JP2018112940A - Operator assignment device, method of operator assignment and program of operator assignment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To assign an adequate operator to error handling work of a production device.SOLUTION: A server 50 comprises a receiving unit 110 which receives information concerning error occurrence from a production device at which error occurs among a plurality of production devices, a specification unit 112 which specifies the operator capable of executing the error handling work, an acquisition unit 114 which acquires time required when the respective specified plurality of operators move as far as the production device at which error occurs if the number of the specified operators is more than one operator and time required when the respective specified plurality of operators perform the error handling work, and output units (114, 116) which determine and output the operator who executes the error handling work from among the specified plurality of operators on the basis of the acquired result of the acquisition unit.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a worker assignment device, a worker assignment method, and a worker assignment program.

  In the production line of a factory, the earlier the completion time of all the production plans assigned to each line is, the better from the viewpoint of cost and delivery time. For this reason, in consideration of the processing time of each production device included in the production line, a technique for optimizing so that the time for completing all production plans is advanced is proposed.

  In addition, when equipment failures occur in various situations on the production line, the occupation time of physical resources and human resources necessary to resolve the failures (total work time in the case of human resources) A technique for re-creating a production schedule based on a recovery time calculated using the above is known (see, for example, Patent Document 1).

JP 2000-288876 A

  However, in the above-described technique, when a failure or error occurs in the production apparatus included in the production line, there is a possibility that an operator cannot be appropriately assigned to work for dealing with the failure or error.

  In one aspect, an object of the present invention is to provide a worker assignment device, a worker assignment method, and a worker assignment program capable of assigning an appropriate worker to an error handling work of a production apparatus.

  In one aspect, the worker assignment device includes: a receiving unit that receives information relating to an error occurrence from a first production device in which an error has occurred among a plurality of production devices; and an error handling operation of the first production device. A specifying unit for specifying a worker that can be executed, a time required for each of the plurality of specified workers to move to the first production apparatus when there are a plurality of specified workers, and a specification Each of the plurality of workers who has acquired the time required for the error handling work of the first production apparatus, and the plurality of workers identified based on the acquisition result of the acquisition unit An output unit that determines and outputs an operator who performs an error handling operation of the first production apparatus.

  It is possible to assign an appropriate worker to the error handling work of the production apparatus.

It is a figure showing roughly the composition of the production system concerning one embodiment. It is a figure which shows a production line. It is a figure which shows the hardware constitutions of a server. It is a functional block diagram of a server. It is a figure which shows an example of the data structure of worker position DB. FIG. 6A is a diagram illustrating an example of the data structure of the worker DB, and FIG. 6B is a diagram illustrating an example of the data structure of the error occurrence probability table. It is a flowchart which shows the process of a server.

  Hereinafter, an embodiment of a production system will be described in detail with reference to FIGS. FIG. 1 schematically shows the configuration of a production system 100 according to an embodiment.

  As shown in FIG. 1, the production system 100 includes an in-factory system 60 provided in the factory, a server 70 as an operator assignment apparatus connected to the in-factory system 60 via a network 80 such as the Internet, Is provided.

  One or more production lines as shown in FIG. 2 are provided in the factory. Each production line includes, for example, a production apparatus 1, a production apparatus 2,... Production apparatus n, and produces products by processing substrates and the like in order from the production apparatus 1. In the factory, there are workers A, B,... That perform inspection and maintenance of production equipment and error handling work.

  As shown in FIG. 1, the in-factory system 60 includes an error detection device 10 included in each production device, a position detection device 20 held by each worker, an instruction terminal 30 installed in the factory, and a transmission / reception device. 40. The error detection device 10, the position detection device 20, the instruction terminal 30, and the transmission / reception device 40 are connected to a network 45 such as a LAN (Local Area Network).

  The error detection device 10 includes an error detection unit 11 and a transmission unit 12. When the error detection unit 11 detects an error in the production apparatus, the error detection unit 11 notifies the transmission / reception apparatus 40 of the error via the transmission unit 12.

  The position detection device 20 includes a position detection unit 21 and a transmission unit 22. The position detection unit 21 is a beacon, a GPS (Global Positioning System) sensor, or the like. When the position of the worker is detected, the position detection unit 21 notifies the transmission / reception device 40 of the position of the worker via the transmission unit 22. Position detection by the position detection device 20 is executed at predetermined time intervals. In place of the position detection device 20, a camera may be installed in the factory, and the position of each worker may be detected based on an image captured by the camera. The position may be detected.

  The instruction terminal 30 is a device that displays an instruction sent from the server 70. Specifically, the instruction terminal 30 displays information on the worker who should perform the error handling work of the production apparatus in which the error has occurred. The instruction terminal 30 includes a receiving unit 32 and a display unit 34. The receiving unit 32 receives the instruction sent from the server 70 and transmits it to the display unit 34. The display unit 34 displays the instruction transmitted from the receiving unit 32 on the screen. The display unit 34 may output an instruction by voice instead of the screen display or together with the screen display.

  The transmission / reception device 40 transmits the data transmitted from the error detection device 10 and the position detection device 20 to the server 70 via the network 80. In addition, the transmission / reception device 40 transmits information related to the instruction transmitted from the server 70 to the instruction terminal 30.

  When an error occurs in the production apparatus, the server 70 selects an operator who should perform an error handling operation for the production apparatus (first production apparatus) in which the error has occurred based on data collected from the in-factory system 60. It is a device that determines and transmits it to the in-factory system 60 (instruction terminal 30).

  FIG. 3 schematically shows the hardware configuration of the server 70. As shown in FIG. 3, the server 70 includes a CPU (Central Processing Unit) 90, a ROM (Read Only Memory) 92, a RAM (Random Access Memory) 94, a storage unit (here, an HDD (Hard Disk Drive)) 96, a network. An interface 97, a portable storage medium drive 99, a display unit 93, an input unit 95, and the like are provided. Each component of the server 10 is connected to a bus 98. The display unit 93 is, for example, a liquid crystal display, and the input unit 95 is, for example, a keyboard, a mouse, a touch panel, or the like. In the server 10, a program (including a worker assignment program) stored in the ROM 92 or the HDD 96 or a program (including a worker assignment program) read from the portable storage medium 91 by the portable storage medium drive 99 is stored in the CPU 90. Are executed, the functions shown in FIG. 4 are realized. 4 also shows the worker position DB 130, the worker DB 132, and the error occurrence probability table 134 stored in the HDD 96 of the server 10.

  FIG. 4 shows functional blocks of the server 10. As illustrated in FIG. 4, the server 10 functions as a reception unit 110, a specification unit 112, an allocation unit 114 as an acquisition unit, and a transmission unit 116 when the CPU 90 executes a program.

  When an error is detected in the error detection unit 11 of the error detection device 10 and error information is transmitted via the transmission / reception device 40, the reception unit 110 receives the error information and notifies the specification unit 112 of the error information. . In addition, when the position detection unit 21 of the position detection device 20 detects the position information of the worker and the position information is transmitted via the transmission / reception device 40, the reception unit 110 receives the position information and receives the position information. Store in the position DB 130. Here, the worker position DB 130 has a data structure as shown in FIG. Specifically, as shown in FIG. 5, the worker position DB 130 stores, for each worker, information on the time when the position information is acquired and the position information itself (position coordinates). Note that the position information may be deleted in order from the oldest one every time a predetermined time elapses.

  The specifying unit 112 refers to the worker position DB 130, extracts workers existing in the factory, refers to the worker DB 132, and among the extracted workers, the error handling work of the production apparatus in which an error has occurred. Identify the workers who can perform Here, the worker DB 132 will be described in detail. FIG. 6A shows an example of the data structure of the worker DB 132. As shown in FIG. 6A, the worker DB 132 stores “worker”, “walking speed”, “device in charge”, “work time 1”, “work time 2”, “work time 3”,. It has each field. The “worker” field stores worker identification information, and the “walking speed” field stores an average walking speed for each worker. Note that the average walking speed is calculated based on the transition of the position information acquired when the worker is moving (when the position information is shifting more than a predetermined value in the worker position DB 130). However, the present invention is not limited to this, and the average walking speed may be registered in advance by an administrator or the like, or may be automatically calculated based on the height, sex, age, etc. of the worker. The average walking speed may be updated every predetermined period. In the field “device in charge”, identification information of a production apparatus that can be operated by each worker is stored. For example, FIG. 6A shows that the worker A can perform error handling work on the production apparatuses 1, 2, and 3. Here, in the field of “in charge device”, information reported from each worker may be stored, or based on the history of each worker's position information stored in the worker position DB 130, a predetermined value may be stored. An operator who has stayed in front of the production apparatus for more than an hour may be identified, and the identified worker may be determined as an operator capable of handling the error of the production apparatus. “Working time 1”, “Working time 2”, “Working time 3”,... Store the time required for the error handling work of the production device stored in the “device in charge” field. From FIG. 6A, for example, the worker A requires an average of 38 [min] for the error handling work of the production apparatus 1 and takes an average of 26 [min] for the error handling work of the production apparatus 2 to produce It can be seen that the error handling work of the apparatus 3 requires an average of 22 [min]. Here, in the fields such as “working time 1” and “working time 2”, information reported from each worker may be stored. Further, based on the position information history of each worker stored in the worker position DB 130, the time that each worker stayed in front of each production apparatus is calculated, and the calculated time is stored as the work time. May be. In the worker DB 132, the time required for error handling work may be stored for each type of error in each production apparatus.

  Returning to FIG. 4, the allocation unit 114 determines whether an error occurs in another production apparatus when an error occurs in one of the production apparatuses, and what kind of error occurs if it occurs. Estimate based on table 132. Further, the assigning unit 114 determines which worker is assigned to the error handling work of the production apparatus in which the error has occurred, based on the estimation result of the error occurring in another production apparatus and the worker DB 132. FIG. 6B shows an example of the data structure of the error occurrence probability table 132. As shown in FIG. 6B, the error occurrence probability table 132 has fields of “production device”, “error probability x”, and “error-free probability (1-x)”, and “error name”. It has a predetermined number of “occurrence probability” fields. According to FIG. 6B, in the production apparatus 1, the probability of occurrence of an error is xa, of which the probability of occurrence of error α is Pα, the probability of occurrence of error β is Pβ, and error γ occurs. It is defined that the probability is Pγ and the probability that no error occurs is 1-xa. Each probability may be input in advance by an administrator or the like, or may be changed based on the actual error rate transition. Details of the processing of the assigning unit 114 will be described later.

  The transmission unit 116 acquires information on the worker assigned to the error handling work by the assignment unit 114, and transmits (outputs) the information to the in-factory system 60 (instruction terminal 30).

(About processing of server 70)
Next, the processing of the server 70 will be described along the flowchart of FIG. 7 with reference to other drawings as appropriate.

  In the process of FIG. 7, first, in step S <b> 10, the receiving unit 110 waits until error information of the production apparatus is transmitted from the transmission / reception apparatus 40 of the in-factory system 60. When the error information of the production apparatus is transmitted, the process proceeds to step S12, and the receiving unit 110 acquires the error information. The receiving unit 110 can identify the position of the production apparatus where the error has occurred and the type of error based on the error information.

  Next, in step S14, the specifying unit 112 specifies a worker who can take charge of the error handling work of the production apparatus in which the error has occurred. In this case, the identification unit 112 identifies the worker currently present in the factory from the worker position DB 130, refers to the worker DB 132 in FIG. 6A, and among the identified workers, The worker whose identification information of the production device in which the error has occurred is specified in the field “device in charge”.

  Next, in step S <b> 16, the assigning unit 114 reads the current position information of the worker specified in step S <b> 14 from the worker position DB 130. At this time, the assigning unit 114 calculates a distance (path) L [m] between each worker and the production apparatus in which the error has occurred. When calculating the route, the shortest route between the worker and the production apparatus in which the error has occurred may be calculated based on the layout information in the factory (path information or the like).

  Next, in step S18, the assigning unit 114 reads the worker data specified in step S14 from the worker DB 132 or the worker position DB 130. Here, the assigning unit 114 calculates the walking speed a [min] when each worker heads to the production apparatus in which the error has occurred, and the work time b [min] required for the error handling work of the production apparatus in which the error has occurred. From the user DB 162. In addition, the assigning unit 114 acquires a time c [min] until the worker can start moving to the production apparatus in which the error has occurred. Specifically, the allocating unit 114 identifies the worker who is currently working based on the current error occurrence status and the worker position information obtained from the worker position DB 130, and the worker is in one place. And the work time stored in the worker DB 132 (the time estimated to be required for the work) is acquired. Then, the allocating unit 114 calculates how much time is required for the work currently performed by the worker based on the acquired time, and sets it as time c [min]. When the worker is not currently working, c = 0 [min]. The time required from the start of work to the end of work is the time required to start moving to the production apparatus in which an error has occurred (c [min]), the time required for moving (L / a [min]), This is the total time of each worker's work time (b [min]).

  Next, in step S <b> 20, the assigning unit 114 estimates an error of another production apparatus based on the error occurrence probability table 134. In this case, based on the error occurrence probability table 132 shown in FIG. 6B, a simulation is performed in which various errors occur in each production apparatus on the production line with predetermined probabilities. Then, the production apparatus (second production apparatus) that is estimated to have an error during the error handling operation of the production apparatus in which the error actually occurred and the type of error that is estimated to occur in the production apparatus are specified. . In the following, for the sake of simplicity, it is assumed that the number of production apparatuses estimated to cause errors is one.

  Next, in step S22, the assigning unit 114 executes a process of assigning an operator to the production apparatus in which the error has occurred. In this case, the error handling operation of the production device (second production device) in which the error handling operation of the production device (first production device) in which the error has occurred is caused to be executed by any worker and the occurrence of the error is estimated by simulation. It is determined to which worker can execute the production the earliest production completion time. Specifically, the assigning unit 114, for all workers identified in step S14, is the total M of the time c [min] until the start of movement, the movement time L / a [min], and the work time b [min]. [min] is obtained. In addition, the assigning unit 114 identifies workers who can perform the error handling work of the production apparatus that is estimated to cause an error by the simulation in step S20, and similarly for all the identified workers until the start of movement. The total M ′ [min] of the time c [min], the movement time L / a [min], and the work time b [min] is obtained. Then, the assigning unit 114 specifies a combination of workers based on the times M and M ′ of each worker. For example, the assigning unit 114 identifies the worker having the shortest time M and the worker having the shortest time M ′, and employs the combination of the identified workers if the identified workers do not overlap. Further, when the identified workers overlap, a combination in which the maximum values of the times M and M ′ are as small as possible is identified and adopted so that the identified workers do not overlap.

  Note that, even when there are two or more production apparatuses that are estimated to cause an error, the assignment unit 114 identifies the workers that can be assigned to each production apparatus, as described above. What is necessary is just to obtain | require time M 'until an operator completes the error handling operation | work of each production apparatus, respectively. Then, the worker assigned to the error handling work of the production apparatus in which the error has occurred is specified so that the workers do not overlap and the maximum values of the time M and M ′ until the work is completed are as small as possible. That's fine.

  Next, in step S24, the assignment unit 114 calculates a production completion time. In this case, the production completion time is obtained by adding the maximum values of the times M and M ′ obtained in step S22 to the production completion scheduled time.

  Next, in step S26, the assigning unit 114 determines whether or not the production completion time is within a predetermined range. If the determination in step S26 is negative, the process returns to step S20, and the processes in steps S20 to S26 are repeated. In this case, since the simulation result is different every time, the production completion time may fall within a predetermined range by repeating steps S20 to S26. However, if the determination in step S26 is not affirmed even if steps S20 to S26 are repeated a predetermined number of times, the transmission unit 116 may transmit to the instruction terminal 30 that the work assigned to the error handling work is not determined.

  On the other hand, if the determination in step S26 is affirmative, the process proceeds to step S28, and the transmission unit 116 outputs (transmits) the work instruction to the instruction terminal 30. As a result, it is possible to give a work instruction to a worker who is appropriate for performing the error handling work of the production apparatus in which the error has occurred.

  As is apparent from the above description, the worker who executes the error handling work of the production apparatus in which an error has occurred is determined from among a plurality of workers, including the assignment unit 114 and the transmission unit 116 of the present embodiment. Thus, a function as an output unit for output is realized.

  As described above in detail, according to the present embodiment, when the receiving unit 110 receives error information from a production apparatus in which an error has occurred (S12), the specifying unit 112 responds to an error in the production apparatus in which an error has occurred. The worker who can perform the work is specified (S14), and the allocating unit 114 determines the time required to move to the production apparatus where the error has occurred and the error handling work. Get the time it takes. Then, the assigning unit 114 determines a worker who performs the error handling work of the production apparatus in which the error has occurred based on the acquisition result, and transmits the worker information determined by the transmitting unit 116 to the instruction terminal 30. As described above, in the present embodiment, among the workers capable of error handling work, considering the time required for movement and the time required for work, an appropriate worker (the time to completion of the error handling work is shortened). Can be assigned to error handling work and notified in the factory. As a result, it is possible to shorten the time until all of the production plan is completed.

  In the present embodiment, the assigning unit 114 further determines the worker assigned to the error handling work in consideration of the time until each of the plurality of workers specified by the specifying unit 112 starts moving. Therefore, it is possible to assign an appropriate worker who has a short time to error handling work.

  In the present embodiment, the assigning unit 114 assumes that an error occurs in another production apparatus with the probability stored in the error occurrence probability table 132 while the error handling operation of the production apparatus in which the error has occurred is performed. Then, based on the probability, the production apparatus in which the error occurs is simulated (S20), and the worker who performs the error handling work of the production apparatus assumed to cause the error and the error of the production apparatus in which the error actually occurs The worker who performs the corresponding work is determined (S22). Accordingly, it is possible to assign an appropriate worker to the production apparatus in which the error has occurred in consideration of the probability that an error will occur in the production apparatus in which no error has actually occurred.

  Further, in the present embodiment, the assigning unit 114 identifies workers that can be assigned to the production apparatus that is estimated to generate an error, the time required for each identified worker to move to the production apparatus, and the error Based on the time required for the handling work, a worker who performs the error handling work of the estimated production apparatus and a worker who executes the error handling work of the production apparatus in which the error has occurred are determined. Accordingly, it is possible to assign an appropriate worker to the error handling work so that the time until the completion of the entire production plan can be shortened in consideration of the simulation result.

  In the present embodiment, the assignment unit 114 determines whether or not the production completion time is within a predetermined range when the worker to be assigned to the error handling work of the production apparatus is determined, and works until the production completion time falls within the predetermined range. Repeat the decision process. As a result, an appropriate worker can be assigned to the error handling operation so that the production completion time is within an appropriate range.

  In the above embodiment, the assigning unit 114 uses the error occurrence probability table 132 in step S20 to simulate whether or not an error has occurred in a production apparatus in which no error has actually occurred, and considers the simulation result. The case where the worker assigned to the error handling work is determined has been described. However, the present invention is not limited to this, and the process of step S20 may not be performed. That is, it is possible to determine the worker to be assigned to the error handling work in consideration of only the production apparatus in which an error has actually occurred without performing the simulation of the production apparatus in which no error has actually occurred.

  In addition, although the said embodiment demonstrated the case where the server 70 exists outside a factory, it is not restricted to this, The server 70 may be provided in a factory (inside the factory system 60).

  The above processing functions can be realized by a computer. In that case, a program describing the processing contents of the functions that the processing apparatus should have is provided. By executing the program on a computer, the above processing functions are realized on the computer. The program describing the processing contents can be recorded on a computer-readable recording medium (except for a carrier wave).

  When the program is distributed, for example, it is sold in the form of a portable recording medium such as a DVD (Digital Versatile Disc) or a CD-ROM (Compact Disc Read Only Memory) on which the program is recorded. It is also possible to store the program in a storage device of a server computer and transfer the program from the server computer to another computer via a network.

  The computer that executes the program stores, for example, the program recorded on the portable recording medium or the program transferred from the server computer in its own storage device. Then, the computer reads the program from its own storage device and executes processing according to the program. The computer can also read the program directly from the portable recording medium and execute processing according to the program. Further, each time the program is transferred from the server computer, the computer can sequentially execute processing according to the received program.

  The above-described embodiment is an example of a preferred embodiment of the present invention. However, the present invention is not limited to this, and various modifications can be made without departing from the scope of the present invention.

In addition, the following additional remarks are disclosed regarding description of the above embodiment.
(Supplementary Note 1) Among a plurality of production apparatuses, a receiving unit that receives information related to error occurrence from the first production apparatus in which an error has occurred;
A specifying unit for specifying an operator capable of executing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. An acquisition unit for acquiring time required for error handling work;
Based on the acquisition result of the acquisition unit, an output unit that determines and outputs a worker who performs the error handling work of the first production apparatus from the plurality of specified workers,
An operator assignment device comprising:
(Supplementary note 2) The worker according to supplementary note 1, wherein the acquisition unit further acquires time until each of the identified plurality of workers can start moving to the first production apparatus. Allocation device.
(Supplementary Note 3) The output unit
Assuming that an error occurs in another production apparatus with a predetermined probability while the error handling operation of the first production apparatus is performed, a second production apparatus in which an error occurs is determined based on the probability. Identify,
The worker who performs the error handling work of the second production device and the worker who executes the error handling work of the first production device are determined based on the acquisition result of the acquisition unit. The worker assignment apparatus according to Supplementary Note 1 or 2,
(Supplementary Note 4) The output unit
A plurality of workers capable of executing the error handling work of the second production device are identified, and the time required for each of the identified workers to move to the second production device is identified. The plurality of workers acquire the time required for the error handling work of the second production apparatus, and based on the obtained result and the acquisition result of the obtaining unit, the error handling work of the second production apparatus And a worker who executes an error handling work of the first production device,
The worker assignment device according to Supplementary Note 3, wherein:
(Additional remark 5) The said output part determines the operator who performs the error handling operation | work of a said 1st production apparatus so that the production completion time by these production apparatuses may be settled in the predetermined range. The worker assignment device according to any one of appendices 1 to 4.
(Additional remark 6) The information regarding error generation is received from the 1st production apparatus in which the error generate | occur | produced among several production apparatuses,
Identifying an operator capable of performing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. And the time required for error handling work,
The computer executes a process of determining and outputting an operator who performs the error handling work of the first production apparatus from the plurality of identified workers based on the acquisition result of the process to be acquired. A worker assignment method characterized by the above.
(Supplementary note 7) The worker assignment method according to supplementary note 6, wherein in the process to obtain, the time until each of the identified plurality of workers can start moving to the first production apparatus is further obtained.
(Supplementary Note 8) In the process of determining and outputting,
Assuming that an error occurs in another production apparatus with a predetermined probability while the error handling operation of the first production apparatus is performed, a second production apparatus in which an error occurs is determined based on the probability. Identify,
Determining an operator who executes the error handling work of the second production apparatus and an operator who executes the error handling work of the first production apparatus based on the acquisition result of the acquisition process. The worker assignment method according to appendix 6 or 7, which is a feature.
(Supplementary Note 9) In the process of determining and outputting,
A plurality of workers capable of executing the error handling work of the second production device are identified, and the time required for each of the identified workers to move to the second production device is identified. The plurality of workers acquire the time required for the error handling work of the second production apparatus, and based on the acquired result and the acquisition result of the acquired process, the error handling of the second production apparatus Determining a worker who performs the work and a worker who performs the error handling work of the first production device;
The worker assigning method according to appendix 8, characterized in that:
(Additional remark 10) In the process to determine and output, the worker who performs the error handling work of the first production device is determined so that the production completion time by the plurality of production devices falls within a predetermined range. The worker assignment method according to any one of supplementary notes 6 to 9, characterized in that:
(Additional remark 11) The information regarding error occurrence is received from the 1st production device in which an error occurred among a plurality of production devices,
Identifying an operator capable of performing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. And the time required for error handling work,
In order to cause a computer to execute a process of determining and outputting a worker who executes an error handling work of the first production apparatus from among the plurality of identified workers based on an acquisition result of the process to be acquired Worker assignment program.

70 server (worker assignment device)
110 reception unit 112 identification unit 114 allocation unit (acquisition unit, part of output unit)
116 Transmission unit (part of output unit)

Claims (7)

A receiving unit that receives information related to the occurrence of an error from the first production device in which an error has occurred among the plurality of production devices;
A specifying unit for specifying an operator capable of executing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. An acquisition unit for acquiring time required for error handling work;
Based on the acquisition result of the acquisition unit, an output unit that determines and outputs a worker who performs the error handling work of the first production apparatus from the plurality of specified workers,
An operator assignment device comprising:   2. The worker assignment apparatus according to claim 1, wherein the acquisition unit further acquires a time until each of the identified plurality of workers can start moving to the first production apparatus. The output unit is
Assuming that an error occurs in another production apparatus with a predetermined probability while the error handling operation of the first production apparatus is performed, a second production apparatus in which an error occurs is determined based on the probability. Identify,
The worker who performs the error handling work of the second production device and the worker who executes the error handling work of the first production device are determined based on the acquisition result of the acquisition unit. The worker assignment device according to claim 1 or 2. The output unit is
A plurality of workers capable of executing the error handling work of the second production device are identified, and the time required for each of the identified workers to move to the second production device is identified. The plurality of workers acquire the time required for the error handling work of the second production apparatus, and based on the obtained result and the acquisition result of the obtaining unit, the error handling work of the second production apparatus And a worker who executes an error handling work of the first production device,
The worker assignment device according to claim 3, wherein   The output unit determines an operator who performs an error handling operation of the first production device so that production completion times by the plurality of production devices are within a predetermined range. The worker assignment device according to any one of claims 1 to 4. Receiving information related to the occurrence of an error from the first production device in which an error has occurred among a plurality of production devices;
Identifying an operator capable of performing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. And the time required for error handling work,
The computer executes a process of determining and outputting an operator who performs the error handling work of the first production apparatus from the plurality of identified workers based on the acquisition result of the process to be acquired. A worker assignment method characterized by the above. Receiving information related to the occurrence of an error from the first production apparatus in which an error has occurred,
Identifying an operator capable of performing the error handling work of the first production device;
When there are a plurality of identified workers, the time required for each of the identified workers to move to the first production device, and each of the identified workers is the first production device. And the time required for error handling work,
In order to cause a computer to execute a process of determining and outputting a worker who executes an error handling work of the first production apparatus from among the plurality of identified workers based on an acquisition result of the process to be acquired Worker assignment program.

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