Work management system, work management method, work management device, and program

Abstract

To quickly confirm work contents of a worker and a work plan.SOLUTION: According to an embodiment of this disclosure, a work management system includes a storage unit for storing work plan information showing a work plan for an object element in a management object device for each worker or each work of the worker, a reception unit for receiving work completion notice from a terminal device on the basis of operation of the worker, an acquisition unit for acquiring device information of the object element related to the work in the management object device in response to the reception of the work completion notice by the reception unit, and a management unit for managing the work of the worker on the basis of the device information acquired by the acquisition unit and the work plan information stored in the storage unit.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a work management system, a work management method, a work management device, and a program. [Background technology]

[0002] Conventionally, systems are known that support confirmation of whether or not updating work on equipment included in a plant such as a thermal power plant has been performed as planned. For example, the maintenance support system described in Patent Document 1 is a system that supports maintenance and updating work on a process control system in a plant. The maintenance support system compares specification information related to the configuration and settings of the system with actual information extracted from the system and displays the comparison results, thereby reducing the effort required to determine whether or not the system is configured according to specifications. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2014-48901 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, the maintenance support system described in Patent Document 1 compares specification information with actual information, but cannot immediately confirm whether the work results actually performed by the worker match the work plan. Also, if the worker is required to manually input the work results, the input work is time-consuming, and there is a possibility that the input information and the information extracted from the on-site device will differ due to input errors.

[0005] The present disclosure has been made in consideration of the above circumstances, and aims to provide a work management system, a work management method, a work management device, and a program that can quickly confirm the work content and work plan of workers. [Means for solving the problem]

[0006] The present disclosure has been made to solve the above-mentioned problems, and one aspect of the present disclosure is a work management system comprising: a memory unit that stores work plan information indicating a work plan for target elements in a managed device for each worker or for each task of the worker; a reception unit that receives a work completion notification from a terminal device based on an operation of the worker; an acquisition unit that acquires device information of the target elements related to the work among the managed device in response to receipt of the work completion notification by the reception unit; and a management unit that manages the work of the worker based on the device information acquired by the acquisition unit and the work plan information stored in the memory unit.

[0007] Another aspect of the present disclosure is a work management method including a step of a work management device storing work plan information for target elements in a managed device for each worker or for each task of the worker, a step of a terminal device sending a work completion notification to the work management device based on an operation to the worker, a step of the managed device sending device information of the target elements among the managed devices that are related to the task in response to the work management device receiving the work completion notification, and a step of the work management device managing the work of the worker based on the acquired device information and the work plan information.

[0008] Another aspect of the present disclosure is a work management device including a reception unit that receives a work completion notification from a terminal device based on an operation by a worker, an acquisition unit that acquires device information of target elements related to the work among managed devices in response to the reception unit receiving the work completion notification, and a management unit that manages the work of the worker based on the device information acquired by the acquisition unit and work plan information that indicates a work plan for target elements in the managed device for each worker or for each task of the worker.

[0009] Another aspect of the present disclosure is a program that causes a computer to implement a function of receiving a work completion notification from a terminal device based on an operation by a worker, a function of acquiring device information of target elements related to the work among managed devices in response to receiving the work completion notification, and a function of managing the work of the worker based on the acquired device information and work plan information that indicates a work plan for the target elements in the managed device for each worker or for each task of the worker. Effect of the Invention

[0010] According to one aspect of the present invention, the work content of the worker and the work plan can be quickly confirmed. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a block diagram showing an example of a work management system according to a first embodiment. [Diagram 2] FIG. 4 is a diagram illustrating an example of device information according to the first embodiment. [Diagram 3] FIG. 4 is a diagram illustrating an example of work plan information according to the first embodiment. [Figure 4] FIG. 4 is a sequence diagram showing an operation procedure of the work management system in the first embodiment. [Diagram 5] FIG. 4 is a diagram illustrating another example of the work management system in the first embodiment. [Figure 6] FIG. 11 is a sequence diagram showing another operation procedure of the work management system in the first embodiment. [Figure 7] FIG. 4 is a diagram illustrating another example of the work management system in the first embodiment. [Figure 8] FIG. 11 illustrates an example of processing of device information in the work management system according to the second embodiment; [Figure 9] FIG. 13 is a diagram showing an example of a change history confirmation screen displayed on an operation terminal device in the operation management system according to the third embodiment; [Figure 10]FIG. 13 is a diagram showing an example of an overview display screen of the entire construction work displayed on a work terminal device in the work management system according to the third embodiment; [Figure 11] FIG. 13 is a block diagram showing a work management system according to a fourth embodiment. [Figure 12] FIG. 13 is a sequence diagram showing the operation of a work management system in a fourth embodiment. [Figure 13] FIG. 13 is a block diagram showing a work management system according to a fifth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Hereinafter, a work management system, a work management method, a work management device, and a program to which the present invention is applied will be described with reference to the drawings.

[0013] FIG. 1 is a block diagram showing an example of a work management system 1 in the first embodiment. The work management system 1 includes, for example, a work management device 100, a work terminal device 200, and a managed system 300. The managed system 300 includes a plurality of managed devices (310, 320, 330, and 340). The managed devices are devices on which workers perform work, and the work performed by the workers is managed by the work management device 100. The work management device 100 and the plurality of managed devices are connected by a communication network NW1 such as Ethernet. The work terminal device 200 is connected to the communication network NW1 via a communication network NW3 such as a wireless LAN and a wireless communication unit 350. The wireless communication unit 350 is a communication device such as a wireless router. The plurality of managed devices are connected to the communication network NW2. The work management device 100, the work terminal device 200, and the plurality of managed devices each have a communication interface (not shown) such as a NIC (Network Interface Card) or a wireless communication module for connecting to the respective communication networks. The networks may include general-purpose networks, such as the Internet, and private networks, such as local 5G or WiFi.

[0014] The work management apparatus 100 is, for example, an information processing apparatus. The work management apparatus 100 includes, for example, a reception unit 102, an acquisition unit 104, and a management unit 106. The reception unit 102, the acquisition unit 104, and the management unit 106 are realized by a processor such as a CPU (Central Processing Unit) executing a program stored in a program memory. The work management apparatus 100 is connected to a device information storage unit 110 and a work plan information storage unit 120. The device information storage unit 110 and the work plan information storage unit 120 are, for example, information storage devices such as HDD, flash memory, and RAM (Random Access Memory), and may be NAS (Network Attached Storage) devices that the work management apparatus 100 can access via a communication network.

[0015] The reception unit 102 receives a work completion notification from the work terminal device 200 based on an operation by the worker. The acquisition unit 104 acquires device information of target elements related to the work among the managed devices in response to the reception unit 102 receiving the work completion notification. The management unit 106 manages the work of the worker based on the device information acquired by the acquisition unit 104 and the work plan information stored in the work plan information storage unit 120. The device information storage unit 110 stores the device information acquired by the acquisition unit 104. The device information is information indicating the configuration of the managed device. The work plan information storage unit 120 stores the work plan information. The work plan information is information indicating a work plan for target elements in the managed device for each worker or for each task of the worker.

[0016] The work terminal device 200 is an information processing device such as a smartphone or tablet operated by a worker. The work terminal device 200 includes, for example, an operation unit 202, a processing unit 204, and a display unit 206. The operation unit 202 is, for example, a touch panel mechanism that accepts operations by the worker. The processing unit 204 is, for example, a processor such as a CPU. The display unit 206 is, for example, a liquid crystal display device.

[0017] The managed system 300 is, for example, a system in which maintenance and other work is performed by workers at a power plant or the like. The managed system 300 includes a plurality of managed devices connected to a communication network NW2. Each of the managed devices includes one or more target elements. The target element is a part that is the target of work, and is, for example, one or more card-like devices (C) and software (S).

[0018] The multiple managed devices in the embodiment are, for example, computers 310, 320 and control devices 330, 340. The computers 310, 320 perform various calculations in the managed system 300 by operating devices and software, and communicate with the work management device 100 via the communication network NW1. The control devices 330, 340 include, for example, one or more card-shaped devices (C) and software (S). The control devices 330, 340 control various devices included in the managed system 300 by operating devices and software, and communicate with the computers 310, 320 via the communication network NW2.

[0019] The computer 310 includes an information collection unit 312. The information collection unit 312 collects device information from managed devices in the managed system 300. The information collection unit 312 transmits the collected device information to the work management apparatus 100 via the communication network NW1. Note that, although the information collection unit 312 collects device information in the work management system 1 of Fig. 1, this is not limiting, and the work management apparatus 100 may collect device information from the managed devices, or the work terminal apparatus 200 may collect device information.

[0020] FIG. 2 is a diagram illustrating an example of device information according to the first embodiment. The device information of the work management system 1 includes, for example, device information corresponding to the computer 310, device information corresponding to the computer 320, device information corresponding to the control device 330, and device information corresponding to the control device 340. The device information of the control device 340 includes, for example, device information corresponding to the card 1 (C1), device information corresponding to the card 2 (C2), device information corresponding to the card 3 (C3), device information corresponding to the card 4 (C4), device information corresponding to the software 1 (S1), and device information corresponding to the software 2 (S2). The device information corresponding to the card is, for example, information that identifies the card, such as the model number and version of the card. The device information corresponding to the software is information that identifies the software, such as the version.

[0021] FIG. 3 is a diagram illustrating an example of work plan information according to the first embodiment. The work plan information includes, for example, a work ID, work date and time information, target device information, target element information, work content information, and comparison result information. The work content information is information indicating the work content, such as adding, updating, or replacing a card or software. The comparison result information is information indicating the result of comparing the device information with the work plan information. Note that the work plan information does not need to include the comparison result information, and the comparison result information may be stored separately from the work plan information.

[0022] FIG. 4 is a sequence diagram showing an operation procedure of the work management system 1 in the first embodiment. First, the work management apparatus 100 acquires work plan information S10 from the work plan information storage unit 120, and transmits the work plan information S12 to the managed system 300. The display unit 206 displays the work plan using the work plan information S12. The worker performs work on the managed system 300, and the operation unit 202 accepts an operation in response to the completion of the work (step ST10). The processing unit 204 transmits a work completion notification S14 to the work management apparatus 100 in response to the operation being accepted by the operation unit 202.

[0023] The acquisition unit 104 transmits a collection instruction S16 to the information collection unit 312 in response to the reception unit 102 receiving the work completion notification S14. The acquisition unit 104 may perform authentication based on the worker ID received together with the work completion notification S14, and collect device information if the authentication is permitted. The information collection unit 312 collects device information of its own managed device and device information S18 of other managed devices, and transmits the collected device information S20 to the work management device 100. The acquisition unit 104 acquires the device information S20, and stores the acquired device information S22 in the device information storage unit 110. This allows the acquisition unit 104 to collect device information from the managed devices in accordance with the instruction based on the reception unit 102 receiving the work completion notification S14.

[0024] The management unit 106 manages the work of the worker based on the device information S20 acquired by the acquisition unit 104 and the work plan information S24 stored in the work plan information storage unit 120. At this time, the management unit 106 compares the device information S20 with the work plan information S24 (step ST12) and transmits the comparison result S26 to the work terminal device 200. The display unit 206 performs display using the comparison result S26 (step ST14). This allows the worker to check whether the work he or she performed was performed in accordance with the work plan.

[0025] As described above, the work management system 1 of the first embodiment receives a work completion notification from the work terminal device 200 based on the operation of the worker, acquires device information of the target elements related to the work among the managed devices in response to the receipt of the work completion notification, and manages the work of the worker based on the acquired device information and work plan information. This work management system 1 makes it possible to quickly check the work content and work plan of the worker. As a result, the work management system 1 makes it possible to instantly match the work plan and work results while remaining at the site using the work terminal device 200.

[0026] FIG. 5 is a diagram showing another example of the work management system 1 in the first embodiment. The managed device may transmit device information using cyclic communication, and the acquisition unit 104 may acquire the device information transmitted using cyclic communication. The control device 330 performs cyclic transmission, transmitting device information via the communication network NW2 using cyclic communication. The cyclic communication signal transmitted by cyclic communication includes, for example, address information of the transmission source device, and device information that is a value indicating the model number and version of each of the device (D) and software (S) included in the control device 330. The model number and version represent, for example, card information of the control device. The information collection unit 312 performs cyclic reception to receive the cyclic communication signal, and transmits the cyclic communication signal to the work management device 100 side. The acquisition unit 104 acquires the device information transmitted using cyclic communication.

[0027] The work management system 1 of the embodiment may include a one-way communication unit 360. The one-way communication unit 360 is a communication unit that allows communication between the managed system 300 and the work management apparatus 100 to be only one-way, from the managed system 300 to the work management apparatus 100. In other words, the one-way communication unit 360 transmits a cyclic communication signal transmitted from the computer 310 to the work management apparatus 100, but does not transmit a signal transmitted from the work management apparatus 100 to the computer 310. The acquisition unit 104 acquires device information transmitted from the managed device using one-way communication.

[0028] FIG. 6 is a sequence diagram showing another operation procedure of the work management system 1 in the first embodiment. The managed device transmits a cyclic communication signal S30 at each period set by the communication method, and the information collection unit 312 receives the cyclic communication signal S30. When the worker performs the work, the device information included in the cyclic communication signal becomes information indicating a value reflecting the work result. When the timing for transmitting the cyclic communication signal arrives after the work, the managed device transmits the cyclic communication signal S30 including the device information to the information collection unit 312. The information collection unit 312 detects that the device information has been updated (step ST20), and transmits the device information S20 to the work management device 100. When the information collection unit 312 does not detect that the device information has been updated, it does not transmit the device information to the work management device 100. The device information S20 is acquired by the acquisition unit 104, and the acquisition unit 104 stores the device information S22 in the device information storage unit 110.

[0029] The worker performs work on the managed system 300, and the operation unit 202 accepts the operation in response to the completion of the work (step ST22). The processing unit 204 transmits a work completion notification S14 to the work management apparatus 100 in response to the operation being accepted by the operation unit 202. The acquisition unit 104 acquires work plan information S24 from the work plan information storage unit 120 and acquires device information S26 from the device information storage unit 110 in response to the acceptance of the work completion notification S14 by the acceptance unit 102.

[0030] The management unit 106 compares the acquired device information S26 with the work plan information S24 (step ST22) and transmits the comparison result S28 to the work terminal device 200. The display unit 206 performs display using the comparison result S28 (step ST14). This allows the worker to confirm whether the work he or she performed was performed in accordance with the work plan.

[0031] In some cases, the security of the managed system 300 is important, and the managed system 300 is isolated by a one-way communication unit 360. In this case, the work management device 100 cannot inquire about device information from the information collection unit 312, as in the work management system 1 shown in Fig. 1. In response to this, the work management system 1 can transmit device information to the work management device 100 using cyclic communication, and transmit only updates to the device information to the work management device 100.

[0032] FIG. 7 is a diagram showing another example of the work management system 1 in the first embodiment. The management unit 106 stores identification information corresponding to elements included in the managed device, and the managed device may transmit identification information of a target element related to work among the managed device as device information. The cyclic communication signal includes, for example, address information of the sending device and an ID as identification information. The ID is stored in an ID-device information correspondence table. The ID-device information correspondence table is, for example, data that associates an ID with device information. The ID-device information correspondence table is stored in the conversion unit 108.

[0033] The control device 330 transmits a cyclic communication signal. In response to detecting that the ID included in the cyclic communication signal has been updated, the information collection unit 312 transmits the ID to the work management device 100. The conversion unit 108 refers to the ID-device information correspondence table and converts the ID transmitted from the information collection unit 312 into device information. The management unit 106 can compare the converted device information with the work plan information and transmit the comparison result to the work terminal device 200.

[0034] Since the capacity of cyclic communication is fixed and limited, it may be inefficient to transmit device information such as model numbers and versions through cyclic communication. In contrast, the work management system 1 in Fig. 7 transmits IDs through cyclic communication and converts the IDs into device information by the conversion unit 108, thereby reducing the amount of communication through cyclic communication.

[0035] FIG. 8 is a diagram illustrating an example of device information processing in the work management system 1 according to the second embodiment. In the second embodiment, the acquisition unit 104 acquires validity period information related to target elements of the managed devices as device information, and the management unit 106 manages the work of workers based on the validity period information acquired by the acquisition unit 104 and the work plan information stored in the work plan information storage unit 120.

[0036] As shown in Fig. 8(a), the work management system 1 of the first embodiment stores device information in which device IDs, element IDs, date and time information, and values ​​are associated with each other in the order acquired by the acquisition unit 104. In contrast, the work management system 1 of the second embodiment stores valid period information as shown in Fig. 8(b). The valid period information is information including, for example, start date and time information and end date and time information.

[0037] The acquisition unit 104 stores the acquired device information in the device information storage unit 110 in chronological order as shown in FIG. 8(a). The management unit 106 refers to the date and time information of the device information with the device ID of "control device 2", the card ID of "card 3", and the value of "model number NNN, version 2", and recognizes that it was collected on 2022 / 3 / 20 9:12:34, and refers to the date and time information of the device information with the device ID of "control device 2", the card ID of "card 3", and the value of "model number NNN, version 3", and recognizes that it was collected on 2022 / 3 / 23 10:34:56. In response to this, the management unit 106 can store the start date and time information and the end date and time information of the device ID of "control device 2", the card ID of "card 3", and the value of "model number NNN, version 2" as shown in FIG. 8(b).

[0038] As a result, the work management device 100 can convert multiple pieces of device information into one piece of device information by storing the validity period information, even if the work management device 100 periodically collects device information by cyclic communication, and collects device information instantly in response to a work completion notification. As a result, the work management system 1 can reduce the storage capacity of the device information storage unit 110.

[0039] FIG. 9 is a diagram showing an example of a change history confirmation screen displayed on the work terminal device 200 in the work management system 1 of the third embodiment, and FIG. 10 is a diagram showing an example of an overview display screen of the entire construction work displayed on the work terminal device 200 in the work management system 1 of the third embodiment.

[0040] In the third embodiment, the work terminal device 200 includes a display unit 206 that displays the work plan information stored in the work plan information storage unit 120, the device information acquired by the acquisition unit 104, and the comparison result in association with each other. The operation unit 202 requests information from the work management device 100 in response to an operation by a worker, and the processing unit 204 acquires the work plan information and device information in response to the request. The work terminal device 200 may request information together with a work completion notification, or may request information in response to a part of the configuration of the managed system 300 being selected as shown in FIG. 9.

[0041] The display unit 206 displays the configuration information, work plan information, and device information of the managed system 300 as shown in FIG. 9 based on the acquired work plan information and device information. Since the elements of the managed system 300 increase or decrease in the configuration information of the managed system 300, it may be possible to specify when the configuration information is to be displayed. The display unit 206 displays, for example, the latest device information among the device information including the value included in the work plan information in correspondence with the work plan information. In addition, the work management device 100 transmits the comparison result information to the work terminal device 200, and the display unit 206 displays the comparison result in correspondence with the work plan information and the device information. The comparison result is a result of the management unit 106 comparing the work plan information and the device information after the work terminal device 200 transmits a work completion notification to the work management device 100. The comparison result is displayed as "◯" when the work plan information and the device information match, and displayed as "×" when the work plan information and the device information do not match.

[0042] If there is no device information corresponding to the work plan information, the display unit 206 may display information such as “- ” in the device information to indicate that device information corresponding to the work plan information has not been obtained, and to indicate that the work plan information and the device information do not match.

[0043] The display unit 206 may display the work plan information, the device information, and the comparison result in association with each other as shown in FIG. 10. The work plan information shown in FIG. 10 includes, for example, construction name information and period information. This allows the worker to proceed with the work while checking the name of the construction he or she is in charge of and the work period. In addition, in response to receiving an operation to specify the construction name or period from the operation terminal device 200 via the operation unit 202, the work plan information including the construction name or period can be downloaded from the work management device 100 and displayed on the display unit 206. This allows the worker to check the change history of the work management system 1 due to the construction, and proceed with the work while getting an overview of the entire construction.

[0044] FIG. 11 is a block diagram showing a work management system 1A according to the fourth embodiment. The work terminal device 200A of the work management system 1A of the fourth embodiment includes a display unit 206 that displays daily report information including device information and work plan information related to the work of the worker in a period designated by the worker, and a creation unit 208 that creates the daily report information. The daily report information is information for reporting the work content of the worker in one day, and is, for example, information in which worker information, date information, work plan information, device information, and a comparison result are associated with each other.

[0045] FIG. 12 is a sequence diagram showing the operation of the work management system 1A in the fourth embodiment. For example, the operation unit 202 displays the comparison result, and then accepts an operation to create a daily report by specifying a date (step ST16). In response to accepting the operation to create a daily report, the processing unit 204 transmits a request S28 for information including the work plan information, the device information, and the comparison result to the work management device 100. The management unit 106 acquires device information S30 from the device information storage unit 110 and acquires work plan information S32 from the work plan information storage unit 120 based on the worker information corresponding to the work terminal device 200A and the date and time information at which the request was received. As a result, the management unit 106 transmits daily report information S34 in which the worker information, date information, work plan information, device information, and the comparison result are associated with each other to the work terminal device 200A. The display unit 206 uses the daily report information S34 to display the daily report, for example, using a form format stored in the work terminal device 200A (step ST18). The work terminal device 200A may output the daily report from a printer, or may transmit the daily report from the work terminal device 200A to an external device such as another terminal device.

[0046] According to the work management system 1A of the fourth embodiment, the information required for creating a daily report in response to a request from a worker is obtained from the device information storage unit 110 and the work plan information storage unit 120, and the daily report is created by the work terminal device 200A, thereby reducing the burden on the worker.

[0047] FIG. 13 is a block diagram showing a work management system 1B according to the fifth embodiment. The work management system 1B of the fifth embodiment includes an analytical terminal device 130 that displays information based on the discrepancy between the device information acquired by the acquisition unit 104 and the work plan information stored in the work plan information storage unit 120. The analytical terminal device 130 is, for example, an information processing device operated by an administrator of the managed system 300. The analytical terminal device 130 includes, for example, an acquisition unit 132, an analysis unit 134, and a display unit 136. The analytical terminal device 130 receives information specifying a worker, a construction, or a period based on, for example, an operation of the administrator. The acquisition unit 132 transmits a request including the received information to the work management device 100. The work management device 100 acquires device information from the device information storage unit 110 and acquires work plan information from the work plan information storage unit 120 based on the information specifying the worker, the construction, or the period, and transmits the acquired device information and work plan information to the analytical terminal device 130.

[0048] The acquisition unit 132 acquires the work plan information and the equipment information corresponding to the designated worker, construction, or period. The analysis unit 134 transmits display information based on the deviation between the equipment information and the work plan information acquired by the acquisition unit 132 to the work terminal device 200. At this time, the analysis unit 134 analyzes the validity of the work plan from the deviation between the equipment information and the work plan information. For example, the analysis unit 134 determines that the work plan is not valid when the deviation between the exchange time of the equipment information and the exchange time of the work plan is large. For example, the analysis unit 134 determines that the work plan is not valid when the deviation between the exchange time of the equipment information and the exchange time of the work plan is large. The analysis unit 134 may acquire a beacon signal detected by a beacon device (not shown) provided in the management target system 300, record the location information of the worker, and compare the worker's movement, the work plan, and the actual result (equipment information) to obtain the work waiting time and the movement time, and determine the validity of the work plan. The display unit 136 displays the validity determined by the analysis unit 134 .

[0049] According to the fifth embodiment of the work management system 1B, the analytical terminal device 130 is provided which performs display based on the discrepancy between the equipment information acquired by the acquisition unit 104 and the work plan information stored in the work plan information storage unit 120, and therefore the work efficiency of the workers can be improved by reviewing the work plan.

[0050] Although each embodiment and each variant have been described, these are merely examples and are not intended to be limiting. For example, any of the embodiments or variants, or a part of each embodiment or a part of each variant, may be combined with one or more other embodiments or one or more other variants to realize one aspect of the present invention. [Explanation of symbols]

[0051] 1, 1A, 1B...work management system, 100...work management device, 102...reception unit, 104...acquisition unit, 106...management unit, 108...conversion unit, 110...device information storage unit, 120...work plan information storage unit, 130...analysis terminal device, 132...acquisition unit, 134...analysis unit, 136...display unit, 200, 200A...work terminal device, 202...operation unit, 204...processing unit, 206...display unit, 208...creation unit, 300...managed system, 310, 320...computer, 312...information collection unit, 330, 340...control device, 360...one-way communication unit

Claims

1. a storage unit that stores work plan information indicating a work plan for a target element in a managed device for each worker or each task of the worker; a reception unit that receives a work completion notification from a terminal device based on an operation by the worker; an acquisition unit that acquires device information of the target element related to the work among the managed devices in response to the receipt of the work completion notification by the receipt unit; a management unit that manages work of the worker based on the device information acquired by the acquisition unit and the work plan information stored in the storage unit; A work management system comprising:

2. The work management system according to claim 1 , wherein the acquisition unit collects the device information from the managed devices in accordance with an instruction based on the work completion notification received by the reception unit.

3. The managed device transmits the device information using cyclic communication; The acquisition unit acquires the device information transmitted by using the cyclic communication. The work management system according to claim 1 .

4. the managed device performs one-way communication for communicating information in one direction from the managed device to an external device; the acquisition unit acquires the device information transmitted from the managed device by using the one-way communication. The work management system according to claim 3 .

5. the acquisition unit stores a correspondence table between identification information corresponding to elements included in the managed device and the device information; The managed device transmits, as the device information, identification information of the target element related to the work among the managed devices. The work management system according to claim 3 .

6. The acquisition unit acquires, as the device information, validity period information related to the target element of the managed device, The management unit manages the work of the worker based on the validity period information acquired by the acquisition unit and the work plan information stored in the storage unit. The work management system according to claim 1 .

7. The work management system according to claim 1, wherein the terminal device is provided with a display unit that displays the work plan information stored in the memory unit, the equipment information acquired by the acquisition unit, and a comparison result between the work plan information and the equipment information in association with each other.

8. The work management system according to claim 1 , further comprising a display unit that displays daily report information including the device information and the work plan information related to the work of the worker during a period designated by the worker.

9. The work management system according to claim 1 , further comprising an analytical terminal device that displays information based on a discrepancy between the device information acquired by the acquisition unit and the work plan information stored in the storage unit.

10. A step in which the work management device stores work plan information for a target element in the management target device for each worker or each work of the worker; A step in which a terminal device transmits a work completion notification based on an operation to the work management device to the worker; a step of, in response to the work management device receiving the work completion notification, the managed device transmitting device information of the target element related to the work among the managed devices to the work management device; The work management device manages the work of the worker based on the acquired device information and the work plan information; (c) a method for managing work;

11. a reception unit that receives a work completion notification from a terminal device based on an operation by a worker; an acquisition unit that acquires device information of a target element related to the work among the managed devices in response to the acceptance unit receiving the work completion notification; a management unit that manages the work of the worker based on the device information acquired by the acquisition unit and work plan information that indicates a work plan for a target element in the managed device for each worker or for each work of the worker; A work management device comprising:

12. On the computer, A function of receiving a work completion notification from a terminal device based on an operation by a worker; a function of acquiring device information of a target element related to the work among the managed devices in response to receiving the work completion notification; a function of managing the work of the worker based on the acquired device information and work plan information indicating a work plan for a target element in the managed device for each worker or for each work of the worker; A program that implements the above.

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