equipment viewpoint or the manufactured product viewpoint. For example, after the basic condition input operation in a) above, either the equipment viewpoint or the manufactured product viewpoint is automatically displayed. It may be configured to set the default so that it is set.
  • the graph display selection screen shown in FIG. 8 can be controlled to be displayed on the screens shown in FIGS. 9 and 10.
  • the control device 110 extracts the actual data corresponding to the selected item, adds the item display, and corresponds to the item display. Display additional data.
  • the item deletion operation is also possible, and the 5M1E timeline chart from the equipment (process) viewpoint and the 5M1E timeline chart from the manufactured product viewpoint including items other than the selected deletion item are updated.
  • Screen switching is not limited to selection from the manufacturing process status screen based on the above-mentioned basic condition setting, but also in the 5M1E timeline chart from the equipment viewpoint shown in FIG. 9 and the 5M1E timeline chart from the product viewpoint shown in FIG. It is also possible to switch the screen display from the equipment viewpoint and the manufactured product viewpoint based on the operation of.
  • the screen display When a product is selected on the screen of FIG. 9, the actual data of the product specified by the selection is extracted and the screen of the manufactured product viewpoint of FIG. 10 is displayed.
  • the screen of the equipment viewpoint of FIG. 9 is displayed.
  • the timeline chart display of the equipment viewpoint and the product viewpoint and the switching display of the equipment viewpoint and the product viewpoint have been described, but subsequently, the display focusing on the manufacturing work from the equipment viewpoint is shown in FIGS. 12 and 12A. Will be described with reference to.
  • FIG. 12 is a diagram showing a manufacturing status display example of the first embodiment.
  • FIG. 12A is a diagram showing details of a manufacturing status display example of the first embodiment.
  • the timeline chart display from the equipment viewpoint shown in FIG. 9 above is an effective display form when comparing non-defective products and defective products, but when the manufacturing work is relatively long, the current point shown in FIG. 9 ( If only the plot) is displayed, it is difficult to understand the work period of each product, and it is difficult to grasp the relationship between the 5M1E change point and the manufacturing work.
  • the generation unit 112 of the control device 110 acquires the manufacturing record information in a predetermined range including the designated time for the corresponding product from the manufacturing record 122 of the storage device 120. Then, time-series data based on the acquired start time and end time of the manufacturing result is generated.
  • the display control unit 112 displays the time-series data generated by the generation unit 112 on the display device 300 as a bar ((b) in FIG. 12).
  • this bar display is the same as each time series data ((c) in FIG. 12A) based on the production start time and end time of each lot ID of the product record generated by the generation unit 112.
  • the bars are displayed on the time axis ((b) in FIG. 12A). Therefore, when a plurality of lots are sequentially input within a predetermined time, the display becomes darker than when only one lot is input, depending on the degree of overlap.
  • the generation unit 112 acquires the manufacturing record information including the corresponding product and the time from the manufacturing record 122 stored in the storage unit 120.
  • FIG. 9 is a screen displaying information on the equipment viewpoint related to the process (Process 2) of a certain product. For example, refer to the point plotted at 13:00 of the product work (display in the figure is manufacturing) on this screen.
  • the generation unit 112 refers to the information of the process 2 (Process 2) of the corresponding product from the manufacturing results shown in FIG. 2, and acquires the information before and after the designated time (for a predetermined time).
  • the generation unit 112 corresponds to the information corresponding to the predetermined time recorded as the record of the process 2. Acquire the start time and end time of the lot ID to be used.
  • two pieces of information "R010” and “R011” will be used for explanation.
  • the display control unit 111 sequentially displays the time-series information generated based on the information acquired by the generation unit 112 in the bar display column of FIG. 12A (b). That is, first, the bars for the length of the time from the start time (12:58:30) to the end time (13:01:30) of "R010" are displayed.
  • bars for the length of time from the start time (12:59:00) to the end time (13:02:00) of "R011” are also displayed on the same time axis.
  • the bars for the lengths of each time are displayed at the same position, which causes overlap, and the display screen displays the bars.
  • the color of the overlapping part becomes darker.
  • each function constituting the above-mentioned visualization system 100 can be realized by a program, and a computer program prepared in advance for realizing each function is stored in the auxiliary storage device.
  • a control unit such as a CPU reads a program stored in the auxiliary storage device into the main storage device, and the control unit executes the program read into the main storage device to operate the functions of each unit.
  • Computer-readable recording media include optical discs such as CD-ROMs, phase-changing optical discs such as DVD-ROMs, magneto-optical discs such as MO (Magnet Optical) and MD (Mini Disk), floppy (registered trademark) discs, and the like. Examples include magnetic disks such as removable hard disks, compact flash (registered trademark), smart media, SD memory cards, and memory cards such as memory sticks. Further, a hardware device such as an integrated circuit (IC chip or the like) specially designed and configured for the purpose of the present invention is also included as a recording medium.
  • IC chip or the like specially designed and configured for the purpose of the present invention is also included as a recording medium.
  • Control device 111
  • Storage device 121
  • Manufacturing plan 122
  • Manufacturing record 123
  • Process characteristic factor 300 Display device

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EP4130905A1 (en) 2023-02-08
JP6957669B2 (ja) 2021-11-02
JP7408606B2 (ja) 2024-01-05
KR20220146562A (ko) 2022-11-01
JP2021192255A (ja) 2021-12-16
CN115280253A (zh) 2022-11-01
CN115280253B (zh) 2025-10-28
US12461513B2 (en) 2025-11-04
JP2021043941A (ja) 2021-03-18
EP4130905A4 (en) 2024-05-08
US20240210927A1 (en) 2024-06-27

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