WO2022097549A1 - Work information management device, work information management system, storage medium, and work information management method - Google Patents

Work information management device, work information management system, storage medium, and work information management method Download PDF

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Publication number
WO2022097549A1
WO2022097549A1 PCT/JP2021/039649 JP2021039649W WO2022097549A1 WO 2022097549 A1 WO2022097549 A1 WO 2022097549A1 JP 2021039649 W JP2021039649 W JP 2021039649W WO 2022097549 A1 WO2022097549 A1 WO 2022097549A1
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WIPO (PCT)
Prior art keywords
work
information
group
type
information management
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PCT/JP2021/039649
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French (fr)
Japanese (ja)
Inventor
俊輔 宮内
拓海 吉峰
拓也 近藤
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ヤンマーホールディングス株式会社
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Application filed by ヤンマーホールディングス株式会社 filed Critical ヤンマーホールディングス株式会社
Priority to CN202180071591.XA priority Critical patent/CN116420156A/en
Priority to KR1020237009745A priority patent/KR20230104860A/en
Publication of WO2022097549A1 publication Critical patent/WO2022097549A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02—Agriculture; Fishing; Mining

Definitions

  • the present invention relates to a work information management device, a work information management system, a storage medium, and a work information management method.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2018-190292 discloses a technique for receiving position information and operation information from an agricultural machine used for agricultural work in a field and recording the work information in the field. There is. The recorded work information is used for analysis of cultivation management.
  • the type of work such as tillage, leveling, sprinkling of original fertilizer, and planting, is determined for each work area based on the position information and the operation information. If this determined work type is incorrect, the user changes it for each work area. Further, since the work area is set according to the period during which the agricultural machine is started, it is divided according to the work period. For example, even if the same work is performed, the work area where the work was performed in the afternoon may be divided into the work area where the work was performed in the morning.
  • one of the purposes of the present disclosure is to provide a work information management device capable of efficiently managing work information by grouping a plurality of work areas.
  • Other purposes can be understood from the following description and description of embodiments.
  • the work information management device includes a storage device and an arithmetic unit.
  • the storage device stores a plurality of work area information representing the work area of the field where the work is performed.
  • the arithmetic unit groups one or more works satisfying a predetermined condition from a plurality of works corresponding to a plurality of work area information as a work group.
  • the arithmetic unit estimates the work type of the work based on the operation information of the work vehicle when the work is being performed. Further, the arithmetic unit corresponds to the first work type information and the second work included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group. 2 Change the work type information.
  • the work information management system includes the above-mentioned work information management device and a terminal for displaying work area information.
  • the terminal displays an image that distinguishes the work area information included in the work group from other work. Further, the terminal accepts an operation of changing the first work type information corresponding to the first work included in the work group.
  • the storage medium stores the work information management program.
  • the work information management program causes the arithmetic unit to hold a plurality of work area information representing the work area of the field where the work is performed. Further, the work information management program causes the arithmetic unit to group one or more works satisfying a predetermined condition as a work group among a plurality of works corresponding to the plurality of work area information. Further, the work information management program causes the arithmetic unit to estimate the work type of the work based on the operation information of the work vehicle when the work is being performed.
  • the work information management program corresponds to the first work type information and the second work included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group.
  • the arithmetic unit is made to change the second work type information to be performed.
  • the work information management method includes the arithmetic unit holding a plurality of work area information representing the work area of the field where the work is performed. Further, the work information management method includes that the arithmetic unit groups one or more works satisfying a predetermined condition as a work group among a plurality of works corresponding to a plurality of work area information. Further, the work information management method estimates the work type of the work based on the operation information of the work vehicle when the work is being performed. Further, in the work information management method, the arithmetic unit includes the first work type information and the first work type information included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group. 2 Includes changing the second work type information corresponding to the work.
  • the user can efficiently manage the work information registered in the work information management device.
  • FIG. 1 is a schematic diagram of a work information management system according to an embodiment.
  • FIG. 2 is a diagram showing the structure of work data in one embodiment.
  • FIG. 3 is a diagram showing a work area in one embodiment.
  • FIG. 4 is a diagram showing a functional block executed by the work information management system in one embodiment.
  • FIG. 5 is a flowchart showing processing by the work information management program in one embodiment.
  • FIG. 6 is a diagram showing a structure of work data when processing by the work information management program in one embodiment is performed.
  • FIG. 7 is a flowchart showing processing by the work information management program and the display program in one embodiment.
  • FIG. 8 is a diagram showing an image displayed by the display unit in one embodiment.
  • FIG. 9 is a diagram showing the structure of work data after changing the work type in one embodiment.
  • the work information management system 1000 includes a work information management device 100 and a terminal 200.
  • the work information management device 100 is communicably connected to the terminal 200 and the work vehicle 30 via a network 20, for example, the Internet.
  • the work information management device 100 acquires operation information in the field from the work vehicle 30, and stores information indicating a work type, work time, work area, etc. in one work unit based on the acquired operation information.
  • This work unit represents work in one work period in the operation information from the work vehicle 30, and represents, for example, the work from the start to the stop of the engine of the work vehicle 30.
  • the work type represents the type of work performed in the field, such as tillage, leveling, sprinkling of original fertilizer, and planting.
  • the operation information includes information indicating the state of the work vehicle 30 when working in the field, for example, the speed of the work vehicle 30, the steering angle, the engine speed, the ON / OFF status of various clutches, and the work vehicle 30.
  • the operation information includes the PTO (power take-off) rotation speed when transmitting power to the work machine, the hitch height indicating the attitude of the work machine, and the like.
  • Information such as the lift arm angle may be included.
  • the work information management device 100 groups works that are presumed to have performed the same work based on the information representing the stored work area, so that the work types of the work included in the same group are the same work type. Hold the work type. For example, when the work type is changed, the work information management device 100 changes the work type of the work included in the same group as the work whose work type is changed to the same work type.
  • the user can change the work type of one or more works included in the same group by changing the work type of one work.
  • the work information management device 100 includes an input / output device 110, an arithmetic unit 120, a communication device 130, and a storage device 140.
  • the work information management device 100 is, for example, a computer.
  • Information for the arithmetic unit 120 to execute the process is input to the input / output device 110.
  • the input / output device 110 outputs the result of the processing executed by the arithmetic unit 120.
  • the input / output device 110 includes various input devices and output devices, and includes, for example, a keyboard, a mouse, a microphone, a display, a speaker, a touch panel, and the like.
  • the input / output device 110 may be omitted.
  • 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 the operation information acquired from the work vehicle 30 to the arithmetic unit 120. Further, the signal generated by the arithmetic unit 120 is transferred to the terminal 200.
  • the communication device 130 includes various interfaces such as NIC (Network Interface Card) and USB (Universal Serial Bus).
  • the storage device 140 stores various data for grouping work, for example, work data 300 and work information management program 400.
  • the storage device 140 is used as a non-transitory tangible storage medium for storing the work information management program 400.
  • the work information management program 400 may be provided as a computer program product recorded on a computer-readable storage medium 1, or may be provided as a computer program product that can be downloaded from a server.
  • the work data 300 includes data related to field work, for example, data calculated from operation information from the work vehicle 30.
  • the work data 300 includes a work ID 310, work period information representing a work period 320, work area information representing a work area 330, work type information representing a work type 340, and a work group. Includes work group information representing 350.
  • the work ID 310, the work period information, the work area information, the work type information, and the work group information are registered in association with the work data 300.
  • the work ID 310 represents an identifier used to distinguish units of work performed in the field, and different values are assigned to each work.
  • the work period 320 represents the time when the work in the field was started and the time when the work was finished.
  • the work period 320 represents, for example, the time when the work vehicle 30 enters the field and the time when the work vehicle 30 leaves the field. Further, the work period 320 may represent a time when the work vehicle 30 starts, for example, the engine starts, and a time when the work vehicle 30 stops, for example, the engine stops.
  • any format may be selected that represents the period during which the work in the field was performed.
  • the work area 330 represents the area where the work in the field was performed, for example, the position and shape.
  • "A” whose work ID 310 is indicated by “OP01” represents a work area 330A as shown in FIG.
  • the work area 330A is an area where the work whose work ID 310 is “OP01” is performed, and is an area where the work is performed during the work period 320 indicated by “OP01”.
  • “B” whose work ID 310 is indicated by “OP02” represents the work area 330B in FIG.
  • “C” indicated by “OP03” represents a work area 330C
  • "D” indicated by “OP04” represents a work area 330D
  • "E” indicated by "OP05” represents a work area.
  • a part of the work area 330 may overlap with a part of another work area 330.
  • a part of the work area 330B overlaps a part of the work area 330A
  • another part of the work area 330B overlaps a part of the work area 330C.
  • Part of three or more work areas 330 may overlap each other.
  • Work type 340 represents the type of work performed in the field, such as tillage, leveling, fertilization, and planting.
  • the work type 340 of the work data 300 in FIG. 2 indicates that the work whose work ID 310 is indicated by "OP01" is "plow". Therefore, the work data 300 indicates that "plowing” was performed in the work area 330A shown in FIG. 3 during the period represented by the work period 320 shown in "OP01". Similarly, the work data 300 indicates that “plowing” was performed in the work area 330B during the period represented by the work period 320 indicated by “OP02”, and is represented by the work period 320 indicated by “OP03”. Indicates that "plowing” was performed in the work area 330C during the period.
  • the work data 300 indicates that "plowing” was performed in the work area 330D during the period represented by the work period 320 shown in "OP04", and the period represented by the work period 320 shown in "OP05". Indicates that "weeding” was performed in the work area 330E.
  • the work group 350 is an identifier that represents a group of work that is presumed to have performed the same work.
  • the same identifier is set in the work group 350 corresponding to the work in which the same work is presumed to have been performed.
  • the work group 350 corresponding to the work shown in "OP01" to "OP04" represents the same value "1"
  • the work shown in "OP01” to "OP04" is in the same group. Belong.
  • one or more works belonging to the same group may be referred to as a work group.
  • the work data 300 is read out by the arithmetic unit 120 shown in FIG. 1 and used for various data processing for grouping the work.
  • the arithmetic unit 120 reads and executes the work information management program 400 from the storage device 140, and groups the work based on the work data 300.
  • the arithmetic unit 120 includes a central processing unit (CPU; Central Processing Unit) and the like.
  • the arithmetic unit 120 has a work registration unit 150 and a work type estimation unit 160 that execute various data processes for grouping the work by reading and executing the work information management program 400.
  • the group determination unit 170 and the response unit 180 are realized.
  • the work registration unit 150 calculates the work area 330 based on the operation information obtained from the work vehicle 30, and registers the work area information representing the calculated work area 330 in the work data 300 as new work.
  • the work type estimation unit 160 estimates the work type 340 based on the operation information obtained from the work vehicle 30, and registers the work type information representing the estimated work type 340 in the work data 300 in association with the registered work. do.
  • the group determination unit 170 groups the works registered in the work data 300 based on the work data 300.
  • the response unit 180 transmits or changes the work data 300 in response to a request from the display unit 250 of the terminal 200.
  • the terminal 200 includes an input / output device 210, an arithmetic unit 220, a communication device 230, and a storage device 240.
  • the terminal 200 includes, for example, a computer, a tablet, a mobile phone, and the like.
  • Information for the arithmetic unit 220 to execute the process is input to the input / output device 210.
  • the input / output device 210 outputs the result of the processing executed by the arithmetic unit 220.
  • the input / output device 210 includes various input devices and output devices, and includes, for example, a keyboard, a mouse, a microphone, a display, a speaker, a touch panel, and the like.
  • 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 the information included in the work data 300 acquired from the work information management device 100 to the arithmetic unit 220. Further, the signal generated by the arithmetic unit 220 is transferred to the work information management device 100.
  • the communication device 230 includes various interfaces such as NIC (Network Interface Card) and USB (Universal Serial Bus).
  • the storage device 240 stores various data for changing the work data 300 registered in the work information management device 100, for example, a display program 500.
  • the storage device 240 is used as a non-transitory tangible storage medium for storing the display program 500.
  • the display program 500 may be provided as a computer program product recorded on a computer-readable storage medium 2, or may be provided as a computer program product that can be downloaded from a server.
  • the display program 500 may be recorded and provided on the storage medium 1.
  • the arithmetic unit 220 realizes the display unit 250 that displays the information of the work data 300 stored in the work information management device 100, as shown in FIG. 4, by reading and executing the display program 500.
  • the display unit 250 acquires the information of the work data 300 stored in the work information management device 100 and displays the information registered in the work data 300. Further, the display unit 250 updates the information registered in the work data 300 by the operation of the user.
  • the arithmetic unit 120 of the work information management device 100 receives the operation information from the work vehicle 30, the arithmetic unit 120 reads and executes the work information management program 400. By executing the work information management program 400, the arithmetic unit 120 executes the process shown in FIG. 5 by the work registration unit 150, the work type estimation unit 160, and the group determination unit 170.
  • the work registration unit 150 determines the work period 320 based on the operation information received from the work vehicle 30. For example, the work registration unit 150 determines the work period 320 from the time when the work vehicle 30 is started to the time when the work vehicle 30 is stopped. Further, the work registration unit 150 determines the work period 320 based on the time when the work of the work vehicle 30 starts and ends, and the time when the work machine towed by the work vehicle 30 is driven and stopped, for example. You may. The work registration unit 150 assigns a new work ID 310 to the work corresponding to the received operation information, and registers it in the work data 300 as a new work in association with the work ID 310 to which the determined work period 320 is assigned.
  • the work registration unit 150 determines the work area 330 based on the position information of the work vehicle 30 in the determined work period 320.
  • the work vehicle 30 is equipped with a positioning device, for example, a receiver of a GNSS (Global Navigation Satellite System), and acquires position information indicating the position at each time when the work period 320 is reached.
  • the acquired position information is transmitted from the work vehicle 30 to the arithmetic unit 120 of the work information management device 100.
  • the work registration unit 150 realized by the arithmetic unit 120 determines the work area 330 based on the acquired position information.
  • the work area 330 is represented by an arbitrary closed figure including a position represented by the acquired position information, such as a polygon or a rectangle.
  • the work area 330 is represented by a figure that surrounds all the positions represented by the acquired position information.
  • the work registration unit 150 associates the determined work area 330 with the work ID 310 and registers it in the work data 300. As a result, the work area 330 is associated with the work period 320 determined in step S100.
  • the work type estimation unit 160 estimates the work type 340 based on the operation information received from the work vehicle 30. For example, the work type estimation unit 160 may calculate the work type 340 based on the model of the work vehicle 30. In this case, the storage device 140 stores work correspondence data associating the model of the work vehicle 30 with the work represented by the work type 340. The work type estimation unit 160 estimates the work type 340 based on the work correspondence data. Further, the work type estimation unit 160 may estimate the work type 340 using the trained model obtained by machine learning. In this case, the trained model is trained to estimate the work type 340 from the operation information.
  • the work type estimation unit 160 associates the estimated work type 340 with the work ID 310 and registers it in the work data 300.
  • the work type 340 is associated with the work period 320 determined in step S100 and the work area 330 determined in step S110.
  • the work data 300 holds the work period 320, the work area 330, and the work type 340 in association with each other for each work.
  • the group determination unit 170 calculates the degree of similarity between the new work and the work registered in the work data 300 based on the determined work area 330.
  • the group determination unit 170 extracts a work group which is a set of one or more works satisfying the extraction condition from the work data 300.
  • the group determination unit 170 extracts a work group which is a set of one or more works representing the same work type 340 as the new work from the work data 300.
  • the group determination unit 170 calculates the similarity using the distance from the work area 330 of the new work to the work area 330 of each work.
  • the similarity may be the reciprocal of the distance.
  • the method of calculating the distance between the two work areas 330 can be arbitrarily selected.
  • this distance may be the smallest of the distances between arbitrary positions of the two work areas 330, or may be the distance between the geometric centers of the two work areas 330. Further, for this distance, any method for calculating the distance between two points, for example, the Euclidean distance, the Manhattan distance, or the like may be selected.
  • step S140 the group determination unit 170 determines a new work group based on the calculated similarity.
  • the group determination unit 170 selects the work having the highest similarity calculated from the work data 300 from the work group. When the similarity of the selected work is greater than a predetermined threshold, the new work is determined to belong to the group of work selected from the work data 300.
  • the group determination unit 170 registers the same value as the selected work group in the work group 350 of the work data 300 shown in FIG.
  • the similarity of the selected work is equal to or less than a predetermined threshold value, the group determination unit 170 determines that the new work does not belong to the group registered in the work data 300. In this case, the group determination unit 170 registers a new value not used in the group registered in the work data 300 in the work group 350.
  • the work area 330B since the work area 330B has a small distance from the nearest work area 330A, it is registered in the work data 300 as the same group as the work area 330A. Since the work area 330C has a small distance from the nearest work area 330B, it is registered in the work data 300 as the same group as the work area 330B. Since the work area 330D has a small distance from the nearest work area 330B, it is registered in the work data 300 as the same group as the work area 330B. The work area 330E is registered in the work data 300 as a new group because the work representing the same work type 340 is not included in the work data 300. As described above, as shown in FIG.
  • the group determination unit 170 registers the same value "1" in the work group 350 of "OP01” to "OP04" representing the work corresponding to the work area 330A to the work area 330D. .. Further, the group determination unit 170 registers a value "2" different from the work group 350 of "OP01” to "OP04" in "OP05" representing the work corresponding to the work area 330E.
  • the work information management device 100 can group work based on the operation information received from the work vehicle 30.
  • the arithmetic unit 220 of the terminal 200 changes the work data 300 registered in the work information management device 100 according to the operation of the user.
  • the arithmetic unit 220 reads out and executes the display program 500 according to the operation of the user.
  • the arithmetic unit 220 executes step S200 shown in FIG. 7 by the display unit 250.
  • the arithmetic unit 120 of the work information management device 100 executes the work information management program 400 in response to a request from the display unit 250, and the response unit 180 executes step S210.
  • step S200 the display unit 250 of the terminal 200 acquires the work data 300 from the work information management device 100 and displays the acquired work data 300.
  • the display unit 250 generates a data request signal requesting the work data 300 from the work information management device 100 in response to the user's operation.
  • the response unit 180 of the work information management device 100 generates a data output signal representing the work data 300 based on the data request signal.
  • the display unit 250 of the terminal 200 extracts the work data 300 from the data output signal and displays the work data 300 on the input / output device 110 of the terminal 200.
  • the display unit 250 displays an image showing an area representing the work area 330 included in the work data 300 on a map.
  • the display unit 250 displays the work period information of the work period 320 corresponding to the selected work area 330 and the work type information of the work type 340. And are displayed.
  • the display unit 250 displays an image that distinguishes the work belonging to the same group as the selected work area 330 from other work.
  • the display unit 250 displays an image that emphasizes an area representing a work area 330 that belongs to the same group as the selected work area 330.
  • the display unit 250 highlights the areas representing the work areas 330A to the work area 330D that belong to the same group as the work area 330A.
  • the user can change the work type information of the work type 340 corresponding to one work area 330.
  • the display unit 250 When the input / output device 210 receives an operation for changing the work type information, the display unit 250 generates a change request signal representing the work ID 310 corresponding to the work type information for which the change has been accepted and the changed work type information. ..
  • the user performs an operation of changing the work type information corresponding to the work area 330B to "leveling”.
  • the display unit 250 generates a change request signal representing "OP02" indicating the work ID 310 corresponding to the work area 330B and "leveling" indicating the changed work type information.
  • step S210 the response unit 180 of the work information management device 100 changes the work type information registered in the work type 340 of the work data 300 based on the change request signal.
  • the response unit 180 extracts the value of the work ID 310 and the work type information of the work type 340 from the change request signal received from the display unit 250 of the terminal 200.
  • the response unit 180 changes the work type information corresponding to the value of the extracted work ID 310 to the work type information extracted from the change request signal. For example, when the response unit 180 receives the change request signal representing "OP02" of the work ID 310 and "leveling" of the work type 340, the response unit 180 corresponds to "OP02" represented by the change request signal as shown in FIG.
  • the work type information of the work type 340 to be performed is changed to "leveling".
  • the response unit 180 changes the work type information of the work belonging to the same group as the work ID 310 represented by the change request signal. Specifically, the response unit 180 extracts the work group 350 corresponding to the work ID 310 represented by the change request signal from the work data 300. The response unit 180 extracts the work ID 310 having the work group 350 having the same value as the extracted work group 350. The response unit 180 changes the extracted work type information of the work ID 310 to the work type information represented by the change request signal. For example, as shown in FIG. 9, the response unit 180 acquires the value “1” of the work group 350 corresponding to “OP02”. The response unit 180 extracts the work ID 310 to which the work group 350 is "1" and acquires "OP01" to "OP04" to which the same group belongs. The response unit 180 changes the acquired work type information of "OP01" to "OP04" to "leveling" represented by the change request signal.
  • the user can also change the work type information of the work to which the same group belongs by changing the work type information of one of the grouped work.
  • the configuration described in the embodiment is an example, and the configuration can be changed as long as the function is not impaired.
  • the work information management device 100 may change the work group 350 once determined by the operation of the user. For example, the user inputs to the input / output device 210 that the input / output device 210 of the terminal 200 selects one work area 330 and changes the work group 350 of the selected work area 330. Based on the input of the user, the display unit 250 generates a change request signal representing the work ID 310 corresponding to the work group 350 that has received the change and the value of the work group 350 after the change. For example, the user performs an operation of changing the work group 350 corresponding to the work area 330D to “2”. At this time, the display unit 250 generates a change request signal representing "OP04" indicating the work ID 310 corresponding to the work area 330D and "2" indicating the changed work group 350.
  • the response unit 180 of the work information management device 100 receives the change request signal from the display unit 250 of the terminal 200, and changes the work group 350 of the work ID 310 for which the change is requested. Specifically, the response unit 180 extracts the value of the work ID 310 and the value of the work group 350 from the change request signal. The response unit 180 changes the work group 350 corresponding to the value of the extracted work ID 310 to the value of the extracted work group 350. For example, when the response unit 180 receives the change request signal representing "OP04" of the work ID 310 and "2" of the work group 350, the response unit 180 sets the work group 350 corresponding to "OP04" represented by the change request signal to "2". To change to.
  • the group determination unit 170 of the work information management device 100 has shown an example of calculating the similarity based on the distance between the two work areas 330, but the present invention is not limited to this.
  • the group determination unit 170 may select an arbitrary index value indicating whether the same work is being performed.
  • the similarity may be calculated based on one work area 330 and a work area 330 of a work group that is a group of work belonging to the same group.
  • the group determination unit 170 may use the Mahalanobis distance between the work group and the other work area 330 as the degree of similarity.
  • the group determination unit 170 calculates the average position and the variance value of the work group.
  • the group determination unit 170 calculates the Mahalanobis distance between the work group and the geometric center of the other work area 330 based on the calculated average position and dispersion value of the work group, and uses the calculated Mahalanobis distance as the similarity.
  • the group determination unit 170 may use other information registered in the work data 300 for calculating the similarity. For example, the group determination unit 170 may calculate the similarity between two works based on the work area 330 and the work period 320. The group determination unit 170 may use the time between the work periods 320 corresponding to the two works, for example, the time from the work end time of the earlier work to the work start time of the later work. good. In this case, the group determination unit 170 adds one dimension of time during the work period 320 to the number of dimensions representing the work area 330, for example, two dimensions, to obtain a multidimensional distance, for example, a three-dimensional distance. It may be used to calculate the similarity between two operations.
  • the group determination unit 170 may calculate the similarity by using the two-dimensional distance between the distance of the work area 330 and the time during the work period 320. Further, the similarity may be calculated by using the working period 320 without using the distance of the working area 330.
  • the group determination unit 170 may calculate the similarity based on the work area 330 corresponding between the two works and the work type 340. For example, when the work type estimation unit 160 estimates the work type 340 using the certainty, the similarity may be calculated using the calculated certainty. The group determination unit 170 adds one dimension representing the difference in certainty to the number of dimensions representing the work area 330, and calculates the similarity between the two tasks using the multidimensional distance. Further, the storage device 140 stores a similarity table showing the similarity between two different work types 340, and the group determination unit 170 uses the similarity table of the work type 340 by using the similarity table stored in the storage device 140. And the degree of similarity may be calculated. By calculating the similarity using the certainty that represents the certainty of the estimated work type 340, the group determination unit 170 can group the work that is likely to be changed. The degree of certainty may be included in the work type information.
  • the group determination unit 170 may exclude the work with high certainty from the group. For example, in step S130 shown in FIG. 5, when the certainty of new work to be classified into a group is greater than a predetermined threshold value, the group determination unit 170 first ends step S130 and performs step S140. Omit. This excludes tasks with high confidence from the group. Further, when the certainty of the grouping work is equal to or less than a predetermined threshold value, the process shown in step S130 described above is started. Here, the group determination unit 170 extracts the work of calculating the similarity with the new work based on the extraction conditions. This extraction condition includes that the certainty of work is equal to or less than a predetermined threshold. In this way, the group determination unit 170 excludes the work with high certainty from the group, so that the user changes the work type 340 of other work, thereby reducing the change of the work with high certainty. be able to.
  • the similarity calculated in step S140 of FIG. 5 may have a plurality of dimensions.
  • the similarity may have three dimensions: the distance between the work areas 330, the time between the work periods 320, and the difference in certainty when estimating the work type 340.
  • the group determination unit 170 groups the work when each dimension of similarity is greater than a predetermined value.
  • the extraction conditions in step S130 of FIG. 5 can be arbitrarily selected as long as similar operations can be extracted.
  • the extraction condition may include that the working period 320 is included in a predetermined period.
  • the group determination unit 170 extracts the work period 320 of the work for determining the group and the work performed within one week from the work data 300.
  • the group determination unit 170 calculates the degree of similarity between the extracted work and the work of determining the group, and determines the group.
  • the group determination unit 170 may omit steps S130 and S140 in FIG. 5 when the certainty of the determined work type 340 is smaller than a predetermined value.
  • the group determination unit 170 can avoid grouping based on the work type 340 when the estimated probability of the work type 340 is low.
  • the group determination unit 170 of the work information management device 100 may select any method that can classify the work that can be presumed that the same work has been performed. For example, the group determination unit 170 determines that one or more works satisfying a predetermined condition belong to the same group. For example, as shown in the embodiment, the predetermined condition includes that the work type information is the same and the similarity is larger than the predetermined value. Further, under the predetermined conditions, the similarity may be larger than the predetermined value regardless of the work type information.
  • the range of one work included in the work data 300 can be arbitrarily selected as long as the work is a unit representing the same work type 340.
  • one work may represent a unit of work determined based on information such as an arbitrary period and area, or may represent one work managed on data.
  • step S120 in FIG. 5 may be omitted.
  • the work type 340 may be input by the user using the terminal 200.

Abstract

This work information management device is provided with a storage device, and a computing device. The storage device stores a plurality of items of work region information representing work regions in an agricultural field in which work has been performed. The computing device groups one or more items of work satisfying a predetermined condition, from among a plurality of items of work corresponding to the plurality of work region information, as a work group. The computing device also estimates the work type of the work on the basis of operation information when a work vehicle used for the work performed the work. In addition, the computing device changes first work type information corresponding to first work included in the work group, and second work type information corresponding to second work included in the work group, on the basis of a change request signal for changing the first work type information.

Description

作業情報管理装置、作業情報管理システム、記憶媒体、及び作業情報管理方法Work information management device, work information management system, storage medium, and work information management method
　本発明は、作業情報管理装置、作業情報管理システム、記憶媒体、及び作業情報管理方法に関するものである。 The present invention relates to a work information management device, a work information management system, a storage medium, and a work information management method.
　近年、栽培管理の分析に圃場における農作業に関する情報を用いることが研究されている。 In recent years, it has been studied to use information on farm work in the field for analysis of cultivation management.
　特許文献１（特開２０１８－１９０２９２号公報）には、圃場内で農作業に用いられる農業機械から位置情報と稼働情報とを受信して、圃場内での作業情報を記録する技術が開示されている。記録された作業情報は、栽培管理の分析に利用される。 Patent Document 1 (Japanese Unexamined Patent Publication No. 2018-190292) discloses a technique for receiving position information and operation information from an agricultural machine used for agricultural work in a field and recording the work information in the field. There is. The recorded work information is used for analysis of cultivation management.
特開２０１８－１９０２９２号公報Japanese Unexamined Patent Publication No. 2018-190292
　特許文献１に記載の技術では、位置情報と稼働情報とに基づき、作業領域ごとに作業の種類、例えば耕起、整地、元肥散布、植付などが判断される。この判断された作業の種類が間違っている場合、ユーザが作業領域ごとに変更する。また、作業領域は、農業機械が起動している期間に応じて設定されるため、作業期間に応じて分割される。例えば、同じ作業を行っていても、午後に作業が行われた作業領域が午前に作業が行われた作業領域と分割される場合がある。 In the technique described in Patent Document 1, the type of work, such as tillage, leveling, sprinkling of original fertilizer, and planting, is determined for each work area based on the position information and the operation information. If this determined work type is incorrect, the user changes it for each work area. Further, since the work area is set according to the period during which the agricultural machine is started, it is divided according to the work period. For example, even if the same work is performed, the work area where the work was performed in the afternoon may be divided into the work area where the work was performed in the morning.
　上記の状況に鑑み、本開示は、複数の作業領域をグループ化することで、効率的に作業情報を管理することができる作業情報管理装置を提供することを目的の１つとする。他の目的については、以下の記載及び実施の形態の説明から理解することができる。 In view of the above situation, one of the purposes of the present disclosure is to provide a work information management device capable of efficiently managing work information by grouping a plurality of work areas. Other purposes can be understood from the following description and description of embodiments.
　上記目的を達成するための一実施の形態による作業情報管理装置は、記憶装置と、演算装置とを備える。記憶装置は、作業が行われた圃場の作業領域を表す複数の作業領域情報を格納する。演算装置は、複数の作業領域情報に対応する複数の作業のうち所定の条件を満たす１以上の作業を作業群としてグループ化する。また、演算装置は、作業を行っているときの作業車両の稼働情報に基づき、作業の作業種別を推定する。さらに、演算装置は、作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、第１作業種別情報と、作業群に含まれる第２作業に対応する第２作業種別情報とを変更する。 The work information management device according to the embodiment for achieving the above object includes a storage device and an arithmetic unit. The storage device stores a plurality of work area information representing the work area of the field where the work is performed. The arithmetic unit groups one or more works satisfying a predetermined condition from a plurality of works corresponding to a plurality of work area information as a work group. In addition, the arithmetic unit estimates the work type of the work based on the operation information of the work vehicle when the work is being performed. Further, the arithmetic unit corresponds to the first work type information and the second work included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group. 2 Change the work type information.
　上記目的を達成するための一実施の形態による作業情報管理システムは、前述の作業情報管理装置と、作業領域情報を表示する端末とを備える。端末は、作業群に含まれる作業領域情報を他の作業と区別する画像を表示する。また、端末は、作業群に含まれる第１作業に対応する第１作業種別情報を変更する操作を受け付ける。 The work information management system according to the embodiment for achieving the above object includes the above-mentioned work information management device and a terminal for displaying work area information. The terminal displays an image that distinguishes the work area information included in the work group from other work. Further, the terminal accepts an operation of changing the first work type information corresponding to the first work included in the work group.
　上記目的を達成するための一実施の形態による記憶媒体は作業情報管理プログラムを記憶する。作業情報管理プログラムは、作業が行われた圃場の作業領域を表す複数の作業領域情報を保持することを演算装置に実行させる。また、作業情報管理プログラムは、複数の作業領域情報に対応する複数の作業のうち、所定の条件を満たす１以上の作業を作業群としてグループ化することを演算装置に実行させる。さらに、作業情報管理プログラムは、作業を行っているときの作業車両の稼働情報に基づき、作業の作業種別を推定することを演算装置に実行させる。さらに、作業情報管理プログラムは、作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、第１作業種別情報と、作業群に含まれる第２作業に対応する第２作業種別情報とを変更することを演算装置に実行させる。 The storage medium according to the embodiment for achieving the above object stores the work information management program. The work information management program causes the arithmetic unit to hold a plurality of work area information representing the work area of the field where the work is performed. Further, the work information management program causes the arithmetic unit to group one or more works satisfying a predetermined condition as a work group among a plurality of works corresponding to the plurality of work area information. Further, the work information management program causes the arithmetic unit to estimate the work type of the work based on the operation information of the work vehicle when the work is being performed. Further, the work information management program corresponds to the first work type information and the second work included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group. The arithmetic unit is made to change the second work type information to be performed.
　上記目的を達成するための一実施の形態による作業情報管理方法は、演算装置が、作業が行われた圃場の作業領域を表す複数の作業領域情報を保持することを含む。また、作業情報管理方法は、演算装置が、複数の作業領域情報に対応する複数の作業のうち、所定の条件を満たす１以上の作業を作業群としてグループ化することを含む。さらに、作業情報管理方法は、作業を行っているときの作業車両の稼働情報に基づき、作業の作業種別を推定する。さらに、作業情報管理方法は、演算装置が、作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、第１作業種別情報と、作業群に含まれる第２作業に対応する第２作業種別情報とを変更することを含む。 The work information management method according to the embodiment for achieving the above object includes the arithmetic unit holding a plurality of work area information representing the work area of the field where the work is performed. Further, the work information management method includes that the arithmetic unit groups one or more works satisfying a predetermined condition as a work group among a plurality of works corresponding to a plurality of work area information. Further, the work information management method estimates the work type of the work based on the operation information of the work vehicle when the work is being performed. Further, in the work information management method, the arithmetic unit includes the first work type information and the first work type information included in the work group based on the change request signal for changing the first work type information corresponding to the first work included in the work group. 2 Includes changing the second work type information corresponding to the work.
　上記の形態によれば、ユーザは、作業情報管理装置に登録される作業情報を効率的に管理することができる。 According to the above form, the user can efficiently manage the work information registered in the work information management device.
図１は、一実施の形態における作業情報管理システムの概略図である。FIG. 1 is a schematic diagram of a work information management system according to an embodiment. 図２は、一実施の形態における作業データの構成を表す図である。FIG. 2 is a diagram showing the structure of work data in one embodiment. 図３は、一実施の形態における作業領域を表す図である。FIG. 3 is a diagram showing a work area in one embodiment. 図４は、一実施の形態における作業情報管理システムが実行する機能ブロックを表す図である。FIG. 4 is a diagram showing a functional block executed by the work information management system in one embodiment. 図５は、一実施の形態における作業情報管理プログラムによる処理を表すフローチャートである。FIG. 5 is a flowchart showing processing by the work information management program in one embodiment. 図６は、一実施の形態における作業情報管理プログラムによる処理が行われているときの作業データの構成を表す図である。FIG. 6 is a diagram showing a structure of work data when processing by the work information management program in one embodiment is performed. 図７は、一実施の形態における作業情報管理プログラムと表示プログラムによる処理を表すフローチャートである。FIG. 7 is a flowchart showing processing by the work information management program and the display program in one embodiment. 図８は、一実施の形態における表示部が表示する画像を表す図である。FIG. 8 is a diagram showing an image displayed by the display unit in one embodiment. 図９は、一実施の形態において、作業種別を変更した後の作業データの構成を表す図である。FIG. 9 is a diagram showing the structure of work data after changing the work type in one embodiment.
（実施の形態）
　本実施の形態による作業情報管理システム１０００を、図面を参照して説明する。本実施の形態において、図１に示すように、作業情報管理システム１０００は、作業情報管理装置１００と、端末２００とを備える。作業情報管理装置１００は、ネットワーク２０、例えばインターネットを介して、端末２００と、作業車両３０と通信可能に接続されている。 (Embodiment)
The work information management system 1000 according to the present embodiment will be described with reference to the drawings. In the present embodiment, as shown in FIG. 1, the work information management system 1000 includes a work information management device 100 and a terminal 200. The work information management device 100 is communicably connected to the terminal 200 and the work vehicle 30 via a network 20, for example, the Internet.
　作業情報管理装置１００は、作業車両３０から圃場での稼働情報を取得して、取得した稼働情報に基づき、作業種別、作業時期、作業領域などを表す情報を１つの作業単位で格納する。この作業単位は、作業車両３０からの稼働情報において１つの作業期間における作業を表し、例えば、作業車両３０のエンジンが始動してから停止するまでの作業を表す。作業種別は、圃場で行われた作業の種類、例えば耕起、整地、元肥散布、植付などを表す。稼働情報は、圃場で作業を行っているときの作業車両３０の状態を表す情報を含み、例えば作業車両３０の速度、操舵角、エンジン回転数、各種クラッチのＯＮ／ＯＦＦ状況、作業車両３０の各時刻の位置情報、作業期間などを表す情報を含む。作業車両３０が作業機械を牽引する車両、例えばトラクターであるとき、稼働情報には、作業機械に動力を伝達するときのＰＴＯ（power　take-off）回転数、作業機械の姿勢を示すヒッチ高さやリフトアーム角度などの情報が含まれてもよい。 The work information management device 100 acquires operation information in the field from the work vehicle 30, and stores information indicating a work type, work time, work area, etc. in one work unit based on the acquired operation information. This work unit represents work in one work period in the operation information from the work vehicle 30, and represents, for example, the work from the start to the stop of the engine of the work vehicle 30. The work type represents the type of work performed in the field, such as tillage, leveling, sprinkling of original fertilizer, and planting. The operation information includes information indicating the state of the work vehicle 30 when working in the field, for example, the speed of the work vehicle 30, the steering angle, the engine speed, the ON / OFF status of various clutches, and the work vehicle 30. Includes information indicating the position information of each time, work period, and the like. When the work vehicle 30 is a vehicle that pulls the work machine, for example, a tractor, the operation information includes the PTO (power take-off) rotation speed when transmitting power to the work machine, the hitch height indicating the attitude of the work machine, and the like. Information such as the lift arm angle may be included.
　作業情報管理装置１００は、格納した作業領域を表す情報に基づき、同じ作業が行われたと推定される作業をグループ化して、同じグループに含まれる作業の作業種別が同じ作業種別であるように、作業種別を保持する。例えば、作業種別が変更されると、作業情報管理装置１００は、作業種別が変更された作業と同じグループに含まれる作業の作業種別を同じ作業種別に変更する。 The work information management device 100 groups works that are presumed to have performed the same work based on the information representing the stored work area, so that the work types of the work included in the same group are the same work type. Hold the work type. For example, when the work type is changed, the work information management device 100 changes the work type of the work included in the same group as the work whose work type is changed to the same work type.
　これにより、ユーザは、１つの作業の作業種別を変更することで、同じグループに含まれる１以上の作業の作業種別を変更することができる。 As a result, the user can change the work type of one or more works included in the same group by changing the work type of one work.
　作業情報管理装置１００の構成を説明する。作業情報管理装置１００は、入出力装置１１０と、演算装置１２０と、通信装置１３０と、記憶装置１４０とを備える。作業情報管理装置１００は、例えば、コンピュータである。入出力装置１１０には、演算装置１２０が処理を実行するための情報が入力される。また、入出力装置１１０は、演算装置１２０が処理を実行した結果を出力する。入出力装置１１０は、様々な入力装置と出力装置とを含み、例えば、キーボード、マウス、マイク、ディスプレイ、スピーカー、タッチパネルなどを含む。入出力装置１１０は省略されてもよい。 The configuration of the work information management device 100 will be described. The work information management device 100 includes an input / output device 110, an arithmetic unit 120, a communication device 130, and a storage device 140. The work information management device 100 is, for example, a computer. Information for the arithmetic unit 120 to execute the process is input to the input / output device 110. Further, the input / output device 110 outputs the result of the processing executed by the arithmetic unit 120. The input / output device 110 includes various input devices and output devices, and includes, for example, a keyboard, a mouse, a microphone, a display, a speaker, a touch panel, and the like. The input / output device 110 may be omitted.
　通信装置１３０は、ネットワーク２０に電気的に接続され、ネットワーク２０を介して各々の装置との通信を行う。通信装置１３０は、作業車両３０から取得する稼働情報を演算装置１２０に転送する。また、演算装置１２０が生成した信号を端末２００に転送する。通信装置１３０は、例えば、ＮＩＣ（Network　Interface　Card）、ＵＳＢ（Universal　Serial Bus）などの種々のインタフェースを含む。 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 the operation information acquired from the work vehicle 30 to the arithmetic unit 120. Further, the signal generated by the arithmetic unit 120 is transferred to the terminal 200. The communication device 130 includes various interfaces such as NIC (Network Interface Card) and USB (Universal Serial Bus).
　記憶装置１４０は、作業をグループ化するための様々なデータ、例えば作業データ３００と、作業情報管理プログラム４００とを格納する。記憶装置１４０は、作業情報管理プログラム４００を記憶する非一時的記憶媒体（non-transitory　tangible　storage　medium）として用いられる。作業情報管理プログラム４００は、コンピュータ読み取り可能な記憶媒体１に記録されたコンピュータプログラム製品(computer　program　product)として提供されてもよく、または、サーバからダウンロード可能なコンピュータプログラム製品として提供されてもよい。 The storage device 140 stores various data for grouping work, for example, work data 300 and work information management program 400. The storage device 140 is used as a non-transitory tangible storage medium for storing the work information management program 400. The work information management program 400 may be provided as a computer program product recorded on a computer-readable storage medium 1, or may be provided as a computer program product that can be downloaded from a server.
　作業データ３００は、圃場の作業に関するデータ、例えば作業車両３０からの稼働情報から算出されるデータを含む。例えば、作業データ３００は、図２に示すように、作業ＩＤ３１０と、作業期間３２０を表す作業期間情報と、作業領域３３０を表す作業領域情報と、作業種別３４０を表す作業種別情報と、作業グループ３５０を表す作業グループ情報とを含む。作業ＩＤ３１０と、作業期間情報と、作業領域情報と、作業種別情報と、作業グループ情報とは、作業データ３００に関連付けて登録されている。作業ＩＤ３１０は、圃場で行われた作業の単位を区別するために用いられる識別子を表し、作業ごとに異なる値が割り当てられる。 The work data 300 includes data related to field work, for example, data calculated from operation information from the work vehicle 30. For example, as shown in FIG. 2, the work data 300 includes a work ID 310, work period information representing a work period 320, work area information representing a work area 330, work type information representing a work type 340, and a work group. Includes work group information representing 350. The work ID 310, the work period information, the work area information, the work type information, and the work group information are registered in association with the work data 300. The work ID 310 represents an identifier used to distinguish units of work performed in the field, and different values are assigned to each work.
　作業期間３２０は、圃場の作業を開始した時刻と終了した時刻とを表す。作業期間３２０は、例えば、作業車両３０が圃場に入った時刻と、圃場から出た時刻とを表す。また、作業期間３２０は、作業車両３０が起動、例えばエンジンが始動する時刻と、作業車両３０が停止、例えばエンジンが停止する時刻とを表してもよい。作業期間３２０は、圃場の作業が行われた期間を表す任意の形式を選択してもよい。 The work period 320 represents the time when the work in the field was started and the time when the work was finished. The work period 320 represents, for example, the time when the work vehicle 30 enters the field and the time when the work vehicle 30 leaves the field. Further, the work period 320 may represent a time when the work vehicle 30 starts, for example, the engine starts, and a time when the work vehicle 30 stops, for example, the engine stops. For the work period 320, any format may be selected that represents the period during which the work in the field was performed.
　作業領域３３０は、圃場の作業が行われた領域、例えば位置と形状とを表す。例えば、作業ＩＤ３１０が「ＯＰ０１」で示された「Ａ」は、図３に示すように、作業領域３３０Ａを表す。作業領域３３０Ａは、作業ＩＤ３１０が「ＯＰ０１」である作業が行われた領域であり、「ＯＰ０１」で示される作業期間３２０の期間に作業が行われた領域である。なお、図２において、作業ＩＤ３１０が「ＯＰ０２」で示された「Ｂ」は、図３の作業領域３３０Ｂを表す。同様に、「ＯＰ０３」で示された「Ｃ」は作業領域３３０Ｃを表し、「ＯＰ０４」で示された「Ｄ」は作業領域３３０Ｄを表し、「ＯＰ０５」で示された「Ｅ」は作業領域３３０Ｅを表す。作業領域３３０の一部は、他の作業領域３３０の一部と重なってもよい。例えば、作業領域３３０Ｂの一部は作業領域３３０Ａの一部に重なっており、作業領域３３０Ｂの他の一部は作業領域３３０Ｃの一部に重なっている。３以上の作業領域３３０の一部が互いに重なってもよい。 The work area 330 represents the area where the work in the field was performed, for example, the position and shape. For example, "A" whose work ID 310 is indicated by "OP01" represents a work area 330A as shown in FIG. The work area 330A is an area where the work whose work ID 310 is “OP01” is performed, and is an area where the work is performed during the work period 320 indicated by “OP01”. In FIG. 2, “B” whose work ID 310 is indicated by “OP02” represents the work area 330B in FIG. Similarly, "C" indicated by "OP03" represents a work area 330C, "D" indicated by "OP04" represents a work area 330D, and "E" indicated by "OP05" represents a work area. Represents 330E. A part of the work area 330 may overlap with a part of another work area 330. For example, a part of the work area 330B overlaps a part of the work area 330A, and another part of the work area 330B overlaps a part of the work area 330C. Part of three or more work areas 330 may overlap each other.
　作業種別３４０は、圃場で行われた作業の種類、例えば耕起、整地、施肥、植付などを表す。例えば、図２の作業データ３００の作業種別３４０は、作業ＩＤ３１０が「ＯＰ０１」で示された作業が「耕起」であることを表す。このため、作業データ３００は、「ＯＰ０１」に示された作業期間３２０が表す期間に、図３に示す作業領域３３０Ａにおいて「耕起」が行われたことを表す。作業データ３００は、同様に、「ＯＰ０２」に示された作業期間３２０が表す期間に作業領域３３０Ｂにおいて「耕起」が行われたことを表し、「ＯＰ０３」に示された作業期間３２０が表す期間に作業領域３３０Ｃにおいて「耕起」が行われたことを表す。また、作業データ３００は、「ＯＰ０４」に示された作業期間３２０が表す期間に作業領域３３０Ｄにおいて「耕起」が行われたことを表し、「ＯＰ０５」に示された作業期間３２０が表す期間に作業領域３３０Ｅにおいて「除草」が行われたことを表す。 Work type 340 represents the type of work performed in the field, such as tillage, leveling, fertilization, and planting. For example, the work type 340 of the work data 300 in FIG. 2 indicates that the work whose work ID 310 is indicated by "OP01" is "plow". Therefore, the work data 300 indicates that "plowing" was performed in the work area 330A shown in FIG. 3 during the period represented by the work period 320 shown in "OP01". Similarly, the work data 300 indicates that “plowing” was performed in the work area 330B during the period represented by the work period 320 indicated by “OP02”, and is represented by the work period 320 indicated by “OP03”. Indicates that "plowing" was performed in the work area 330C during the period. Further, the work data 300 indicates that "plowing" was performed in the work area 330D during the period represented by the work period 320 shown in "OP04", and the period represented by the work period 320 shown in "OP05". Indicates that "weeding" was performed in the work area 330E.
　作業グループ３５０は、同じ作業が行われたと推定される作業のグループを表す識別子である。同じ作業が行われたと推定される作業に対応する作業グループ３５０には、同じ識別子が設定される。図２に示す例では、「ＯＰ０１」～「ＯＰ０４」に示された作業に対応する作業グループ３５０が同じ値「１」を表し、「ＯＰ０１」～「ＯＰ０４」に示された作業が同じグループに属する。ここで、同じグループに属する１以上の作業を作業群と呼ぶ場合がある。 The work group 350 is an identifier that represents a group of work that is presumed to have performed the same work. The same identifier is set in the work group 350 corresponding to the work in which the same work is presumed to have been performed. In the example shown in FIG. 2, the work group 350 corresponding to the work shown in "OP01" to "OP04" represents the same value "1", and the work shown in "OP01" to "OP04" is in the same group. Belong. Here, one or more works belonging to the same group may be referred to as a work group.
　作業データ３００は、図１に示す演算装置１２０に読み出され、作業をグループ化するための様々なデータ処理に使用される。演算装置１２０は、作業情報管理プログラム４００を記憶装置１４０から読み出し実行して、作業データ３００に基づき作業をグループ化する。例えば、演算装置１２０は、中央演算処理装置（ＣＰＵ；Central　Processing　Unit）などを含む。 The work data 300 is read out by the arithmetic unit 120 shown in FIG. 1 and used for various data processing for grouping the work. The arithmetic unit 120 reads and executes the work information management program 400 from the storage device 140, and groups the work based on the work data 300. For example, the arithmetic unit 120 includes a central processing unit (CPU; Central Processing Unit) and the like.
　演算装置１２０は、作業情報管理プログラム４００を読み出し実行することで、図４に示すように、作業をグループ化するための様々なデータ処理を実行する作業登録部１５０と、作業種別推定部１６０と、グループ決定部１７０と、応答部１８０とを実現する。作業登録部１５０は、作業車両３０から得られた稼働情報に基づき、作業領域３３０を算出して、算出した作業領域３３０を表す作業領域情報を新たな作業として作業データ３００に登録する。作業種別推定部１６０は、作業車両３０から得られた稼働情報に基づき、作業種別３４０を推定して、推定した作業種別３４０を表す作業種別情報を登録された作業と関連付けて作業データ３００に登録する。グループ決定部１７０は、作業データ３００に基づき、作業データ３００に登録された作業をグループ化する。応答部１８０は、端末２００の表示部２５０からの要求に応じて、作業データ３００を送信または変更する。 As shown in FIG. 4, the arithmetic unit 120 has a work registration unit 150 and a work type estimation unit 160 that execute various data processes for grouping the work by reading and executing the work information management program 400. , The group determination unit 170 and the response unit 180 are realized. The work registration unit 150 calculates the work area 330 based on the operation information obtained from the work vehicle 30, and registers the work area information representing the calculated work area 330 in the work data 300 as new work. The work type estimation unit 160 estimates the work type 340 based on the operation information obtained from the work vehicle 30, and registers the work type information representing the estimated work type 340 in the work data 300 in association with the registered work. do. The group determination unit 170 groups the works registered in the work data 300 based on the work data 300. The response unit 180 transmits or changes the work data 300 in response to a request from the display unit 250 of the terminal 200.
　次に、端末２００の構成を説明する。端末２００は、図１に示すように、入出力装置２１０と、演算装置２２０と、通信装置２３０と、記憶装置２４０とを備える。端末２００は、例えば、コンピュータ、タブレット、携帯電話などを含む。入出力装置２１０には、演算装置２２０が処理を実行するための情報が入力される。また、入出力装置２１０は、演算装置２２０が処理を実行した結果を出力する。入出力装置２１０は、様々な入力装置と出力装置とを含み、例えば、キーボード、マウス、マイク、ディスプレイ、スピーカー、タッチパネルなどを含む。 Next, the configuration of the terminal 200 will be described. As shown in FIG. 1, the terminal 200 includes an input / output device 210, an arithmetic unit 220, a communication device 230, and a storage device 240. The terminal 200 includes, for example, a computer, a tablet, a mobile phone, and the like. Information for the arithmetic unit 220 to execute the process is input to the input / output device 210. Further, the input / output device 210 outputs the result of the processing executed by the arithmetic unit 220. The input / output device 210 includes various input devices and output devices, and includes, for example, a keyboard, a mouse, a microphone, a display, a speaker, a touch panel, and the like.
　通信装置２３０は、ネットワーク２０に電気的に接続され、ネットワーク２０を介して各々の装置との通信を行う。通信装置２３０は、作業情報管理装置１００から取得する作業データ３００に含まれる情報を演算装置２２０に転送する。また、演算装置２２０が生成した信号を作業情報管理装置１００に転送する。通信装置２３０は、例えば、ＮＩＣ（Network　Interface　Card）、ＵＳＢ（Universal　Serial　Bus）などの種々のインタフェースを含む。 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 the information included in the work data 300 acquired from the work information management device 100 to the arithmetic unit 220. Further, the signal generated by the arithmetic unit 220 is transferred to the work information management device 100. The communication device 230 includes various interfaces such as NIC (Network Interface Card) and USB (Universal Serial Bus).
　記憶装置２４０は、作業情報管理装置１００に登録されている作業データ３００を変更するための様々なデータ、例えば表示プログラム５００を格納する。記憶装置２４０は、表示プログラム５００を記憶する非一時的記憶媒体（non-transitory　tangible　storage　medium）として用いられる。表示プログラム５００は、コンピュータ読み取り可能な記憶媒体２に記録されたコンピュータプログラム製品(computer　program　product)として提供されてもよく、または、サーバからダウンロード可能なコンピュータプログラム製品として提供されてもよい。表示プログラム５００は、記憶媒体１に記録されて提供されてもよい。 The storage device 240 stores various data for changing the work data 300 registered in the work information management device 100, for example, a display program 500. The storage device 240 is used as a non-transitory tangible storage medium for storing the display program 500. The display program 500 may be provided as a computer program product recorded on a computer-readable storage medium 2, or may be provided as a computer program product that can be downloaded from a server. The display program 500 may be recorded and provided on the storage medium 1.
　演算装置２２０は、表示プログラム５００を読み出し実行することで、図４に示すように、作業情報管理装置１００に格納された作業データ３００の情報を表示する表示部２５０を実現する。表示部２５０は、作業情報管理装置１００に格納された作業データ３００の情報を取得して、作業データ３００に登録された情報を表示する。また、表示部２５０は、ユーザの操作により、作業データ３００に登録された情報を更新する。 The arithmetic unit 220 realizes the display unit 250 that displays the information of the work data 300 stored in the work information management device 100, as shown in FIG. 4, by reading and executing the display program 500. The display unit 250 acquires the information of the work data 300 stored in the work information management device 100 and displays the information registered in the work data 300. Further, the display unit 250 updates the information registered in the work data 300 by the operation of the user.
（作業情報管理装置の動作）
　作業情報管理装置１００の演算装置１２０は、作業車両３０から稼働情報を受信すると、作業情報管理プログラム４００を読み出し実行する。作業情報管理プログラム４００を実行することで、演算装置１２０は、作業登録部１５０と作業種別推定部１６０とグループ決定部１７０とにより、図５に示す処理を実行する。 (Operation of work information management device)
When the arithmetic unit 120 of the work information management device 100 receives the operation information from the work vehicle 30, the arithmetic unit 120 reads and executes the work information management program 400. By executing the work information management program 400, the arithmetic unit 120 executes the process shown in FIG. 5 by the work registration unit 150, the work type estimation unit 160, and the group determination unit 170.
　ステップＳ１００において、作業登録部１５０は、作業車両３０から受信される稼働情報に基づき、作業期間３２０を決定する。例えば、作業登録部１５０は、作業車両３０が起動された時刻から作業車両３０が停止された時刻までを作業期間３２０として決定する。また、作業登録部１５０は、作業車両３０の作業を開始する時刻と終了する時刻と、例えば作業車両３０に牽引される作業機械が駆動する時刻と停止する時刻とに基づき、作業期間３２０を決定してもよい。作業登録部１５０は、受信された稼働情報に対応する作業に新たな作業ＩＤ３１０を付与し、決定した作業期間３２０を付与した作業ＩＤ３１０に関連付けて新たな作業として作業データ３００に登録する。 In step S100, the work registration unit 150 determines the work period 320 based on the operation information received from the work vehicle 30. For example, the work registration unit 150 determines the work period 320 from the time when the work vehicle 30 is started to the time when the work vehicle 30 is stopped. Further, the work registration unit 150 determines the work period 320 based on the time when the work of the work vehicle 30 starts and ends, and the time when the work machine towed by the work vehicle 30 is driven and stopped, for example. You may. The work registration unit 150 assigns a new work ID 310 to the work corresponding to the received operation information, and registers it in the work data 300 as a new work in association with the work ID 310 to which the determined work period 320 is assigned.
　ステップＳ１１０において、作業登録部１５０は、決定した作業期間３２０における作業車両３０の位置情報に基づき、作業領域３３０を決定する。作業車両３０は、測位装置、例えばＧＮＳＳ（Global　Navigation　Satellite　System）の受信機を備え、作業期間３２０に移動した各時刻の位置を表す位置情報を取得する。取得した位置情報は、作業車両３０から作業情報管理装置１００の演算装置１２０に伝達される。演算装置１２０で実現される作業登録部１５０は、取得した位置情報に基づき、作業領域３３０を決定する。例えば、作業領域３３０は、取得した位置情報に表される位置を含む任意の閉じた図形、例えば多角形、矩形などで表される。例えば、作業領域３３０は、取得した位置情報に表される位置をすべて囲むような図形で表される。作業登録部１５０は、決定した作業領域３３０を作業ＩＤ３１０と関連付けて作業データ３００に登録する。これにより、作業領域３３０は、ステップＳ１００で決定した作業期間３２０に関連付けられる。 In step S110, the work registration unit 150 determines the work area 330 based on the position information of the work vehicle 30 in the determined work period 320. The work vehicle 30 is equipped with a positioning device, for example, a receiver of a GNSS (Global Navigation Satellite System), and acquires position information indicating the position at each time when the work period 320 is reached. The acquired position information is transmitted from the work vehicle 30 to the arithmetic unit 120 of the work information management device 100. The work registration unit 150 realized by the arithmetic unit 120 determines the work area 330 based on the acquired position information. For example, the work area 330 is represented by an arbitrary closed figure including a position represented by the acquired position information, such as a polygon or a rectangle. For example, the work area 330 is represented by a figure that surrounds all the positions represented by the acquired position information. The work registration unit 150 associates the determined work area 330 with the work ID 310 and registers it in the work data 300. As a result, the work area 330 is associated with the work period 320 determined in step S100.
　ステップＳ１２０において、作業種別推定部１６０は、作業車両３０から受信される稼働情報に基づき、作業種別３４０を推定する。例えば、作業種別推定部１６０は、作業種別３４０を、作業車両３０の機種に基づき算出してもよい。この場合、記憶装置１４０は、作業車両３０の機種と、作業種別３４０に表される作業とを関連付ける作業対応データを格納する。作業種別推定部１６０は、作業対応データに基づき、作業種別３４０を推定する。また、作業種別推定部１６０は、機械学習により得られた学習済みモデルを用いて、作業種別３４０を推定してもよい。この場合、学習済みモデルは、稼働情報から作業種別３４０を推定するように、学習されている。 In step S120, the work type estimation unit 160 estimates the work type 340 based on the operation information received from the work vehicle 30. For example, the work type estimation unit 160 may calculate the work type 340 based on the model of the work vehicle 30. In this case, the storage device 140 stores work correspondence data associating the model of the work vehicle 30 with the work represented by the work type 340. The work type estimation unit 160 estimates the work type 340 based on the work correspondence data. Further, the work type estimation unit 160 may estimate the work type 340 using the trained model obtained by machine learning. In this case, the trained model is trained to estimate the work type 340 from the operation information.
　作業種別推定部１６０は、推定した作業種別３４０を作業ＩＤ３１０と関連付けて作業データ３００に登録する。これにより、作業種別３４０は、ステップＳ１００で決定した作業期間３２０と、ステップＳ１１０で決定した作業領域３３０とに関連付けられる。例えば、図６に示すように、作業データ３００は、作業ごとに、作業期間３２０と作業領域３３０と作業種別３４０とを関連付けて保持する。 The work type estimation unit 160 associates the estimated work type 340 with the work ID 310 and registers it in the work data 300. As a result, the work type 340 is associated with the work period 320 determined in step S100 and the work area 330 determined in step S110. For example, as shown in FIG. 6, the work data 300 holds the work period 320, the work area 330, and the work type 340 in association with each other for each work.
　図５に示すステップＳ１３０において、グループ決定部１７０は、決定された作業領域３３０に基づき、新たな作業と、作業データ３００に登録された作業との類似度を算出する。グループ決定部１７０は、作業データ３００から抽出条件を満たす１以上の作業の集合である作業群を抽出する。例えば、グループ決定部１７０は、作業データ３００から新たな作業と同じ作業種別３４０を表す１以上の作業の集合である作業群を抽出する。グループ決定部１７０は、新たな作業の作業領域３３０から抽出した各作業の作業領域３３０までの距離を用いて類似度を算出する。例えば、類似度は、距離の逆数でもよい。２つの作業領域３３０の間の距離を算出する方法は、任意に選択することができる。例えば、この距離は、２つの作業領域３３０の任意の位置の間の距離のうち最小となる距離でもよく、２つの作業領域３３０の幾何中心間の距離でもよい。また、この距離は、２点間の距離を算出する任意の方法、例えばユークリッド距離、マンハッタン距離などを選択してもよい。 In step S130 shown in FIG. 5, the group determination unit 170 calculates the degree of similarity between the new work and the work registered in the work data 300 based on the determined work area 330. The group determination unit 170 extracts a work group which is a set of one or more works satisfying the extraction condition from the work data 300. For example, the group determination unit 170 extracts a work group which is a set of one or more works representing the same work type 340 as the new work from the work data 300. The group determination unit 170 calculates the similarity using the distance from the work area 330 of the new work to the work area 330 of each work. For example, the similarity may be the reciprocal of the distance. The method of calculating the distance between the two work areas 330 can be arbitrarily selected. For example, this distance may be the smallest of the distances between arbitrary positions of the two work areas 330, or may be the distance between the geometric centers of the two work areas 330. Further, for this distance, any method for calculating the distance between two points, for example, the Euclidean distance, the Manhattan distance, or the like may be selected.
　ステップＳ１４０において、グループ決定部１７０は、算出された類似度に基づき、新たな作業のグループを決定する。グループ決定部１７０は、作業群のうち、作業データ３００から算出された類似度が最も大きい値の作業を選択する。選択した作業の類似度が所定の閾値より大きいとき、新たな作業は、作業データ３００から選択された作業のグループに属すると判定される。グループ決定部１７０は、新たな作業が選択された作業のグループに属すると判定すると、図２に示す作業データ３００の作業グループ３５０に選択された作業のグループと同じ値を登録する。選択した作業の類似度が所定の閾値以下であるとき、グループ決定部１７０は、新たな作業が作業データ３００に登録されたグループに属しないと判定する。この場合、グループ決定部１７０は、作業データ３００に登録されたグループに使用されていない新たな値を作業グループ３５０に登録する。 In step S140, the group determination unit 170 determines a new work group based on the calculated similarity. The group determination unit 170 selects the work having the highest similarity calculated from the work data 300 from the work group. When the similarity of the selected work is greater than a predetermined threshold, the new work is determined to belong to the group of work selected from the work data 300. When the group determination unit 170 determines that the new work belongs to the selected work group, the group determination unit 170 registers the same value as the selected work group in the work group 350 of the work data 300 shown in FIG. When the similarity of the selected work is equal to or less than a predetermined threshold value, the group determination unit 170 determines that the new work does not belong to the group registered in the work data 300. In this case, the group determination unit 170 registers a new value not used in the group registered in the work data 300 in the work group 350.
　例えば、図３に示す例の場合、作業領域３３０Ｂは、最も近い作業領域３３０Ａとの距離が小さいため、作業領域３３０Ａと同じグループとして作業データ３００に登録される。作業領域３３０Ｃは、最も近い作業領域３３０Ｂとの距離が小さいため、作業領域３３０Ｂと同じグループとして作業データ３００に登録される。作業領域３３０Ｄは、最も近い作業領域３３０Ｂとの距離が小さいため、作業領域３３０Ｂと同じグループとして作業データ３００に登録される。作業領域３３０Ｅは、同じ作業種別３４０を表す作業が作業データ３００に含まれていないため、新たなグループとして作業データ３００に登録される。このように、グループ決定部１７０は、図２に示すように、作業領域３３０Ａ～作業領域３３０Ｄに対応する作業を表す「ＯＰ０１」～「ＯＰ０４」の作業グループ３５０に同じ値「１」を登録する。また、グループ決定部１７０は、作業領域３３０Ｅに対応する作業を表す「ＯＰ０５」に、「ＯＰ０１」～「ＯＰ０４」の作業グループ３５０と異なる値「２」を登録する。 For example, in the case of the example shown in FIG. 3, since the work area 330B has a small distance from the nearest work area 330A, it is registered in the work data 300 as the same group as the work area 330A. Since the work area 330C has a small distance from the nearest work area 330B, it is registered in the work data 300 as the same group as the work area 330B. Since the work area 330D has a small distance from the nearest work area 330B, it is registered in the work data 300 as the same group as the work area 330B. The work area 330E is registered in the work data 300 as a new group because the work representing the same work type 340 is not included in the work data 300. As described above, as shown in FIG. 2, the group determination unit 170 registers the same value "1" in the work group 350 of "OP01" to "OP04" representing the work corresponding to the work area 330A to the work area 330D. .. Further, the group determination unit 170 registers a value "2" different from the work group 350 of "OP01" to "OP04" in "OP05" representing the work corresponding to the work area 330E.
　このように、作業情報管理装置１００は、作業車両３０から受信する稼働情報に基づき、作業をグループ化することができる。 In this way, the work information management device 100 can group work based on the operation information received from the work vehicle 30.
（作業データを変更する動作）
　端末２００の演算装置２２０は、ユーザの操作に応じて、作業情報管理装置１００に登録されている作業データ３００を変更する。演算装置２２０は、ユーザの操作に応じて、表示プログラム５００を読み出し実行する。表示プログラム５００を実行することで、演算装置２２０は、表示部２５０により図７に示すステップＳ２００を実行する。作業情報管理装置１００の演算装置１２０は、表示部２５０からの要求に応じて、作業情報管理プログラム４００を実行し、応答部１８０によりステップＳ２１０を実行する。 (Operation to change work data)
The arithmetic unit 220 of the terminal 200 changes the work data 300 registered in the work information management device 100 according to the operation of the user. The arithmetic unit 220 reads out and executes the display program 500 according to the operation of the user. By executing the display program 500, the arithmetic unit 220 executes step S200 shown in FIG. 7 by the display unit 250. The arithmetic unit 120 of the work information management device 100 executes the work information management program 400 in response to a request from the display unit 250, and the response unit 180 executes step S210.
　ステップＳ２００において、端末２００の表示部２５０は、作業情報管理装置１００から作業データ３００を取得して、取得した作業データ３００を表示する。最初に、表示部２５０は、ユーザの操作に応じて、作業情報管理装置１００に作業データ３００を要求するデータ要求信号を生成する。作業情報管理装置１００の応答部１８０は、データ要求信号に基づき、作業データ３００を表すデータ出力信号を生成する。端末２００の表示部２５０は、データ出力信号から作業データ３００を抽出し、作業データ３００を端末２００の入出力装置１１０に表示する。 In step S200, the display unit 250 of the terminal 200 acquires the work data 300 from the work information management device 100 and displays the acquired work data 300. First, the display unit 250 generates a data request signal requesting the work data 300 from the work information management device 100 in response to the user's operation. The response unit 180 of the work information management device 100 generates a data output signal representing the work data 300 based on the data request signal. The display unit 250 of the terminal 200 extracts the work data 300 from the data output signal and displays the work data 300 on the input / output device 110 of the terminal 200.
　例えば、表示部２５０は、図８に示すように、作業データ３００に含まれる作業領域３３０を表す領域を地図上に示した画像を表示する。入出力装置２１０が１つの作業領域３３０を選択するユーザの操作を受け付けると、表示部２５０は、選択された作業領域３３０に対応する作業期間３２０の作業期間情報と、作業種別３４０の作業種別情報とを表示する。また、表示部２５０は、選択された作業領域３３０と同じグループに属する作業を、他の作業と区別する画像を表示する。例えば、表示部２５０は、選択された作業領域３３０と同じグループに属する作業領域３３０を表す領域を強調する画像を表示する。例えば、ユーザが作業領域３３０Ａを選択すると、表示部２５０は、作業領域３３０Ａと同じグループに属する作業領域３３０Ａ～作業領域３３０Ｄを表す領域を強調表示する。 For example, as shown in FIG. 8, the display unit 250 displays an image showing an area representing the work area 330 included in the work data 300 on a map. When the input / output device 210 receives the operation of the user who selects one work area 330, the display unit 250 displays the work period information of the work period 320 corresponding to the selected work area 330 and the work type information of the work type 340. And are displayed. Further, the display unit 250 displays an image that distinguishes the work belonging to the same group as the selected work area 330 from other work. For example, the display unit 250 displays an image that emphasizes an area representing a work area 330 that belongs to the same group as the selected work area 330. For example, when the user selects the work area 330A, the display unit 250 highlights the areas representing the work areas 330A to the work area 330D that belong to the same group as the work area 330A.
　ユーザは、１つの作業領域３３０に対応する作業種別３４０の作業種別情報を変更することができる。入出力装置２１０が作業種別情報を変更する操作を受け付けると、表示部２５０は、変更を受け付けた作業種別情報に対応する作業ＩＤ３１０と、変更後の作業種別情報とを表す変更要求信号を生成する。例えば、ユーザは、作業領域３３０Ｂに対応する作業種別情報を「整地」に変更する操作を行う。このとき、表示部２５０は、作業領域３３０Ｂに対応する作業ＩＤ３１０を示す「ＯＰ０２」と、変更後の作業種別情報を示す「整地」とを表す変更要求信号を生成する。 The user can change the work type information of the work type 340 corresponding to one work area 330. When the input / output device 210 receives an operation for changing the work type information, the display unit 250 generates a change request signal representing the work ID 310 corresponding to the work type information for which the change has been accepted and the changed work type information. .. For example, the user performs an operation of changing the work type information corresponding to the work area 330B to "leveling". At this time, the display unit 250 generates a change request signal representing "OP02" indicating the work ID 310 corresponding to the work area 330B and "leveling" indicating the changed work type information.
　ステップＳ２１０において、作業情報管理装置１００の応答部１８０は、変更要求信号に基づき、作業データ３００の作業種別３４０に登録された作業種別情報を変更する。応答部１８０は、端末２００の表示部２５０から受信する変更要求信号から作業ＩＤ３１０の値と作業種別３４０の作業種別情報とを抽出する。応答部１８０は、抽出した作業ＩＤ３１０の値に対応する作業種別情報を、変更要求信号から抽出した作業種別情報に変更する。例えば、応答部１８０は、作業ＩＤ３１０の「ＯＰ０２」と作業種別３４０の「整地」とを表す変更要求信号を受信すると、図９に示すように、変更要求信号に表された「ＯＰ０２」に対応する作業種別３４０の作業種別情報を「整地」に変更する。 In step S210, the response unit 180 of the work information management device 100 changes the work type information registered in the work type 340 of the work data 300 based on the change request signal. The response unit 180 extracts the value of the work ID 310 and the work type information of the work type 340 from the change request signal received from the display unit 250 of the terminal 200. The response unit 180 changes the work type information corresponding to the value of the extracted work ID 310 to the work type information extracted from the change request signal. For example, when the response unit 180 receives the change request signal representing "OP02" of the work ID 310 and "leveling" of the work type 340, the response unit 180 corresponds to "OP02" represented by the change request signal as shown in FIG. The work type information of the work type 340 to be performed is changed to "leveling".
　また、応答部１８０は、変更要求信号に表された作業ＩＤ３１０と同じグループに属する作業の作業種別情報を変更する。具体的には、応答部１８０は、変更要求信号に表された作業ＩＤ３１０に対応する作業グループ３５０を、作業データ３００から抽出する。応答部１８０は、抽出した作業グループ３５０と同じ値の作業グループ３５０を有する作業ＩＤ３１０を抽出する。抽出した作業ＩＤ３１０の作業種別情報を、応答部１８０は変更要求信号に表された作業種別情報に変更する。例えば、応答部１８０は、図９に示すように、「ＯＰ０２」に対応する作業グループ３５０の値「１」を取得する。応答部１８０は、作業グループ３５０が「１」である作業ＩＤ３１０を抽出し、同じグループの属する「ＯＰ０１」～「ＯＰ０４」を取得する。応答部１８０は、取得した「ＯＰ０１」～「ＯＰ０４」の作業種別情報を、変更要求信号に表された「整地」に変更する。 Further, the response unit 180 changes the work type information of the work belonging to the same group as the work ID 310 represented by the change request signal. Specifically, the response unit 180 extracts the work group 350 corresponding to the work ID 310 represented by the change request signal from the work data 300. The response unit 180 extracts the work ID 310 having the work group 350 having the same value as the extracted work group 350. The response unit 180 changes the extracted work type information of the work ID 310 to the work type information represented by the change request signal. For example, as shown in FIG. 9, the response unit 180 acquires the value “1” of the work group 350 corresponding to “OP02”. The response unit 180 extracts the work ID 310 to which the work group 350 is "1" and acquires "OP01" to "OP04" to which the same group belongs. The response unit 180 changes the acquired work type information of "OP01" to "OP04" to "leveling" represented by the change request signal.
　このように、ユーザは、グループ化された作業のうちの１つの作業種別情報を変更することで、同じグループの属する作業の作業種別情報も変更することができる。 In this way, the user can also change the work type information of the work to which the same group belongs by changing the work type information of one of the grouped work.
（変形例）
　実施の形態において説明した構成は一例であり、機能を阻害しない範囲で構成を変更することができる。作業情報管理装置１００は、ユーザの操作により、一度決定した作業グループ３５０を変更してもよい。例えば、ユーザは、端末２００の入出力装置２１０に、１つの作業領域３３０を選択し、選択した作業領域３３０の作業グループ３５０を変更することを入出力装置２１０に入力する。表示部２５０は、ユーザの入力に基づき、変更を受け付けた作業グループ３５０に対応する作業ＩＤ３１０と、変更後の作業グループ３５０の値とを表す変更要求信号を生成する。例えば、ユーザは、作業領域３３０Ｄに対応する作業グループ３５０を「２」に変更する操作を行う。このとき、表示部２５０は、作業領域３３０Ｄに対応する作業ＩＤ３１０を示す「ＯＰ０４」と、変更後の作業グループ３５０を示す「２」とを表す変更要求信号を生成する。 (Modification example)
The configuration described in the embodiment is an example, and the configuration can be changed as long as the function is not impaired. The work information management device 100 may change the work group 350 once determined by the operation of the user. For example, the user inputs to the input / output device 210 that the input / output device 210 of the terminal 200 selects one work area 330 and changes the work group 350 of the selected work area 330. Based on the input of the user, the display unit 250 generates a change request signal representing the work ID 310 corresponding to the work group 350 that has received the change and the value of the work group 350 after the change. For example, the user performs an operation of changing the work group 350 corresponding to the work area 330D to “2”. At this time, the display unit 250 generates a change request signal representing "OP04" indicating the work ID 310 corresponding to the work area 330D and "2" indicating the changed work group 350.
　作業情報管理装置１００の応答部１８０は、端末２００の表示部２５０から変更要求信号を受信して、変更が要求された作業ＩＤ３１０の作業グループ３５０を変更する。具体的には、応答部１８０は、変更要求信号から作業ＩＤ３１０の値と作業グループ３５０の値とを抽出する。応答部１８０は、抽出した作業ＩＤ３１０の値に対応する作業グループ３５０を、抽出した作業グループ３５０の値に変更する。例えば、応答部１８０は、作業ＩＤ３１０の「ＯＰ０４」と作業グループ３５０の「２」とを表す変更要求信号を受信すると、変更要求信号に表された「ＯＰ０４」に対応する作業グループ３５０を「２」に変更する。 The response unit 180 of the work information management device 100 receives the change request signal from the display unit 250 of the terminal 200, and changes the work group 350 of the work ID 310 for which the change is requested. Specifically, the response unit 180 extracts the value of the work ID 310 and the value of the work group 350 from the change request signal. The response unit 180 changes the work group 350 corresponding to the value of the extracted work ID 310 to the value of the extracted work group 350. For example, when the response unit 180 receives the change request signal representing "OP04" of the work ID 310 and "2" of the work group 350, the response unit 180 sets the work group 350 corresponding to "OP04" represented by the change request signal to "2". To change to.
　作業情報管理装置１００のグループ決定部１７０は、２つの作業領域３３０の距離に基づき類似度を算出する例を示したが、これに限定されない。グループ決定部１７０は、同じ作業が行われているかを表す任意の指標値を選択してもよい。例えば、類似度は、１つの作業領域３３０と、同じグループに属する作業の集まりである作業群の作業領域３３０とに基づき、算出されてもよい。この場合の一例として、グループ決定部１７０は、作業群と他の作業領域３３０とのマハラノビス距離を類似度として使用してもよい。同じグループに属する作業群の作業領域３３０の各幾何中心について、グループ決定部１７０は、作業群の平均位置と分散値とを算出する。グループ決定部１７０は、算出した作業群の平均位置と分散値とに基づき、作業群と他の作業領域３３０の幾何中心とのマハラノビス距離を算出し、算出したマハラノビス距離を類似度として使用する。 The group determination unit 170 of the work information management device 100 has shown an example of calculating the similarity based on the distance between the two work areas 330, but the present invention is not limited to this. The group determination unit 170 may select an arbitrary index value indicating whether the same work is being performed. For example, the similarity may be calculated based on one work area 330 and a work area 330 of a work group that is a group of work belonging to the same group. As an example in this case, the group determination unit 170 may use the Mahalanobis distance between the work group and the other work area 330 as the degree of similarity. For each geometric center of the work area 330 of the work group belonging to the same group, the group determination unit 170 calculates the average position and the variance value of the work group. The group determination unit 170 calculates the Mahalanobis distance between the work group and the geometric center of the other work area 330 based on the calculated average position and dispersion value of the work group, and uses the calculated Mahalanobis distance as the similarity.
　グループ決定部１７０は、類似度の算出に作業データ３００に登録されている他の情報を用いてもよい。例えば、グループ決定部１７０は、２つの作業間の類似度を作業領域３３０と、作業期間３２０とに基づき算出してもよい。グループ決定部１７０は、２つの作業に対応する作業期間３２０の間の時間、例えば、先に行われた作業の作業終了時刻から後に行われた作業の作業開始時刻までの時間を使用してもよい。この場合、グループ決定部１７０は、作業領域３３０を表す次元数、例えば２次元に、作業期間３２０の間の時間の１次元を追加して、多次元での距離、例えば３次元での距離を用いて、２つの作業間の類似度を算出してもよい。また、グループ決定部１７０は、作業領域３３０の距離と、作業期間３２０の間の時間との２次元での距離を用いて、類似度を算出してもよい。また、類似度は、作業領域３３０の距離を用いずに、作業期間３２０を用いて算出されてもよい。 The group determination unit 170 may use other information registered in the work data 300 for calculating the similarity. For example, the group determination unit 170 may calculate the similarity between two works based on the work area 330 and the work period 320. The group determination unit 170 may use the time between the work periods 320 corresponding to the two works, for example, the time from the work end time of the earlier work to the work start time of the later work. good. In this case, the group determination unit 170 adds one dimension of time during the work period 320 to the number of dimensions representing the work area 330, for example, two dimensions, to obtain a multidimensional distance, for example, a three-dimensional distance. It may be used to calculate the similarity between two operations. Further, the group determination unit 170 may calculate the similarity by using the two-dimensional distance between the distance of the work area 330 and the time during the work period 320. Further, the similarity may be calculated by using the working period 320 without using the distance of the working area 330.
　また、グループ決定部１７０は、２つの作業間に対応する作業領域３３０と、作業種別３４０とに基づき類似度を算出してもよい。例えば、作業種別推定部１６０が確信度を用いて作業種別３４０を推定するとき、類似度は、算出された確信度を用いて算出されてもよい。グループ決定部１７０は、作業領域３３０を表す次元数に、確信度の差を表す１次元を追加して、多次元での距離を用いて２つの作業間の類似度を算出する。また、記憶装置１４０が異なる２つの作業種別３４０の類似性を表す類似表を格納し、グループ決定部１７０は、記憶装置１４０に格納された類似表を用いて、作業種別３４０の類似性を使用して類似度を算出してもよい。推定した作業種別３４０の確からしさを表す確信度を用いて類似度を算出することで、グループ決定部１７０は、変更する可能性が同程度の作業をグループ化し得る。なお、確信度は、作業種別情報に含まれてもよい。 Further, the group determination unit 170 may calculate the similarity based on the work area 330 corresponding between the two works and the work type 340. For example, when the work type estimation unit 160 estimates the work type 340 using the certainty, the similarity may be calculated using the calculated certainty. The group determination unit 170 adds one dimension representing the difference in certainty to the number of dimensions representing the work area 330, and calculates the similarity between the two tasks using the multidimensional distance. Further, the storage device 140 stores a similarity table showing the similarity between two different work types 340, and the group determination unit 170 uses the similarity table of the work type 340 by using the similarity table stored in the storage device 140. And the degree of similarity may be calculated. By calculating the similarity using the certainty that represents the certainty of the estimated work type 340, the group determination unit 170 can group the work that is likely to be changed. The degree of certainty may be included in the work type information.
　グループ決定部１７０は、作業種別推定部１６０が確信度を用いて作業種別３４０を推定するとき、確信度が高い作業をグループから除外してもよい。例えば、図５に示すステップＳ１３０において、グループ決定部１７０は、最初に、グループに分類する対象である新たな作業の確信度が所定の閾値より大きいとき、ステップＳ１３０を終了して、ステップＳ１４０を省略する。これにより、確信度が高い作業をグループから除外する。また、グループ化を行う作業の確信度が所定の閾値以下のとき、前述のステップＳ１３０に示す処理を開始する。ここで、グループ決定部１７０は、抽出条件に基づき、新たな作業との類似度を算出する作業を抽出する。この抽出条件は、作業の確信度が所定の閾値以下であることを含む。このように、グループ決定部１７０が確信度の高い作業をグループから除外することで、ユーザが他の作業の作業種別３４０を変更することで、確信度の高い作業が変更されることを軽減することができる。 When the work type estimation unit 160 estimates the work type 340 using the certainty, the group determination unit 170 may exclude the work with high certainty from the group. For example, in step S130 shown in FIG. 5, when the certainty of new work to be classified into a group is greater than a predetermined threshold value, the group determination unit 170 first ends step S130 and performs step S140. Omit. This excludes tasks with high confidence from the group. Further, when the certainty of the grouping work is equal to or less than a predetermined threshold value, the process shown in step S130 described above is started. Here, the group determination unit 170 extracts the work of calculating the similarity with the new work based on the extraction conditions. This extraction condition includes that the certainty of work is equal to or less than a predetermined threshold. In this way, the group determination unit 170 excludes the work with high certainty from the group, so that the user changes the work type 340 of other work, thereby reducing the change of the work with high certainty. be able to.
　図５のステップＳ１４０において算出する類似度は、複数の次元を有してもよい。例えば、類似度は、作業領域３３０の間の距離と、作業期間３２０の間の時間と、作業種別３４０を推定するときの確信度の差との３次元を有してもよい。グループ決定部１７０は、類似度の各次元が所定の値より大きいときに作業をグループ化する。 The similarity calculated in step S140 of FIG. 5 may have a plurality of dimensions. For example, the similarity may have three dimensions: the distance between the work areas 330, the time between the work periods 320, and the difference in certainty when estimating the work type 340. The group determination unit 170 groups the work when each dimension of similarity is greater than a predetermined value.
　図５のステップＳ１３０における抽出条件は、類似する作業を抽出できれば、任意に選択することができる。例えば、抽出条件は、作業期間３２０が所定の期間に含まれることを含んでもよい。例えば、グループ決定部１７０は、グループを決定する作業の作業期間３２０と１週間以内に行われた作業を作業データ３００から抽出する。グループ決定部１７０は、抽出した作業と、グループを決定する作業との類似度を算出し、グループを決定する。 The extraction conditions in step S130 of FIG. 5 can be arbitrarily selected as long as similar operations can be extracted. For example, the extraction condition may include that the working period 320 is included in a predetermined period. For example, the group determination unit 170 extracts the work period 320 of the work for determining the group and the work performed within one week from the work data 300. The group determination unit 170 calculates the degree of similarity between the extracted work and the work of determining the group, and determines the group.
　グループ決定部１７０は、決定した作業種別３４０の確信度が所定の値より小さいときに図５のステップＳ１３０と、ステップＳ１４０とを省略してもよい。グループ決定部１７０は、推定した作業種別３４０の確からしさが低いときに、作業種別３４０に基づいてグループ化を行うことを避けることができる。 The group determination unit 170 may omit steps S130 and S140 in FIG. 5 when the certainty of the determined work type 340 is smaller than a predetermined value. The group determination unit 170 can avoid grouping based on the work type 340 when the estimated probability of the work type 340 is low.
　作業情報管理装置１００のグループ決定部１７０は、同じ作業が行われたと推定できる作業を分類できる任意の方法を選択してもよい。例えば、グループ決定部１７０は、所定の条件を満たす１以上の作業を同じグループに属すると判定する。例えば、実施の形態に示したように、所定の条件は、作業種別情報が同一、かつ、類似度が所定の値より大きいことを含む。また、所定の条件は、作業種別情報によらず、類似度が所定の値より大きくてもよい。 The group determination unit 170 of the work information management device 100 may select any method that can classify the work that can be presumed that the same work has been performed. For example, the group determination unit 170 determines that one or more works satisfying a predetermined condition belong to the same group. For example, as shown in the embodiment, the predetermined condition includes that the work type information is the same and the similarity is larger than the predetermined value. Further, under the predetermined conditions, the similarity may be larger than the predetermined value regardless of the work type information.
　また、作業データ３００に含まれる１つの作業の範囲を、その作業が同じ作業種別３４０を表す単位であれば、任意に選択することができる。例えば、１つの作業は、任意の期間、領域などの情報に基づき決定される単位の作業を表してもよく、データ上で管理される１つの作業を表してもよい。 Further, the range of one work included in the work data 300 can be arbitrarily selected as long as the work is a unit representing the same work type 340. For example, one work may represent a unit of work determined based on information such as an arbitrary period and area, or may represent one work managed on data.
　以上において説明した実施の形態および変形例は一例であり、各実施の形態および変形例で説明した構成は、機能を阻害しない範囲で、任意に変更してもよく、または／および、任意に組み合わせてもよい。さらに、必要となる機能を実現できれば、実施の形態および変形例で説明した一部の機能を省略してもよい。例えば、図５のステップＳ１２０を省略してもよい。この場合、作業種別３４０は、端末２００を用いてユーザにより入力されてもよい。 The embodiments and modifications described above are examples, and the configurations described in the embodiments and modifications may be arbitrarily changed or / or combined as long as the functions are not impaired. You may. Further, if the required functions can be realized, some of the functions described in the embodiments and modifications may be omitted. For example, step S120 in FIG. 5 may be omitted. In this case, the work type 340 may be input by the user using the terminal 200.
　本出願は、２０２０年１１月９日に出願された日本国特許出願２０２０－１８６２６５号を基礎とする優先権を主張し、その開示の全てをここに取り込む。 This application claims priority based on Japanese Patent Application No. 2020-186265 filed on November 9, 2020, and incorporates all of its disclosures herein.

Claims (9)

  1. 　作業が行われた圃場の作業領域を表す複数の作業領域情報を記憶する記憶装置と、
    　前記複数の作業領域情報に対応する複数の前記作業のうち所定の条件を満たす１以上の前記作業を作業群としてグループ化する演算装置と、
    　を備え、
    　前記演算装置は、
    　　前記作業を行っているときの作業車両の稼働情報に基づき、前記作業の作業種別を推定し、
    　　前記作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、前記第１作業種別情報と、前記作業群に含まれる第２作業に対応する第２作業種別情報とを変更する
    　作業情報管理装置。     A storage device that stores a plurality of work area information representing the work area of the field where the work was performed, and a storage device.
    An arithmetic unit that groups one or more of the above-mentioned works that satisfy a predetermined condition as a work group among the plurality of the above-mentioned works corresponding to the plurality of work area information.
    Equipped with
    The arithmetic unit is
    Based on the operation information of the work vehicle when the work is being performed, the work type of the work is estimated and the work type is estimated.
    The first work type information and the second work type corresponding to the second work included in the work group are based on the change request signal for changing the first work type information corresponding to the first work included in the work group. Work information management device that changes information.
  2. 　前記所定の条件は、作業種別が同一であることと、複数の前記作業の類似性を表す類似度が所定の値より大きいこととを含む
    　請求項１に記載の作業情報管理装置。     The work information management device according to claim 1, wherein the predetermined condition includes the same work type and the similarity indicating the similarity of the plurality of the work is larger than the predetermined value.
  3. 　前記類似度は、前記作業領域の距離に基づき算出される
    　請求項２に記載の作業情報管理装置。     The work information management device according to claim 2, wherein the similarity is calculated based on the distance of the work area.
  4. 　前記記憶装置は、前記作業が行われた作業期間を表す作業期間情報を記憶し、
    　前記類似度は、前記作業期間情報に基づき算出される
    　請求項２または３に記載の作業情報管理装置。     The storage device stores work period information indicating the work period in which the work is performed, and stores the work period information.
    The work information management device according to claim 2 or 3, wherein the similarity is calculated based on the work period information.
  5. 　前記演算装置は、前記作業種別を、前記作業種別の確からしさを表す確信度を用いて推定し、
    　前記類似度は、前記確信度に基づき算出される
    　請求項２から４のいずれか１項に記載の作業情報管理装置。     The arithmetic unit estimates the work type using a certainty degree representing the certainty of the work type, and estimates the work type.
    The work information management device according to any one of claims 2 to 4, wherein the similarity is calculated based on the certainty.
  6. 　前記演算装置は、
    　　前記稼働情報を取得し、
    　　前記稼働情報に基づき、前記作業領域を決定する
    　請求項１から５のいずれか１項に記載の作業情報管理装置。     The arithmetic unit is
    Acquire the above operation information and
    The work information management device according to any one of claims 1 to 5, which determines the work area based on the operation information.
  7. 　請求項１から６のいずれか１項に記載の作業情報管理装置と、
    　前記作業領域情報を表示する端末と、
    　を備え、
    　前記端末は、
    　　前記作業群に含まれる前記作業領域情報を他の作業と区別する画像を表示し、
    　　前記作業群に含まれる前記第１作業に対応する前記第１作業種別情報を変更する操作を受け付ける
    　作業情報管理システム。     The work information management device according to any one of claims 1 to 6.
    A terminal that displays the work area information and
    Equipped with
    The terminal is
    An image that distinguishes the work area information included in the work group from other work is displayed.
    A work information management system that accepts an operation of changing the first work type information corresponding to the first work included in the work group.
  8. 　作業が行われた圃場の作業領域を表す複数の作業領域情報を保持することと、
    　前記複数の作業領域情報に対応する複数の前記作業のうち、所定の条件を満たす１以上の前記作業を作業群としてグループ化することと、
    　前記作業を行っているときの作業車両の稼働情報に基づき、作業種別を推定することと、
    　前記作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、前記第１作業種別情報と、前記作業群に含まれる第２作業に対応する第２作業種別情報とを変更することと、
    　を演算装置に実行させる作業情報管理プログラムを記憶する記憶媒体。     Retaining multiple work area information that represents the work area of the field where the work was done,
    Of the plurality of the works corresponding to the plurality of work area information, one or more of the works satisfying a predetermined condition are grouped as a work group.
    Estimating the work type based on the operation information of the work vehicle when performing the above work, and
    The first work type information and the second work type corresponding to the second work included in the work group are based on the change request signal for changing the first work type information corresponding to the first work included in the work group. To change the information and
    A storage medium for storing a work information management program that causes an arithmetic unit to execute.
  9. 　演算装置が、
    　　作業が行われた圃場の作業領域を表す複数の作業領域情報を保持することと、
    　　前記複数の作業領域情報に対応する複数の前記作業のうち、所定の条件を満たす１以上の前記作業を作業群としてグループ化することと、
    　　前記作業を行っているときの作業車両の稼働情報に基づき、前記作業の作業種別を推定することと、
    　　前記作業群に含まれる第１作業に対応する第１作業種別情報を変更する変更要求信号に基づき、前記第１作業種別情報と、前記作業群に含まれる第２作業に対応する第２作業種別情報とを変更することと、
    　を含む作業情報管理方法。     Arithmetic logic unit,
    Retaining multiple work area information that represents the work area of the field where the work was done,
    Of the plurality of the works corresponding to the plurality of work area information, one or more of the works satisfying a predetermined condition are grouped as a work group.
    Estimating the work type of the work based on the operation information of the work vehicle when the work is being performed, and
    The first work type information and the second work type corresponding to the second work included in the work group are based on the change request signal for changing the first work type information corresponding to the first work included in the work group. To change the information and
    Work information management method including.
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