WO2020162435A1 - Système d'aide à l'amélioration de la production, procédé et programme - Google Patents

Système d'aide à l'amélioration de la production, procédé et programme Download PDF

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Publication number
WO2020162435A1
WO2020162435A1 PCT/JP2020/004059 JP2020004059W WO2020162435A1 WO 2020162435 A1 WO2020162435 A1 WO 2020162435A1 JP 2020004059 W JP2020004059 W JP 2020004059W WO 2020162435 A1 WO2020162435 A1 WO 2020162435A1
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WO
WIPO (PCT)
Prior art keywords
worker
state
equipment
work
element work
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Application number
PCT/JP2020/004059
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English (en)
Japanese (ja)
Inventor
雄太朗 中居
高宏 中山
佑馬 光枝
Original Assignee
三菱電機株式会社
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Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2020571204A priority Critical patent/JP7166365B2/ja
Publication of WO2020162435A1 publication Critical patent/WO2020162435A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • 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
    • 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

  • the present disclosure relates to a production improvement support system, method, and program.
  • improvement activities on the production line consisted of a PDCA (Plan Do Check Action) cycle. Specifically, it takes time to observe the current situation from the viewpoints of time measurement and work research, then twists out ideas for improvement, applies the ideas, and evaluates them over time.
  • PDCA Plan Do Check Action
  • Patent Document 1 a technique of attaching a video camera to an operator to photograph the work content and analyzing the work content based on the captured image is disclosed. Is disclosed. Further, Patent Document 2 discloses a technique of shooting a combined work of a worker and equipment with a camera and displaying a man-machine chart based on a moving image of the taken combined work.
  • Patent Document 1 when the work is photographed by the video camera, the operator operates the hand switch to input the work break. For this reason, the worker needs to operate the hand switch for each work, which causes a problem that the burden on the worker is large.
  • Patent Document 2 in order to create a man-machine chart, an analyst does not manually set a break for each work while checking the content of the video of the combined work taken by the analyst. Don't Therefore, there is a problem that it takes time and labor for the analyst to analyze the work content.
  • the present disclosure is intended to solve these problems, and an object thereof is to provide a production improvement support system, method, and program that can reduce the burden on workers and facilitate analysis.
  • the production improvement support system provides a worker state master that associates an image of a worker with a state of the worker, an image of equipment, and an article used by the worker.
  • a definition database that stores an element work master that associates the combination of images with the element work that constitutes the work; a first history database that stores a history of the state of the worker and a history of the element work executed by the worker;
  • a second history database that stores a history of equipment operating states, an equipment control unit, an image acquisition unit, a processing device, and a terminal are provided.
  • the equipment control unit controls the equipment, acquires data on the operating status of the equipment, and stores the acquired data on the operating status in the second history database.
  • the image acquisition unit acquires an image of a worker, equipment, and an article used by the worker.
  • the processing device applies the image of the worker in the acquired image to the worker state master to specify the state of the worker, saves data indicating the specified state in the first history database, and acquires the acquired image.
  • the image of the equipment and the article inside is applied to the element work master to identify the element work performed by the worker, and data indicating the identified element work is stored in the first history database.
  • the terminal generates and outputs, based on the second history database and the first history database, information indicating the relationship between the operating state of the equipment and the state of the worker and information indicating the content of the element work.
  • the production improvement support system in the present disclosure obtains the worker state of the worker and the element work of the work performed by the worker from the image captured by the camera, and determines the obtained worker state and the element work and the operating state of the equipment. Based on this, it is possible to generate and output information indicating the relationship between the operating state of the equipment and the state of the worker and information indicating the content of the elemental work, reducing the burden on the worker and facilitating the analysis. can do.
  • the production improvement support system 100 obtains the worker state of the worker and the element work of the work performed by the worker from the image captured by the camera, and based on the obtained worker state and the element work and the operating state of the equipment, By generating a man-machine chart showing the union state of the worker's worker state and the operating state of the facility, or an element work time chart showing the state of the element work of the work performed by the worker, and displaying it on the display device, This is a system that can reduce the burden on workers and facilitate analysis.
  • FIG. 1 is a diagram showing an example of the configuration of the production improvement support system 100.
  • the production improvement support system 100 includes a facility 1 for producing a product, a facility control unit 4 for controlling the facility 1, a server 5 for storing various data, a first to a first position detecting unit for detecting positions of an article 2 and an operator 3.
  • Third camera 61 to 63, processing device 7 that acquires images captured by first to third cameras 61 to 63 and performs various processes, and display processing of various data based on data acquired from server 5. It is provided with a terminal 9 and a display device 91 for displaying various data subjected to display processing of the terminal 9.
  • the facility 1 is a device that can process and manufacture products.
  • a work processing device that processes a work is used.
  • the work processing apparatus which is the equipment 1, includes a work supply unit 10 that supplies a work to be processed, a work processing unit 11 that processes the work, a work discharge unit 12 that discharges the processed work, and various types of the equipment 1.
  • the equipment control part 4 which controls a process is provided.
  • a pre-machining work place 13 that is a place for storing a work before machining
  • a machined work place 14 that is a place for storing a work after machining
  • a machining jig used in the facility 1 and for maintenance.
  • the article 2 is an object to be grasped by the worker 3, such as a work before or after processing, a processing jig, or the like.
  • the worker 3 sets the unprocessed work placed in the unprocessed work storage 13 in the work supply unit 10 of the facility 1.
  • the set work is processed by the work processing unit 11.
  • the worked work is discharged to the work discharging unit 12.
  • the worker 3 moves the processed workpiece discharged to the workpiece discharge unit 12 to the processed workpiece storage 14.
  • the worker 3 acquires a necessary jig from the working jig storage 15 and performs the work.
  • Each item 2 and worker 3 have a bar code.
  • This barcode can be read by the first to third cameras 61 to 63 described later.
  • the bar code may be attached to any place such as the upper surface or the side surface of the article 2, the table on which the article 2 is placed, the left and right hands of the worker 3, the arms or shoulders, the hat worn by the worker 3, and the like.
  • the equipment control unit 4 controls the machining of the work in the equipment 1. Further, the equipment control unit 4 collects information detected by a sensor incorporated in the equipment 1. As a result, the equipment control unit 4 can acquire operation information such as stop, standby, processing, setup change, and error from the equipment 1 in real time.
  • the equipment control unit 4 for example, a sequencer, a controller or the like can be used.
  • the facility control unit 4 is connected to the server 5 via the first connection line 81.
  • the server 5 includes a data storage unit 51 inside.
  • the operation information of the equipment 1 is transmitted to the server 5 from the equipment control unit 4 in a constant cycle.
  • the transmitted operation information is stored in the database in the data storage unit 51.
  • the equipment control unit 4 can read and use the data stored in the database in the data storage unit 51 as needed.
  • the database in the data storage unit 51 also stores various data for supporting the worker state of the worker 3 and the improvement of the work of the worker 3 in the facility 1.
  • the database stored in the data storage unit 51 is, specifically, a worker state master 510 that defines the image of the worker 3 and the state of the worker 3 in association with each other, and the worker 3 who works in the facility 1.
  • Worker master 511 which is a list of the worker 1
  • a worker state history 512 which stores history data indicating the history of work of the worker 3
  • an equipment operating state history 513 which stores the operating state data of the equipment 1, and the equipment 1 Of the image of the article 2 used by the worker 3 and the element work master 514 defining the data of the element work in the work performed by the worker 3, and the article 2 or the equipment 1 used for the element work.
  • An equipment/article master 516 defining a part and an element work history 517 which is a history of element work by the worker 3. The details of each database will be described later.
  • the production improvement support system 100 includes a first camera 61, a second camera 62, and a third camera 63.
  • the first camera 61, the second camera 62, and the third camera 63 are cameras for reading the bar code attached to the site of the facility 1, the article 2 or the worker 3.
  • the first camera 61, the second camera 62, and the third camera 63 are arranged at positions where the work area of the worker 3 including the facility 1 can be photographed without omission.
  • a shooting area shot by the first camera 61 is a first shooting area 610
  • a shooting area shot by the second camera 62 is a second shooting area 611
  • a shooting area shot by the third camera 63 is a third shooting area 612.
  • the first imaging area 610 is an area that includes the work supply area 13 before processing and the work supply unit 10 of the facility 1.
  • the second imaging area 611 is an area including the processing jig storage area 15 and the workpiece processing section 11 of the facility 1.
  • the third imaging area 612 is an area that includes the processed workpiece storage area 14 from the workpiece discharge portion 12 of the facility 1.
  • the first camera 61, the second camera 62, and the third camera 63 are collectively referred to as the camera 6 below.
  • the camera 6 includes a CCD (Charge-Coupled Device), a camera using an image sensor such as an optical sensor, a video camera, and the like, and various cameras capable of capturing a still image or a moving image and acquiring the still image or the moving image. Can be used.
  • the camera 6 is an example of the image acquisition unit described in the claims.
  • the processing device 7 is connected to the camera 6 via the second connection line 82. Further, the processing device 7 is connected to the server 5 via the third connection line 83. An image obtained by photographing the part of the facility 1, the article 2 or the worker state of the worker 3 is input to the processing device 7 from the camera 6. The processing device 7 acquires the position information of the part of the equipment 1, the position of the article 2 or the worker 3 in real time by specifying the position of the barcode included in the image captured by the camera 6, and the part of the equipment 1 The state of the article 2 or the worker 3 is determined.
  • the determination result determined by the processing device 7 is transmitted to the server 5 in a fixed cycle.
  • the transmitted determination result is stored in the database in the data storage unit 51. Further, the processing device 7 reads the database in the data storage unit 51 as needed and uses it for various processes.
  • the terminal 9 is connected to the server 5 via the fourth connection line 84.
  • the terminal 9 can read various databases in the server 5. Specifically, the terminal 9 stores the data of the equipment 1, the data of the article 2, or the data of the worker 3 in a specific period such as a start-up period of the facility 1 and a processing jig exchange period from various databases in the server 5. Extract. This specific period is a period predetermined by the manager of the facility 1, the analyst who analyzes the data of the facility 1, and the like.
  • the terminal 9 performs display processing of various data based on the extracted data.
  • the terminal 9 is a man-machine chart showing the operating state of the facility 1, the worker state of the worker 3, and a combined state of the operating state of the facility 1 and the worker state of the worker 3, for each worker 3,
  • the display process of the element work time chart showing the state of the element work of the work performed by the worker 3 is performed.
  • the display processing in the terminal 9 will be described in detail later.
  • the terminal 9 includes a display device 91.
  • the display device 91 is a display device that displays various data.
  • various display devices such as an LED (Light Emitting Diode) monitor and an organic EL (Electroluminescence) monitor can be used.
  • the first connection line 81, the second connection line 82, the third connection line 83, and the fourth connection line 84 include data between devices such as a LAN (Local Area Network) cable and a USB (Universal Serial Bus) cable.
  • LAN Local Area Network
  • USB Universal Serial Bus
  • the processing device 7 includes a worker state determination function unit 71 that determines the worker state of the worker 3 and a component work determination function unit 72 that determines the component work of the work performed by the worker 3.
  • the worker state determination function unit 71 includes a worker position determination unit 710 that determines the position of the worker 3, a worker position change determination unit 711 that determines a change in the position of the worker 3, and an operating state of the facility 1.
  • An equipment operation state determination unit 712 that determines whether the worker is operating, and a worker state determination unit 713 that determines the state of the worker 3 from the information.
  • the worker position determination unit 710 detects the barcode from the image taken by the camera 6. This bar code is attached to the worker 3.
  • the worker position determination unit 710 includes an alphanumeric character, a figure, a symbol, etc. included in the detected barcode and a list of the workers 3 defined in the worker master 511 stored in the data storage unit 51 of the server 5. Are compared to determine whether or not there is an operator 3 who matches the alphanumeric characters, figures, symbols, etc. included in the barcode.
  • the worker position determination unit 710 determines the position of the barcode as the current position of the worker 3.
  • the worker position determination unit 710 inputs the determination result to the worker position change determination unit 711. Further, when there is no matching worker 3, the worker position determination unit 710 ends the subsequent processing and shifts to the processing of the element work determination function unit 72.
  • the worker position change determination unit 711 acquires a worker status history 512, which is a history of the current status of the worker 3, from the data storage unit 51 of the server 5.
  • the worker position change determination unit 711 acquires the previous worker position of the worker 3 from the acquired worker state history 512.
  • the worker position change determination unit 711 determines the position of the worker 3 based on the acquired previous worker position of the worker 3 and the current position of the worker 3 input from the worker position determination unit 710. Determine changes.
  • the worker position change determination unit 711 inputs the determined result to the worker state determination unit 713.
  • the equipment operation state determination unit 712 acquires the operation state history of the equipment 1 from the equipment operation state history 513 stored in the data storage unit 51 of the server 5.
  • the equipment operating state determination unit 712 determines the current operating state of the equipment 1 based on the acquired history of the operating state of the equipment 1.
  • the equipment operating state determination unit 712 inputs the determined current operating state to the worker state determination unit 713.
  • the worker state determination unit 713 indicates the determination result of the position change of the worker 3 input from the worker position change determination unit 711 and the determination result of the operating state of the equipment 1 input from the equipment operating state determination unit 712.
  • the worker state master 510 stored in the data storage unit 51 of the server 5 is collated to determine the worker state of the worker 3.
  • the worker state determination unit 713 adds the determined worker state of the worker 3 to the end of the worker state history 512 of the current worker 3 and stores it in the server 5.
  • the element work determination function unit 72 determines an equipment/article position determination unit 720 that determines the position of the site of the equipment 1 or the article 2 and an equipment/article position change determination that determines the position change of the site of the equipment 1 or the article 2.
  • a unit 721 and an element work determination unit 722 that determines element work from these pieces of information are provided.
  • the equipment/article position determination unit 720 detects a barcode from the image taken by the camera 6.
  • the equipment/article position determination unit 720 is a part of the equipment 1 defined in the equipment/article master 516 stored in the data storage unit 51 of the server 5 and the alphanumeric characters, figures, symbols included in the detected barcode. Alternatively, it is determined whether or not there is a part of the facility 1 or the article 2 that matches the alphanumeric characters, figures, symbols, etc. included in the barcode by comparing the list of the articles 2.
  • the equipment/article position determination unit 720 determines the position of the bar code as the current location of the equipment 1 or the position of the article 2 when there is a matching portion of the equipment 1 or the article 2.
  • the equipment/article position determination unit 720 inputs the determination result to the equipment/article position change determination unit 721. Further, when there is no matching part of the equipment 1 or the article 2, the equipment/article position determination unit 720 ends the subsequent processing.
  • the equipment/article position change determination unit 721 acquires the previous position of the site of the equipment 1 or the article 2 from the element work history 517 stored in the data storage unit 51 of the server 5.
  • the element work history 517 stores a history of element work performed by the worker 3 on the part of the facility 1 or the article 2.
  • the equipment/article position change determination unit 721 determines whether the acquired site of the equipment 1 or the previous position of the article 2 and the current site of the equipment 1 or the position of the article 2 input from the equipment/article position change determination unit 721. Based on this, the position change of the site of the equipment 1 or the article 2 is determined.
  • the equipment/article position change determination unit 721 inputs the determination result to the element work determination unit 722.
  • the element work determination unit 722 uses the element work master 514 stored in the data storage unit 51 of the server 5 as the determination result of the position change of the part of the equipment 1 or the article 2 input from the equipment/article position change determination unit 721. Collate.
  • the element work determination unit 722 determines the element work that constitutes the work in the facility 1 based on the collated result.
  • the element work determination unit 722 adds the determined element work to the end of the element work history 517 stored in the server 5.
  • the processing device 7 can execute the processing of the worker state determination function unit 71 and the element work determination function unit 72 illustrated in FIG. 2 by executing the program stored in the storage unit 733 described later. That is, the processing device 7 is a computer that executes a program.
  • the processing device 7 includes a processor 730 that executes various programs, a memory 731 that expands the various programs or temporarily stores data, a communication interface 732 that communicates with the outside, and a storage that stores various programs and various data.
  • a unit 733, an I/O (Input/Output) port 734 for connecting the camera 6, and a data bus 735 are provided.
  • the processor 730, the memory 731, the communication interface 732, the storage unit 733, and the I/O port 734 are connected to each other via the data bus 735.
  • the processor 730 reads the program stored in the storage unit 733, expands it in the memory 731, and executes the processing by the worker state determination function unit 71 and the element work determination function unit 72 shown in FIG.
  • the processor 730 can be configured using a processing device such as a CPU (Central Processing Unit) and an MPU (Micro-Processing Unit).
  • the memory 731 can be configured using a storage element and a storage medium such as a RAM (Random Access Memory) and a volatile or nonvolatile semiconductor memory such as a flash memory.
  • the communication interface 732 is an interface for transmitting and receiving data between the processing device 7 and the server 5 via the third connection line 83.
  • the communication interface 732 can be configured by using an interface such as LAN or USB that conforms to the wiring standard of the third connection line 83.
  • the I/O port 734 is an interface for transmitting and receiving signals input to and output from the processing device 7.
  • the camera 6 is connected to the processing device 7 via the I/O port 734.
  • the terminal 9 can read various databases stored in the server 5. Then, the terminal 9 acquires necessary data from various databases and displays the equipment operating state of the equipment 1, the worker status of the worker 3, the operating status of the equipment 1 and the worker status of the worker 3. It is possible to perform the processing such as the display of the association state of, the display of the state of element work in the work performed by the worker 3, and the like.
  • the terminal 9 has a data acquisition unit 920 that acquires data from the database of the server 5, a display data generation unit 921 that generates display data, and a display data display process that causes the display device 91 to display the generated display data.
  • 925 and an element work time chart display processing unit 926 for displaying the element work time chart on the display device 91.
  • the data acquisition unit 920 uses the worker state history 512, the equipment operation state history 513, and the element work history 517 stored in the data storage unit 51 of the server 5 shown in FIG. Acquire data on the worker status of.
  • the display data generation unit 921 determines the operating status of the equipment 1 and the worker status of the worker 3 based on the data on the operating status of the equipment 1 and the worker status of the worker 3 acquired by the data acquisition unit 920. Generate display data.
  • the display data display processing unit 922 displays the display data generated by the display data generation unit 921 on the display device 91.
  • the man-machine chart generation unit 923 sets the operating state of the facility 1 and the worker state of the worker 3 based on the data on the operating state of the facility 1 and the worker state of the worker 3 acquired by the data acquisition unit 920. Generate a man-machine chart showing the federation state.
  • the man-machine chart display processing unit 924 displays the man-machine chart generated by the man-machine chart generation unit 923 on the display device 91.
  • the element work time chart generation unit 925 is an element indicating the state of the element work in the work performed by the worker 3, based on the data on the operating state of the facility 1 and the worker state of the worker 3 acquired by the data acquisition unit 920. Generate a work time chart.
  • the element work time chart display processing unit 926 displays the element work time chart generated by the element work time chart generation unit 925 on the display device 91.
  • FIG. 5 An example of the man-machine chart and element work time chart displayed on the display device 91 will be described with reference to FIGS. 5 and 6. As shown in FIG. 5, the man-machine chart displays detailed movements of both the worker 3 and the equipment 1 along the flow of time.
  • the terminal 9 acquires data for a specific period from a worker status history 512 and an equipment operation status history 513 described later, and generates a man-machine chart based on the acquired data.
  • the length of the section of each work in the man-machine chart is determined based on the time calculated by the difference of the start date and time of each work.
  • the items “preparation”, “jig replacement”, and “others” of the worker 3 shown in the man-machine chart are determined based on the worker state defined in the worker state master 510 described later. ..
  • the “other” item of the worker 3 is a state of the worker 3 which is not defined in the worker state master 510, for example, the worker 3 is walking, and the worker 3 is not related to the facility 1. I am working on it.
  • the items “operating” and “stopping” of the equipment 1 shown in the man-machine chart are determined based on the equipment operating state code of the equipment operating state history 513. Note that, here, the codes other than the normal operation of the equipment operation status code 0000 are displayed as the item of “stop”.
  • FIG. 5 shows that while the equipment 1 is operating, the worker 3 is preparing to walk, perform other operations not related to the work in the equipment 1, and replace the machining jig in the equipment 1. Further, it indicates that the worker 3 is exchanging the processing jig while the facility 1 is stopped. Thereby, the manager of the equipment 1 can grasp the combined status of the working status of the worker 3 and the operating status of the equipment 1.
  • This element work time chart displays the state of the element work in the work performed by the worker 3.
  • the terminal 9 acquires data for a specific period from the element work history 517 described below, and generates an element work time chart based on the acquired data.
  • the length of each section in the element work time chart is determined based on the time calculated by the difference in the start date and time of each element work. Further, the “working part door open”, “jig removal”, “jig attachment”, and “working part door closed” of the worker 3 shown in the element work time chart are defined in the element work master 514 described later. It is determined based on the element work performed.
  • FIG. 6 shows that the worker 3 opens the processing section door of the workpiece processing section 11 of the equipment 1 shown in FIG. 1, removes and installs the processing jig, and closes the processing section door.
  • This shows the element work of the replacement work of the processing jig by the worker 3.
  • the manager of the facility 1 or the analyst who analyzes the data in the facility 1 can grasp the status of the elementary work for each worker 3.
  • the man-machine chart and the element work time chart shown in FIG. 5 are automatically generated in the terminal 9 and displayed on the display device 91.
  • 925 and the element work time chart display processing unit 926 can be realized by executing the display data generation/display processing program stored in the storage unit 933. That is, the terminal 9 is a computer that executes the display data generation/display processing program.
  • the terminal 9 includes a processor 930, a memory 931, a display controller 932, a storage unit 933, a communication interface 934, and a data bus 935.
  • the processor 930, the memory 931, the display controller 932, the storage unit 933, and the communication interface 934 are connected to each other via a data bus 935.
  • the processor 930 reads out the display data generation/display processing program stored in the storage unit 933, expands it in the memory 931 and executes it.
  • the processor 930 can be configured using a processing device such as a CPU or MPU.
  • the memory 931 can be configured using a storage element and a storage medium such as a RAM or a nonvolatile memory such as a flash memory or a volatile semiconductor memory.
  • the display controller 932 is a controller that outputs various display data to the display device 91.
  • the display controller 932 can be configured using a video signal output device such as a video card, a GPU (Graphics Processing Unit), or a graphic board.
  • the communication interface 934 is an interface for transmitting/receiving data to/from the server 5 via the fourth connection line 84.
  • the communication interface 934 can be configured by using an interface such as LAN, USB or the like that conforms to the wiring standard of the fourth connection line 84.
  • the production improvement support system 100 determines the position of the facility 1, the position of the article 2 or the worker 3 to determine the worker state indicating the condition of the worker 3 and the component work constituting the work performed by the worker 3. Identify. The determination of the part of the equipment 1, the position of the article 2 or the worker 3 is performed by specifying the position of the part of the equipment 1, the bar code attached to the article 2 or the worker 3 included in the image captured by the camera 6. Done. The process of identifying the position of this barcode will be described below.
  • the process of identifying the position of the barcode is executed by the worker position determination unit 710 and the equipment/article position determination unit 720 of the processing device 7 shown in FIG.
  • the worker position determination unit 710 or the equipment/article position determination unit 720 divides the image captured by the camera 6 into a grid pattern. For example, as shown in FIG. 8, the grid is divided into seven horizontal grids and four vertical grids.
  • the image divided into the grid shape is referred to as an image division map 64.
  • each of the divided images in the image division map 64 will be referred to as an image division cell 640.
  • the image division cell 640 includes a total of 28 cells in which the farthest left end when viewed from the camera 6 is A1, and B1, C1, D1,..., G4 in order.
  • the cells A1 to G1 are hereinafter referred to as A1 cell, B1 cell, C1 cell and the like. Further, the A1 cell, the B1 cell, the C1 cell, and the like will be referred to as cell names.
  • the worker position determination unit 710 or the equipment/article position determination unit 720 detects which cell of the image division cell 640 the bar code attached to the site of the equipment 1, the article 2 or the worker 3 is. , The position of the article 2 or the worker 3 is determined.
  • FIG. 9 shows an image of the first shooting area 610 which is the shooting area of the first camera 61 shown in FIG.
  • This image includes the unprocessed work storage area 13, the work supply unit 10 of the facility 1, the worker 3, and the article 2 held by the worker 3.
  • the position of the article 2 gripped by the worker 3 is determined.
  • the equipment/article position determination unit 720 of the processing device 7 shown in FIG. 2 divides the image of the first imaging region 610 into, for example, seven horizontal grids and four vertical grids, and creates an image partition map 64. To generate. As shown in FIG. 9, the image division cell 640 includes a total of 28 cells in which the farthest left end when viewed from the first camera 61 is A1, and B1, C1, D1,..., G4 in order. Has been.
  • the equipment/article position determination unit 720 sets the A1 cell as the initial cell of the search target cell and determines the presence or absence of the barcode. If there is a bar code, the position of the cell and the alphanumeric characters, symbols, etc. read from the bar code are temporarily stored in the memory 731 of the processing device 7 shown in FIG. The position of the cell temporarily stored in the memory 731 and the read alphanumeric characters, symbols and the like are used for the processing of the processing device 7 shown in FIG. 2 and finally the database in the data storage unit 51 of the server 5. Stored in. If there is no bar code, the search target cell is moved to the next B1 cell and the presence or absence of the bar code is determined. This determination is performed for each cell in order from C1, D1,..., G4 cells to determine the presence or absence of a barcode.
  • the equipment/article position determination unit 720 determines that the barcode attached to the article 2 is in the D3 cell. Then, the equipment/article position determination unit 720 stores this D3 cell in the memory 731 of the processing device 7 as the position of the cell in which the article 2 is located.
  • FIGS. 10A to 10F show the data tables of the database stored in the data storage unit 51 of the server 5 shown in FIG.
  • the database stored in the data storage unit 51 is a worker state master 510 that defines the image of the worker 3 and the state of the worker 3 in association with each other, and a list of the workers 3 who work on the facility 1.
  • An equipment/article master 516 and an element work history 517 which is a history of element work by the worker 3.
  • FIG. 10A shows a data table included in the worker status master 510.
  • the worker state ID indicating the worker state of the worker 3
  • the worker state name indicating the name of the worker state of the worker 3
  • the worker 3 is attached. It includes a worker bar code position indicating the position of the bar code, a previous worker status ID, and an equipment operation status code indicating the operation status of the equipment 1.
  • a unique number for each worker state of the worker 3 or a code combining alphanumeric characters and symbols is defined.
  • a unique name for each worker state of the worker 3 is defined as the worker state name.
  • the same worker state ID and worker state name are used by all the workers 3. For example, as shown in FIG. 10A, when the worker state ID is 10011, the worker state name is defined as work supply preparation.
  • the position of the barcode which is a reference for determining the position of the worker 3 in each worker state, is defined in the worker barcode position.
  • the worker bar code position is a number indicating which camera of the first camera 61, the second camera 62, and the third camera 63 has taken the image for determining the bar code position, and the image division map.
  • the names of the cells in 64 are defined. For example, as shown in FIG. 10A, when the worker state ID is 10011 and the worker state name is "work preparation ready", it is defined as "1-C2". This means that there is a bar code attached to the worker 3 in the C2 cell of the image taken by the first camera 61.
  • the previous worker state ID defines a worker state ID indicating the worker state that should be performed immediately before this worker state. If there is no worker state to be performed immediately before, "-" indicating a blank is defined. For example, as shown in FIG. 10A, when the worker state ID is 10011 and the worker state name is “work supply preparation”, there is no worker state to be performed immediately before, so “ ⁇ ” indicating a blank is defined. .. When the worker state ID is 10012 and the worker state name is work supply, the worker state to be performed immediately before is work supply preparation. Therefore, the worker state ID 10011 indicating the work supply preparation is defined as the previous worker state ID.
  • the equipment operating state code is a code indicating the operating state of the equipment 1 during each worker state, and is defined based on the signal transmitted from the equipment control unit 4 of the equipment 1 shown in FIG. A unique code is assigned to this code according to the operating state of the equipment 1.
  • the equipment operation status code is, for example, 0000 indicating normal operation, 0001 indicating waiting for a workpiece to wait for a workpiece to be processed, 0002 indicating a chuck error, 0003 indicating that the number of times the machining jig has been used exceeds the upper limit, For example, 0004 indicating exchange.
  • this worker status master 510 is created for each worker 3. This is because the position of the attached barcode may be different depending on the body length such as the arm length and height of each worker 3, so that the worker state of the worker 3 is determined by using the same worker state master 510. This is because there are cases where it cannot be done.
  • FIG. 10B shows a data table of the worker master 511.
  • the worker master 511 defines a list of workers 3 who work on the facility 1.
  • the worker master 511 includes the worker ID and the worker name of each worker 3.
  • a unique code is defined for each worker 3 as the worker ID. This code is, for example, a combination of alphanumeric characters, symbols and figures. Further, as the worker name, a proper name such as the name and initials of each worker 3 is defined.
  • FIG. 10C shows a data table of the worker status history 512.
  • the data table of the worker status history 512 is a data table that summarizes the work history of the worker 3.
  • the data table of the worker status history 512 is created for each worker 3.
  • the start date and time when the work is started by the worker 3 the worker barcode position indicating the position of the barcode attached to the worker 3, and the immediately preceding work. It includes a previous worker state ID indicating the worker state ID of the worker 3, a facility operating state code indicating the operating state of the facility 1, and a worker state ID indicating the working state of the worker 3.
  • the worker bar code position is a number indicating which camera of the first camera 61, the second camera 62, and the third camera 63 has taken the image for determining the bar code position, and the image division map 64.
  • the name of the cell in is input.
  • the worker state ID of the worker 3 immediately before is input to the worker state ID. If there is no immediately preceding worker state ID, "-" indicating blank is input.
  • the equipment operation status code a code indicating the operation status of the equipment 1 corresponding to the signal transmitted from the equipment control unit 4 shown in FIG. 1 is input.
  • the worker status ID the current worker barcode position, the previous worker status ID, and the equipment operation status code are compared with the data table of the worker status master 510 in FIG.
  • the person state ID is input. If the worker state of the worker 3 is not defined in the worker state master 510, "-" indicating blank is input to the worker state ID.
  • the state not defined in the worker state master 510 is, for example, a state in which the worker 3 is walking, the worker 3 is performing a work not related to the facility 1, or the like.
  • FIG. 10D shows a data table of the facility operation status history 513.
  • the equipment operating state history 513 is a history of operating states of the equipment 1.
  • the start date and time indicating the starting date and time of each operating state in the equipment 1, and the equipment operating state code indicating the operating state of the equipment 1 corresponding to the signal transmitted from the equipment control unit 4 are stored. including.
  • FIG. 10E shows a data table of the element work master 514.
  • the element work ID indicating the element work in the work performed by the worker 3 with respect to the equipment 1 or using the article 2
  • the element work name indicating the name of the element work
  • the equipment 1 It includes a plurality of barcode positions indicating the positions of barcodes attached to parts or n articles 2, and the previous element work ID.
  • n is a natural number of 1 or more.
  • the element work ID defines a unique number for each element work in the work performed by the worker 3, a code combining alphanumeric characters, and the like.
  • a unique name is defined for each element work as the element work name.
  • the same element work ID and element work name are used by all operators 3. For example, as shown in FIG. 10E, in the case of the element work ID 20011, the element work name is the processing unit door open.
  • the barcode position is defined as a reference barcode position that indicates the position of the barcode attached to each part of the facility 1 or each of the n articles 2.
  • the bar code position is a number indicating which of the first camera 61, the second camera 62, and the third camera 63 has taken the image for determining the bar code position, and the image division map 64.
  • the cell names of and are defined. For example, as shown in FIG. 10E, when the element work ID is 20011 and the element work name is the opening of the processing section door, it is defined as “2-E3”.
  • An element work ID indicating the immediately preceding element work is defined in the last element work ID. If there is no element work to be performed immediately before, "-" indicating a blank is defined. For example, as shown in FIG. 10E, when the element work ID is 20011 and the element work name is the opening of the processing section door, there is no element work to be performed immediately before, and thus “-” indicating a blank is defined. Further, when the element work ID is 20013 and the element work name is jig removal, the element work to be performed immediately before is to open the processing section door. Therefore, the element work ID 20011 indicating that the processing section door is opened is defined as the previous element work ID.
  • the data table of the element work master 514 is created for each worker 3. This is because the position where the article 2 is gripped may differ depending on the body length such as the arm length and height of each worker 3, and therefore the position of the article 2 may not be determined using the same element work master 514. Is.
  • FIG. 10F shows a data table of the equipment/article master 516.
  • the equipment/article master 516 defines the parts of the equipment 1 on which the worker 3 performs work, or the articles 2 used for the work of the worker 3.
  • the data table of the equipment/article master 516 includes the equipment/article ID indicating the part of the equipment 1 or the article 2 and the equipment/article name that is the name of the part of the equipment 1 or the article 2.
  • This equipment/article ID defines, for example, a unique ID in which alphanumeric characters, symbols, figures, etc. are combined.
  • the facility/article ID includes a worker ID shown in the worker master 511 of FIG. 10B as a part of the facility/article ID, and a unique ID is defined for each worker 3. May be easily identifiable. Further, the equipment/article name defines a specific name of the part of the equipment 1 or the article 2.
  • FIG. 10G shows a data table of the element work history 517.
  • the data table of the element work history 517 shows the start date and time indicating the start date and time of the element work, a plurality of barcode positions attached to the facility 1 or the article 2, the previous element work ID, and the current element work. Contains the element work ID.
  • the start date and time of the element work determined by the element work determination unit 722 of the processing device 7 shown in FIG. 2 is input.
  • the plurality of bar code positions attached to the equipment 1 or the article 2 which of the first camera 61, the second camera 62, and the third camera 63 has taken the image for determining the bar code position?
  • the name of the cell in the image division map 64 are input.
  • the immediately preceding element work ID is input as the previous element work ID. If there is no immediately preceding element work, "-" indicating blank is input.
  • a plurality of bar code positions attached to the current facility 1 or article 2 and the previous element work ID are compared with the data table of the element work master 514 in FIG.
  • the element work ID is input.
  • the worker status master 510 and the element work master 514 are examples of the definition database described in the claims.
  • the worker status history 512 and the equipment operation status history 513 are examples of the first history database described in the claims.
  • the equipment operating state history 513 is an example of a second history database described in the claims.
  • FIG. 11 shows the operation processing of the production improvement support system 100.
  • the equipment control unit 4 of the equipment 1 shown in FIG. 1, the server 5, the processing device 7, and the terminal 9 operate in cooperation.
  • the operation process of the production improvement support system 100 is a program configured by each program that operates in each of the equipment control unit 4, the server 5, the processing device 7, and the terminal 9.
  • This operation processing program of the production improvement support system 100 starts and executes a program that operates in each of the equipment control unit 4, the server 5, the processing device 7, and the terminal 9 when the production improvement support system 100 is started. It operates by doing.
  • the equipment control unit 4 acquires the operation information of the equipment 1 and sends it to the server 5 (step S101).
  • the server 5 receives the operation information of the equipment 1 from the equipment control unit 4, the server 5 stores the operation information in the database in the data storage unit 51 (step S102).
  • the processing device 7 acquires an image including the equipment 1 and the worker 3 from the camera 6 (step S103).
  • the processing device 7 determines the worker state from the acquired image (step S104). The determination of the worker state by the processing device 7 will be described below with reference to the flowchart of the worker state determination process shown in FIG.
  • This worker state determination processing is a program executed as the worker state determination function unit 71 of the processing device 7 shown in FIG. First, the worker position determination unit 710 of the worker state determination function unit 71 executes a position determination process in order to detect a barcode from the image acquired from the camera 6 (step S201). This position determination processing will be described below with reference to the flowchart shown in FIG.
  • the worker position determination unit 710 of the worker state determination function unit 71 divides the image acquired from the camera 6 into a grid shape to generate the image division map 64 shown in FIG. 8 (step S301).
  • the worker position determination unit 710 sets the initial cell of the search target cell among the image division cells of the image division map 64 (step S302).
  • the initial cell of the search target cell is, for example, the A1 cell shown in FIG.
  • the worker position determination unit 710 determines whether or not there is a barcode attached to the worker 3 in the search target cell (step S303).
  • step S303 When the barcode exists in the search target cell (step S303; YES), the position of the cell and the alphanumeric characters and symbols read from the barcode are temporarily stored in the memory 731 of the processing device 7 shown in FIG. (Step S304).
  • the worker position determination unit 710 determines whether or not the cell to be the next search target cell is on the image division map 64 (step S305).
  • step S305; YES If there is no cell to be searched (step S305; YES), the worker position determination unit 710 ends the position determination process. If there is a cell to be searched (step S305; NO), the worker position determination unit 710 moves the search target cell to the position of the next cell on the image division map 64 (step S306). For example, the search target cell is moved from the A1 cell to the B1 cell of the image division map 64 shown in FIG. 8 (step S306), and steps S303 to S305 described above are repeated.
  • the worker position determination unit 710 determines whether the cell position and the alphanumeric characters, symbols, etc. read from the barcode are stored in the memory 731 of the processing device 7 shown in FIG. 3 (step S202). When it is stored in the memory 731 (step S202; YES), the worker position determination unit 710 determines that the alphanumeric characters, figures, symbols, etc. included in the barcode stored in the memory 731 and the worker master shown in FIG. 10B. The worker ID defined in 511 is compared to determine whether or not there is a worker 3 who matches the alphanumeric characters, figures, symbols, etc. included in the barcode (step S203). Further, the worker position determination unit 710 ends the worker state determination processing when the cell position and the alphanumeric characters, symbols, etc. read from the barcode are not stored in the memory 731 (step S202; NO). ..
  • the worker position determination unit 710 determines the position of the barcode as the current position of the worker 3.
  • the worker position determination unit 710 inputs the determination result to the worker position change determination unit 711. Further, when there is no matching worker 3 (step S203; NO), the worker position determination unit 710 ends the worker state determination processing.
  • the worker position change determination unit 711 acquires the worker state history 512 of the current worker 3 from the database stored in the data storage unit 51 of the server 5.
  • the worker position change determination unit 711 acquires the previous worker position of the worker 3 from the acquired worker state history 512.
  • the worker position change determination unit 711 determines the position of the worker 3 based on the acquired previous worker position of the worker 3 and the current position of the worker 3 input from the worker position change determination unit 711. Determine changes.
  • the worker position change determination unit 711 inputs the determination result to the worker state determination unit 713 (step S204).
  • the equipment operating state determination unit 712 acquires the operating state of the equipment 1 from the equipment operating state history 513 stored in the data storage unit 51 of the server 5.
  • the equipment operating status determination unit 712 determines the current operating status of the equipment 1 based on the acquired operating status of the equipment 1.
  • the equipment operating state determination unit 712 inputs the determined result to the worker state determination unit 713 (step S205).
  • the worker state determination unit 713 uses the determination result of the position change of the worker 3 input from the worker position change determination unit 711 and the determination result of the operating state of the equipment 1 input from the equipment operating state determination unit 712.
  • the worker state master 510 stored in the data storage unit 51 of the server 5 is collated to determine the worker state of the worker 3 (step S206).
  • the worker state determination unit 713 adds the determined determination result to the end of the worker state history 512 and stores it in the server 5 (step S207).
  • the processing device 7 determines the elemental work on the facility 1 or the article 2 from the acquired image (step S105). The determination of the elemental work by the processing device 7 will be described below with reference to the flowchart of the elemental work determination processing shown in FIG.
  • This element work determination process is a program executed as the element work determination function unit 72 of the processing device 7 shown in FIG.
  • the worker position determination unit 710 of the worker state determination function unit 71 executes a position determination process in order to detect a barcode from the image acquired from the camera 6 (step S401). This position determination processing will be described below with reference to the flowchart shown in FIG.
  • the equipment/article position determination unit 720 of the element work determination function unit 72 executes a position determination process in order to detect a barcode from the image acquired from the camera 6 (step S401). Steps S301 to S305 of the flowchart of the position determination process shown in FIG. 13 are executed.
  • the equipment/article position determination unit 720 determines whether the cell position and the alphanumeric characters and symbols read from the barcode are stored in the memory 731 of the processing device 7 shown in FIG. 3 (step S402). If it is stored in the memory 731 (step S402; YES), the equipment/article position determination unit 720 displays the alphanumeric characters, figures, symbols, etc. included in the bar code stored in the memory 731 and the equipment shown in FIG. 10F. The worker ID defined in the article master 516 is compared to determine whether there is a part of the equipment 1 or an article 2 that matches the alphanumeric characters, figures, symbols, etc. included in the barcode (step S403). If the cell position and the alphanumeric characters and symbols read from the bar code are not stored in the memory 731, the equipment/article position determination unit 720 ends the work required determination process (step S402; NO). ..
  • the equipment/article position determination unit 720 determines the bar code position as the portion of the equipment 1 or the position of the article 2 when there is a matching portion of the equipment 1 or the article 2 (step S403; YES).
  • the equipment/article position determination unit 720 inputs the determination result to the equipment/article position change determination unit 721.
  • the equipment/article position determination unit 720 ends the element work determination processing when there is no matching part of the equipment 1 or the article 2 (step S403; NO).
  • the equipment/article position change determination unit 721 acquires the element work history 517 of the current worker 3 from the database stored in the data storage unit 51 of the server 5.
  • the equipment/article position change determination unit 721 acquires the previous position of the site of the equipment 1 or the article 2 from the element work history 517.
  • the equipment/article position change determination unit 721 is based on the acquired position of the equipment 1 or the previous position of the article 2 and the current position of the equipment 1 or the position of the article 2 input from the equipment/article position determination unit 720. Then, the position change of the site of the equipment 1 or the article 2 is determined (step S404).
  • the equipment/article position change determination unit 721 inputs the determination result to the element work determination unit 722.
  • the element work determination unit 722 uses the element work master 514 stored in the data storage unit 51 of the server 5 as the determination result of the position change of the part of the equipment 1 or the article 2 input from the equipment/article position change determination unit 721. Collate.
  • the element work determination unit 722 determines the element work in the facility 1 based on the collated result (step S405).
  • the element work determination unit 722 adds the determined determination result to the end of the element work history 517 and saves it in the server 5 (step S406).
  • the terminal 9 acquires the data of the worker status history 512, the equipment operation status history 513, and the element work history 517 from the data storage unit 51 of the server 5 illustrated in FIG. 2 by the data acquisition unit 920 illustrated in FIG. (Step S106).
  • the display data generation unit 921 of the terminal 9 uses the worker status history 512, the equipment operation status history 513, and the element work history 517 acquired by the data acquisition unit 920 to determine the operation status of the equipment 1 and the worker status of the worker 3. Display data such as is generated.
  • the display data display processing unit 922 displays the display data generated by the display data generation unit 921 on the display device 91 (step S107).
  • the terminal 9 generates and displays a man-machine chart based on the data acquired from the data storage unit 51 of the server 5 (step S108). The generation and display of the man-machine chart on the terminal 9 will be described below with reference to the flowchart of the man-machine chart display process shown in FIG.
  • the data acquisition unit 920 acquires data of the worker status history 512 and the equipment operation status history 513 from the server 5 (step S501).
  • the man-machine chart generation unit 923 uses the data of the worker status history 512 and the equipment operation status history 513 acquired by the data acquisition unit 920 to obtain data regarding the operation status of the equipment 1 and the worker status of the worker 3 for a specific period. To extract.
  • the man-machine chart generation unit 923 generates a man-machine chart that shows a combined state of the operating state of the equipment 1 and the worker state of the worker 3 (step S502).
  • the man-machine chart display processing unit 924 generates display data for displaying the man-machine chart generated by the man-machine chart generation unit 923 on the display device 91 (step S503).
  • the man-machine chart display processing unit 924 displays the generated display data on the display device 91 of the terminal 9 (step S504).
  • the terminal 9 generates and displays an element work time chart based on the data acquired from the data storage unit 51 of the server 5 (step S109). Generation and display of the element work time chart in the terminal 9 will be described below with reference to the flowchart of the element work time chart display processing shown in FIG.
  • the data acquisition unit 920 acquires the element work history 517 from the server 5 (step S601).
  • the element work time chart generation unit 925 extracts data of element work in a specific period from the element work history 517 acquired by the data acquisition unit 920. This specific period is, for example, a start-up period, a maintenance period, etc. of the equipment 1, and is arbitrarily set by the manager of the equipment 1 or an analyst who analyzes the data of the equipment 1.
  • the element work time chart generation unit 925 generates an element work time chart showing the state of the element work in the work of the worker 3 based on the extracted element work data (step S602).
  • the element work time chart display processing unit 926 generates display data from the element work time chart generated by the element work time chart generation unit 925 (step S603).
  • the element work time chart display processing unit 926 generates the generated display data. Is displayed on the display device 91 (step S604).
  • Step S101 to Step S109 are an example of equipment control steps described in the claims.
  • steps S103 to S105, S108, and S109 are an example of the information generation step described in the claims.
  • the production improvement support system 100 obtains the worker state of the worker 3 and the element work in the work performed by the worker 3 from the image captured by the camera 6, and It can be stored in a database in the data storage unit 51. As a result, it is possible to automatically collect the data regarding the worker state of the worker 3 and the data regarding the element work in the work performed by the worker. Therefore, the burden on the worker 3 can be reduced.
  • the production improvement support system 100 includes the worker state history 512 of the worker 3, the facility operating state history 513 of the facility 1, and the elemental work in the work performed by the worker 3 stored in the database in the data storage unit 51 of the server 5. Based on the data of the history 517, a man-machine chart or element work time chart can be generated and displayed on the display device 91 of the terminal 9.
  • the manager of the equipment 1 or an analyst who analyzes the data of the equipment 1 can understand the operating state of the equipment 1 and the worker state of the worker 3 in association with each other.
  • the manager of the facility 1 or an analyst who analyzes the data of the facility 1 can analyze the difference between each worker 3 or each component work based on the man-machine chart or the component work time chart. Therefore, the manager of the equipment 1 or the analyst who analyzes the data of the equipment 1 can proceed with the improvement activity in a short period of time. Therefore, the production improvement support system 100 can facilitate the analysis.
  • the man-machine chart or the element work time chart allows the manager of the equipment 1 to easily grasp the actual data of the equipment 1 or the worker 3. Therefore, the production improvement support system 100 can support the evaluation of the resources of the equipment 1 and the worker 3.
  • Embodiment 2 In Embodiment 1 described above, the production improvement support system 100 shown in FIG. 1 generates the man-machine chart shown in FIG. 5 and the element work time chart shown in FIG. 6 based on independent data. Then, the display device 91 of the terminal 9 is made to display. However, in this case, the manager of the equipment 1, the analyst who analyzes the data of the equipment 1, and the like visually confirms the operator state of the man-machine chart, and, for example, the working time is too long, the work order is different, etc. The problem will be judged. Then, when a manager, an analyst, or the like of the equipment 1 finds a problematic portion, it manually generates an element work time chart for the period and displays it on the display device 91.
  • the element work time chart corresponding to the period of the worker state in which the work time is too long, the work order is out of order, and the like can be displayed. To do so.
  • FIG. 17 shows an example of the display of the man-machine chart and element work time chart in the second embodiment.
  • a working time is set in advance for each worker state on the man-machine chart.
  • the set work time is an average time when a plurality of workers 3 perform the work, a time set by the manager of the equipment 1, and the like.
  • the production improvement support system 100 When there is a worker state that exceeds the preset work time, the production improvement support system 100 changes the color of the section of the worker state to a color different from the color of the worker state section that does not exceed the work time. Set. Then, the production improvement support system 100 displays the man-machine chart on the display device 91. For example, it is assumed that the item “jig replacement” in the man-machine chart shown in FIG. 17 is a worker state that exceeds a preset work time. In this case, the production improvement support system 100 sets the color of the section T101 indicating the jig replacement to a color different from the colors of the other sections.
  • the production improvement support system 100 generates an element work time chart for the period corresponding to the jig replacement of the man-machine chart, and displays it on the display device 91.
  • the element work time chart for the period corresponding to the section T101 is generated and displayed on the display device 91.
  • the color of the section of the element work that took the longest time in the element work time chart differs from the color of the section of the other element work. Set the color. For example, in the element work time chart shown in FIG. 17, it is assumed that the worker 3 took the longest time to perform the item “fix jig” of the element work.
  • the production improvement support system 100 sets the color of the section T102 indicating jig attachment to a color different from the other sections.
  • the man-machine chart when there are multiple worker states that exceed the preset work time, select all element work time charts corresponding to each worker state or select a specific element work time chart. You may be able to display.
  • the display of the man-machine chart according to the second embodiment can be performed by the man-machine chart display processing shown in FIG. Specifically, in step S502 of the flowchart of the man-machine chart display process, the man-machine chart generation unit 923 shown in FIG. 4 determines that if there is a worker state that exceeds the preset work time, that worker state. The color of the section is set to be different from the color of the section in the worker state where the work time is not exceeded.
  • the display of the element work time chart according to the second embodiment can be performed by the element work time chart display processing shown in FIG. Specifically, in step S602 of the flowchart of the element work time chart display process, the element work time chart generation unit 925 illustrated in FIG. 4 sets the color of the section of the element work that took the longest time to other elements. Set a color different from the color of the work section.
  • the time chart in which the color of the section indicating the worker state in which the preset work time has been exceeded is changed, and the worker state in which the color of the time chart is changed
  • the element work time chart corresponding to the section can be displayed on the display device 91 of the terminal 9.
  • the production improvement support system 100 shown in FIG. 1 uses the man-machine chart and element work time chart shown in FIG. 5 and FIG. 6 or FIG. It is supposed to be displayed on 91.
  • the manager, the analyst, etc. of the equipment 1 are given detailed information from the beginning. For this reason, the manager, the analyst, etc. of the equipment 1 will search for the information that needs to be confirmed from the detailed information. Therefore, the manager of the facility 1, the analyst, etc. may take time to perform the confirmation work. Therefore, in the third embodiment, only the man-machine chart is first displayed on the display device 91 so that the manager of the equipment 1, the analyst, etc. can see the element work time chart as needed.
  • the production improvement support system 100 causes the display device 91 to display only the man-machine chart in which the color of the section in the worker state that exceeds the preset work time is different from the color in the sections in the other worker states.
  • the production improvement support system 100 displays the element work time chart corresponding to the section. Display it.
  • the colors of the sections in the worker state may all be set to the same color or different colors.
  • the production improvement support system 100 sets the color of the section T101 indicating the jig replacement to a color different from the other sections. Then, when the manager of the equipment 1, the analyst, or the like selects the section T101 on the display screen, the production improvement support system 100 generates an element work time chart for the period corresponding to the section T101. The production improvement support system 100 causes the display device 91 to display the generated element work time chart in association with the section T101.
  • the production improvement support system 100 sets the color of the longest element work section in the element work time chart to a color different from the colors of other element work sections when the element work time chart is generated. May be. For example, in the element work time chart shown in FIG. 18, it is assumed that the worker 3 took the longest time to attach the jig for the element work. In this case, the production improvement support system 100 sets the color of the section T102 indicating jig attachment to a color different from that of the other sections.
  • Steps S701 to S707 are the same as the processing of the flowchart of the operation processing of the production improvement support system 100 shown in FIG. Further, step S708 is the same as the man-machine chart display process described in the second embodiment.
  • the equipment control unit 4 of the production improvement support system 100 shown in FIG. 1 determines whether the manager of the equipment 1, the analyst, or the like has selected, on the display screen, a section in a worker state with different colors in the time chart. It is determined (step S709).
  • the equipment control unit 4 causes the terminal 9 to execute the element work time chart display process (step S710).
  • the element work time chart display process is the same as the process described in the second embodiment.
  • the equipment control unit 4 returns to step S701.
  • the equipment control unit 4 repeats the processing from step S701 to step S710.
  • the production improvement support system 100 initially displays only the man-machine chart on the display device 91. Then, when the administrator of the equipment 1, the analyst, or the like selects a section in the worker state whose color is different from that of the other section on the display screen, the production improvement support system 100 selects the section indicating the worker state. The element work time chart for the corresponding period is generated and displayed on the display device 91. As a result, detailed information cannot be given to the manager, the analyst, and the like of the equipment 1 from the beginning, so that it is possible to reduce the possibility of troublesome confirmation work. Further, it is possible to suppress an error in which the manager, the analyst, or the like of the equipment 1 considers the improvement for the elemental work in which no problem has occurred.
  • the production improvement support system 100 can be realized by cooperating the facility control unit 4, the server 5, the processing device 7, and the terminal 9.
  • a computer-readable CD-ROM (Compact Disc Read Only Memory) or DVD-ROM (Digital) stores programs for realizing the functions of the equipment control unit 4, the server 5, the processing device 7, and the terminal 9 described above.
  • a computer capable of realizing the above-described functions may be configured by storing and distributing the program in a recording medium such as Versatile Disc Read Only Memory) and installing the program in the computer. Then, when each function is realized by the sharing of the OS (Operating System) and the application or the cooperation of the OS and the application, only the application may be stored in the recording medium.
  • OS Operating System
  • the facility 1 is a work processing device that processes a work.
  • the facility 1 may be any device as long as it is a device for manufacturing a product, such as a semiconductor manufacturing device for processing a substrate to manufacture a semiconductor chip, a molding device for manufacturing a component from a material such as metal or resin. May be
  • the camera 6 is the three cameras of the first camera 61, the second camera 62, and the third camera 63, but is not limited to this, and one camera 6 or Any number of units may be provided.
  • the man-machine chart or element work time chart is automatically generated and displayed by the terminal 9.
  • the present invention is not limited to this, and may be manually generated and displayed by the operator 3 of the facility 1, the manager, and the analyst who analyzes the data of the facility 1.
  • the processing device 7 processes the image captured by the camera 6 to detect the position of the equipment 1, the article 2, and the position of the worker 3.
  • the production improvement support system 100 is not provided with the camera 6, and an image captured by an external device is acquired and processed by the processing device 7, whereby the parts of the facility 1, the article 2, and the position of the worker 3 are determined. It may be detectable.
  • the image acquisition unit in the claims corresponds to an input terminal for inputting an image to the production improvement support system 100.
  • the terminal 9 is provided with the display device 91.
  • this display device 91 may be externally attached to the production improvement support system 100 as long as it is a display capable of displaying a man-machine chart, element work time chart, and the like.
  • the terminal 9 corresponds to the display device 91 as a data output terminal to an externally attached display.
  • what is externally attached may be a display, a head mounted display, or the like.
  • the production improvement support system 100 can be realized by cooperating the equipment control unit 4, the server 5, the processing device 7, and the terminal 9.
  • the facility control unit 4, the server 5, the processing device 7, and the terminal 9 may not be separate bodies, but may be a single device.
  • the production improvement support system 100 stores various databases in the data storage unit 51 of the server 5.
  • the various databases may not be stored in the data storage unit 51 of the server 5, but may be stored in any of the equipment control unit 4, the processing device 7, the terminal 9, the equipment outside the production improvement support system 100, and the like.
  • the equipment control unit 4, the processing device 7, and the terminal 9 may perform various processes by using data of various databases stored in any of them.
  • the bar code attached to the worker 3 for determining the position of the worker 3 includes alphanumeric characters, figures, symbols and the like.
  • the present invention is not limited to this, and the worker 3 may be provided with a color barcode that can obtain an identification number by recognizing a color arrangement, a combination, and the like.
  • the present disclosure can be suitably used for a production improvement support system.

Abstract

La présente invention porte sur un système d'aide à l'amélioration de la production comportant : une base de données de définition qui comprend un maître d'état d'opérateur et un maître d'opération d'élément; une première base de données d'historiques; une seconde base de données d'historiques; une unité de commande d'installation (4) qui commande une installation (1) et stocke des données relatives à un état de fonctionnement dans la seconde base de données d'historiques; un dispositif de traitement (7) qui identifie l'état d'un opérateur (3) en appliquant une image de l'opérateur (3) dans une image acquise au maître d'état d'opérateur, identifie une opération d'élément effectuée par l'opérateur (3) en appliquant des images de l'installation (1) et d'un article (2) dans l'image acquise au maître d'opération d'élément, et stocke des données indiquant l'état identifié de l'opérateur (3) et l'opération d'élément dans la première base de données d'historiques; et un terminal (9) qui génère et délivre des informations indiquant une relation entre l'état de fonctionnement de l'installation (1) et l'état de l'opérateur (3) et des informations indiquant le contenu de l'opération d'élément sur la base de la seconde et de la première base de données d'historiques.
PCT/JP2020/004059 2019-02-08 2020-02-04 Système d'aide à l'amélioration de la production, procédé et programme WO2020162435A1 (fr)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010257296A (ja) * 2009-04-27 2010-11-11 Mitsubishi Electric Corp 生産改善支援システム
JP2017010278A (ja) * 2015-06-22 2017-01-12 株式会社ブロードリーフ 作業分析装置及び作業分析方法
WO2018189845A1 (fr) * 2017-04-12 2018-10-18 株式会社日立物流 Système et procédé de gestion de travail

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010257296A (ja) * 2009-04-27 2010-11-11 Mitsubishi Electric Corp 生産改善支援システム
JP2017010278A (ja) * 2015-06-22 2017-01-12 株式会社ブロードリーフ 作業分析装置及び作業分析方法
WO2018189845A1 (fr) * 2017-04-12 2018-10-18 株式会社日立物流 Système et procédé de gestion de travail

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