JP2019023803A - Work Improvement Support System and Method - Google Patents

Abstract

To provide a work improvement support system and method being user friendly.SOLUTION: A work improvement support system 1 for supporting improvement of a work process comprises: a performance management unit 12 for managing actual data on each work included in the work process; a plan managing unit 13 for managing plan data relating to each work; a work video management unit 15 for managing work video data obtained by photographing the situation of a work site 2 where each work is performed by an operator; and a work analyzing unit 16 for determining whether the work corresponds to a predetermined work to be improved based on the actual data and the plan data related to the work, and for extracting predetermined work video data concerning the work determined to correspond to a predetermined task in the work video data when it is determined that the work falls under the predetermined work.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a work improvement support system and method.

  Various factories such as control panels, office equipment, automobiles, aircraft, industrial machinery, construction machinery, etc. produce products using production methods such as the line method, cell method, and dynamic cell method. One product is produced through a plurality of work processes such as preparation of parts and materials, sheet metal, painting, assembly of main parts, assembly of main parts to the main body, and inspection. At the production site, products are produced according to a production plan prepared in advance, but the production plan and production results are often different due to various circumstances. In particular, in the so-called bottleneck work, the difference between the plan and the actual results is large. Therefore, a technique is known in which bottleneck work is extracted and bottleneck countermeasures are presented (Patent Document 1).

JP 2005-190031 A

  Patent Document 1 states that “a device that becomes a bottleneck and its occurrence time are estimated according to the production plan and the in-process status, and each bottleneck device is classified for each bottleneck factor from the occurrence time and the state of the corresponding device group, “Preliminary measures are executed according to the classification result” (Patent Document 1, paragraph 0010, abstract), and the process in which the bottleneck occurs is associated with the work video data obtained by photographing the situation of the site where the worker works. Absent.

  Therefore, in the prior art described in Patent Document 1, for example, a user such as a production process manager cannot check the cause of the bottleneck and improvement measures while confirming the situation at the work site with a video, and is easy to use. Is bad.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a work improvement support system and method that are user-friendly.

  In order to solve the above-mentioned problems, the work improvement support system according to the present invention is a work improvement support system that supports improvement of a work process, a performance management unit that manages performance data related to each work included in the work process, and each Based on the plan management unit that manages the plan data related to the work, the work video management unit that manages the work video data obtained by photographing the situation of the work site where each work is performed by the worker, and the actual data and plan data related to the work If it is determined whether the work corresponds to a predetermined work to be improved and it is determined that the work corresponds to the predetermined work, the predetermined work video data relating to the work determined to correspond to the predetermined work among the work video data And a work analysis unit for extracting.

  According to the present invention, when the work corresponding to the predetermined work to be improved is detected, the work video data related to the work can be extracted. Therefore, the user can improve the work based on the work video data. Can be considered.

It is explanatory drawing which shows the whole outline | summary of this embodiment. It is a functional block diagram of a work improvement support system. It is an example of the computer system which implement | achieves a work improvement assistance system. It is an example of the table which manages work results. It is an example of the table which manages a work procedure. It is a flowchart which shows work image | video management processing. It is a flowchart which shows work improvement assistance processing. It is a flowchart of the process which concerns on 2nd Example and detects actual work time. It is an example of the table which manages work results. It is a flowchart which concerns on 3rd Example and shows video management processing.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the work improvement support system 1 according to the present embodiment, as described later, work video data obtained by extracting a work that is a bottleneck from a plurality of work included in a work process and photographing the situation of the work site 2. Among them, predetermined work video data that moves the state of the bottleneck work is extracted. As a result, the user who is in charge of improving the work process can estimate the cause of the bottleneck work or devise measures for eliminating the bottleneck work while viewing the predetermined work video data.

  A first embodiment will be described with reference to FIGS. FIG. 1 is an explanatory diagram showing an overall outline of the work improvement support system. The work improvement support system 1 supports the planning of improvement measures by providing a user with predetermined work video data that captures the situation of work to be improved.

  The work improvement support system 1 can be configured using, for example, at least one computer. An example of a computer system that implements the work improvement support system 1 will be described later with reference to FIG.

  The work improvement support system 1 includes functions 11 to 19 to be described later from a computing device as a computer resource, a memory device, an auxiliary storage device, an input / output interface circuit, a communication interface circuit (all not shown), and a predetermined computer program. Is realized.

  The work site 2 will be described first. The work site 2 includes at least one cell 21. In the cell 21, the worker W produces the product 25 according to the work procedure displayed on the work instruction terminal 23. Here, the cell production method will be described as an example, but the present invention is not limited to this, and can be applied to a line method and a dynamic cell method. In addition, the work site 2 of the present embodiment is suitable for so-called high-mix low-volume production, but is also applicable to low-mix high-volume production and low-mix low-volume production.

  The cell 21 is provided with a plurality of cameras 24 for monitoring the status of work by the worker. At least some of the cameras 24 of each camera 24 can monitor not only the work situation but also the situation around the cell 21. Although it differs depending on the installation location, installation angle, shooting angle of view, etc. of the camera 24, the situation around the cell 21 (arranged around the cell 21), in addition to the operator's hand, feet, and overall image of the operator. Other cells etc. can also be monitored. Although five cameras 24 are illustrated in FIG. 1, the present invention is not limited to this, and four or less cameras, or six or more cameras can be installed in association with the cell 21.

  An RFID reader 22 that reads information from an RFID (Radio Frequency IDentifier) tag 26 is provided in the cell 21 or in the vicinity of the cell 21. Here, the RFID tag 26 can be divided into, for example, a work tag 26-1 held by the worker W and a product tag 26-2 provided in the product 25.

  The work tag 26-1 can be further divided into a worker tag for storing the identification information of the worker W and a work instruction tag tag indicating a worker placement destination cell (placement destination process) (both of them). Not shown). The RFID reader 22 reads identification information for identifying an operator and identification information for identifying a cell (process) from the work tag 26-1. The work improvement support system 1 can grasp which worker is placed in which cell 21 based on information read by the RFID reader 22. Further, by acquiring information related to the product 25 from the product tag 26-2, the current position, manufacturing history, etc. of the product 25 can be grasped.

  The work instruction terminal 23 displays a screen for teaching the work procedure in the cell 21 to the worker. When the worker completes one work procedure, the work instruction terminal 23 operates a completion button indicating completion of the work procedure or a next button requesting display of the next work procedure. Each time the worker finishes each work procedure or calls the explanation of the next work procedure, the button is operated as “operation from the worker”. The work improvement support system 1 can grasp the progress status of the work procedure in each cell in real time by monitoring the operation to the work instruction terminal 23.

  The worker can also have a worker terminal 27. The worker terminal 27 is, for example, a mobile phone (including a so-called smartphone) or a portable information terminal supplied by a company. The usage status of the worker terminal 27 is managed.

  The configuration of the work improvement support system 1 will be described. The work improvement support system 1 includes, for example, a work status monitoring unit 11, a production performance management unit 12, a production plan management unit 13, a worker management unit 14, a work video management unit 15, a work analysis unit 16, and a screen. And a display unit 17. Furthermore, as shown in the below-described embodiments, the work improvement support system 1 can also include an actual work time detection unit 18 and a worker terminal management unit 19 that manages the worker terminal 27.

  Note that all the functions 11 to 19 need not be provided in the work improvement support system 1. For example, the work status monitoring unit 11, the production result management unit 12, the production plan management unit 13, the worker management unit 14, the worker terminal management unit 19 and the like are provided outside the work improvement support system 1, and these external functions 11 to 11 are provided. Only necessary information may be transmitted to the work analysis unit 16 from 14, 19 or the like.

  The work status monitoring unit 11 monitors the progress of work in each cell 21 based on the identification information read from the RFID tag 26 by the RFID reader 22 in each process and the operation by the worker on the work instruction terminal 23. And transmitted to the production result management unit 12.

  The production result management unit 12 as an example of the “result management unit” manages the production results for each cell (process) based on the data from the work status monitoring unit 11.

  The production plan management unit 13 as an example of the “plan management unit” manages the production plan of the work site 2. The production plan management unit 13 manages a production plan for the entire production site and a production plan for each cell.

  The worker management unit 14 manages, for example, the worker number, name, working style, working time, history of the process in charge, presence / absence of skills required in each cell, and the like. Information managed by the worker management unit 14 is written in the work tag 26-1.

  The work video management unit 15 stores and manages the work video data captured by each camera 24 in the work site 2 in the work video storage unit 151 in association with the shooting time. The work video management unit 15 stores and manages video data relating to a time other than the work time, such as 24 hours 365 days or 24 hours of all working days, as part of the work video data. That is, the work video management unit 15 manages video data for a long time and a long time, and manages the video data not only for the time during which the worker is working but also for the time zone not directly related to the work. As in the embodiments described later, the work video management unit 15 can also include an image quality control unit 152 that controls the image quality for some or all of the cameras 24.

  Based on the production result data of each cell managed by the production result management unit 12 and the production plan for each cell managed by the production plan management unit 13, the work analysis unit 16 performs “predetermined work to be improved” in each cell. It is determined whether or not the bottleneck work as “is occurring”. That is, the work analysis unit 16 detects a work estimated as a bottleneck work as a bottleneck work from the actual value (work time) and the target value (target work time) for each work.

  The work analysis unit 16 reads the work video data corresponding to the detected bottleneck work from the work video management unit 15 and displays it on the screen display unit 17. The work analysis unit 16 can display not only work video data of the bottleneck work but also predetermined information regarding the bottleneck work on the screen display unit 17. The predetermined information related to the bottleneck work includes, for example, information indicating the work procedure of the bottleneck work, information about the worker in charge of the bottleneck work, information about the product 25 related to the bottleneck work, and parts thereof. is there.

  A user, such as a production manager in charge of improving the work process, estimates the cause of the bottleneck by checking the work video data on the bottleneck work displayed on the screen display unit 17 and formulates a countermeasure. can do. The planned measures are updated as work procedure instruction information after verification. The worker can perform work by referring to work procedure instruction information for which countermeasures have been taken (information indicating how to proceed with work using characters, images, or the like).

  The actual work time detection unit 18 detects time (actual work time) in which work can actually be performed from the apparent work time by the worker W, and notifies the work analysis unit 16 of the detected time. As shown in an example described later, the actual work time detection unit 18 includes, for example, work video data managed by the work video management unit 15 and usage history of the worker terminal 27 managed by the worker terminal management unit 19. Based on this, the actual work time can be calculated.

  FIG. 2 is a functional configuration diagram of the work improvement support system 1. The work status monitoring unit 11 includes, for example, an RFID reader 22, a work instruction terminal 23, and an RFID management system (not shown) that manages RFID data read by the RFID reader 22.

  The production performance management unit 12 reads out data indicating the progress status of the work site from the RFID data and the operation content to the work instruction terminal 23 and grasps the production performance.

  The data collection unit 101 acquires performance data for each operation in each cell 21 from the production result management unit 12 regularly or irregularly, and also produces a production plan for each process (production plan for each cell) from the production plan management unit 13. ) To get. The data collection unit 101 does not need to periodically acquire a production plan by process, and may acquire a production plan by process from the production plan management unit 13 when the production plan is changed. The data collection unit 101 stores the actual data of each cell 21 acquired from the production result management unit 12 and the process-specific production plan acquired from the production plan management unit 13 in the data pool 102. The actual data includes data of work time required for each work procedure in each cell.

  The work analysis unit 16 reads out the process-specific production plan and actual data from the data pool 102, analyzes the work state of each cell 21, extracts the bottleneck work, and displays it on the screen display unit 17. Further, the work analysis unit 16 instructs the work video management unit 15 to display work video data corresponding to the bottleneck work on the screen display unit 17.

  The work video data managed by the work video management unit 15 and the result data are managed at the same time managed by the time management unit 103. The time management unit 103 may acquire and use time information from a time server installed outside the work improvement support system 1 or may use a timer in the time management unit 103.

  In this embodiment, the work video data corresponding to the bottleneck work can be read from the work video management unit 15 by searching the time information in the work video data at the start time of the bottleneck work. Instead of the method of managing by time, marker information indicating a work delimiter may be set in work video data every time each work is completed.

  FIG. 3 is an example of a computer system that implements the work improvement support system 1. The computer system 1000 is configured, for example, by connecting a video management server 1002, a database server 1003, an application server 1004, and a personal computer 1005 via a communication network CN.

  The video management server 1002 is a computer that implements the work video management unit 15. The video management server 1002 is connected to each camera 24 of each cell 21 via the hub 1001 and stores work video data acquired from each camera 24 in a hard disk drive, a tape drive, a semiconductor memory, or the like. The hub 1001 can also have a function of supplying power to each camera 24.

  The database server 1003 is a computer that implements the data pool 102, for example. The application server 1004 is, for example, a computer for realizing the production result management unit 12 and the production plan management unit 13. The personal computer 1005 is, for example, a computer that implements the work analysis unit 16 and the screen display unit 17.

  FIG. 3 is only an example of a computer system applicable to this embodiment. A computer system having a configuration other than the configuration shown in FIG. 3 can also be used in the work improvement support system 1 of the present embodiment.

  For example, when the work site 2 and the work improvement support system 1 are physically far apart, a copy of work video data managed by the video management server 1002 is provided in a location physically close to the personal computer 1005. May be. Accordingly, the work analysis unit 16 operating on the personal computer 1005 can quickly obtain a copy of the work video data and display the copy on the screen display unit 17.

  FIG. 4 shows an example of the work performance management table 121. The work performance management table 121 manages the contents of each work. Although the work performance management table 121 can be created for each cell 21, FIG. 4 illustrates one cell. The work record management table 121 can be managed by the production record management unit 12.

  The work record management table 121 manages, for example, a product name 1211, a serial number 1212, a work procedure 1213, a work time 1214, and a work start time 1215. The work performance management table 121 may include items other than those shown in FIG. 4 (for example, manufacturing date and time, worker identification information, etc.).

  The product name 1211 is the name of the product 25 manufactured in the cell 21. The production number 1212 is a production number for identifying a product.

  The work procedure 1213 is information for identifying the work procedure executed in the cell 21, for example, a work name. The work time 1214 is the time required for each work procedure. As described above, the worker performs work based on the work instruction information displayed on the work instruction terminal 23, and operates the terminal 23 before and after the start of the work. Thereby, the work situation monitoring unit 11 can grasp the time required for each work by each worker in each cell 21.

  The work start time 1215 is the start time of each work. When a work break is detected from an operation on the work instruction terminal 23, the work start time is specified and stored in the item 1215 of the work performance management table 121.

  FIG. 5 is an example of the work procedure management table 131. The work procedure management table 131 manages the target value of each work and the storage location of work instruction information. The work procedure management table 131 can be provided for each product 25. In FIG. 5, a case where work procedures for a plurality of products 25 are managed by one table 131 is taken as an example. The work procedure management table 131 can be managed by the production plan management unit 13.

  The work procedure management table 131 manages, for example, the product name 1311, the work procedure 1312, the target work time 1313, and the work instruction information storage location 1314. The product name 1311 is the name of the product 25. The work procedure 1312 is information for identifying each work procedure (each work) executed for producing the product. The target work time 1313 is a target time required to end each work procedure (each work).

  The work instruction information storage location 1314 is an address that stores information for instructing a worker with a character, image, or voice of a work procedure necessary for manufacturing the product 25. One piece of work instruction information may be prepared for the entire series of work required for manufacturing the product 25, or work instruction information may be prepared for each individual work procedure. FIG. 5 shows a case where work instruction information is prepared for the entire series of work. In this case, the work instruction information includes an operation button or an operation instruction for inputting the start or end of each work procedure to the terminal 23.

  FIG. 6 is a flowchart showing work video management processing. This process is executed by the work video management unit 15. In the example of FIG. 6, the work site 2 and the work improvement support system 1 are physically separated from each other, and a copy of the work video data is placed near the work improvement support system 1 in order to reduce the readout delay of the work video data. The case where it provides in is demonstrated.

  The work video management unit 15 starts recording in response to a recording start instruction from the work analysis unit 16 (S11: YES). Basically, in the present embodiment, the situation of the cell 21 at the work site 2 is not only during work, but also during work (time before work start, time after work finish). (And the situation around it)

  The work video management unit 15 starts shooting with each camera 24 in each cell 21 (S12), and stores the shot image data in the work video storage unit 151 (S13).

  The work video management unit 15 determines whether or not the transfer start timing has arrived (S14). If the work video management unit 15 determines that the transfer start timing has arrived (S14: YES), the work video data (displayed as image data in the figure) is predetermined. Transfer to the transfer destination (S15). As the transfer start timing, for example, a late-night time zone with a light load on the computer system 1000 may be selected.

  When the transfer is completed (S16: YES), the work video management unit 15 determines whether to stop the recording of the work situation (S17). In this embodiment, in order to continue the recording regardless of the presence or absence of work, the process returns to step S12. On the other hand, for example, recording can be stopped in preparation for maintenance work of the camera 24 or the like.

  If the work video management unit 15 does not create a copy of the work video data near the work improvement support system 1, steps S14 to S16 may be omitted.

  FIG. 7 is a flowchart showing work improvement support processing. This process is executed by the work analysis unit 16.

  The work analysis unit 16 acquires a target work time and a work time for each work from the production plan management unit 13 and the production result management unit 12 (S21).

  The work analysis unit 16 extracts a work that is estimated to be a bottleneck work from the degree of deviation between the target work time and the work time, and an information screen (for example, a cell number or work name) that identifies the bottleneck work. It displays on the display part 17 (S22).

  For example, the user who is responsible for improving the work process can select one or a plurality of bottleneck work displayed on the screen display unit 17 (S23: YES). The work analysis unit 16 reads work video data corresponding to the work selected by the user (bottleneck work) from the work video management unit 15 (S24), reproduces the read work video data, and displays it on the screen display unit 17. (S25).

  As described with reference to FIG. 4, the division of each work is managed by time information (work start time 1215 in FIG. 4). Therefore, by collating the work start time with the time information in the work video data, Work video data relating to the selected work can be specified.

  While viewing the work video data displayed on the screen display unit 17, the user can consider the cause of the bottleneck of the work, and can consider measures for eliminating the bottleneck.

  Then, the improvement measure (bottleneck measure) formulated by the user is registered in the production plan management unit 13 as a modified version of the work instruction information (S26).

  According to this embodiment configured as described above, since the bottleneck work can be extracted and the work video data corresponding to the bottleneck work can be reproduced and displayed, the user can relatively easily The actual state of the work can be confirmed visually. As a result, according to the present embodiment, it is possible to assist the user in drafting countermeasures against bottlenecks, and the usability of the user is improved. Since the cycle of work improvement by the user can be shortened, the production site (work site) can be improved efficiently, and productivity can be increased.

  Furthermore, in this embodiment, the image of the cell 21 (and its surroundings) is taken and stored over a long period of time regardless of whether or not work is performed. For example, the intrusion of a third party or a small animal, the position change of an instrument or a shelf, etc. The situation during the absence of workers can also be grasped. Therefore, work improvement can be further supported.

  Furthermore, although the size of the storage for storing work video data increases, regardless of the presence or absence of work, if an image of the cell 21 is taken and stored for a long time, it can be used for later analysis work.

  A second embodiment will be described with reference to FIGS. Each of the following embodiments including the present embodiment corresponds to a modification of the first embodiment, and therefore, differences from the first embodiment will be mainly described. In this embodiment, the actual work time (actual work time) is detected instead of the apparent work time.

  FIG. 8 is a flowchart showing a process for detecting the actual work time. This process is executed by, for example, the actual work time detection unit 18 shown in FIG. The actual work time detection unit 18 may be provided in the work analysis unit 16.

  For each work in each cell (S31), the actual work time detection unit 18 can actually work by subtracting the work impossible time during which work could not be performed from the apparent work time. Time is calculated (S32 to S35).

  For example, the actual work time detection unit 18 determines whether or not the worker is present in the cell 21 (present / absent) by analyzing the image data of the camera 24, and the worker is not present in the cell 21. The time is detected as an unworkable time (S32).

  Based on the history managed by the worker terminal management unit 19, the actual work time detection unit 18 acquires the time when the worker used the worker terminal 27, and detects the terminal use time as the work impossible time (S33). ).

  The actual work time detector 18 calculates the actual work time by subtracting the work impossible time from the apparent work time (S34). Here, the actual work time detection unit 18 calculates the net work impossible time in consideration of the start time and end time of the work impossible time. For example, when the worker is using the worker terminal 27 at a place away from the cell 21, the absent time and the terminal use time are not simply added up, but only the absent time is used as the work impossible time.

  The actual work time detection unit 18 stores the actual work time calculated in step S34 in the work performance management table 121A described in FIG. 9 (S35).

  FIG. 9 is an example of the work performance management table 121A according to the present embodiment. This table 121A has an actual work time 1216 and an actual work start time 1217, as compared to the table 121 described in FIG.

  The actual work time 1216 stores a time during which the worker can actually work. The actual work start time 1217 stores the start time of the actual work time. A plurality of values may be stored in the actual work start time 1217, for example, when the worker leaves the work in the middle of work.

  In the present embodiment, “actual work time” is used instead of “work time” in the work improvement support processing described with reference to FIG. For example, when the worker is suddenly called during work and leaves the cell 21, the apparent work time becomes longer than the target work time in the first embodiment, so that it is extracted as a bottleneck work. There is a possibility that. However, as a result of the operator returning to the cell 21 and resuming the work, when the work is completed within the target work time, there is only a temporary work delay due to a sudden reason. In the first embodiment, temporarily delayed work may be detected as a bottleneck work, but in this embodiment, a substantial bottleneck work in which the actual work time is longer than the target work time is extracted. be able to.

  Configuring this embodiment like this also achieves the same operational effects as the first embodiment. Furthermore, in this embodiment, it is possible to determine whether or not the bottleneck work is based on the actual work time, not the apparent work time detected in the first embodiment, so that the work situation can be analyzed more accurately. Can improve reliability and usability.

  A third embodiment will be described with reference to FIG. In this embodiment, the image quality of each camera 24 is controlled and stored.

  FIG. 10 is a flowchart showing work video management processing according to the present embodiment. This process is different from the process described in FIG. 6 in that a new step S18 is provided between step S12 and step S13.

  The work video management unit 15 sets the storage image quality when storing the image data captured by each camera 24 (S18). The image quality includes, for example, resolution and color. For example, the work video management unit 15 sets the storage image quality of each camera 24 according to the work.

  For example, the stored image quality can be set high with the camera 24 that can best shoot the place where the work is performed as the main camera, and the stored image quality can be set low with the other cameras 24 as sub cameras.

  Alternatively, the stored image quality of the camera 24 that is highly likely to detect the movement of the worker more than a predetermined amount may be set high, and the stored image quality of the other cameras 24 may be set low.

  Alternatively, the storage image quality of image data captured during work may be set high, and the storage image quality of image data captured while work is not being performed may be set low.

  Configuring this embodiment like this also achieves the same operational effects as the first embodiment. In this embodiment, the stored image quality is controlled in accordance with the work, so the size of the saved work video data can be reduced, and the storage cost can be reduced.

  In addition, this invention is not limited to embodiment mentioned above. A person skilled in the art can make various additions and changes within the scope of the present invention. In the above-described embodiment, the present invention is not limited to the configuration example illustrated in the accompanying drawings. The configuration and processing method of the embodiment can be changed as appropriate within the scope of achieving the object of the present invention.

  Moreover, each component of the present invention can be arbitrarily selected, and an invention having a selected configuration is also included in the present invention. Further, the configurations described in the claims can be combined with combinations other than those specified in the claims.

  1: work improvement support system, 2: work site, 11: work status monitoring unit, 12: production performance management unit, 13: production plan management unit, 14: worker management unit, 15: work video management unit, 16: work Analysis unit, 17: Screen display unit, 18: Actual work time detection unit, 19: Worker terminal management unit, 21: Cell, 22: RFID reader, 23: Work instruction terminal, 24: Camera, 25: Product

Claims (7)

A work improvement support system for supporting work process improvement,
A track record management unit for managing track record data related to each work included in the work process;
A plan management unit for managing plan data relating to each of the operations;
A work video management unit for managing work video data obtained by photographing a situation of a work site where each work is performed by an operator;
Based on the performance data and the plan data relating to the work, it is determined whether the work corresponds to a predetermined work to be improved, and when it is determined that the work corresponds to the predetermined work, A work analysis unit for extracting predetermined work video data relating to the work determined to fall under the predetermined work;
Work improvement support system with A display unit for displaying the predetermined work video data;
The work improvement support system according to claim 1. The association between each work and the work video data is based on an operation from the worker with respect to a work instruction terminal provided to the worker corresponding to each work.
The work improvement support system according to claim 2. The actual data is the work time required for the work,
The plan data is a target work time of the work,
The predetermined work is a bottleneck work in which the work time is longer than the target work time by a predetermined value or more.
The work improvement support system according to claim 3. Of the work time, further comprising an actual work time detection unit for detecting the actual work time that the worker was able to actually work,
The work improvement support system according to claim 4. The work video management unit manages work video data captured by a plurality of cameras arranged at the work site, and controls the image quality of each work video data according to the work.
The work improvement support system according to claim 5. A work improvement support method for supporting improvement of a work process by a computer,
The calculator is
Manage the performance data related to each work included in the work process,
Managing plan data for each of the above operations;
Manage work video data that captures the situation at the work site where each work is performed by an operator,
Based on the actual data and the plan data related to the work, it is determined whether the work corresponds to a predetermined work to be improved,
When it is determined that the work corresponds to the predetermined work, predetermined work video data relating to the work determined to correspond to the predetermined work is extracted from the work video data.
Work improvement support method.

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