Work determination system, work determination method and work determination program

Abstract

To provide a work determination system for changing a determination period according to a standard work time, and improving determination processing efficiency.SOLUTION: A work determination system includes a storage part for storing a work and a work time in association with each other, a standard work time setting part for setting a standard work time on the basis of the work time, and a work determination part for recognizing and determining the work, on the basis of the standard work time, wherein the work determination part includes a period setting part for setting a determination period for determining a work in a predetermined period, and the period setting part changes a determination period between a first period and a second period in the standard work time.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to an activity determination system, an activity determination method, and an activity determination program. [Background technology]

[0002] It has been practiced to analyze the posture of a worker. Patent Document 1 discloses an analysis device having a skeleton extraction unit that acquires skeleton data including feature point data indicating the joint positions of a person appearing in image data by image recognition using image data as input. The analysis device has a storage unit for a posture model in which a posture label is associated with each piece of skeleton data. The analysis device also has a posture estimation unit that determines the posture of the person appearing in the image data from the posture label predetermined for the posture model based on the skeleton data acquired by the skeleton extraction unit. Furthermore, the analysis device has an output unit that marks and displays the feature point data of the skeleton data acquired by the skeleton extraction unit based on the result of the determination by the posture estimation unit. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2020-201772 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the above-mentioned analysis device, shortening the posture judgment cycle improves the judgment accuracy, but there is a possibility that the judgment processing efficiency decreases. Therefore, an object of the present disclosure is to provide a task judgment system that changes the judgment cycle according to the standard task time and improves the judgment processing efficiency. [Means for solving the problem]

[0005] The operation determination system of the present disclosure includes: A storage unit that associates and stores work and work time; a standard work time setting unit that sets a standard work time from the work time; a task determination unit that recognizes and determines the task based on the standard task time, The work determination unit includes a cycle setting unit that sets a determination cycle for determining the work at a predetermined cycle, The cycle setting unit is a task determination system that changes the determination cycle between a first period and a second period of the standard task time.

[0006] The above configuration provides an activity judgment system that changes the judgment cycle in accordance with the standard activity time and improves the efficiency of the judgment process.

[0007] The operation determination system of the present disclosure includes: the first period of time precedes the second period of time; The first period is longer than the second period.

[0008] With the above configuration, the determination cycle can be made shorter in the final stage of work than in the initial stage of work, thereby improving the efficiency of the determination process.

[0009] The operation determination system of the present disclosure includes: After the standard operation time has elapsed, the shortest judgment period is set.

[0010] With the above configuration, the task judgment cycle for tasks that exceed the standard task time can be shortened, thereby improving the efficiency of the judgment process.

[0011] The task determination method of the present disclosure includes: Link tasks and work times to each other and remember them. A standard work time is set from the work time. A task determination system that recognizes and determines the task based on the standard task time, In the determination, a determination cycle is set to determine the work at a predetermined cycle; In the task determination method, the determination cycle is changed between a first period and a second period of the standard task time in setting the determination cycle.

[0012] The above-described configuration provides an activity judgment method that changes the judgment cycle in accordance with the standard activity time and improves the efficiency of the judgment process.

[0013] The operation judgment program disclosed herein is Link tasks and work times to each other and remember them. A standard work time is set from the work time. A task determination program that causes an information processing device to recognize and determine the task based on the standard task time, In the determination, a determination cycle is set to determine the work at a predetermined cycle; The task judgment program is configured to change the judgment period between a first period and a second period of the standard task time in setting the judgment period.

[0014] With the above configuration, an activity judgment program is provided that changes the judgment cycle in accordance with the standard activity time, thereby improving the efficiency of the judgment process. Effect of the Invention

[0015] The present disclosure provides an activity judgment system that changes the judgment cycle in accordance with standard activity times and improves the efficiency of the judgment process. [Brief description of the drawings]

[0016] [Figure 1] FIG. 11 is a diagram illustrating an example of a task determination period according to the embodiment. [Diagram 2] 1 is a diagram illustrating an example of a standard operation time and an operation determination period according to an embodiment. [Diagram 3] 1 is a block diagram showing a configuration of an operation determination system according to an embodiment. [Figure 4] 1 is an exemplary flowchart of an activity determination method according to an embodiment; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings. However, the invention according to the claims is not limited to the following embodiment. Furthermore, not all of the configurations described in the embodiment are necessarily essential as means for solving the problem. For clarity of explanation, the following description and drawings are omitted and simplified as appropriate. In each drawing, the same elements are given the same reference numerals, and repeated explanations are omitted as necessary.

[0018] (Description of the Operation Judgment System According to the Embodiment) FIG. 1 is a diagram showing an example of a task judgment period according to an embodiment. FIG. 2 is a diagram showing an example of a standard task time and a task judgment period according to an embodiment. FIG. 3 is a block diagram showing a configuration of an task judgment system according to an embodiment. The task judgment system according to an embodiment will be described with reference to FIGS. 1 to 3. Task judgment system 300 is a system that judges tasks performed by people through image analysis using artificial intelligence (AI (Artificial Intelligence)).

[0019] As shown in Fig. 1, the activity determination system 300 according to the embodiment uses data for △ seconds every 〇 seconds to make a determination, in the same way as with general time series analysis. As shown in Fig. 1, skeletal data of a person performing an activity is measured for 0.5 seconds, for example, every 0.25 seconds, and then a determination is made. If this 〇 seconds is set as the determination cycle, the shorter the determination cycle, the more accurate the determination. On the other hand, the shorter the determination cycle, the more calculation time is required.

[0020] Therefore, as shown in Figure 2, the time required for a task is estimated from the data from the first to third cycles. For example, a task is selected from multiple tasks and standard tasks such as temporary tightening and tightening are determined. When the task time for the standard task is linked, for example, if it is determined to be temporary tightening, it is found that the task requires approximately four seconds. These four seconds are set as the standard task time.

[0021] Of this 4-second standard work time, from 0 to 3 seconds, judgments are made at 1-second intervals, and from 3 to 4 seconds, judgments are made at 0.5-second intervals. After 4 seconds, judgments are made at intervals of, for example, 0.25 seconds. In this way, the work judgment system 300 changes the judgment cycle according to the standard work time. In particular, by starting out with a long judgment cycle and gradually shortening it, the amount of calculation processing in the early stages, when it is difficult to determine the work judgment, is reduced, and the amount of calculation processing in the later stages, when it is easier to determine the work judgment, is increased, thereby reducing the overall calculation processing.

[0022] In this way, by dynamically changing the judgment period based on data on how many seconds a standard task lasts, it is possible to improve the efficiency of the judgment process.

[0023] 3, the activity judgment system 300 includes a storage unit 301, a standard activity time setting unit 302, and an activity judgment unit 303. The activity judgment unit 303 includes a cycle setting unit 304.

[0024] The memory unit 301 stores the work and the work time in association with each other. The work may be any work that can be determined based on information from an image or a wearable sensor. For example, a series of high-level tasks for installing parts in a factory may be broken down into a wide variety of tasks such as removing parts, installing them, temporarily tightening screws, and tightening screws. These tasks are also referred to as unit tasks in this specification. A unit task is a breakdown of a high-level task, and may be included in another high-level task.

[0025] The task time associated with a unit task may be used as a reference for the task time of another unit task of a high-level task. For example, the task time for temporarily tightening a screw on a car bumper may be used as a reference for the task time for temporarily tightening a screw on a car door.

[0026] The standard work time setting unit 302 sets the standard work time based on the work time. The work time for a unit work can be averaged by acquiring multiple pieces of data. For example, this average time can be set as the standard work time. Also, a time slightly longer than the average time can be set as the standard work time. In other words, the standard work time is set as the time to finish a unit work.

[0027] The work determination unit 303 recognizes and determines work based on the standard work time. The work determination unit 303 recognizes and determines work during or beyond the standard work time. Work recognition is performed, for example, by inputting an image of a worker performing a task or sensor information from a wearable sensor attached to the worker into a learning device that has been trained by machine learning, which is artificial intelligence (AI (Artificial Intelligence)). The learning device outputs a determination result of the recognized work. For example, the determination result is the name of the unit work, such as temporarily tightening a screw.

[0028] The cycle setting unit 304 sets a judgment cycle for judging an operation at a predetermined cycle. The predetermined cycle is set based on a standard operation time, such as 1 second, 0.5 seconds, etc. For example, the judgment cycle may be set to 1 / 2, 1 / 4, 1 / 8, etc. of the standard operation time.

[0029] Then, the cycle setting unit 304 changes the judgment cycle between the first period and the second period of the standard operation time. In this way, a task judgment system is provided that changes the judgment cycle according to the standard operation time and improves the efficiency of the judgment process.

[0030] The first period and the second period are successive. Here, it is preferable that the first period precedes the second period and is longer than the second period. In this way, the judgment cycle can be made shorter in the final stage of the work than in the initial stage of the work, thereby improving the efficiency of the judgment process.

[0031] In addition, there are cases where work is not completed within the standard work time. In such cases, it is preferable to set the shortest judgment period after the standard work time has elapsed. By doing so, the work judgment period for work that exceeds the standard work time can be shortened, and the judgment processing efficiency can be improved.

[0032] (Description of the Work Judgment Method According to the Embodiment) 4 is an exemplary flowchart of the activity determination method according to the embodiment. The activity determination method according to the embodiment will be described with reference to FIG.

[0033] As shown in FIG. 4, first, a unit task is defined from several past cycles (step S401). Next, data required for task determination is collected (step S402). Next, it is decided that the task will be determined at a determination period of x [sec] (step S403). This x seconds is set as the standard determination period. Next, task determination is performed at a determination period of 4×x [sec] up to 1 / 2 of the time required for the determined task (step S404). Task determination is performed at four times the standard determination period up to 1 / 2 of the standard task time. Next, task determination is performed at a determination period of 2×x [sec] up to 3 / 4 of the time required for the determined task (step S405). Task determination is performed at twice the standard determination period from 1 / 2 to 3 / 4 of the standard task time. Finally, after 3 / 4 of the time has passed, the standard determination period is set (step S406). Task determination is performed at the standard determination period of x [sec] after 3 / 4 of the standard task time has passed.

[0034] In this way, a task determination method is provided that changes the determination cycle in accordance with the standard task time and improves the efficiency of the determination process.

[0035] The above task determination method can be implemented by an information processing device. The information processing device includes a processor, such as a CPU (Central Processing Unit) that executes a program for executing processing, and a memory that stores the program. Therefore, an task determination program that executes the above task determination method is also provided.

[0036] In addition, a part or all of the processing in the information processing device 100 described above can be realized as a computer program. Such a program can be stored using various types of non-transitory computer-readable media and supplied to a computer. The non-transitory computer-readable medium includes various types of tangible recording media. Examples of the non-transitory computer-readable medium include magnetic recording media (e.g., flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (e.g., magneto-optical disks), CD-ROMs (Read Only Memory), CD-Rs, CD-R / Ws, and semiconductor memories (e.g., mask ROMs, PROMs (Programmable ROMs), EPROMs (Erasable PROMs), flash ROMs, and RAMs (Random Access Memory)). The program may also be supplied to a computer by various types of temporary computer-readable media. Examples of the temporary computer-readable medium include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can supply the program to a computer via a wired communication path such as an electric wire and an optical fiber, or via a wireless communication path.

[0037] The present invention is not limited to the above-described embodiment, and can be modified as appropriate without departing from the spirit and scope of the present invention. [Explanation of symbols]

[0038] 300 work judgment system, 301 storage unit, 302 standard work time setting unit, 303 work judgment unit, 304 period setting unit

Claims

1. A storage unit that associates and stores work and work time; a standard work time setting unit that sets a standard work time from the work time; a task determination unit that recognizes and determines the task based on the standard task time, The work determination unit includes a cycle setting unit that sets a determination cycle for determining the work at a predetermined cycle, The cycle setting unit changes the judgment cycle between a first period and a second period of the standard work time.

2. the first period of time precedes the second period of time; The operation determination system according to claim 1 , wherein the first period is longer than the second period.

3. 2. The work judgment system according to claim 1, wherein the judgment period is set to a shortest period after the standard work time has elapsed.

4. Link and memorize tasks and work times, A standard work time is set from the work time. A task determination system that recognizes and determines the task based on the standard task time, In the judgment, a judgment period is set to judge the work at a predetermined period, The task determination method includes setting the determination period by changing the determination period between a first period and a second period of the standard task time.

5. Link and memorize tasks and work times, A standard work time is set from the work time. A task determination program that causes an information processing device to recognize and determine the task based on the standard task time, In the judgment, a judgment period is set to judge the work at a predetermined period, The task judgment program includes a step of changing the judgment period between a first period and a second period of the standard task time in setting the judgment period.

Images