JP2019074817A - Operation support system, operation support method, and operation support program - Google Patents

Abstract

To provide information according to a situation of an operator.SOLUTION: An operation support system has an acquisition unit which acquires movement information specifying a movement of an operator. The operation support system has a selection unit which selects support information for the operator according to a result of comparison of the specified movement information with a model corresponding to a learning level of the operator. The operation support system also has an output unit which outputs the selected support information.SELECTED DRAWING: Figure 2

Description

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

  In work in a factory or the like, a technique is known which presents information to workers based on work procedures, work hours, and the like. For example, there is known a work support apparatus that presents appropriate support information according to the support level of a worker. The apparatus presents a work item included in the work performed by the worker, acquires the number of experiences of the worker for each work item from the log recording unit, and supports the worker based on the number of experiences. Determine The apparatus reads out, from the support information storage unit, support information corresponding to the support level of the worker among the support information relating to the work item, and presents the support information to the worker, and the result and the result of the work The number of experiences of the worker is stored in the log storage unit.

  In addition, there is also known a process abnormality detection system that supports improvement work of a hand assembly line by automatically and promptly detecting an abnormality in work time or work procedure in each process of the hand assembly line. The system acquires work IDs at a plurality of points in the production line while detecting the work start and work end in each process, thereby separating the work start time and the work end time by work ID and process I will record separately. The system checks the recorded contents of the previous item of the work or the same item of the previous work when any item of the work start time and the work end time is recorded. Thereby, the system detects an abnormality in the work time or the work procedure, and outputs the detected abnormality and a process related to the abnormality.

JP, 2014-206880, A Unexamined-Japanese-Patent No. 2006-320096

  In the above technology, for example, unnecessary support information may be presented to a worker with high skill level, or the support information presented to a worker with low skill level may be insufficient. .

  In one aspect, it is an object of the present invention to provide a work support system, a work support method, and a work support program that can provide information according to the situation of a worker.

  In one aspect, the work support system includes an acquisition unit that acquires operation information that specifies an operator's operation. The work support system has a selection unit that selects support information for the worker according to the result of comparing the motion information with a model corresponding to the worker's learning level. Furthermore, the work support system has an output unit that outputs the selected support information.

  According to one aspect, it is possible to provide information according to the situation of the worker.

FIG. 1 is a diagram illustrating an example of the relationship between operation completion time and presentation information in the first embodiment. FIG. 2 is a diagram illustrating an example of the work support system in the first embodiment. FIG. 3 is a diagram illustrating an example of the standard operation DB according to the first embodiment. FIG. 4 is a diagram illustrating an example of the work history DB in the first embodiment. FIG. 5 is a diagram illustrating an example of the presentation information DB in the first embodiment. FIG. 6 is a diagram illustrating an example of motion detection and information presentation in the first embodiment. FIG. 7A is a flowchart illustrating an example of the work support process according to the first embodiment. FIG. 7B is a flowchart illustrating an example of the work support process according to the first embodiment. FIG. 7C is a flowchart illustrating an example of the work support process according to the first embodiment. FIG. 8 is a diagram illustrating an example of a work support system in the second embodiment. FIG. 9 is a flowchart illustrating an example of the work support process according to the second embodiment. FIG. 10 is a diagram illustrating an example of the relationship between operation completion time and presentation information in the third embodiment. FIG. 11A is a flowchart illustrating an example of the work support process according to the third embodiment. FIG. 11B is a flowchart illustrating an example of the work support process according to the third embodiment. FIG. 12 is a diagram illustrating an example of a computer that executes a work support program.

  Hereinafter, embodiments of a work support system, a work support method, and a work support program disclosed in the present application will be described in detail based on the drawings. The present invention is not limited by this embodiment. In addition, the embodiments described below may be combined appropriately as long as no contradiction occurs.

  The work support system 1 in the present embodiment is installed, for example, on a manufacturing line of a factory, and acquires operation information based on a detection result of an operation performed by an operator of each manufacturing line. The work support system 1 compares the acquired operation information with a model of a standard operation of the worker. Then, according to the comparison result, the work support system 1 in the present embodiment presents information for supporting the worker by a method such as display of a message, output of voice guidance, or projection to a corresponding work place.

  In the present embodiment, the work support system 1 specifies, for example, the timing of the start and the timing of the end of individual operations such as screwing and part installation included in the work such as product assembly. In the present embodiment, an example will be described in which the operation completion time is used, which indicates the time required for the operation specified by the start timing and the end timing of the individual operation as the operation information. The relationship between the operation completion time by the worker and the presented information will be described with reference to FIG. In the following, the time required for the operation specified by the start timing and the end timing of the individual operation may be referred to as “operation completion time T” or simply “operation time”.

  FIG. 1 is a diagram illustrating an example of the relationship between operation completion time and presentation information in the first embodiment. In addition, each time in the following shall show the operation completion time in, when an operation is started from the time t0 except the case where it demonstrates separately. In FIG. 1, the straight line S indicates the operation completion time by the worker at the standard learning level. In addition, below, the operation completion time by the worker of a standard learning level may be described with "standard operation completion time S." The horizontal axis in FIG. 1 indicates the time elapsed from time point t0.

  The vertical axis in FIG. 1 indicates the expected value of the probability that the operation will be completed at that time. In FIG. 1, times Min0 and Max0 respectively indicate the minimum value and the maximum value of the time expected as the operation completion time by the worker with the standard learning level. The work support system 1 according to the present embodiment sets, for example, S-2σ to Min0 and S + 2σ to Max0 with respect to the standard deviation σ of the standard operation completion time S. A graph M0 of normal distribution centered on the straight line S sandwiched between Min0 and Max0 shows an example of a standard operation completion time range corresponding to a worker of standard learning level. That is, FIG. 1 shows that the expected value of the operation completion time by the worker of the standard learning level becomes the highest at the standard operation completion time S.

  In FIG. 1, a section indicated by a broken line indicates the passage of time from time point t0 when the operation is not completed when the operation is started from time point t0, and a section indicated by a solid line is the time point when the operation is completed. It shows the passage of time from time t0. Sections 1100 to 1102 corresponding to the graph M0 indicated by reference numeral 1000 indicate the relationship between the operation completion time by the worker of the standard learning level and the information to be presented. Section 1100 shows the case where the operation by the worker is completed in a time range from Min0 to Max0. In this case, since the worker is considered to be operating normally, the work support system 1 determines that the support information for the worker is not presented. In addition, the support information shown to a worker may be described as "presentation information" below.

  In FIG. 1, a section 1101 indicates a case where the worker does not finish the operation even after the time Max0 has passed. In this case, it is considered that there is a possibility that the worker may feel lost or lose concentration, so the work support system 1 refers to the presentation information DB 123 described later and pays attention to the worker. Presenting prompting support information. Section 1102 shows the case where the operation by the worker ends before the time Min0 has elapsed. In this case, it is considered that there is a possibility that the worker may fail in some operation or perform a different operation. Therefore, the work support system 1 refers to a presentation information DB 123 to be described later, and presents support information that calls attention to the worker.

  Next, in FIG. 1, each of the sections 2100 to 2103 corresponding to the graph M1 denoted by reference numeral 2000 has an operation completion time by a worker who has a lower learning level and takes more time to operate than a worker with a standard learning level. , Show the relationship with the information presented. The standard operation completion time range Min1 to Max1 by such a worker is longer than the standard operation completion time range Min0 to Max0 by a standard worker as shown in FIG. In this case, a standard operation completion time range corresponding to the worker is shown, for example, in the graph M1.

  Section 2100 shows a case where the operator's operation is completed in a time range from Min1 to Max1, as in section 1100. In this case, the work support system 1 determines not to present support information for the worker, as in the case shown in the section 1100. Next, a section 2101 shows a case where the worker does not finish the operation even after the time Max1 has passed. In this case, the work support system 1 presents support information that calls the worker's attention as in the case shown in the section 1101.

  On the other hand, a section 2103 shows the case where the operation by the worker ends before the standard operation completion time S has elapsed. In this case, there is a low possibility that the worker's learning level has rapidly increased, and it is considered that there is a possibility that some operation may be neglected or a different operation may be performed as in the case shown in the section 1102. Therefore, the work support system 1 presents support information that calls the worker's attention as in the case shown in the section 1102.

  Further, a section 2102 shows a case where the operation by the worker is completed before the time Min1 elapses, but later than the standard operation completion time S. In this case, different from the case shown in the section 1102, there is also a possibility that the operation completion time T becomes short because the learning level of the worker has risen. In this case, the work support system 1 presents, to the worker, support information indicating that, for example, the operation speed has been improved.

  Next, in FIG. 1, each of the sections 3100 to 3109 corresponding to M2 indicated by reference numeral 3000 has a high learning level, and the operation completion time by the operator that can finish the operation in a shorter time than the worker at the standard learning level Show the relationship between T and the information presented. The range Min2 to Max2 of the standard operation completion time T by such a worker is shorter than the range Min0 to Max0 of the standard operation completion time T by a standard worker as shown in FIG. . In this case, the range of the standard operation completion time T corresponding to the worker is shown, for example, in the graph M2.

  Section 3100 shows the case where the operation by the worker is completed in the time from Min 2 to Max 2 similarly to section 1100. In this case, the work support system 1 determines not to present support information for the worker, as in the case shown in the section 1100.

  Next, a section 3101 shows a case where the operation by the worker ends after the time Max2 has elapsed and before the standard operation completion time S has elapsed. In this case, it was not the result that the worker was lost or concentration was interrupted, but as a result of the worker performing the work more carefully, it took more time than the standard operation completion time T of the worker It is considered probable. In this case, the work support system 1 presents, for example, support information indicating that the operation completion time T is longer than usual.

  In section 3101, even if the operation by the operator does not end before the time Max2 elapses, if the operation ends before the standard operation completion time S elapses, the operator may be lost It is thought that there is little possibility that the concentration will be interrupted. For this reason, the work support system 1 suppresses the presentation of support information until the standard operation completion time S elapses even when the operation by the worker is not completed before the time Max2 elapses.

  On the other hand, a section 3109 indicates a case where the operation by the worker has not ended even after the standard operation completion time S has elapsed. In this case, unlike in the case shown in section 3101, there is a high possibility that the worker may be lost or concentration may be interrupted. Therefore, the work support system 1 presents support information for alerting the worker, as in the case shown in the sections 1101 and 2101.

  Section 3102 shows the case where the operation by the worker ends before the time Min2 has elapsed. In this case, as in the case shown in the section 1102, it is considered that there is a possibility that the worker may fail in some operation or perform a different operation. Therefore, the work support system 1 presents support information that calls attention to the worker.

  As described above, the work support system in the present embodiment evaluates how much the operation completion time T of the worker deviates from the range of the time according to the skill level of the worker, and presents the support information according to the evaluation. Therefore, it is possible to present necessary support information after properly evaluating the situation of the worker.

[System configuration]
Next, the work support system 1 in the present embodiment will be described with reference to FIG. FIG. 2 is a diagram illustrating an example of the work support system in the first embodiment. The work support system 1 illustrated in FIG. 2 includes a work support apparatus 100, a sensor 200, and output devices 400a and 400b. In the following, when expressing the output devices 400 a and 400 b without distinction, the output devices 400 a and 400 b may be simply referred to as “output device 400”.

  In the present embodiment, the work support apparatus 100 is communicably connected to the sensor 200 and the output device 400 by wireless or wired communication. Although FIG. 2 shows the work support system 1 including one sensor 200 and two output devices 400, the embodiment is not limited to this. For example, the work support system 1 may include a plurality of sensors 200a to 200n (n is an arbitrary natural number of 2 or more), or may include only one output device 400.

  The work support apparatus 100 shown in FIG. 2 acquires information on the movement of the worker detected by the sensor 200, compares the movement information of the worker with the model of the movement of the worker, and based on the comparison result, the worker Output presentation information for. The work support apparatus 100 may be set in a factory production line, or may be installed at a place different from the production line, such as a data center.

  A sensor 200 illustrated in FIG. 2 is a device that detects the movement of the worker, and is, for example, a camera, an acceleration sensor, an infrared sensor, or the like. The sensor 200 captures an image of, for example, a worker, and outputs the captured image to the work support apparatus 100. In addition, the sensor 200 may be mounted on, for example, a tool or the like used by the worker, and may detect the movement of the tool or the like accompanying the movement of the worker. Furthermore, the sensor 200 may be a weight sensor installed in a component box or the like, a switch operated by an operator, or the like.

  The output device 400 illustrated in FIG. 2 is a device that outputs the presentation information output from the work support apparatus 100 to the worker. The output device 400 is, for example, a speaker that outputs a voice for alerting a worker or a liquid crystal monitor that displays presentation information. Also, the output device 400 may be a projector that performs projection mapping on a component to be operated.

[Function block]
Next, functional blocks of the work support apparatus 100 in the present embodiment will be described with reference to FIG. As shown in FIG. 2, the work support apparatus 100 in the present embodiment includes a communication unit 110, a storage unit 120, and a control unit 130.

  The communication unit 110 controls communication with other computers such as the sensor 200 and the output device 400 regardless of wired or wireless. The communication unit 110 is, for example, a communication interface such as a network interface card (NIC). The communication unit 110 is an example of an output unit.

  The storage unit 120 stores, for example, various data such as a program executed by the control unit 130. The storage unit 120 also includes a standard operation DB 121, a work history DB 122, and a presentation information DB 123. The storage unit 120 corresponds to a semiconductor memory device such as a random access memory (RAM), a read only memory (ROM), a flash memory, or a storage device such as a hard disk drive (HDD).

  The standard operation DB 121 stores a standard operation completion time T in each operation. The information stored in the standard operation DB 121 is input in advance by, for example, a manager of the work support apparatus 100 (not shown). FIG. 3 is a diagram illustrating an example of the standard operation DB according to the first embodiment. As shown in FIG. 3, the standard operation DB 121 stores, for example, “operation content” and “standard time” in association with the “operation ID”.

  In FIG. 3, “operation ID” indicates an identifier (Identifier) that uniquely identifies the type of operation included in each task. "Operation content" indicates the content of the operation identified by the operation ID, and "standard time" indicates a standard operation completion time T corresponding to the operation. In addition, the standard time corresponding to each worker may be described with the representative value R below.

  In the example shown in FIG. 3, the alphabetic character at the beginning of the action ID is information for uniquely identifying the work, and the subsequent three-digit number indicates the order of the action in the work. Further, the last two digits of the operation ID is information for uniquely identifying the worker. For example, the operation ID “A-001-01” is an identifier related to the standard time corresponding to the worker “01” in the “first” operation included in the operation “A”.

  The standard operation DB 121 in the present embodiment stores the standard operation completion time S in addition to the standard operation completion time T corresponding to each worker with different learning levels. In the example shown in FIG. 3, the last alphabetic character and number of the operation ID is "X0" indicates that it is the standard operation completion time S. In the example shown in FIG. 3, the standard time of the "stop screw" operation corresponding to the worker "01" is "17 seconds", and the standard time of the operation corresponding to the worker of the standard learning level "15 seconds. Longer than In the present embodiment, the worker “01” is an example of a worker with a low learning level.

  The standard time corresponding to each worker in the present embodiment is calculated, for example, based on the result of observing the actual movement of each worker and measuring the time from the start of the movement to the end of the movement. The standard time in the present embodiment is, for example, an average value of a plurality of operation completion times T measured by each worker. In addition, when calculating the standard time, in order to exclude the influence of outliers, for example, those of upper and lower arbitrary ratios (for example, 10% each) out of the measured operation completion time T are calculated. May be

  In addition, the standard time corresponding to the worker of the standard learning level in the present embodiment is, for example, an average value of the calculated standard time of each worker, but not limited to this, for example, in all the workers. It may be an average value of the operation completion times T of a plurality of times. Further, similarly to the calculation of the standard time corresponding to each worker, the calculation may be performed excluding the operation completion time T at any ratio of upper and lower.

  Returning to FIG. 2, the work history DB 122 stores operation completion time T in each operation actually measured by each worker. FIG. 4 is a diagram illustrating an example of the work history DB in the first embodiment. As shown in FIG. 4, the work history DB 122 in the present embodiment stores the “operation start time”, the “operation ID”, and the “measured time” in association with the “operation number”. The information stored in the work history DB 122 is input by, for example, the operation history update unit 133 described later.

  In FIG. 4, “operation number” is a number assigned to each operation. The “operation start time” indicates the time when the operation of the operation number is started, and the “measured time” indicates the elapsed time from the operation start time to the operation end time. For example, in the record of the operation number "0001", the operator "01" starts the operation of "A-001" at "2017/8/1 10:00:00", and the measurement time is "4 seconds". Remember that it was. The work history DB 122 may be configured to further store the “operation end time” in addition to the “operation start time”.

  Returning to FIG. 2, the presentation information DB 123 stores the presentation information presented to the worker through the output device 400. FIG. 5 is a diagram illustrating an example of the presentation information DB in the first embodiment. As shown in FIG. 5, the presentation information DB 123 stores items of “message”, “spot”, “voice output” and “confirmation operation” in association with “information ID”. The information stored in the presentation information DB 123 is input in advance by, for example, a manager of the work support apparatus 100 (not shown).

  "Information ID" shown in FIG. 5 is an identifier that uniquely identifies presentation information. The first alphabet of the information ID and the following three-digit number uniquely identify the operation and the operation as the operation ID. Further, the last alphabet and number of the information ID is information uniquely identifying the presentation information corresponding to the operation.

  In FIG. 5, the "message" stores the contents of the presentation information. The “spot” stores, based on the presentation information, through the output device 400, whether or not to perform projection mapping regarding the location corresponding to the message. Similarly, “audio output” stores whether to perform audio output through the output device 400 based on the presentation information. The “confirmation operation” stores whether or not the confirmation operation by the operator is requested when the presentation information is output through the output device 400.

  In FIG. 5, “◎” indicates that the spot, voice output or confirmation operation is to be performed, and “−” indicates that it is not to be performed. Also, “Δ” indicates that any one of the corresponding spot, voice output and confirmation operation is selected and executed. For example, in the information ID “A-002-C2”, only one of “spot” and “voice output” is executed.

  Returning to FIG. 2, the control unit 130 is a processing unit that controls the overall processing of the work support apparatus 100. The control unit 130 is realized, for example, by a program stored in an internal storage device being executed by using a RAM as a work area by a central processing unit (CPU), a micro processing unit (MPU) or the like. Further, the control unit 130 may be realized by an integrated circuit such as an application specific integrated circuit (ASIC) or a field programmable gate array (FPGA).

  The control unit 130 includes an acquisition unit 131, an operation time specification unit 132, an operation history update unit 133, an information presentation determination unit 134, and an information selection unit 135. The acquisition unit 131, the operation time specification unit 132, the operation history update unit 133, the information presentation determination unit 134, and the information selection unit 135 are an example of an electronic circuit included in the processor and an example of a process executed by the processor.

  The acquisition unit 131 acquires information specifying an operation and information regarding standard time. The acquisition unit 131 is, for example, from the sensor 200 through the communication unit 110, as information for specifying an operation, using image data of the operation of the worker taken by the camera, or an acceleration sensor attached to the worker's hand or tool. Acquire the acquired acceleration etc. In addition, the information which specifies the operation | movement which the acquisition part 131 acquires may be described with "sensor data" below.

  Further, the acquiring unit 131 refers to, for example, the standard operation DB 121, and acquires a standard time corresponding to the worker of the acquired operation and a standard time corresponding to the worker of the standard learning level. The acquisition unit 131 outputs the acquired information to the operation time identification unit 132 and the information presentation determination unit 134.

  The operation time specifying unit 132 specifies the operation completion time T using the sensor data. The operation time specifying unit 132 outputs information related to the specified operation completion time T to the operation history update unit 133 and the information presentation determination unit 134. The operation time specifying unit 132 is an example of an acquisition unit.

  When the operation time specifying unit 132 acquires, for example, image data obtained by capturing an operator's operation as sensor data from the acquisition unit 131, the operation time specifying unit 132 specifies the timing when the operator starts the operation, and specifies the type of the operation. Furthermore, the operation time specifying unit 132 specifies the timing when the operator ends the operation using the acquired image data.

  The operation time specifying unit 132 analyzes, for example, image data using a known image processing technique, and after the operation is completed, the operator has moved to a predetermined position for performing the next operation, or to a predetermined position. When it is recognized that the hand is moved, the timing at which the operator starts the operation is specified. The operation time specifying unit 132 also specifies the timing at which the operator starts the operation, for example, when the acceleration acquired by the acceleration sensor attached to the tool or the like becomes equal to or greater than a predetermined threshold.

  Similarly, the operation time specifying unit 132 analyzes, for example, image data, and recognizes an operation necessary for the end of a predetermined operation, such as an operator removing a hand from a part or returning a tool to a tool box. In this case, the timing at which the operator has finished the operation is specified.

  Further, the operation time specifying unit 132 calculates the operation completion time T by subtracting the time of the start timing of the specified operation from the time of the end timing of the specified operation. The operation time specifying unit 132 resets the operation start time and repeats the process when it is specified that the operation is re-initiated from the beginning, for example, when the operator makes a mistake in the operation.

  When the operation time specifying unit 132 specifies the timing when the worker starts the operation, the operation time specifying unit 132 outputs the operation start time to the operation history update unit 133 and the information presentation determination unit 134. Further, when the operation time specifying unit 132 specifies the timing at which the operator ends the operation, the operation time specifying unit 132 calculates the operation completion time T and outputs the operation completion time T to the operation history update unit 133 and the information presentation determination unit 134.

  Next, the operation history update unit 133 registers the operation completion time T in the work history DB 122. When the operation history updating unit 133 acquires information on the operation completion time T from the operation time specifying unit 132, the operation history updating unit 133 associates the corresponding operation ID with the corresponding operation ID, adds an operation number, and stores the operation number in the work history DB 122. The operation history update unit 133 is an example of an update unit.

  Next, the information presentation determination unit 134 estimates a standard working time range corresponding to each worker, and whether to output presentation information based on the output operation completion time T, and It is determined whether to output presentation information. The information presentation determination unit 134 is an example of an evaluation unit.

  When the information presentation determination unit 134 receives the output of the standard time corresponding to the worker from the acquisition unit 131, the information presentation determination unit 134 can use, for example, a standard corresponding to each worker based on the distribution as shown in the graphs M0 to M2 of FIG. Estimate the working time range. Information presentation determination unit 134 estimates times Min and Max respectively corresponding to the minimum value and the maximum value of the standard working time range corresponding to each worker, and stores them in storage unit 120.

  The times Min and Max in the present embodiment are calculated, for example, by a fixed value such as ± 10 seconds centering on the representative value R or a ratio such as 10% of the standard operation completion time S. In addition, as the times Min and Max, a value obtained by doubling the standard deviation of the operation completion time T recently N times or a first quartile and a third quartile of the history of the operation completion time T may be used.

  In addition, upon receiving the output of the operation start time from the operation time specifying unit 132, the information presentation determination unit 134 determines whether the output of the operation completion time T is received before the time Min elapses from the operation start time. judge.

  If the information presentation determination unit 134 determines that the output of the operation completion time T is received before the time Min elapses, the information presentation determination unit 134 determines whether the time Min is larger than the standard operation completion time S. If the information presentation determination unit 134 determines that the time Min is equal to or less than the standard operation completion time S, the information presentation determination unit 134 outputs the determination result to the information selection unit 135. On the other hand, when the information presentation determination unit 134 determines that the time Min is larger than the standard operation completion time S, the information presentation determination unit 134 determines whether the standard operation completion time S is larger than the operation completion time T. Output to

  On the other hand, when the information presentation determination unit 134 determines that the output of the operation completion time T is received after the elapse of the time Min, the operation completion time T is from when the time Max elapses to when the standard operation completion time S elapses. It is determined whether or not it is a time between, and the determination result is output to the information selection unit 135.

  When the information presentation determination unit 134 does not receive the output of the operation completion time T, the information presentation determination unit 134 determines whether the time Max has elapsed before receiving the output of the operation completion time T. In addition, in the following, the information presentation determination unit 134 may describe the time elapsed without receiving the output of the operation completion time T as “elapsed time T ′” after receiving the output of the operation start time.

  If the information presentation determination unit 134 determines that the time Max has elapsed before receiving the output of the operation completion time T, the information presentation determination unit 134 determines whether the standard operation completion time S is longer than the time Max. If the information presentation determination unit 134 determines that the time Max is less than the standard operation completion time S, the information presentation determination unit 134 outputs the determination result to the information selection unit 135. On the other hand, when it is determined that the standard operation completion time S is longer than the time Max, the information presentation determination unit 134 determines whether the elapsed time T 'is less than the standard operation completion time S, and the determination result is an information selection unit. Output to 135. Thereafter, the information presentation determination unit 134 waits until receiving the output of the operation completion time T.

  Next, the information selection unit 135 refers to the presentation information DB 123 based on the determination result by the information presentation determination unit 134, selects presentation information to be output to the worker, and sends the output device 400 through the communication unit 110. Output. The information selection unit 135 is an example of a selection unit.

  In the information selection unit 135, when the information presentation determination unit 134 determines that the operation completion time T falls between the minimum time Min and the maximum time Max of the standard time range corresponding to the worker , Suppress the output of presentation information. The same applies to the case where the operation completion time T is equal to or less than the time Max and the case where it is determined that the operation completion time T is equal to or more than the standard operation completion time S. On the other hand, when the information presentation determination unit 134 determines that the operation completion time T is greater than the time Max and less than the standard operation completion time S, the information selection unit 135 refers to the presentation information DB 123 more than usual. Output presentation information E indicating that you are working carefully.

  Next, a case where the information presentation determination unit 134 determines that the operation completion time T is less than the time Min will be described. If the information presentation determination unit 134 determines that the time Min is equal to or less than the standard operation completion time S, the information selection unit 135 refers to the presentation information DB 123 and outputs presentation information A2 that calls attention to an operation leak. . Similarly, also when it is determined that the standard operation completion time S is less than the time Min and longer than the operation completion time T, the information selection unit 135 outputs presentation information A1 that warns about an operation leak. On the other hand, when it is determined that the standard operation completion time S is less than the time Min and the operation completion time T or less, the information selection unit 135 outputs presentation information B indicating that the operation speed has improved. .

  Next, the case where it is determined in the information presentation determination unit 134 that the time Max has elapsed before receiving the output of the operation completion time T will be described. When it is determined that the time Max is equal to or longer than the standard operation completion time S, the information selection unit 135 refers to the presentation information DB 123, and outputs presentation information C1 describing the operation procedure to the worker with a low learning level. . On the other hand, when it is determined in the information presentation determination unit 134 that the time Max is less than the standard operation completion time S and the elapsed time T ′ is less than the standard operation completion time S, the information selection unit 135 It outputs presentation information D prompting a worker to work. Furthermore, when it is determined that information Max is less than standard operation completion time S and elapsed time T ′ is equal to or longer than standard operation completion time S, information selection section 135 determines that the learning level is high. It outputs presentation information C2 describing the operation procedure to a high worker.

  Next, an example of mounting the work support system 1 in the present embodiment will be described with reference to FIG. FIG. 6 is a diagram illustrating an example of motion detection and information presentation in the first embodiment. As shown in FIG. 6, the sensor 200 in the present embodiment is, for example, a camera 200a, which captures an operation by a worker of a factory production line. The output device 400 is, for example, a projector 400a and a speaker 400b, and outputs presentation information to the worker.

  The projector 400 a performs projection mapping 4001 in order to indicate, for example, to the operator a base to be operated. Also, the projector 400a performs projection mapping 4011 to indicate to the operator a component box or the like that stores components such as screws used for operation. Furthermore, the projector 400a performs projection mapping 4012 to indicate to the operator the screwing place and the like.

[Flow of processing]
Next, processing in the present embodiment will be described using FIGS. 7A and 7C. FIG. 7A is a flowchart illustrating an example of the work support process according to the first embodiment. As illustrated in FIG. 7A, the acquisition unit 131 of the work support apparatus 100 stands by until a start instruction is received from an administrator (not illustrated) through, for example, an operation unit or communication unit 110 (not illustrated) (S100: No).

  When it is determined that the start instruction has been received (S100: Yes), the acquiring unit 131 refers to the standard operation DB 121 to acquire a standard time corresponding to a worker with a standard learning level (S101).

  Next, the acquisition unit 131 refers to the standard operation DB 121 to acquire the standard time corresponding to the target worker, and outputs the standard time to the information presentation determination unit 134 (S102). The information presentation determination unit 134 calculates the time Min of the minimum value and the time Max of the maximum value of the standard working time range corresponding to the worker based on the output standard time (S103).

  Next, the acquisition unit 131 starts acquisition of sensor data from the sensor 200 through the communication unit 110, and outputs the acquired sensor data to the operation time identification unit 132 (S104). The operation time specifying unit 132 stands by until the operator recognizes the start of the operation using the output sensor data (S105: No).

  When recognizing the start of the operation by the worker (S105: Yes), the operation time specifying unit 132 outputs the operation start time to the information presentation determination unit 134 and starts measurement of the operation completion time T (S106). Then, using the output sensor data, the operation time specifying unit 132 determines whether the end of the operation by the worker has been recognized (S110). The operation time specifying unit 132 outputs the operation completion time T to the operation history update unit 133 and the information presentation determination unit 134 when it is determined that the end of the operation by the worker is recognized.

  If the information presentation determination unit 134 determines that the end of the operation by the worker is not recognized (S110: No), the start of the operation by the worker is recognized and then the end of the operation by the worker is recognized Until then, it is determined whether the time Max has elapsed (S120). When it is determined that the time Max has not elapsed (S120: No), the information presentation determination unit 134 returns to S110 and repeats the processing.

  When the information presentation determination unit 134 determines that the time Max has elapsed (S120: Yes), the process proceeds to S140 of FIG. 7B through the terminal A. FIG. 7B is a flowchart illustrating an example of the work support process according to the first embodiment. The information presentation determination unit 134 determines whether the time Max is less than the standard operation completion time S (S140). The information presentation determination unit 134 outputs the determination result to the information selection unit 135 when it determines that the time Max is equal to or longer than the standard operation completion time S (S140: No). The information selection unit 135 outputs the presentation information C1 (S141), and proceeds to S159.

  On the other hand, when the information presentation determination unit 134 determines that the time Max is less than the standard operation completion time S (S140: Yes), it determines whether the elapsed time T 'is less than the standard operation completion time S. The determination result is output to the information selection unit 135 (S150).

  When it is determined that the elapsed time T 'is equal to or longer than the standard operation completion time S (S150: No), the information selection unit 135 outputs the presentation information C2 (S151), and then proceeds to S159. On the other hand, when it is determined that the elapsed time T 'is less than the standard operation completion time S (S150: Yes), the information selection unit 135 outputs the presentation information D (S152), and then proceeds to S159.

  Then, the operation time specifying unit 132 stands by until the end of the operation by the worker is recognized (S159: No). When recognizing the end of the operation by the worker (S159: Yes), the operation time specifying unit 132 specifies the operation completion time T by subtracting the time of start of the operation from the time of the end of the operation. It transfers to S190 of FIG. 7A.

  Returning to FIG. 7A, the operation history update unit 133 stores the operation completion time T in the work history DB 122 (S190). Then, the acquisition unit 131 determines whether an end instruction has been received from an administrator (not illustrated), for example, through the operation unit or communication unit 110 (not illustrated) (S199). When it is determined that the end instruction has not been received (S199: No), the acquiring unit 131 returns to S104 through the terminal C and repeats the processing. On the other hand, when the acquiring unit 131 determines that the end instruction has been received (S199: Yes), the processing is ended.

  Returning to S110, when recognizing the end of the operation by the operator (S110: Yes), the operation time specifying unit 132 specifies the operation completion time T by subtracting the operation start time from the operation end time. , Output to the information presentation determination unit 134.

  The information presentation determination unit 134 determines whether the output operation completion time T is less than the time Min (S130). When it is determined that the operation completion time T is less than the time Min (S130: Yes), the information presentation determination unit 134 shifts to the flow of FIG. 7C via the terminal B. FIG. 7C is a flowchart illustrating an example of the work support process according to the first embodiment. As shown in FIG. 7C, the information presentation determination unit 134 determines whether the time Min is larger than the standard operation completion time S (S160).

  If the information presentation determination unit 134 determines that the time Min is equal to or less than the standard operation completion time S (S160: No), the information presentation determination unit 134 outputs the presentation information A2 (S161), and then shifts to S190 of FIG.

  On the other hand, when the information presentation determination unit 134 determines that the time Min is longer than the standard operation completion time S (S160: Yes), it determines whether the operation completion time T is less than the standard operation completion time S, It outputs to the selection part 135 (S170). When it is determined that the operation completion time T is equal to or longer than the standard operation completion time S (S170: No), the information selection unit 135 outputs the presentation information B (S171), and then shifts to S190 of FIG. Do. On the other hand, when it is determined that the operation completion time T is less than the standard operation completion time S (S170: Yes), the information selection unit 135 outputs the presentation information A1 (S172), and thereafter the terminal D in FIG. Migrate to

  Returning to S130, when the information presentation determination unit 134 determines that the operation completion time T is equal to or longer than the time Min (S130: No), the operation completion time T is greater than the time Max and less than the standard operation completion time S It is determined whether there is any, and the determination result is output to the information selection unit 135 (S131).

  When it is determined that the operation completion time T is greater than the time Max and less than the standard operation completion time S (S131: Yes), the information selection unit 135 outputs the presentation information E (S132), and proceeds to S190. . On the other hand, when it is determined that the operation completion time T is the time Max or less or the standard operation completion time S or more (S131: No), the information selection unit 135 outputs the presentation information to the S190 without outputting the presentation information. Transition.

[effect]
As described above, the work support system in the present embodiment includes the acquisition unit that acquires operation information that specifies the operation of the worker. The work support system has an evaluation unit that evaluates the situation of the worker by comparing the motion information with a model corresponding to the skill level of the worker. Furthermore, the work support system has a selection unit that selects support information for the worker according to the evaluation result of the worker. Thus, the work support apparatus can provide information according to the situation of the worker.

  In addition, the work support system in the present embodiment refers to a standard operation storage unit that stores a model corresponding to a worker's skill level for each worker, and a model and a standard skill corresponding to the worker's skill level Get the model corresponding to the level worker. In the work support system, when the motion information deviates from the model corresponding to the worker's skill level, the difference between the model corresponding to the worker skill level and the model corresponding to the standard skill level worker Output different evaluation results accordingly. Thereby, in addition to the level of learning of the worker, it is possible to provide information in consideration of the standard level of learning.

  Also, in the case of the work support system in the present embodiment, when the motion information deviates from the model corresponding to the worker's skill level, it is determined that the work support system does not deviate from the model corresponding to the worker of the standard skill level. If so, suppress the output of support information. This makes it possible to suppress the output of excessive support information for workers with high learning levels.

  In addition, the work support system in the present embodiment acquires, as operation information, information specifying the start timing of the operation and information specifying the end timing of the operation. The work support system acquires the range of the standard operation completion time T by the worker in the operation as a model corresponding to the worker's learning level. The work support system acquires a range of standard operation completion time T by workers of standard learning level in operation as a model corresponding to workers of standard learning level. The work support system uses the operation completion time T specified by the operation information to evaluate the situation of the worker. Thus, the situation of the worker can be evaluated according to the worker's operation completion time T.

  In addition, the work support system in the present embodiment evaluates the situation of the worker when a predetermined time has elapsed from the timing of the start of the operation by the worker. Thereby, this can facilitate recovery for a worker whose operation is delayed.

  Further, in the work support system according to the present embodiment, when the timing of the start of the operation by the worker does not specify the timing of the end of the operation even if the range of the standard operation completion time T by the worker in the operation is exceeded, The output of the support information is suppressed until the range of the standard operation completion time T by the worker of the standard learning level in operation is exceeded. This makes it possible to suppress the output of excessive support information for workers with high learning levels.

  In addition, the work support system in the present embodiment is a worker with a standard learning level in operation when the timing of the end of the operation is specified before reaching the range of the standard operation completion time T by the worker in the operation. When it is determined that the end timing of the operation is later or later than the range of the standard operation completion time T, different evaluation results are output. Thereby, different support information can be output according to the difference in the level of learning of the worker.

  Furthermore, the work support system according to the present embodiment further includes a sensor that detects the operation of the worker, and an output device that outputs support information for the selected worker, including at least one of a speaker, a monitor, and a projector. Including. The work support system acquires, as operation information, information on the operation of the worker detected by the sensor. The work support system includes, as support information for the worker, at least one or more of audio data output by a speaker, image data displayed on a monitor, and information on a position to be irradiated by a projector. select. Thereby, the support information can be effectively presented to the worker.

  By the way, the level of learning of the worker is not constant, but generally it is improved according to the experience. In addition, it is considered that the standard operation completion time S corresponding to the worker of the standard learning level fluctuates according to the learning level of the individual worker. So, in a present Example, the structure which updates the skill level of each worker and the standard skill level of a worker using operation completion time T of each worker memorize | stored in work log | history DB122 is demonstrated.

[Function block]
The work support system 2 in the present embodiment in the present embodiment will be described with reference to FIG. FIG. 8 is a diagram illustrating an example of a work support system in the second embodiment. In the following embodiments, the same parts as the parts shown in the above-described drawings are denoted by the same reference numerals, and redundant description will be omitted.

  The work support system 2 shown in FIG. 8 includes a work support device 500, a sensor 200, and output devices 400a and 400b. The work support apparatus 500 in the present embodiment includes a communication unit 110, a storage unit 520, and a control unit 530. The storage unit 520 stores, for example, various data such as a program executed by the control unit 530. Further, the storage unit 520 includes a standard operation DB 521, a work history DB 122, and a presentation information DB 123.

  The standard operation DB 521 stores a standard operation completion time T in each operation. The information stored in the standard operation DB 521 is input in advance by, for example, an administrator of the work support apparatus 500 (not shown), and is updated by the standard operation updating unit 536 described later. The data structure of the standard operation DB 521 is the same as that of the standard operation DB 121, so the detailed description will be omitted.

  Control unit 530 is a processing unit that controls the overall processing of work support device 500. The control unit 530 further includes a standard operation update unit 536 in addition to the acquisition unit 131, the operation time specification unit 132, the operation history update unit 133, the information presentation determination unit 134, and the information selection unit 135.

  The standard operation update unit 536 updates the standard time stored in the standard operation DB 521 with reference to the work history DB 122. The standard operation update unit 536 calculates, for example, the third quartile of the N most recent average values of the operation completion time T in the specific operation of each worker stored in the work history DB 122, for example. The standard operation update unit 536 compares the calculated third quartile with the standard time of the operation of the worker stored in the standard operation DB 521, and when the third quartile has a shorter time. , Update the worker's standard time.

  In addition, the standard operation update unit 536 aggregates the latest N average values of the calculated operation completion time T of each worker, and calculates the average value of the operation completion time T of all the workers. The standard operation update unit 536 compares the calculated average value of the operation completion times T of all the workers with the standard time corresponding to the worker of the standard learning level stored in the standard operation DB 521. Then, if the average value of the operation completion times T of all the workers is shorter, the standard operation update unit 536 updates the standard time corresponding to the worker of the standard learning level.

[Flow of processing]
Next, processing in the present embodiment will be described using FIG. FIG. 9 is a flowchart illustrating an example of the work support process according to the second embodiment. In the following description, the same reference numerals as those in the steps shown in FIG. 7A denote the same steps, so detailed description will be omitted.

  As shown in FIG. 9, when the operation history update unit 133 updates the operation history (S190), the standard operation update unit 536 acquires the operation completion time T. Then, the standard operation update unit 536 updates the standard time of the worker stored in the standard operation DB 521 using the acquired operation completion time T. The standard operation update unit 536 also updates the standard time of the standard learning level worker stored in the standard operation DB 521 using the operation completion time T (S191). Thereafter, the process proceeds to S199.

[effect]
As described above, the work support system in the present embodiment includes the operation history storage unit that stores operation information, and the update unit that stores the operation information in the operation history storage unit. Furthermore, the work support system further includes a standard operation update unit that updates the model corresponding to the level of learning of the worker stored in the standard operation storage unit with reference to the operation information stored in the operation history storage unit. Thereby, a change in the level of learning of the worker can be reflected in the subsequent evaluation of the worker.

  In addition, the standard operation update unit compares a model calculated using information on the level of operation of each worker with a model corresponding to a worker with a standard learning level, and the comparison result is a predetermined condition. Update the model corresponding to the worker with the standard learning level when This makes it possible to reflect the change in the level of learning of the workers in the standard level of learning.

  In each of the above embodiments, the work support system presents support information when a worker's operation is delayed, for example, when a predetermined time point such as time Max or standard operation completion time S is exceeded. However, in order to prompt the worker to immediately improve the operation, it is desirable to present support information to the worker before the predetermined time point is exceeded. So, in a present Example, the structure which evaluates a worker's condition is demonstrated in the specific timing before predetermined time passes.

  FIG. 10 is a diagram illustrating an example of the relationship between operation completion time and presentation information in the third embodiment. In the following embodiments, the same parts as the parts shown in the above-described drawings are denoted by the same reference numerals, and redundant description will be omitted. In FIG. 10, each of the sections 7100 to 7101 corresponding to the graph M0 indicated by the reference numeral 7000, like the respective sections indicated by the reference numeral 1000, includes the operation completion time T by the worker with the standard learning level and the information presented. Show the relationship between Further, each of the sections 8100 to 8101 corresponding to the graph M1 indicated by the reference numeral 8000 is, like each section indicated by the reference numeral 2000, a worker having a low learning level and requiring more time for operation than a worker having a standard learning level The relationship between the operation completion time T according to and the information to be presented is shown. Furthermore, each section 9100 to 9109 corresponding to the graph M2 indicated by reference numeral 9000 has a high learning level similar to each section indicated by reference numeral 3000, and the operation can be completed in a shorter time than a worker with a standard learning level. The relationship between the operation completion time T by the worker and the information to be presented is shown.

  The information presentation determination unit 634 of the work support apparatus 600 of the work support system 3 (not shown) in the present embodiment performs the evaluation when the operation of the worker is delayed, at an earlier timing than the timing in the first embodiment. For example, as shown in section 7100, the evaluation timing Max0-Tα in this embodiment is earlier by Tα than the timing Max0 in the first embodiment.

  In this case, even when the operation of the worker ends at a timing included in section 7101 earlier than Max0, if the operation end timing is later than Max0−Tα, unlike the first embodiment, the information presentation determination is performed. Section 634 presents support information. Further, the information presentation determination unit 634 presents the support information at the timing included in the section 7101 earlier than Max0 when the operation of the worker does not end at the timing of Max0-Tα. On the other hand, even when the worker ends the work after Min0, the information presentation determination unit 634 in the present embodiment does not support the information in the case where the work is ended in the section 7100 up to the timing Max0-Tα earlier than Max0. Suppress the presentation.

  Similarly for the workers with different learning levels, the evaluation timings Max1-Tα and Max2-Tα in the present embodiment are each earlier by Tα than the timings Max1 and Max2 in the first embodiment. Therefore, the information presentation determination unit 634 performs evaluation in the case where the operation of the worker ends at timings included in the sections 8101 and 9101 earlier than Max1 and Max2, respectively, similarly to the example illustrated in the section 7101.

  Furthermore, the information presentation determination unit 634 according to the present embodiment is a standard for an operator who can finish the operation in a shorter time than a worker with a standard learning level, when the operation is not completed even after Max2 passes. In some cases, the support information may be presented earlier than the operation completion time S has elapsed. For example, the information presentation determination unit 634 in the present embodiment evaluates to present support information in a time S-Tβ earlier than the standard operation completion time S by Tβ. Thus, the information presentation determination unit 634 presents support information even when the operation of the worker ends at the timing included in the section 9109 earlier than the standard operation completion time S.

  Note that the time Tα to advance earlier than Max and the time Tβ to advance earlier than the standard operation completion time S may be set as fixed values, for example, “5 seconds” if the standard operation completion time S is relatively short. . Further, if the standard operation completion time S is relatively long, Tα and Tβ may be calculated by a formula such as {Max- (Max-Min)} × 15%. Note that Tα and Tβ may be the same value or may be different values.

[Flow of processing]
Next, processing in the present embodiment will be described using FIGS. 11A and 11B. FIG. 11A is a flowchart illustrating an example of the work support process according to the third embodiment. In the following description, the same reference numerals as in the steps shown in FIGS. 7A and 7B denote the same steps, so detailed description will be omitted.

  As shown in FIG. 11A, when the information presentation determination unit 634 in the present embodiment determines that the output operation completion time T is equal to or longer than the time Min (S130: No), the operation completion time T is from the time Max-Tα. It is determined whether it is large and less than the standard operation completion time S. Then, the information presentation determination unit 634 outputs the determination result to the information selection unit 635 of the work support device 600 (not shown) (S131a).

  When it is determined that the operation completion time T is greater than the time Max-Tα and less than the standard operation completion time S (S131a: Yes), the information selection unit 635 outputs the presentation information E (S132a), and the process proceeds to S190. Transition. On the other hand, when it is determined that the operation completion time T is equal to or less than the time Max-T or the standard operation completion time S (S131a: No), the information selection unit 635 does not output the presentation information. It transfers to S190.

  Returning to S110, when the information presentation determination unit 634 determines that the end of the operation by the worker is not recognized (S110: No), the operation start by the worker is recognized after the start of the operation by the worker is recognized. Before the end is recognized, it is determined whether the time Max-Tα has elapsed (S120a). When the information presentation determination unit 634 determines that the time Max has not elapsed (S120a: No), the process returns to S110 to repeat the process.

  When the information presentation determination unit 634 determines that the time Max has elapsed (S120a: Yes), the process proceeds to S140 of FIG. 11B through the terminal A. FIG. 11B is a flowchart illustrating an example of the work support process according to the third embodiment. If the information presentation determination unit 634 determines that the time Max is less than the standard operation completion time S (S140: Yes), it determines whether or not the elapsed time T 'is less than the time S-Tβ, and the determination result Are output to the information selection unit 635 (S150a).

  When it is determined that the elapsed time T 'is equal to or longer than the standard operation completion time S (S150a: No), the information selection unit 635 outputs the presentation information C2 (S151a), and then proceeds to S159. On the other hand, when it is determined that the elapsed time T 'is less than the standard operation completion time S (S150a: Yes), the information selection unit 635 outputs the presentation information D (S152a), and then proceeds to S159.

[effect]
As described above, the work support system in the present embodiment evaluates the situation of the worker at a specific timing before the predetermined time passes. This makes it possible to assist the worker in recovering the operation delay at an earlier timing.

  Although the embodiments of the present invention have been described above, the present invention may be implemented in various different modes other than the above-described embodiments. For example, although the example using operation completion time T as operation information was explained, an embodiment is not restricted to this. For example, the work support system may be configured to detect the movement of the worker's hand, the size of the movement of the sight line, and the like, and use it as operation information. In this case, the standard operation DB 121 may store the standard movement amount in the operation instead of the standard time of the operation. The size of the movement of the worker's hand and the size of the movement of the gaze are examples of the movement amount of the worker.

  As described above, the work support system in the present embodiment may acquire the movement amount of the worker in the operation as the operation information. In addition, the work support system may acquire a standard range of movement amount by the worker in the operation as a model corresponding to the worker's learning level. Furthermore, the work support system may obtain a standard movement amount range by the worker with the standard learning level in operation as a model corresponding to the worker with the standard learning level regarding the operation. In this way, it is possible to provide information according to the situation of the worker based on the amount of movement of the worker's hand, eyes or the like.

  The timing at which the operation time specifying unit 132 specifies the start and end of the operation is an example, for example, when it is detected that the degree of expansion and contraction of the cord attached to the tool has become equal to or more than a predetermined threshold value. It is also good. In addition, when the operator operates a predetermined switch installed in the parts box, etc., or when it is detected that the parts are installed in the weight sensor, the trigger for starting or ending the operation should be set arbitrarily Can.

  Also, the configuration has been described in which the operation time specifying unit 132 specifies the type of operation and the start timing and end timing of the operation using the information on the operation acquired from the sensor 200, but the embodiment is not limited to this. It is not limited to. For example, the sensor 200 may be configured to specify the type of operation, and the timing of start and end of the operation, and output information regarding the specified operation to the work support apparatus 100.

  Further, although the configuration in which the support information is output to the worker through the output device 400 has been described, the present invention is not limited to this, and the configuration is such that the support information is output to other persons It may be.

  Further, in each of the above embodiments, the configuration has been described in which the standard operation DB 121 stores, in one table, standard times corresponding to a plurality of workers, including a standard time corresponding to a worker with a standard learning level. However, the embodiment is not limited to this. For example, the standard operation DB 121 may be configured to hold one table for each worker. Similarly, the work history DB 122 may be configured to hold one table for each worker.

  Further, the method of calculating the standard time shown in FIG. 3 is not limited to the method described above. For example, the standard time specified by the experience value or the standard operation completion time S of the same operation may be diverted. Moreover, you may specify standard time according to the basic method of process control, such as WF method and MTM method.

  Further, the configuration has been described in which the information presentation determination unit 134 estimates the minimum time Min and the maximum time Max of the standard working time range corresponding to each worker based on the distribution. The form of is not limited to this. For example, the time Min and Max may be stored in advance in the standard operation DB 121.

  Furthermore, the information presentation determination unit 134 determines whether to present support information using not only the operation completion time T and the movement amount in one operation but also the operation completion time T and the movement amount in a plurality of operations. May be For example, the information presentation determination unit 134 may determine whether to present the support information using the operation completion time T in a plurality of operations, the average value of movement amounts, the magnitude or variance of differences, or the like. . As a result, the work support apparatus 100 can identify, for example, that the operation of the worker is gradually changing, or that the operation of the worker has a variation.

[system]
Further, each component of each device illustrated is functionally conceptual, and does not necessarily have to be physically configured as illustrated. That is, the specific form of distribution and integration of each device is not limited to the illustrated one. That is, all or part of them can be configured to be functionally or physically dispersed and integrated in arbitrary units in accordance with various loads, usage conditions, and the like. For example, the acquisition unit 131 and the operation time specification unit 132 illustrated in FIG. 2 may be integrated, or the operation time specification unit 132 and the operation history update unit 133 may be integrated. Further, the acquisition unit 131 illustrated in FIG. 2 may be distributed to a processing unit that acquires information on an operation and a processing unit that acquires information on a standard operation. Furthermore, all or any part of each processing function performed in each device may be realized by a CPU and a program analyzed and executed by the CPU, or may be realized as wired logic hardware.

  Next, an example of a computer that executes an alignment program that realizes the same function as the work support apparatus 100 shown in the above embodiment will be described. FIG. 12 is a diagram illustrating an example of a computer that executes a work support program. Although the work support apparatus 100 in the first embodiment will be described below, the work support apparatuses 500 and 600 in the second to fourth embodiments can also be realized by the same configuration.

  As shown in FIG. 12, the computer 300 includes a CPU 301 that executes various arithmetic processing, an input device 302 that receives input of data from a user, and a display 303. The computer 300 also includes a reading device 304 that reads programs and the like from a storage medium, an interface device 305 that exchanges data with other computers via a network, a camera 306, and a distance sensor 307. The computer 300 also has a RAM 308 for temporarily storing various information, and a hard disk drive 309. The devices 301 to 309 are connected to the bus 310.

  The hard disk drive 309 has a work support program 309a. The CPU 301 reads the work support program 309 a and develops it in the RAM 308.

  The work support program 309 a performs the processing of the work support process 308 a functioning as the work support process 308 a in the processing of the acquisition unit 131, the operation time identification unit 132, the operation history update unit 133, the information presentation determination unit 134 and the information selection unit 135. It corresponds.

  The work support program 309a may not necessarily be stored in the hard disk drive 309 from the beginning. For example, each program is stored in a “portable physical medium” such as a flexible disk (FD), a CD-ROM, a DVD disk, a magneto-optical disk, an IC card or the like inserted into the computer 300. Then, the computer 300 may read out and execute the work support program 309a.

1, 2 work support system 100, 500 work support device 110 communication unit 120, 520 storage unit 121, 521 standard operation DB
122 Work History DB
123 Presentation Information DB
130, 530 Control unit 131 Acquisition unit 132 Operation time specification unit 133 Operation history update unit 134, 634 Information presentation determination unit 135, 635 Information selection unit 536 Standard operation update unit 200 Sensor 400a, 400b Output device

Claims (10)

An acquisition unit that acquires operation information that specifies an operator's operation;
A selection unit that selects support information for the worker according to a result of comparing the motion information with a model corresponding to the worker's learning level;
A work support system comprising: an output unit configured to output support information selected by the selection unit. The acquisition unit refers to a standard operation storage unit that stores, for each worker, a model corresponding to the worker's skill level, and a model and standard skill level work corresponding to the worker's skill level Get the model corresponding to the
When the motion information deviates from the model corresponding to the worker's learning level, the selection unit corresponds to the model corresponding to the worker's learning level and the model corresponding to the worker of the standard learning level The work support system according to claim 1, wherein different support information is selected in accordance with the difference between them.   When it is determined that the operation information does not deviate from the model corresponding to the worker of the standard learning level when the operation information deviates from the model corresponding to the skill level of the worker. The work support system according to claim 2, wherein the support information is selected when it is determined that the support information is not selected and the model for the worker with the standard learning level is deviated. An operation history storage unit that stores the operation information;
An updating unit that stores the operation information in the operation history storage unit;
And a standard operation updating unit for updating a model corresponding to the level of learning of the worker stored in the standard operation storage unit with reference to the operation information stored in the operation history storage unit. The work support system according to claim 2 or 3.   The standard operation update unit compares a model calculated using information on the level of operation of each worker with a model corresponding to the worker of the standard learning level, and the result of the comparison is predetermined. The work support system according to claim 4, characterized in that the model corresponding to the worker with the standard learning level is updated when the condition of (4) is satisfied. The acquisition unit acquires, as the operation information, information specifying the start timing of the operation and information specifying the end timing of the operation as a model corresponding to the learning level of the worker in the operation. The standard operation completion time by the worker with the standard learning level in the operation as a model corresponding to the worker with the standard learning level while acquiring the range of the standard operation completion time by the worker Get a range of
The work support system according to any one of claims 2 to 5, wherein the selection unit performs a process of comparing with the model using an operation completion time specified by the operation information.   The selection unit is a standard by a worker with a standard learning level in the operation when the timing of the end of the operation is specified before reaching a range of a standard operation completion time by the worker in the operation. 7. The work support system according to claim 6, wherein the support information is selected when it is determined that the end timing of the operation is later or later than the range of the operation completion time. The work support system includes a sensor that detects an operation of the worker.
It further includes an output device including at least one of a speaker, a monitor, and a projector that outputs support information for the worker selected by the selection unit,
The acquisition unit acquires, as the operation information, information on the operation of the worker detected by the sensor.
The selection unit is at least one of sound data output by the speaker, image data displayed on the monitor, and information on a position to be irradiated by the projector as support information for the worker. Select one or more,
The work support system according to any one of claims 1 to 7, wherein the output unit outputs the selected support information to the output device. The computer is
Acquire motion information that identifies the worker's motion,
According to the result of comparing the motion information with a model corresponding to the level of learning of the worker, selecting support information for the worker;
A work support method for performing a process of outputting the selected support information. On the computer
Acquire motion information that identifies the worker's motion,
According to the result of comparing the motion information with a model corresponding to the level of learning of the worker, selecting support information for the worker;
A work support program that causes a process of outputting the selected support information.

Images