Work management methods, work management systems, and work management programs

Abstract

To provide a work management method for estimating a work type, a work management system, and a work management program.SOLUTION: In a work management system 1000, a work management device 200 for executing a work management method estimates a first work type of work to be performed by a work device 30 in a field 500 based on route information including specification information that indicates a movement route along which the work device 30 that moves autonomously moves in the field 500 and has information on a work width of the work device 30 to output work information indicating a first work type. Further, the work management device acquires correction information indicating that the first work type is corrected to the second work type to correct the estimated first work type to the second work type based on the acquired correction information.SELECTED DRAWING: Figure 1

Description

Technical Field

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

Background Art

[0002] In recent years, research has been conducted on using information related to work in the field for the analysis of cultivation management.

[0003] Patent Document 1 discloses a technique for receiving operation information from a work device used in work in the field and estimating the work type of the work performed in the field based on the received operation information.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] Since the technique described in Patent Document 1 estimates the work type based on the operation information when the work device performs work, the work type is estimated after the work is completed. Therefore, it is not possible to estimate the work type of the work being performed in the field in real time.

[0006] In view of the above situation, one of the objectives of the present disclosure is to estimate the work type performed by a work device. Other objectives can be understood from the following description and the explanation of the embodiments.

Means for Solving the Problems

[0007] The means for solving the problem are described below using the numbers and symbols used in the embodiments for carrying out the invention. These numbers and symbols are added in parentheses for reference to show an example of the correspondence between the claims and the embodiments for carrying out the invention. Therefore, the claims should not be interpreted restrictively because of the parenthetical statements.

[0008] A work management method according to one embodiment for achieving the above objective includes estimating a first type of work to be performed by a work device (30) in a field (500) based on route information representing the planned movement path (600, 650) of a work device (30) that moves autonomously in a field (500). The work management method also includes outputting work information representing the first type of work.

[0009] A work management system (1000) according to one embodiment for achieving the above objective comprises an estimation unit (250) and an output unit (260). The estimation unit (250) estimates a first type of work to be performed by the work device (30) in the field (500) based on route information representing the movement path (600, 650) that the autonomously moving work device (30) in the field (500) is scheduled to take. The output unit (260) outputs work information representing the first type of work.

[0010] A work management program (420) according to one embodiment for achieving the above objective causes the computing units (120, 220, 320) to estimate the first type of work to be performed by the autonomously moving work device (30) in the field (500), based on path information representing the movement path (600, 650) that the autonomously moving work device (30) is scheduled to take in the field (500). The work management program (420) also causes the computing units (120, 220, 320) to output work information representing the first type of work. [Effects of the Invention]

[0011] According to the above configuration, users can efficiently check the types of work registered in the work management device. [Brief explanation of the drawing]

[0012] [Figure 1] This is a schematic diagram of a work management system in one embodiment. [Figure 2] This diagram illustrates the movement path of a work device that performs tasks such as fertilization in one embodiment. [Figure 3] This diagram illustrates the movement path of a harvesting device in one embodiment. [Figure 4] This is a diagram showing the configuration of a control device in one embodiment. [Figure 5] This diagram shows a functional block that is executed by a work management system in one embodiment. [Figure 6] This diagram shows the configuration of a work management device in one embodiment. [Figure 7] This diagram shows the configuration of a terminal in one embodiment. [Figure 8] This is a flowchart illustrating the processing performed by the work management system in one embodiment. [Figure 9] This is a diagram showing the work information displayed by the terminal in one embodiment. [Modes for carrying out the invention]

[0013] (Embodiment 1) A work management system 1000 according to this embodiment of the present invention will be described with reference to the drawings. In this embodiment, as shown in Figure 1, the work management system 1000 includes a control device 100 for controlling a work device 30, a work management device 200, and a terminal 300. The control device 100 is communicatively connected to the work device 30. The work management device 200 is communicatively connected to the control device 100 and the terminal 300 via a network 20, for example, the Internet.

[0014] The control device 100 controls the working device 30 that performs operations in the farmland 500. For example, the control device 100 determines a movement route along which the working device 30 is scheduled to move in the farmland 500, and outputs information representing the determined movement route to the working device 30.

[0015] The working device 30 performs operations while autonomously moving within the farmland 500 along the movement route determined by the control device 100. For example, the working device 30 includes a tractor that pulls a working machine to perform operations. Also, the working device 30 may be a vehicle integrally formed with a working machine, such as a combine. Further, the working device 30 may be a drone that sprays agricultural chemicals.

[0016] Here, the movement route determined by the control device 100 differs according to the type of operation performed by the working device 30, for example, the operation type representing fertilization, tillage, pest control, harvesting, etc. For example, when the working device 30 performs fertilization, tillage, etc., as shown in FIG. 2, the movement route 600 has a plurality of linear straight routes 601 that move while performing operations in the farmland 500, and a plurality of turning routes 602 that connect adjacent straight routes 601. On the other hand, when the working device 30 performs harvesting, as shown in FIG. 3, the movement route 650 has a route that circulates along the contour of the farmland 500 so as to move away from the contour of the farmland 500 each time it makes one round.

[0017] Further, as shown in FIG. 2, the movement path 600 for fertilization and the movement path 600 for tillage are adjacent to each other and are two straight paths 601 that are parallel to each other. For example, in the first straight path 601-1 and the second straight path 601-2, the overlapping width 611 of the areas where the work is performed is different. For example, when the work device 30 moves along the first straight path 601-1, the work device 30 performs work on the first work area along the first straight path 601-1 having the width of the work width 610. Here, the work width 610 represents the length in the direction orthogonal to the traveling direction of the work device 30 in the area where the work device 30 moves and performs work. The overlapping width 611 represents, for example, the length in the direction orthogonal to the traveling direction of the work device 30 in the overlapping area between the first work area where the work device 30 moves and performs work along the first straight path 601-1 and the second work area where the work device 30 moves and performs work along the second straight path 601-2 adjacent to the first straight path 601-1.

[0018] Also, the distance between two adjacent straight paths 601 is different between the movement path 600 for fertilization and the movement path 600 for epidemic prevention, for example, pesticide spraying. For example, in the movement path 600 for epidemic prevention, the distance between two adjacent straight paths 601 is determined according to the length of the boom of the boom sprayer used when spraying pesticides. Here, the length of the boom is longer than the work width of the work machine used for other work types, for example, fertilization and tillage. Therefore, in the movement path 600 for epidemic prevention, the distance between two adjacent straight paths 601 is longer than that for other work types. Thus, as shown in FIG. 2, in the movement path 600 formed by the plurality of straight paths 601 and the plurality of turning paths 602, the overlapping width 611 and the work width 610 are different according to the information used to determine the movement path 600, for example, the work type.

[0019] Therefore, the work management device 200 acquires route information representing the movement path of the work device 30 from the control device 100, and estimates the type of work that the work device 30 will perform in the field 500 based on the acquired route information. The work information representing the estimated type of work is output to the terminal 300. Users, such as the work manager or the owner of the field 500, can check the work being performed by the work device 30 in real time based on the work information displayed on the terminal 300.

[0020] The work device 30 is equipped with a positioning device, such as a GNSS (Global Navigation Satellite System) receiver, and acquires position information representing the position of the work device 30 at each time it moves. The acquired position information is output to the control device 100 and used by the control device 100 to control the work device 30.

[0021] (Configuration of the work management system) As shown in Figure 1, the configuration of the control device 100 included in the work management system 1000 is described. As shown in Figure 4, the control device 100 comprises an input / output device 110, an arithmetic unit 120, a communication device 130, and a storage device 140. The control device 100 includes, for example, a computer, tablet, or mobile terminal. The input / output device 110 receives information for the arithmetic unit 120 to perform processing. The input / output device 110 also outputs the results of the processing performed by the arithmetic unit 120. The input / output device 110 includes various input and output devices, such as a keyboard, mouse, microphone, display, speaker, and touch panel.

[0022] The communication device 130 is directly connected to the work device 30 wirelessly, for example, via a wireless LAN (Local Area Network), and communicates with the work device 30. The communication device 130 transfers signals acquired from the work device 30 to the arithmetic unit 120. It also transfers signals generated by the arithmetic unit 120 to the work device 30.

[0023] Furthermore, the communication device 130 is electrically connected to the network 20 and communicates with each device via the network 20. The communication device 130 transfers signals acquired from the work management device 200 to the arithmetic unit 120. It also transfers signals generated by the arithmetic unit 120 to the work management device 200. The communication device 130 includes various interfaces such as transceivers used for wireless communication such as wireless LAN (Local Area Network) and cellular networks, NIC (Network Interface Card), and USB (Universal Serial Bus).

[0024] The storage device 140 stores various data for controlling the work device 30, such as the work device control program 400. The storage device 140 is used as a non-transitory tangible storage medium for storing the work device control program 400. The work device control program 400 may be provided as a computer program product recorded on a computer-readable storage medium 1, or as a computer program product downloadable from a server.

[0025] The arithmetic unit 120 reads and executes the work device control program 400 to realize the route determination unit 150, as shown in Figure 5. The route determination unit 150 determines the movement path that the work device 30 will take to perform its work within the field 500. The route information representing the determined movement path is output to the work device 30 and the work management device 200.

[0026] Next, the configuration of the work management device 200 shown in Figure 1 will be described. As shown in Figure 6, the work management device 200 includes an input / output device 210, an arithmetic unit 220, a communication device 230, and a storage device 240. The work management device 200 is, for example, a computer. Information for the arithmetic unit 220 to perform processing is input to the input / output device 210. The input / output device 210 also outputs the results of the processing performed by the arithmetic unit 220. The input / output device 210 includes various input and output devices, such as a keyboard, mouse, microphone, display, speaker, and touch panel. The input / output device 210 may be omitted.

[0027] The communication device 230 is electrically connected to the network 20 and communicates with each device via the network 20. The communication device 230 transfers routing information obtained from the control device 100 to the arithmetic unit 220. It also transfers signals generated by the arithmetic unit 220 to the terminal 300. The communication device 230 includes various interfaces such as a NIC (Network Interface Card) and a USB (Universal Serial Bus).

[0028] The storage device 240 stores various data for estimating the type of work performed by the work device 30, such as work data 410, and the work management program 420. The storage device 240 is used as a non-transitory tangible storage medium for storing the work management program 420. The work management program 420 may be provided as a computer program product recorded on a computer-readable storage medium 2, or as a computer program product downloadable from a server.

[0029] The work data 410 stores work information related to the work performed by the work device 30. The work information includes, for example, the field 500 in which the work device 30 performed the work, the type of work performed by the work device 30, and information representing the movement path of the work device 30. The work information is output to, for example, the terminal 300 and displayed on the terminal 300.

[0030] The arithmetic unit 220 reads and executes the work management program 420 from the storage device 240 and performs various data processing to estimate the type of work performed by the work device 30. For example, the arithmetic unit 220 includes a central processing unit (CPU).

[0031] The arithmetic unit 220 reads and executes the work management program 420, thereby realizing an estimation unit 250 and an output unit 260, as shown in Figure 5. The estimation unit 250 estimates the type of work to be performed by the work device 30 based on the movement path determined by the control device 100. The output unit 260 outputs work information representing the estimated type of work to the terminal 300.

[0032] Next, the configuration of the terminal 300 shown in Figure 1 will be described. As shown in Figure 7, the terminal 300 comprises an input / output device 310, an arithmetic unit 320, a communication device 330, and a storage device 340. The terminal 300 includes, for example, a computer, a tablet, a mobile phone, etc. Information for the arithmetic unit 320 to perform processing is input to the input / output device 310. The input / output device 310 also outputs the results of the processing performed by the arithmetic unit 320. The input / output device 310 includes various input and output devices, such as a keyboard, mouse, microphone, display, speaker, touch panel, etc.

[0033] The communication device 330 is electrically connected to the network 20 and communicates with each device via the network 20. The communication device 330 transfers signals acquired from the work management device 200 to the arithmetic unit 320. It also transfers signals generated by the arithmetic unit 320 to the work management device 200. The communication device 330 includes various interfaces such as transceivers used for wireless communication such as wireless LAN (Local Area Network) and cellular networks, NIC (Network Interface Card), and USB (Universal Serial Bus).

[0034] The storage device 340 stores various data, such as a display program 430, for displaying work information related to the work performed by the work device 30. The storage device 340 is used as a non-transitory tangible storage medium for storing the display program 430. The display program 430 may be provided as a computer program product recorded on a computer-readable storage medium 3, or as a computer program product downloadable from a server.

[0035] The arithmetic unit 320 reads and executes the display program 430, and in cooperation with the input / output device 310, as shown in Figure 5, realizes the display unit 350. The display unit 350 acquires field information from the work management device 200 and displays the acquired field information.

[0036] (Operation of the work management device) When an operator performs work in field 500, they input a registration operation to the control device 100 to register the work area in field 500 with the control device 100. When the control device 100 receives the registration operation, it reads and executes the work equipment control program 400. Once the work equipment control program 400 is executed, the control device 120 executes the process shown in Figure 8, which is part of the field information management method.

[0037] In step S110, the route determination unit 150, implemented by the calculation unit 120, registers the work area in the field 500. For example, the route determination unit 150 instructs the worker to move the work device 30 by manual steering along a route that circles the contour of the field 500. The route determination unit 150 acquires the position information of the work device 30 when the worker moves the work device 30 along the contour of the field 500. Based on the acquired position information, the route determination unit 150 registers the area enclosed by the route taken by the work device 30 as the work area in the field 500 where work will be performed.

[0038] In step S120, the route determination unit 150 determines the movement path for the work device 30 to move within the field 500 in order to perform its work. For example, the route determination unit 150 receives information for determining the movement path. The user, for example, the worker, inputs the specifications of the work device 30 used to determine the movement path, such as the work width 610 and overlap width 611 in which the work device 30 will perform its work, into the input / output device 210. The user also inputs a path pattern into the input / output device 210, for example, a path having multiple straight paths 601 that go back and forth within the field 500 as shown in Figure 2, or a path that circles the field 500 as shown in Figure 3. Based on the input specifications, the path pattern, and the registered work area, the route determination unit 150 determines the movement path for the work device 30 to perform its work within the work area.

[0039] The route determination unit 150 outputs route information representing the determined movement route to the work device 30 and controls the work device 30. The work device 30 performs work in the field 500 based on the instructions from the route determination unit 150.

[0040] Furthermore, the route determination unit 150 outputs route information representing the determined movement route to the work management device 200. The route information output to the work management device 200 includes specification information entered by the user, such as the work width 610 and overlap width 611. The route information may also include information representing the location of the registered work area, such as latitude and longitude.

[0041] In step S130, the estimation unit 250 of the work management device 200 determines the work field in which the work device 30 will perform work, based on route information obtained from the route determination unit 150 of the control device 100. For example, the estimation unit 250 extracts the location of the work area from the route information and determines the field 500, which includes the location of the work area, as the work field in which the work device 30 will perform work. Here, the information representing the area of ​​field 500 is stored in the work data 410.

[0042] In step S140, the estimation unit 250 estimates the type of work performed by the work device 30 based on the route information obtained from the route determination unit 150 of the control device 100. For example, the estimation unit 250 estimates the type of work using a trained model obtained by machine learning. In this case, the trained model is trained to estimate the type of work from the route information. Alternatively, the estimation unit 250 may estimate the type of work based on the model of the work device 30. In this case, the storage device 240 stores work-related data that associates the model of the work device 30 with the type of work. The estimation unit 250 estimates the type of work based on the work-related data. The estimated type of work is stored in the work data 410 shown in Figure 6, associated with the determined work field, by the estimation unit 250. Alternatively, the estimation unit 250 may store route information representing the movement path of the work device 30 in the work data 410, associated with the determined work field.

[0043] In step S150, the output unit 260 outputs work information representing the estimated work type to the terminal 300. For example, the work information represents the estimated work type in association with the field 500 where the work was performed by the work device 30.

[0044] In step S160, the display unit 350 of the terminal 300 displays the work information acquired from the output unit 260 of the work management device 200 on the input / output device 210. For example, the display unit 350 extracts from the work information the field 500 where work was performed by the work device 30 and the type of work performed by the work device 30. As shown in Figure 9, the display unit 350 displays a work image 700 on the map, representing the area corresponding to the extracted field 500, for example, the area corresponding to the first work field 521, in a display format according to the type of work. Users, such as the work manager or the owner of the field 500, can view the work image 700 displayed on the input / output device 210 of the terminal 300 to confirm the type of work currently being performed in the field 500.

[0045] The area corresponding to the field 500 where work is being performed is displayed in a different format depending on the type of work. For example, as shown in Figure 9, the type of work being performed in the first field 521 and the type of work being performed in the second field 522 are displayed in different formats. For example, the color of the area corresponding to the first field 521 is different from the color of the area corresponding to the second field 522. Also, the pattern representing the area corresponding to the first field 521 may be different from the pattern representing the area corresponding to the second field 522. This allows the user to easily confirm the type of work being performed in each field 500.

[0046] Furthermore, when the same type of work is being performed in the first work field 521 and the second work field 522, the specifications set in the work device 30 performing the work in one of the fields, such as the work width 610, overlap width 611, or path pattern, may be incorrect. Therefore, by viewing the work image 700, the user can quickly detect any errors in the information set in the work device 30.

[0047] Furthermore, terminal 300 may display information on input / output device 210 indicating completed fields 510 where work has been completed and unworked fields 530 where work has not yet started. In this case, route determination unit 150 of control device 100 determines whether work by work device 30 has been completed based on the position of work device 30. For example, route determination unit 150 determines that work by work device 30 has been completed when work device 30 reaches the end point of its travel route. Once route determination unit 150 determines that work by work device 30 has been completed, it outputs completion information to work management device 200 indicating that work has been completed. Estimation unit 250 of work management device 200 stores the acquired completion information in work data 410. Output unit 260 outputs work information, including information indicating fields 500 where work has been completed, to terminal 300. Terminal 300 displays a work image 700 on the map, for example as shown in Figure 9, which shows an area indicating a completed field 500, such as a completed field 510, in a display format that is distinguishable from fields 500 that are still being worked on. This allows the user to easily grasp the work status at each field 500.

[0048] The display unit 350 of the terminal 300 may accept correction information to correct the estimated work type. For example, if the work type of work in field 500 displayed on the input / output device 310 differs from the work type of work actually being performed, the user inputs correction information representing the work type of work actually being performed into the input / output device 310. The display unit 350 outputs the input correction information to the work management device 200. The estimation unit 250 of the work management device 200 stores the corrected work type in the work data 410, associating it with the corresponding field 500, based on the correction information. As a result, even if the estimation of the work type by the estimation unit 250 of the work management device 200 is incorrect, the correct work type is stored in the work data 410.

[0049] (modified version) The configuration described in the embodiment is just one example, and the configuration can be changed as long as it does not impede the function. For example, in step S130 shown in Figure 8, the estimation unit 250 of the work management device 200 may determine the work field in which the work device 30 will perform work by any method. For example, the estimation unit 250 may determine the work field in which the work device 30 will perform work based on the position of the work device 30. In this case, the control device 100 acquires position information representing the position of the work device 30 from the work device 30. The acquired position information is included in the route information and output to the work management device 200. The estimation unit 250 determines the work field as the field 500 that includes the position of the work device 30, or the field 500 closest to the position of the work device 30.

[0050] Furthermore, when the route information represents the position of the work device 30 on its travel path, for example, its latitude and longitude, the estimation unit 250 may determine the work field in which the work device 30 will perform its work based on the position on the travel path. For example, the estimation unit 250 may determine a field 500 that includes the position on the travel path as the work field.

[0051] Furthermore, in step S140 shown in Figure 8, the estimation unit 250 may estimate the type of work performed by the work device 30 by any method. For example, the estimation unit 250 may estimate the type of work using a trained model and a threshold. For example, if there are multiple types of work estimated using the trained model, the estimation unit 250 may estimate the type of work using a threshold. For example, the estimation unit 250 may determine that multiple types of work have been estimated if the difference between the likelihood of a work type estimated using the trained model and the likelihood of other work types is smaller than a threshold. In this case, if the work width 610 is greater than the first threshold, the estimation unit 250 may estimate that the type of work performed by the work device 30 is "pest control". If the work width 610 is less than or equal to the first threshold and the overlap width 611 is smaller than the second threshold, the estimation unit 250 may estimate that the type of work performed by the work device 30 is "fertilization". The estimation unit 250 may estimate that the type of work performed by the work device 30 is "cultivation" when the working width 610 is less than or equal to the first threshold and the overlapping width 611 is greater than or equal to the second threshold.

[0052] Furthermore, the estimation unit 250 may estimate the type of work without using some of the route information, for example, the specifications information of the work device 30.

[0053] The work area in which the work device 30 performs operations may be pre-registered in the control device 100. Alternatively, a previously registered work area may be used. In this case, the process in step S110 shown in Figure 8 may be omitted.

[0054] When the work area is pre-registered in the control device 100, step S120 shown in Figure 8 may be performed at any time before the work device 30 performs work in the field. For example, a user, such as an operator, may input the specifications information of the work device 30, such as the route pattern, the day before performing work with the work device 30. In this case, the route determination unit 150 of the control device 100 determines the movement route of the work device 30 based on the input specifications information.

[0055] Furthermore, the output unit 260 of the work management device 200 may store work plan information representing the tasks related to cultivation over a year in the field where work is performed by the work device 30. For example, the work plan information represents the types of tasks performed in the field over a year and the order in which those tasks are performed. For example, the work plan information is input by the user to the input / output device 310 of the terminal 300 and output from the terminal 300 to the work management device 200. In this case, if the type of task estimated by the estimation unit 250 differs from the type of task represented in the work plan information, the output unit 260 may output confirmation information to the terminal 300 to confirm the tasks to be performed by the work device 30. The display unit 350 of the terminal 300 displays the confirmation information to prompt the user to confirm the tasks to be performed by the work device 30. This reduces the chance of the user mistakenly performing tasks different from the work plan before starting work in the field. It also reduces the chance of the user performing tasks based on incorrect specifications of the work device 30.

[0056] Furthermore, the specifications of the work device 30 may be pre-registered in the control device 100. Alternatively, previously registered specifications may be used. In this case, user input operations may be omitted in the process of step S120 shown in Figure 8.

[0057] The embodiments and modifications described above are examples, and the configurations described in each embodiment and modification may be arbitrarily changed and / or combined as long as they do not impede the function. Furthermore, some of the functions described in the embodiments and modifications may be omitted if the necessary functions can be realized. For example, some or all of the processing of the control device 100 may be performed by the work management device 200. Also, some or all of the processing of the work management device 200 may be performed by the control device 100 or the terminal 300. Also, some or all of the processing of the terminal 300 may be performed by the work management device 200. Furthermore, the work management program 420 may include a work device control program 400 and may include a display program 430. Furthermore, the work management system 1000 may not include the terminal 300 and may display work information on an external terminal not included in the work management system 1000. [Explanation of Symbols]

[0058] 1, 2, 3: Storage medium 20: Network 30: Work equipment 100: Control device 110: Input / Output Devices 120: Arithmetic device 130: Communication device 140: Storage device 150: Route determination unit 200: Work management device 210: Input / Output Devices 220: Arithmetic device 230: Communication equipment 240: Storage device 250: Estimation section 260: Output section 300: Terminal 310: Input / Output Device 320: Arithmetic device 330: Communication device 340 :Storage device 350:Display section 400: Work equipment control program 410: Work data 420: Work Management Program 430: Display Program 500: Field 510: Completed field 521: Field in operation for the first time 522: Field in operation for the second time 530: Unworked field 600: Travel route 601: Straight path 602: Turning path 610: Working width 611: overlap width 650: Travel route 700: Working image 1000: Work Management System

Claims

1. Based on path information representing the planned movement path of an autonomously moving work device in a field, the computer estimates the first type of work that the work device is scheduled to perform in the field before the work is performed by the work device. The computer performs the action of outputting work information representing the first type of work, A work management method that includes this.

2. The work management method according to claim 1, wherein the route information includes specifications of the work device used to determine the movement route.

3. The work management method according to claim 2, wherein the specifications information includes the working width when the work device performs work.

4. The aforementioned travel path includes a first straight line path and a second straight line path adjacent to and parallel to the first straight line path. The work management method according to claim 2 or 3, wherein the specification information includes an overlap width representing the length in a direction perpendicular to the direction in which the first straight path extends, in an overlapping region where the first work area where the work is performed by the work device moving along the first straight path and the second work area where the work is performed by the work device moving along the second straight path overlap.

5. The computer further includes obtaining completion information indicating that the work performed by the work apparatus in the field has been completed. The aforementioned work information includes information representing the field where the work has been completed. A work management method according to any one of claims 1 to 4.

6. An estimation unit estimates a first type of work that the autonomously moving work device is scheduled to perform in the field, based on route information representing the planned movement path of the work device in the field, before the work device performs its work. An output unit that outputs work information representing the first type of work, A work management system equipped with the following features.

7. The display unit that displays the aforementioned work information The work management system according to claim 6, further comprising:

8. Based on path information representing the planned movement path of an autonomously moving work device in a field, the first type of work that the work device is scheduled to perform in the field is estimated before the work is performed by the work device. Outputting work information representing the first type of work, A task management program that instructs the computing unit to execute tasks.

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