JP2007102644A - Production management device, production management method, production management program, recording medium which records production management program and production system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a production management device capable of reducing man-hour required from discovery of a task to factor analysis in a production system. <P>SOLUTION: A graph display part 16 totals information indicating processing statuses regarding the respective work IDs and performs control for displaying processing status analysis information based on at least one parameter on a display device 2B as an analysis result of processing statuses. When an improvement object specification part 15 accepts input of a parameter value of an event for improvement from a user, a work ID list display part 14 displays a list of applicable work IDs. A work ID/process specification part 13 recognizes a work ID selected by the user from the list of work IDs and a selected process and an image display part 12 displays a pickup image regarding the selected work ID and the process on the display device 2B. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a production management apparatus, a production management method, a production management program, and a recording medium on which a production management program is recorded, which monitors the work of each process in a production system and supports factor analysis when a delivery delay or failure occurs. , And the production system.

  With the shortening of the product life cycle and the diversification of user needs, the manufacturing industry is forced to respond to high-mix low-volume production, short delivery time production, variable-volume production, and the like. In response to such environmental changes, an increasing number of factories are shifting from automated lines where machines automatically process and assemble products to hand-assembled lines where people manually process and assemble.

  The hand-assembled line is a production method in which multi-skilled workers share work flexibly in a small-scale line. The cell production system is a form of hand-assembled line.

  In the hand-assembled line, an operator performs production using a work table and jigs, and there is no need to provide a large-scale automatic production machine, so there is an advantage that equipment can be simplified. Moreover, since various production processes can be realized by changing the contents of work performed by the worker, there is also an advantage that a large variety of products can be produced in a short delivery time.

  In the hand-assembled line, a series of operations necessary for product production is divided into a plurality of processes, and a work place and a work procedure are determined for each process. An operator is assigned to each process, and a product is completed when all the operations from the first process to the last process are executed in order. There are various forms of the number of workers arranged in the entire line and the number of processes handled by one worker.

  In general, in a factory, improving competitiveness by improving productivity is the utmost proposition, and daily improvement activities are important for that purpose. The first step in improvement activities is to quantitatively grasp the production capacity of the line. With hand-assembled lines, the quality of the work method greatly affects the production capacity of the line, but it is difficult to directly quantify work by a wide variety of flexible people. Therefore, the production capacity of the line is usually quantified indirectly by the working time. The working time is one criterion for determining whether the working method is good or bad.

  Also, when a defect occurs, the production ID of the line is quantified from the viewpoint of quality improvement by keeping a record of the work ID and defect type in which the defect occurred and calculating the number of defects and the defect rate. .

  Once you have a quantitative understanding of the production capacity of the line, you will then discover the issues and identify the events that should be improved. Specifically, the information (measurement time and defect type for each process) that is measured and recorded for each product is first aggregated to create a graph, and after determining the overall trend, the conditions for the event to be improved are determined. . In the example shown in FIG. 42, “work time is 70 minutes or more” from the work time histogram and “defects due to scratches” are determined to be improved from the Pareto chart of the number of defects.

After finding the problem, perform a factor analysis to determine the cause of the problem. Finally, by removing the factor, it is possible to prevent the recurrence of the event targeted for improvement in the problem discovery or reduce the frequency of occurrence.
Japanese Laid-Open Patent Application No. 08-126036 (Publication date: May 17, 1996 (1996))

  In the above factor analysis, for example, factors that cause events such as “working time of 70 minutes or more” and “defect due to scratches” are accurate unless the work scene of the hand-assembled line at that time is actually confirmed visually. I don't know. Therefore, the site is recorded as a video, and the images at the time of production of each product included in the event to be improved are reproduced to determine the cause. Specifically, the work ID of the product included in the improvement target event is confirmed, the production time of each product is checked, the image is reproduced by designating the time one by one. Therefore, detailed and troublesome work is required, and a great number of man-hours are required for factor analysis.

  Patent document 1 is mentioned as a prior art for improving the efficiency of factor analysis. This Patent Document 1 displays a graph with the measurement value as the worker's burden evaluation coefficient on the vertical axis and the elapsed time on the horizontal axis, and by specifying the playback time on the time axis, A technique for replaying and displaying a photographed image of the work situation is disclosed.

  However, this technique merely displays the state of the measurement value that changes with the passage of time in synchronization with the image. In other words, after confirming the work time of each product included in the improvement target event, it is necessary to specify the reproduction time of the captured image of the work situation. Therefore, there is a problem that the factor analysis still requires a great number of man-hours.

  The present invention has been made in view of the above-mentioned problems, and the object thereof is a production management device and production management capable of reducing the man-hours required from problem discovery to factor analysis in a production system. To provide a method, a production management program, a recording medium on which the production management program is recorded, and a production system.

  A production management device according to the present invention is a production management device that manages the processing status of a production system that performs processing on a target object in a plurality of steps in order to solve the above-described problems, and the work in each step Information indicating the processing status related to the object specifying information for specifying the object to be processed in each process described above and the image display means for performing control to display the process image indicating the environment on the display device, and processing As a result of the situation analysis, a processing situation display means for performing control to display processing situation analysis information based on at least one parameter on the display device, and a processing situation analysis information displayed by the processing situation display means, a specific condition is selected. Receiving a selection input for selecting a parameter value from a user, and comprising object specifying means for specifying object specifying information corresponding to the selected parameter value The object in which the image display means indicates the correspondence between the object identification information and the process image when the object corresponding to each object identification information is performed in each process. By referring to the object-process related information, control is performed to display the process image corresponding to the object specifying information specified by the object specifying means.

  The production management method according to the present invention is a production management method for managing the processing status of a production system that processes a target object in a plurality of processes, and includes a process image indicating a work environment in each of the above processes. An image display step for performing control to be displayed on the display device, and information indicating the processing status regarding the target object specifying information for specifying each target object to be performed in each of the above processes are totaled, and as an analysis result of the processing status, A processing status display step for controlling the display device to display processing status analysis information based on at least one parameter, and a selection for selecting a specific parameter value from the processing status analysis information displayed in the processing status display step A target specifying step for receiving input from a user and specifying target specifying information corresponding to the selected parameter value. In the image display step, the object indicating the correspondence between the object identification information and the process image when the object corresponding to the object identification information is worked in each process. -It is a method of performing control to display the process image corresponding to the object specifying information specified in the target specifying step by referring to the process related information.

  In the above configuration or method, first, information indicating the processing status related to the object specifying information is aggregated, and processing status analysis information based on at least one parameter is displayed on the display device as the analysis result of the processing status. Then, a selection input for selecting a specific parameter value from the displayed processing state analysis information is received from the user, and object specifying information corresponding to the selected parameter value is specified. Thereafter, a process image corresponding to the specified object specifying information is displayed. That is, the user can display the process image at the time when the work corresponding to the parameter value to be improved is performed only by checking the processing status analysis information and specifying the parameter value to be improved. It becomes possible to make it. Therefore, it is possible to save the troublesome task of specifying the reproduction time of the process image indicating the work status after confirming the work time of each product included in the improvement target event individually, which was necessary in the past. . As a result, the man-hours required from problem discovery to factor analysis in the production system can be greatly reduced.

  The production management apparatus according to the present invention, in the above-described configuration, receives a process detection signal from a process detection apparatus that detects the start and / or end of the process in each of the above processes, and selects an object to be processed. The object identification information for identifying the object is received from the identification device to be identified, and the work performance information in which each object identification information is associated with the work performance time at which each processing detection signal is detected is described above. It further comprises a work record acquisition means for recording in the work record recording section as the object-process related information, and the image display means refers to the work record information recorded in the work record recording section, thereby It is good also as a structure which acquires the work performance time of the target object specific information specified by the object specification means, and displays the said process image from this work performance time.

  According to said structure, matching with the said process image at the time of a workpiece | work being performed in said each process of a target object will be shown by work performance time. Since the work performance time can be recorded by a simple process of recording the reception time of the process detection signal, the process for the above association can be simplified.

  In the production management apparatus according to the present invention, in the above configuration, the target specifying unit extracts one or more target specifying information corresponding to the selected parameter value, and the extracted target specifying information The selection input for selecting specific object specifying information from the user is received from the user, and the image display means corresponds to the object specifying information selected by the user in the target specifying means. It is good also as a structure which performs control which displays a process image.

  According to the above configuration, when there is one or more object specifying information corresponding to the selected parameter value, the user selects specific object specifying information from among them, and then the user selects the object specifying information. It is possible to display a process image corresponding to the object specifying information. Therefore, the user can select the display of the required process image more accurately.

  In the production management apparatus according to the present invention, in the above configuration, the image display means captures a captured image captured by an imaging apparatus that captures the status of work performed in each of the processes as the process image. It is good also as a structure which performs control to display.

  According to the above configuration, since the captured image captured by the imaging device is displayed as a process image, for example, when different types of products are produced, what kind of product is covered only by the object identification information. Even when it is difficult to immediately recognize whether the object is an object, the process image is displayed, so that the user can easily understand what kind of product is being produced. In addition, when the factor of the matter to be improved is of a type that can be recognized by confirming the work status, the user can grasp the factor by confirming the video of the process.

  Moreover, the production management apparatus according to the present invention may be configured such that, in the above configuration, the image display unit performs control to display a schematic diagram schematically showing each process as the process image.

  According to said structure, since a schematic diagram is displayed as a process image, since it becomes unnecessary to provide structures, such as an imaging device, in a production line, it becomes possible to reduce installation cost.

  The production management apparatus according to the present invention further includes a reproduction time designating unit that accepts designation of the reproduction time of the process image from a user in the above configuration, and the display control unit accepts the reproduction time designation unit by the reproduction time designation unit. The process image may be controlled to be reproduced and displayed from the reproduced time.

  According to the above configuration, since the process image can be displayed by designating the reproduction time, the user can arbitrarily change the reproduction time of the process image. Therefore, the user can analyze the process image more appropriately and efficiently.

  Further, in the production management device according to the present invention, in the above configuration, the processing status display means totals information on work time in each process as information indicating the processing status with respect to each object specifying information, It is good also as a structure which performs control which displays the processing status analysis information which makes working time a parameter on a display apparatus as a status analysis result.

  According to the above configuration, since the processing status analysis information is based on information on the work time in each process with respect to each object specifying information, the user selects the work time as a parameter value, It is possible to display a process image related to the object corresponding to the selected work time. That is, for example, by selecting an object whose work time is long, it is possible to analyze the cause of work delay.

  Further, in the production management device according to the present invention, in the above configuration, the processing status display unit totals information on defects generated in the production system as information indicating the processing status, and as a result of processing status analysis, It is good also as a structure which performs control which displays the process status analysis information which makes a defect classification a parameter on a display apparatus.

  According to the above configuration, since the processing status analysis information is based on information about defects that have occurred in the production system, the user selects the defect type as the parameter value, so that the selected defect type is It is possible to display a process image relating to the generated object.

  The production management device may be realized by a computer. In this case, a production management program for causing the production management device to be realized by a computer by operating the computer as each of the means, and recording the same Computer-readable recording media are also within the scope of the present invention.

  As described above, the production management apparatus according to the present invention includes an image display unit that performs control to display a process image indicating a work environment in each process on the display device, and each object in which the work is performed in each process. Processing status display means for controlling the display device to display processing status analysis information based on at least one parameter as an analysis result of the processing status; A target specification that accepts a selection input for selecting a specific parameter value from the user from among the processing status analysis information displayed by the processing status display means, and specifies object specifying information corresponding to the selected parameter value And the image display means creates the object identification information and the object corresponding to each object identification information in each step. The process image corresponding to the object specifying information specified by the object specifying means is displayed by referring to the object-process related information indicating the association with the process image at the time when the process is performed. It is the structure which performs control to. This makes it possible to save the troublesome task of specifying the playback time of the process image indicating the work status after confirming the work time of each product included in the improvement target event individually, which was necessary in the past. As a result, the number of man-hours required from problem discovery to factor analysis in the production system can be greatly reduced.

  An embodiment of the present invention is described below with reference to the drawings. In the present embodiment, as an example, a production management apparatus applied to a production system having a hand-assembled production line composed of n processes will be described.

(Production system configuration)
First, a production system 1 for a certain product to which the production management apparatus 2 according to the present embodiment is applied will be described with reference to FIG. In the example shown in FIG. 1, the production system 1 monitors a production line including n processes (process 1 to process n) for manufacturing a product by a worker's manual work, and the work of each of the above processes. The configuration includes a production management device 2 that supports factor analysis when it occurs, and an imaging device 3 that captures the status of work being performed in each process in the production line.

  Steps 1 to n are arranged in this order from the upstream to the downstream of the flow of the workpiece (object) as the manufacturing object of the production system 1, and the workpiece is moved from the first step (step 1) to the final step. The product is completed when the operations of all the steps are sequentially performed through (step n).

  The imaging device 3 is installed at least at one place in a region where work is actually performed on the production line, and is configured by, for example, a CCD (charge-coupled device) or a CMOS device. Work conditions in all processes included in the production line are photographed by the imaging device 3. One imaging device 3 may shoot the situation of all the steps, or a plurality of imaging devices 3...

  Furthermore, the production system 1 includes sensors (process detection devices) 4A1 to 4Am for detecting the work of the worker for each process. In addition, when it is not necessary to distinguish the sensors 4A1 to 4Am, they are simply referred to as sensors 4.

  The sensor 4 detects the start and / or end of work in each process, and at least one sensor 4 is installed in each process. For example, the sensor 4 detects the presence / absence of a workpiece, the movement of a jig, the presence / absence of an instruction, the opening / closing of a door, the ON / OFF of a power supply of an electric facility, and the like, and outputs the detection signal to the production management device 2. Specific examples of the sensor 4 include a photoelectric sensor, a proximity sensor, a displacement sensor, a photomicrosensor, an ultrasonic sensor, and a pressure sensor. The sensor 4 may be configured to detect the start and / or end of work in the process by pressing a button or the like when the worker starts and / or finishes the work.

  In the present embodiment, among the sensors 4A1 to 4Am, sensors 4A1 and 4Am installed at the work place of the first process and the process n work place of the final process are attached to each work. A barcode reader (specific device) that reads a barcode indicating ID (object identification information) is used. As described above, the work ID is detected in the first process and the final process, and the detection result is input to the production management apparatus 2, so that the production management apparatus 2 can process which work ID is processed in each process. It becomes possible to grasp whether it is.

  In the above example, the work ID is detected in the first process and the final process. However, it is only necessary to provide an ID detection means for detecting the work ID in at least one process. In the above example, a bar code reader is used to detect the work ID, but input means for receiving an input of the work ID by the operator may be used.

  The production management device 2 and the imaging device 3 and the production management device 2 and the sensor 4 are connected to each other by communication means. Examples of the communication means include wired communication, infrared communication, Bluetooth (registered trademark), and wireless LAN (Local Area Network).

(Example of hand-assembled production line)
Here, an example of a hand-assembled production line will be described with reference to FIG. In the example shown in the figure, Step 1 to Step 8 exist, the worker W1 performs the operations in Step 1 and Step 2, the worker W2 performs the operations of Step 3 to Step 5, and the worker W3 Steps 6 to 8 are performed. Each process has a work place and a work procedure, and a work table and jigs are installed in each work place. Or the production equipment which an operator operates may be installed.

  As described above, in the hand-assembled production line, a series of operations necessary for product production is divided into a plurality of steps (in this example, steps 1 to 8), and a work place and a work procedure are determined for each step. An operator is assigned to each process, and a product is completed when all the operations from the first process (process 1) to the final process (process 8) are sequentially performed.

  In the present embodiment, all the processes of the production system 1 are manually assembled lines by workers. However, the present invention is applicable to a production system including a process in which assembly and production are automatically performed by a production facility. It is possible to apply

(Configuration of production management device)
The production management apparatus 2 includes a reproduction time designation unit 11, an image display unit (image display unit) 12, a work ID / process designation unit (target designation unit) 13, a work ID list display unit (target designation unit) 14, and an improvement target designation. Part (target specifying means) 15, graph display part (processing status display means) 16, captured image recording part 17, recording part 18, work result recording part 19, display area recording part 20, defect result recording part 21, defect result input The unit 22, the time supply unit 23, and the work result acquisition unit (work result acquisition means) 24 are provided. Further, an input device 2A and a display device 2B are connected to the production management device 2.

  The input device 2A is a device that accepts an instruction input by a user, data input, and the like to the production management device 2, and includes, for example, a keyboard and a pointing device. The pointing device may be a mouse or a trackball, or a touch panel provided on the display screen of the display device 2B.

  The display device 2 </ b> B is a device that displays the processing contents in the production management device 2. The display device 2B may be realized by any display device as long as it can display information. Examples of such a display device include a liquid crystal display device and a CRT (Cathode Ray Tube).

  The work performance acquisition unit 24 receives the detection signals (process detection signals) from the sensors 4... And analyzes the contents of each detection signal, so that each of the work results acquisition unit 24 is based on the current time information supplied from the time supply unit 23. For each work ID, a process of acquiring a work start time (work result time) and a work end time (work result time) in each process is performed. With respect to the process in which the work start or work end is detected by a sensor that does not perform detection until the work ID is detected, rather than an ID detection means such as a barcode reader, the work performance acquisition unit 24 is upstream of the sensor. In addition, the work ID input by the ID detecting means installed in the latest process is regarded as the work ID of the work that has started or ended the work in the process corresponding to the sensor. Information on the work start time and work end time in each process for each work ID acquired by the work record acquisition unit 24 is recorded in the work record recording unit 19.

  An example of work result information recorded in the work result recording unit 19 is shown in FIG. As shown in the figure, the work performance information is a table in which the work start time and the work end time in each of steps 1 to n are recorded for each work ID. This work result information is recorded in order from the work ID with the earliest work start time of the first process (process 1).

  When a defect occurs in a product produced on the production line, the defect record input unit 22 performs a process of receiving input of a work ID of the work in which the defect has occurred and defect type information. This input is performed when the input device 2A receives an input from the user.

  In this embodiment, the input of the defect occurrence work ID and the defect type information is performed by the user, but by receiving the inspection result data by the inspection apparatus provided in the production line by communication. In addition, the defect-occurring work ID and defect type information may be input. In this case, the inspection device detects a defect by performing, for example, image recognition, continuity inspection, size inspection, and the like on the workpiece being processed in the production line, and the defect is detected together with the workpiece ID of the workpiece. The type information will be output.

  The defect record recording unit 21 records the defect occurrence work ID and the defect type information received by the defect record input unit 22 as defect record information. FIG. 4 shows an example of defect record information recorded in the defect record recording unit 21. In the example shown in the figure, a list of work IDs in which defects have occurred and defect type information corresponding to each work ID are recorded in the defect record recording unit 21 in a table format.

  The recording unit 18 performs processing for acquiring captured image data captured by the imaging device 3 from the imaging device 3 via a communication unit. The captured image data acquired by the recording unit 18 is recorded in the captured image recording unit 17. The recording unit 18 transmits the captured image data recorded in the captured image recording unit 17 to the image display unit 12. The captured image data may be moving image data, or may be a plurality of still image data captured at predetermined time intervals. The captured image recording unit 17 has at least a function of temporarily storing captured image data acquired from the imaging device 3 as a buffer, and may store a predetermined amount of past captured image data.

  When the past captured image data is stored, the recording unit 18 may also record information of the captured time with respect to the captured image data. As a result, the image display unit 12 can reproduce and display the captured image from the specified time.

  The graph display unit 16 collects at least the work record information recorded in the work record recording unit 19 and / or the defect record information recorded in the defect record recording unit 21, and performs data processing to perform processing. As a situation analysis result, a process for displaying processing situation analysis information based on at least one parameter on the display device 2B is performed. By displaying the processing status analysis information in this way, the user can specify the improvement target event.

  The processing status analysis information includes, for example, a graph indicating the relationship between the parameters indicating the processing status and the frequency (number of work IDs) for each parameter value. However, the processing status analysis information is not limited to this. A table or the like may be displayed. Variations of examples of the processing status analysis information will be described later.

  FIG. 5 shows, as an example of processing status analysis information, a histogram of the work time for each process (the time required from the start of work to the end of work for each process) and a Pareto chart of the number of defects for each defect type. A display example is shown. In the histogram, the horizontal axis indicates the work time as a parameter, and the vertical axis indicates the frequency corresponding to each work time. In the Pareto chart, the horizontal axis indicates the defect type as a parameter, and the vertical axis indicates the frequency corresponding to each defect type.

  In addition, the graph display unit 16 transmits to the improvement target designating unit 15 information on coordinate data of an area where each piece of individual information included in the processing status analysis information is displayed and information on a work ID corresponding to the area. . For example, when a graph is displayed, the area where each piece of individual information is displayed corresponds to an area where the frequency corresponding to each parameter value is indicated. In the example shown in FIG. 5, for the histogram, the coordinates of the rectangular area where the frequency corresponding to each work time is displayed are transmitted, and for the Pareto chart, the rectangular area where the frequency corresponding to each defect type is displayed. Coordinates are sent. FIG. 6 illustrates an example of data that the graph display unit 16 transmits to the improvement target designating unit 15. In the example shown in the figure, a list (area-work ID correspondence list) of coordinate data related to upper left coordinates and lower right coordinates specifying a rectangular area of the graph and work ID information corresponding to the area is shown in the graph display unit 16. To the improvement target designating unit 15.

  The improvement target specifying unit 15 specifies an event to be improved by receiving a selection input of an area corresponding to the event to be improved from the input device 2A in the processing status analysis information displayed by the graph display unit 16. Process. In the example shown in FIG. 7, in the histogram, an area indicating “the working time of step n is 70 minutes or more” is designated as an event to be improved. The designation of the area is performed, for example, by moving the mouse cursor to the area and clicking. When the area is designated, the improvement target designating unit 15 extracts the coordinate data of the designated area and the work ID of the work corresponding to the area from the area-work ID correspondence list output by the graph display unit 16, It is transmitted to the work ID list display unit 14.

  The work ID list display unit 14 performs a process of displaying a list of work IDs transmitted from the improvement target specifying unit 15 on the display device 2B in the vicinity of the coordinate data transmitted from the improvement target specifying unit 15. A display example is shown in FIG. In the example shown in the figure, a list of work IDs is displayed in the form of a drop-down list in the area on the right side of the area indicating “the working time of process n is 70 minutes or more”.

  The display format of the list of work IDs transmitted from the improvement target specifying unit 15 is not limited to the above example, and the specified area and the work ID corresponding to the area are displayed in association with each other. Any display format can be used.

  Further, the work ID list display unit 14 transmits a list of coordinates of a display area of each work ID in the list display of work IDs (work ID area list) to the work ID / process specifying unit 13. FIG. 9 shows an example of the work ID area list. In the example shown in the figure, a list of work IDs and a list of coordinate data in the work ID display area corresponding to each work ID are transmitted from the work ID list display unit 14 to the work ID / process designation unit 13.

  The display area recording unit 20 records the coordinates of an area (process display area) in which each process is displayed in each work process in the work status image (details will be described later) displayed by the image display unit 12. . FIG. 10 shows an example of a work status image displayed by the image display unit 12 and a display example of a graphic showing the process display area. In the example shown in the figure, a process display area in which an image area corresponding to each process in the work situation image is surrounded by a broken line is displayed together with a process name (process number in the example shown in the figure). Then, as shown in FIG. 11, the display area recording unit 20 records a list of coordinate data of the process display area corresponding to each process.

  The work ID / process designating unit 13 receives from the input device 2A a selection input by the user of the work ID of the work for which the work status image is to be reproduced from the work ID list displayed by the work ID list display unit 14. Processing for accepting a selection input by the user of the process in which the work status image of the selected work ID is to be reproduced is received from the input device 2A.

  In the present embodiment, the selection of the work ID and the process display area in the work ID list is performed by so-called drag and drop, and the work ID / process specifying unit 13 is used by detecting this drag and drop. It is designed to accept input by a person. Specifically, a work ID in the work ID list is selected by a mouse click, dragged to a desired process display area while the click is pressed, and dragged and dropped when the click is released in the process display area. Is realized. The selection of the work ID and the selection of the process display area in the work ID list is not limited to the above example, and other variations will be described later.

  The work ID / process designating unit 13 receives a list of coordinate data in the work ID display area corresponding to each work ID from the work ID list display unit 14, and recognizes which work ID is selected based on this list. . The work ID / process designating unit 13 receives a list of coordinate data of the process display area corresponding to each process from the display area recording unit 20, and recognizes which process display area is selected based on the list. .

  FIG. 12 shows an example of an operation when a drag and drop process is performed from the display of the work ID list by the work ID list display unit 14 to the process display area in the work status image displayed by the image display unit 12. ing. In the example shown in the drawing, the work ID “00012” is selected from the display of the work ID list and moved to the process display area of “process 3”, whereby the work status image in “process 3” regarding the work ID “00012”. Playback is specified.

  Information about the selected work ID and process is transmitted from the work ID / process designating unit 13 to the image display unit 12.

  The image display unit 12 reproduces the work status image corresponding to the selected work ID and the process based on the information about the selected work ID and the process transmitted from the work ID / process specifying unit 13. The image display unit 12 reproduces the work status image at the time designated by the reproduction time designation unit 11 described later.

  The reproduction start time of the work situation image corresponding to the selected work ID and process is obtained as follows. First, the image display unit 12 extracts work result information of the corresponding selected work ID from the work result information recorded in the work result recording unit 19. Then, the start time information of the selected process is acquired from the extracted work performance information, and this is set as the reproduction start time.

  When the reproduction start time is set, the image display unit 12 acquires the work situation image at the reproduction start time from the captured image recording unit 17 via the recording unit 18 and displays the reproduction of the work situation image. The apparatus 2B is controlled.

  Further, the image display unit 12 searches the work ID information recorded in the work result recording unit 19 for the work ID being worked on in each process at the time of reproduction, and displays it in the vicinity of each process display area. For work IDs that are being worked on in each process at the time being replayed, search for work IDs whose work start time is before the replay time and work end time is after the replay time in the work performance information. Extracted by FIG. 13 shows an example of a display screen in a state where the display of the work status image and the work ID being worked are displayed. In the example shown in the drawing, the work ID “00012” is performed in the process 3 and the work ID “00011” is performed in the process 5.

  The reproduction time designation unit 11 performs a process of accepting a reproduction control input for changing the reproduction time of the work situation image from the user via the input device 2A. FIG. 14 shows an example of a display screen provided with a user interface that realizes reproduction control input reception by the reproduction time designation unit 11. As shown in the drawing, a slider B1, a rewind button B2, a playback button B3, a stop button B4, a fast forward button B5, a live button B6, and a time input area B7 are provided in the work status image playback control area. .

  The live button B6 is a button for receiving an instruction input for reproducing the work status image at the current time at that time. The time input area B7 is a display input area for displaying the time of the displayed work situation image and for reproducing the work situation image from that time by directly inputting the time in this area.

  The reproduction button B3 is a button for receiving an instruction input for reproducing the work situation image from the time displayed on the time input unit B7. The stop button B4 is a button for receiving an instruction input for stopping the reproduction of the work situation image. When the stop button B4 is pressed, the image at the time displayed on the time input unit B7 at that time may be displayed as a still image.

  The fast-forward button B5 is a button for receiving an instruction input for fast-forwarding the reproduction of the work situation image. The rewind button B2 is a button for receiving an instruction input for rewinding the reproduction of the work situation image. The slider B1 displays the reproduction time of the work situation image according to the position of the slider B1, and realizes reproduction from the moved time by moving the slider B1 by the user.

  A display screen example in which the above-described image display unit 12, graph display unit 16, and reproduction time designation unit 11 display the work status image, display the processing status analysis information, and display the reproduction control input user interface. As shown in FIG.

  According to the above configuration, the processing status analysis information is displayed, so that the user can specify an event to be improved, and a work ID list corresponding to the specified event to be improved is displayed. It becomes possible to make it. Therefore, the user can recognize which work ID has a problem.

  In addition, the user can select a specific work ID from the work ID list and select a process to display a captured image when the work is performed in the process. It becomes. Therefore, it is possible to save the troublesome task of specifying the reproduction time of the process image indicating the work status after confirming the work time of each product included in the improvement target event individually, which was necessary in the past. . As a result, the man-hours required from problem discovery to factor analysis in the production system can be greatly reduced.

  In this example, the work ID displayed in the work status image is displayed in the vicinity of the image indicating the work status of each process, but is not limited thereto, and indicates the work status of each process. It suffices if the image and the corresponding work ID are displayed in a state where the corresponding relationship is shown.

  In the above example, the work ID is displayed together with the work status image. However, the work ID and information indicating the process may be displayed in association with each other. For example, the process name and the work ID may be displayed together.

(Process flow)
Next, the flow of processing in the production management apparatus 2 will be described. The processes in the production management apparatus 2 are divided into a work record recording process, a defect record input process, a recording process, and a factor analysis process, and these four processes are performed independently and in parallel. Hereinafter, the flow of each process will be described.

(Work record recording process)
The flow of the work record recording process will be described below with reference to the flowchart shown in FIG. First, in step 1 (hereinafter, referred to as S1), the work record acquisition unit 24 receives a detection signal from one of the sensors 4 ... and analyzes the content of the detection signal to perform work in a certain process. It is determined whether or not the operation has been started or the work has been completed in a certain process. If the start or end of the work is not detected, this determination process is repeated until the start or end of the work is detected.

  When the start or end of the work is detected, the work result acquisition unit 24 acquires the time at that time from the time supply unit 23 (S2), and as the work start time or work end time for the corresponding process of the corresponding work ID It records in the work performance recording part 19 (S3). Thereafter, the processing from S1 is repeated until the operation of the production management device 2 is completed.

(Defect record input processing)
Next, the flow of defect record input processing will be described below with reference to the flowchart shown in FIG. First, in S11, when the user recognizes that a defect has occurred in a product produced on the production line, the user performs an input regarding the occurrence of the defect with the input device 2A. The defect record input unit 22 performs a process of accepting input of the work ID and defect type information of the work in which the defect has occurred as defect record information based on the input by the user from the input device 2A. Then, the defect record input unit 22 records the received defect record information in the defect record recording unit 21 (S12). Thereafter, when the occurrence of a defect is further detected, the processing from S11 is performed.

(Recording process)
Next, the flow of the recording process will be described below with reference to the flowchart shown in FIG. First, in S <b> 21, the recording unit 18 acquires captured image data captured by the imaging device 3 from the imaging device 3 via a communication unit. Then, the recording unit 18 records the acquired captured image data in the captured image recording unit 17 (S22). Thereafter, the processing from S21 is repeated.

(Factor analysis processing)
Next, the flow of the factor analysis process will be described below with reference to the flowchart shown in FIG. First, in S31, the graph display unit 16 performs a process of displaying a graph indicating the processing status analysis information on the display device 2B. Next, in S32, the improvement target designating unit 15 determines whether or not an input for selecting an area corresponding to the event to be improved has been received from the input device 2A. When the improvement target selection input is not performed, this determination process is repeated until the improvement target selection input is performed.

  When the improvement target selection input is performed, the work ID list display unit 14 displays a list of work IDs transmitted from the improvement target specifying unit 15 in the vicinity of the coordinate data transmitted from the improvement target specifying unit 15 in S33. A display process is performed on the display device 2B.

  Next, in S34, the work ID / process designating unit 13 inputs a selection input by the user of the work ID of the work whose work status image is to be reproduced from the work ID list displayed by the work ID list display unit 14. It is determined whether it has been received from the device 2A. When the work ID selection input is not performed, this determination process is repeated until the work ID selection input is performed.

  When the work ID selection input is performed, in S35, whether or not the work ID list display unit 14 has received from the input device 2A a selection input by the user in the process of reproducing the work status image of the selected work ID. Determine. When the process selection input is not performed, this determination process is repeated until the process selection input is performed.

  When the process selection input is performed, the image display unit 12 extracts the work result information of the selected work ID from the work result information recorded in the work result recording unit 19. Then, the start time information of the selected process is acquired from the extracted work performance information, and this is set as the reproduction start time (S36). When the reproduction start time is set, the image display unit 12 acquires the work situation image at the reproduction start time from the captured image recording unit 17 via the recording unit 18 and displays the reproduction of the work situation image. The device 2B is controlled (S37). Thereafter, the processing from S31 is repeated.

  In the above example, the image display unit 12 extracts the work performance information of the selected work ID from the work performance information, acquires the start time information of the selected process from the extracted work performance information, Although this is set as the reproduction start time, it is not limited to this. That is, the image display unit 12 refers to the object-process related information indicating the correspondence between the work ID and the captured image at the time when the work corresponding to each work ID is performed in each process. Therefore, it is only necessary to perform control for displaying a captured image corresponding to the selected work ID. For example, when the recording unit 18 records the captured image in the captured image recording unit 17, the captured image is divided as chapters based on the detection signal acquired by the work record acquisition unit 24, and the work ID corresponding to each chapter In addition, chapter information regarding the process may be recorded. In this case, the image display unit 12 can perform control to display the captured image corresponding to the selected work ID by referring to the chapter information as the object-process related information.

(Other display examples of work status images)
In the above configuration, the imaging device 3 is provided in a region where work is actually performed on the production line, and a captured image captured by the imaging device 3 is displayed on the display device 2B as a work status image. ing. On the other hand, a schematic diagram of a production line may be displayed on the display device 2B as a work status image without providing the imaging device 3.

  FIG. 20 shows a schematic configuration of the production system 1 that realizes that a schematic diagram of the production line is displayed on the display device 2B. As shown in the figure, the imaging system 3 is not provided in the production system 1. Further, the production management device 2 has a configuration including a schematic diagram generation unit 31 and a schematic image recording unit 32 instead of including the recording unit 18 and the captured image recording unit 17.

  The schematic image recording unit 32 records schematic image data schematically showing each process of the production line. In the schematic diagram shown by the schematic image data, at least a figure showing each process of the production line is drawn.

  The schematic diagram generation unit 31 indicates a figure indicating a workpiece and / or an operator at or near the part of the figure corresponding to the process in operation with respect to the schematic image data recorded in the schematic image recording unit 32. A process of drawing a figure and generating a schematic diagram is performed. An example of this schematic diagram is shown in FIG. The schematic diagram generation unit 31 acquires work result information from the work result recording unit 19, extracts a process in which the work start time is recorded and no work end time is recorded, and the extracted process is Recognize as a process in progress.

  The display of the work ID in each process display area in the work status image is performed by displaying the work ID of the work on which work is being performed in the corresponding process in the vicinity of the image corresponding to each process in the schematic diagram. .

  By displaying the schematic diagram as described above, it becomes easier for the user as a production manager to grasp which process the work ID corresponding to the event to be improved is being processed, and to image the production line. Cost reduction can be realized by eliminating the need to provide a device. Also, for example, if the figure showing the workpiece displayed in the schematic diagram is changed according to the type of workpiece, when different types of products are produced, the workpiece ID of which type of product is used. Even when it is difficult to immediately recognize whether or not there is, it is possible for the user to easily understand what kind of product is being produced.

  In this example, the display of the work ID is displayed in the vicinity of the image corresponding to each process. However, the present invention is not limited to this, and the image corresponding to each process and the work ID corresponding thereto are displayed. It is only necessary to be displayed in a state where the corresponding relationship is shown.

  In the above example, the schematic diagram generation unit 31 draws an image of a work or an operator for the process being worked on. The schematic image data recorded in the unit 32 may be displayed as it is.

(Display of worker name)
In the above configuration, the name of the worker in the corresponding process may be displayed in the display of the work ID of the work in progress in the work status image. FIG. 22 shows a schematic configuration of the production system 1 that realizes the display of the worker name. As shown in the figure, the production management apparatus 2 has a configuration further including an operator recording unit 41 and an operator input unit 42 as compared to the configuration shown in FIG. The other configuration is the same as the configuration shown in FIG.

  The worker input unit 42 performs a process of receiving input of the name of the worker in each process. The worker input unit 42 only needs to display a worker input display screen on the display device 2B, for example, and the operator name can be input by the input device 2A. Further, for example, by receiving data such as a shift table in the production line, the name of the operator in each process may be input.

  The worker recording unit 41 records a list of worker names (worker name list) input by the worker input unit 42 in each process. FIG. 23 shows an example of a list of worker names recorded in the worker recording unit 41. In the example shown in the figure, the worker name corresponding to each process is recorded in a table format. FIG. 24 shows another example of a list of worker names recorded in the worker recording unit 41. In the example shown in the figure, for each process, the corresponding worker name is recorded in a table format according to the time zone.

  The image display unit 12 also displays the worker name for each process by referring to the worker name list recorded in the worker recording unit 41 when displaying the work ID of the work in progress in the work situation image. The display device 2B is controlled to do so. FIG. 25 shows a display example in which the name of the worker in each process is displayed together with the work ID of the work in progress in the work status image. As shown in FIG. 24, when the worker name corresponding to the time zone is written in the list of worker names, the image display unit 12 determines the time point based on the reproduction time of the work situation image. Recognize and display the workers in each process.

  According to the above configuration, the user can recognize the worker in each process with respect to the work in progress. Therefore, is there a factor of the matter to be improved regarding the event to be improved? It can be used to determine whether or not.

  In the above example, the operator name display function is added to the configuration shown in FIG. 1, but the operator name display function is added to the configuration shown in FIG. It is also possible.

  In the above example, the worker name is displayed. However, additional information regarding each work ID may be displayed. Examples of such incidental information include delivery destination information, delivery date information, specification information, and inspection result information.

(Processing condition analysis information condition specification)
In the above configuration, it may be configured such that conditions can be specified for displaying the processing status analysis information by the graph display unit 16. FIG. 26 shows a schematic configuration of the production system 1 that realizes display of processing status analysis information by specifying conditions. As shown in the figure, the production management apparatus 2 has a configuration further including a condition designating unit 51 as compared with the configuration shown in FIG. The other configuration is the same as the configuration shown in FIG.

  The condition designating unit 51 performs a process of receiving, from the user, an input of a condition for displaying only information that matches the condition among the processing status analysis information displayed by the graph display unit 16. FIG. 27 shows an example of a display screen provided with a user interface for realizing the condition input reception by the condition specifying unit 51. As shown in the figure, a date input area, a day of the week input area, a time zone input area, and an operator input area are provided below the graph display area as the processing status analysis information.

  The date input area is an area for setting the specific period when it is desired to display the processing condition analysis information based only on information related to the work results of the specific period. The day-of-week input area is an area for setting a specific day of the week when it is desired to display the processing state analysis information based only on information related to work performance on a specific day of the processing state analysis information. The time zone input area is an area for setting the specific time zone when it is desired to display the processing status analysis information based only on information related to work results in the specific time zone. . The worker input area is an area for setting the specific worker when it is desired to display the processing condition analysis information based only on information related to the work results of the specific worker among the processing condition analysis information. .

  The graph display unit 16 includes a condition specified by the condition specifying unit 51 from the work record information recorded in the work record recording unit 19 and / or the defect record information recorded in the defect record recording unit 21. By collecting the information that matches the above and performing data processing, the processing status analysis information based on the specified condition is displayed on the display device 2B.

  According to the above configuration, the user can change the processing status analysis information displayed by the graph display unit 16 to a state in which conditions are narrowed down. Therefore, it is possible for the user to display only the information that seems to be necessary for identifying the event to be improved, so that it is easier for the user to identify the event to be improved. It becomes.

  In the above example, the condition designating function is added to the configuration shown in FIG. 22. However, the condition designating function can be added to the configuration shown in FIG. 1 or FIG. It is.

(Sort specification for work ID list display)
With the above-described configuration, the work ID list display unit 14 may display the work IDs in the list display of the work IDs so that the work ID display order can be set. FIG. 28 shows a schematic configuration of the production system 1 that can set the display order of work IDs. As shown in the figure, the production management device 2 has a configuration further including a sort condition designating unit 61 as compared with the configuration shown in FIG. The other configuration is the same as the configuration shown in FIG.

  The sort condition designating unit 61 performs processing for accepting an input for setting the display order of work IDs from the user in the work ID list display by the work ID list display unit 14. FIG. 29 shows an example of a display screen provided with a user interface that realizes acceptance of setting of the display order of work IDs by the sort condition specifying unit 61. As shown in the figure, as the setting of the display order, selection of the sort target and selection of the sort order are performed in a check box format.

  Examples of sort targets include work ID, start time, completion time, work time, and worker. Examples of the sort order include ascending order and descending order. That is, a list of work IDs is displayed in the selected sort order for the selected sort target.

  When the work ID list display unit 14 displays a list of work IDs transmitted from the improvement target specification unit 15 in the vicinity of the coordinate data transmitted from the improvement target specification unit 15 on the display device 2B, the sort condition specification unit A work ID list display process is performed in accordance with the sort condition designated by 61.

  According to the above configuration, the user can display the work ID list according to a desired sort condition. For example, when there are a large number of work IDs included in an event to be improved, it may be difficult to determine which work ID should be selected if the work IDs are simply displayed in a list. On the other hand, according to the above configuration, the user can more easily select a work ID by causing the work ID list to be displayed according to a desired sort condition.

  In the above example, the sort condition specifying function is added to the configuration shown in FIG. 1, but the sort condition specifying function is added to the configuration shown in FIG. 20, FIG. 22, or FIG. A configuration is also possible.

(Record of test results)
In the above-described configuration, the graph display unit 16 includes a production line process in addition to the work record information recorded in the work record recording unit 19 and / or the defect record information recorded in the defect record recording unit 21. The processing result display information may be displayed on the display device 2B by aggregating the inspection result information by the inspection devices arranged in the data processing and performing data processing. FIG. 30 shows a schematic configuration of the production system 1 that realizes recording of inspection results and display of processing state analysis information using the inspection results. As shown in the figure, compared to the configuration shown in FIG. 1, the production system 1 is provided with an inspection device 71 and the production management device 2 is further provided with an inspection result recording unit 72. Yes. The other configuration is the same as the configuration shown in FIG.

  The inspection device 71 is installed in an inspection process on the production line, and outputs an inspection result and a corresponding work ID for each work. The inspection result information and the work ID information output from the inspection device 71 are recorded in the inspection result recording unit 72. FIG. 31 shows an example of an inspection result list of inspection result information and work ID information recorded in the inspection result recording unit 72. In the example shown in the figure, it is assumed that the inspection device 71 performs an electrical connection inspection on a workpiece. In this inspection result list, for each work ID, the inspection result (OKorNG), defect type (current abnormality, voltage abnormality, etc.), and various characteristic values (characteristic values 1, 2,..., N (current value) as inspection values. , Voltage values, etc.) are recorded in tabular form.

  The graph display unit 16 is recorded in the inspection result recording unit 72 in addition to the work result information recorded in the work result recording unit 19 and / or the defect result information recorded in the defect result recording unit 21. The processing result analysis information is displayed on the display device 2B by totaling the inspection result information and performing data processing.

  According to the above configuration, the processing status analysis information displayed by the graph display unit 16 can also include information related to the inspection result by the inspection device 71. Therefore, since information for specifying an event as an improvement target increases, it becomes possible to more appropriately specify an event as an improvement target.

  In the above example, a display function of processing status analysis information using the inspection result is added to the configuration shown in FIG. 1, but in FIG. 20, FIG. 22, FIG. 26, or FIG. It is also possible to adopt a configuration in which a display function for processing status analysis information using inspection results is added to the configuration shown.

(Variation of processing status analysis information)
Next, variations of the processing status analysis information displayed by the graph display unit 16 will be described. In the example shown in FIG. 32, as processing status analysis information, a histogram of work time for each process and a pie chart of the number of defects for each defect type are shown. When the processing status analysis information is indicated by a pie chart, the coordinate data information of the area where each piece of individual information included in the processing status analysis information is displayed indicates a sector area on the pie chart corresponding to each defect type. Coordinate data is used.

  In the example shown in FIG. 33, a table of work hours for each process and a table of the number of defects for each defect type are shown as the processing state analysis information. When the processing status analysis information is displayed in a table, coordinate data indicating the cell region corresponding to each item is used as the coordinate data information of the area where each piece of individual information included in the processing status analysis information is displayed.

  In the example shown in FIG. 34, as the processing status analysis information, the horizontal axis indicates the work time for each process, the vertical axis indicates the defect type, and the number of work IDs corresponding to each point determined by the vertical axis and the horizontal axis. A bubble chart showing a proportionally sized circle is shown. When the processing status analysis information is indicated by a bubble chart, the coordinate data indicating the circle area corresponding to each point is used as the coordinate data information of the area where each individual information included in the processing status analysis information is displayed. It is done.

  In the example shown in FIG. 35, the processing status analysis information is proportional to the number of work IDs corresponding to each point determined by the vertical axis and the horizontal axis, with the work time for each process on the horizontal axis, the day of the week on the vertical axis. A bubble chart showing a circle of the size to be displayed is shown. Also in this case, as in FIG. 34, coordinate data indicating a circle area corresponding to each point is used as the coordinate data information of the area in which each piece of individual information included in the processing status analysis information is displayed.

  In the example shown in FIG. 36, as processing status analysis information, the horizontal axis represents the work time for each process, the vertical axis represents the delay time (left graph) and the margin time (right graph), and the vertical axis and horizontal axis. A bubble chart showing a circle having a size proportional to the number of work IDs corresponding to each point determined by. The delay time is a time indicating how much the actual work end time is delayed with respect to the work end time scheduled in each process, and the margin time is set for each work ID. This is the time that indicates how much room is available for a given delivery date. Also in this case, as in FIG. 34, coordinate data indicating a circle area corresponding to each point is used as the coordinate data information of the area in which each piece of individual information included in the processing status analysis information is displayed.

  In the example shown in FIG. 37, as the processing status analysis information, a scatter diagram is shown in which the horizontal axis represents the work time for each process and the vertical axis represents the delay time. When the processing status analysis information is shown in a scatter diagram, coordinate data indicating the area of each point is used as the coordinate data information of the area where each piece of individual information included in the processing status analysis information is displayed.

(Variation of playback time designation part)
Next, a variation of the user interface that realizes the reception of the reproduction control input by the reproduction time designation unit 11 will be described. In the example shown in FIG. 38, in addition to the user interface shown in FIG. 14, a repeat button B8 and a full-play button B9 are provided.

  The repeat button B8 is used to input an instruction to repeatedly reproduce the work status image from the start of the work corresponding to the work ID dragged and dropped to the process being reproduced at that time until the work is completed in the process. It is a button that accepts. The repeat button B8 is repeatedly turned ON / OFF every time the button is clicked.

  The all process replay button B9 repeatedly reproduces the work status image from the start of the work corresponding to the work ID dragged and dropped last in the production line to the end of the work in the last process. This button accepts an instruction input. The entire playback button B9 is also repeatedly turned ON / OFF every time the button is clicked.

  In the example shown in FIG. 39, a repeat playback setting input area 11A is provided in addition to the user interface shown in FIG. In the repeat reproduction setting input area 11A, as setting items, a date designation unit C1, a day selection unit C2, a time zone designation unit C3, a process selection unit C4, an operator selection unit C5, a defect type selection unit C6, and a work designation unit are provided. C7 is provided.

  The date designating unit C1 accepts an instruction input for repeatedly reproducing a work status image during a designated date and time period. The day selection unit C2 accepts an instruction input to repeatedly reproduce the work status image for the selected day of the week. The time zone designation unit C3 accepts an instruction input for repeatedly reproducing the work status image in the selected time zone. The process selection unit C4 receives an instruction input for connecting and repeatedly reproducing work status images in which work is being performed in the selected process. The worker selection unit C5 accepts an instruction input to connect and repeatedly reproduce the work situation image when the selected worker is working. The defect type selection unit C6 accepts an instruction input to connect and repeatedly reproduce work status images for all work IDs corresponding to the selected defect type. The work designating unit C7 accepts an instruction input to connect and repeatedly reproduce the work status image of the selected work ID. The work ID may be specified directly by the user via the input device 2A, or one or more work IDs selected in the work ID list display by the work ID list display unit 14 may be used. However, it may be performed by being dragged and dropped into the area of the work designation section C7.

(Variation of work ID / process specification part)
Next, variations of the work ID and process designation method in the work ID / process designation unit 13 will be described. In the example shown in FIG. 40, in the work ID list display, an example in which a plurality of work IDs are selected and dragged and dropped in the process display area is shown. In this case, all the work status images when the plurality of selected work IDs are working in the selected process are connected and reproduced. That is, it is possible to display work status images related to all work IDs by only one action of selecting all work IDs for which work status images are to be displayed and dragging and dropping them in the process display area. Time and effort can be reduced.

(Condition designator variation)
Next, variations of the user interface for realizing the condition input reception by the condition specifying unit 51 will be described. In the example shown in FIG. 41, as the condition specifying unit 51, a process input area and a defect type input area are provided in addition to the input areas shown in FIG.

  The process input area is an area for setting a specific process when it is desired to display the process status analysis information based only on information on the specific process among the process status analysis information. The defect type input area is an area for setting a specific defect type when it is desired to display the process condition analysis information based only on information regarding the specific defect type in the process condition analysis information.

  Finally, each block of the production management device 2, in particular, the reproduction time designation unit 11, the image display unit 12, the work ID / process designation unit 13, the work ID list display unit 14, the improvement target designation unit 15, the graph display unit 16, The recording unit 18, the defect record input unit 22, the time supply unit 23, the work record acquisition unit 24, the schematic diagram generation unit 31, the worker input unit 42, the condition designation unit 51, and the sort condition designation unit 61 are determined by hardware logic. You may comprise, and may implement | achieve by software using CPU as follows.

  That is, the production management apparatus 2 includes a CPU (central processing unit) that executes instructions of a control program that realizes each function, a ROM (read only memory) that stores the program, and a RAM (random access memory) that expands the program. And a storage device (recording medium) such as a memory for storing the program and various data. An object of the present invention is a recording medium on which a program code (execution format program, intermediate code program, source program) of a control program of the production management apparatus 2 which is software for realizing the functions described above is recorded so as to be readable by a computer. This can also be achieved by supplying the production management apparatus 2 and reading and executing the program code recorded on the recording medium by the computer (or CPU or MPU).

  Examples of the recording medium include a tape system such as a magnetic tape and a cassette tape, a magnetic disk such as a floppy (registered trademark) disk / hard disk, and an optical disk such as a CD-ROM / MO / MD / DVD / CD-R. Card system such as IC card, IC card (including memory card) / optical card, or semiconductor memory system such as mask ROM / EPROM / EEPROM / flash ROM.

  The production management device 2 may be configured to be connectable to a communication network, and the program code may be supplied via the communication network. The communication network is not particularly limited. For example, the Internet, intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication network, satellite communication. A net or the like is available. Also, the transmission medium constituting the communication network is not particularly limited. For example, even in the case of wired such as IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL line, etc., infrared rays such as IrDA and remote control, Bluetooth ( (Registered trademark), 802.11 wireless, HDR, mobile phone network, satellite line, terrestrial digital network, and the like can also be used. The present invention can also be realized in the form of a computer data signal embedded in a carrier wave in which the program code is embodied by electronic transmission.

  The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims. That is, embodiments obtained by combining technical means appropriately changed within the scope of the claims are also included in the technical scope of the present invention.

  The production management apparatus according to the present invention can be applied not only to a hand-assembled production line but also to a cause analysis process of delays in delivery date and defects in an automatic production line.

It is a block diagram which shows schematic structure of the production system which concerns on one Embodiment of this invention. It is a figure which shows the example of a hand-assembled production line. It is a figure which shows the example of the work performance information recorded on a work performance recording part. It is a figure which shows the example of the defect performance information recorded on a defect performance recording part. It is a figure which shows the example of a display as which the histogram of the working time for every process and the Pareto chart of the number of defects for every defect type were displayed as an example of process status analysis information. It is a figure which shows an example of the data which a graph display part transmits to an improvement object designation | designated part. It is a figure which shows the example in which the area | region which shows "the working time of the process n is 70 minutes or more" is designated as an improvement object event in a histogram. It is a figure which shows the example of a display with which work ID list display is performed. It is a figure which shows an example of a work ID area | region list. It is a figure which shows an example of the display of the figure which shows an example of the work condition image displayed by an image display part, and a process display area. It is a figure which shows the example of the list | wrist of the coordinate data of the process display area corresponding to each process recorded on a display area recording part. It is a figure which shows an example of an operation | movement at the time of performing the drag and drop process to the process display area in the work condition image displayed by the image display part from the display of the work ID list by a work ID list display part. It is a figure which shows the example of a display screen of the state in which the display of the work status image and the display of work ID in work are performed. It is a figure which shows the example of a display screen provided with the user interface which implement | achieves reproduction | regeneration control input reception by the reproduction | regeneration time designation | designated part. It is a figure which shows the example of a display screen with which the display of the work condition image, the display of processing condition analysis information, and the display of the reproduction | regeneration control input user interface were performed. It is a flowchart which shows the flow of a work performance recording process. It is a flowchart which shows the flow of a defect performance input process. It is a flowchart which shows the flow of a video recording process. It is a flowchart which shows the flow of a factor analysis process. It is a block diagram which shows schematic structure of the production system which implement | achieves that the schematic diagram of a production line is displayed on a display apparatus. It is a figure which shows the example of the schematic diagram produced | generated by the schematic diagram production | generation part. It is a block diagram which shows schematic structure of the production system which implement | achieves a display of an operator name. It is a figure which shows the example of the list | wrist of a worker name recorded on a worker recording part. It is a figure which shows another example of the list | wrist of a worker name recorded on a worker recording part. It is a figure which shows the example of a display which displayed the worker name of each process with the work ID of the work in process in a work condition image. It is a block diagram which shows schematic structure of the production system which implement | achieves the display of the process condition analysis information by condition specification. It is a figure which shows the example of a display screen provided with the user interface which implement | achieves the input reception of the conditions by a condition designation | designated part. It is a block diagram which shows schematic structure of the production system which can set the display order of work ID. It is a figure which shows the example of a display screen provided with the user interface which implement | achieves the setting reception of the display order of work ID by a sort condition designation | designated part. It is a block diagram which shows schematic structure of the production system which implement | achieves the display of the process status analysis information using the test result recording and the test result. It is a figure which shows an example of the test result list | wrist of the test result information and work ID information which are recorded on a test result recording part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the process condition analysis information displayed by a graph display part. It is a figure which shows the variation of the user interface which implement | achieves reproduction | regeneration control input reception by the reproduction | regeneration time designation | designated part. It is a figure which shows the variation of the user interface which implement | achieves reproduction | regeneration control input reception by the reproduction | regeneration time designation | designated part. It is a figure which shows the variation of the work ID and the process designation | designated method in a work ID and process designation | designated part. It is a figure which shows the variation of the user interface which implement | achieves the input reception of the conditions by a condition designation | designated part. It is a figure which shows the process which determines "working time 70 minutes or more" from the histogram of work time, and "defect by a crack" from the Pareto chart of the number of defects as improvement object.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Production system 2 Production management apparatus 2A Input apparatus 2B Display apparatus 3 Imaging apparatus 4 * 4A1-4Am Sensor 11 Reproduction | regeneration time designation | designated part 11A Repeat reproduction | regeneration setting input area 12 Image display part (image display means)
13 Work ID and process designation part (target designation means)
14 Work ID list display part (target specifying means)
15 Improvement target designation part (target designation means)
16 Graph display section (Processing status display means)
17 Recorded image recording unit 18 Recording unit 19 Work result recording unit 20 Display area recording unit 21 Defect result recording unit 22 Defect result input unit 23 Time supply unit 24 Work result acquisition unit (work result acquisition means)
31 schematic diagram generation unit 32 schematic image recording unit 41 worker recording unit 42 worker input unit 51 condition specifying unit 61 sort condition specifying unit 71 inspection device 72 inspection result recording unit

Claims (12)

A production management device for managing the processing status of a production system that processes a target object in a plurality of steps,
Image display means for controlling the display device to display a process image indicating the work environment in each of the processes;
A display device that aggregates information indicating processing status related to target object specifying information for specifying each target object to be worked in each of the above steps, and displays processing status analysis information based on at least one parameter as an analysis result of the processing status Processing status display means for performing control to be displayed on
A target specification that accepts a selection input for selecting a specific parameter value from the user from among the processing status analysis information displayed by the processing status display means, and specifies object specifying information corresponding to the selected parameter value Means and
The object in which the image display means indicates the correspondence between the object identification information and the process image when the object corresponding to each object identification information is performed in each process. A production management apparatus that performs control to display the process image corresponding to the object specifying information specified by the object specifying means by referring to the object-process related information. Object identification information for identifying the object from the identification device for identifying the object to be processed while receiving the process detection signal from the process detection apparatus for detecting the start and / or end of the process in each of the above processes The work result information is recorded in the work result recording unit as the target object-process related information as work target information that associates each object specifying information with the work result time when each processing detection signal is detected. Further comprising an acquisition means,
The image display means refers to the work performance information recorded in the work performance recording section, acquires the work performance time of the object identification information identified by the object identification means, and The production management apparatus according to claim 1, wherein the process image is displayed from an actual time. The target specifying means extracts one or more object specifying information corresponding to the selected parameter value, and selects input for selecting specific object specifying information from the extracted object specifying information Is received from the user,
2. The production management apparatus according to claim 1, wherein the image display means performs control to display the process image corresponding to the object specifying information selected by the user in the target specifying means.   2. The production according to claim 1, wherein the image display means performs control to display, as the process image, a captured image captured by an imaging apparatus that captures the status of work performed in each process. Management device.   The production management apparatus according to claim 1, wherein the image display unit performs control to display a schematic diagram schematically showing each process as the process image. Reproduction time designation means for accepting designation of reproduction time of the process image from the user,
2. The production management apparatus according to claim 1, wherein the display control means performs control so that the process image is reproduced and displayed from the reproduction time accepted by the reproduction time designating means.   The processing status display means collects information on the work time in each process as information indicating the processing status for each object specifying information, and processing status analysis information using the work time as a parameter as the analysis result of the processing status The production management apparatus according to claim 1, wherein control is performed to display on a display device.   The processing status display means aggregates information on defects occurring in the production system as information indicating the processing status, and displays processing status analysis information using the type of defect as a parameter as a result of processing status analysis on the display device. 2. The production management apparatus according to claim 1, wherein control is performed. A production management method for managing the processing status of a production system that processes an object in a plurality of steps,
An image display step for performing control to display a process image indicating a work environment in each of the processes on the display device;
A display device that aggregates information indicating processing status related to target object specifying information for specifying each target object to be worked in each of the above steps, and displays processing status analysis information based on at least one parameter as an analysis result of the processing status A processing status display step for performing control to be displayed on
The target specification for specifying the object specifying information corresponding to the selected parameter value is received from the user from the processing status analysis information displayed in the processing status display step. With steps,
In the image display step, the object indicating correspondence between the object identification information and the process image when the object corresponding to each object identification information is performed in each process. A production management method characterized by performing control to display the process image corresponding to the object specifying information specified in the object specifying step by referring to the object-process related information.   A production management program for operating the production management apparatus according to any one of claims 1 to 8, wherein the production management program causes a computer to function as each of the means.   The computer-readable recording medium which recorded the production management program of Claim 10. A production system for processing an object in a plurality of steps,
The production management device according to any one of claims 1 to 8,
A process detector for detecting the start and / or end of the process in each of the above processes;
A production system comprising: a specifying device that specifies an object to be processed.

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