JP6253192B2 - Work history management system for agricultural machines - Google Patents

Work history management system for agricultural machines Download PDF

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JP6253192B2
JP6253192B2 JP2013257431A JP2013257431A JP6253192B2 JP 6253192 B2 JP6253192 B2 JP 6253192B2 JP 2013257431 A JP2013257431 A JP 2013257431A JP 2013257431 A JP2013257431 A JP 2013257431A JP 6253192 B2 JP6253192 B2 JP 6253192B2
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work
unit
information
management device
machine
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JP2015112078A (en
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素広 森
素広 森
慎太郎 宮田
慎太郎 宮田
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株式会社Ihiアグリテック
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  The present invention relates to a farm work machine and a work history management system for a farm work machine.

  A position information acquisition system that acquires position information of a traveling agricultural machine such as a tractor is known (for example, see Patent Document 1). The position information acquisition system described in Patent Document 1 records self-position information of a traveling farm work machine.

JP 2007-248336 A

  However, the position information acquisition system described in Patent Document 1 is configured to transmit the self-position information of the traveling agricultural machine (work) to an external server via a wireless base station or the Internet network. Such data transmission / reception cannot be performed in a farm field where wireless communication is not possible.

  This invention makes it an example of a subject to cope with such a problem. In other words, in agricultural fields where wireless communication is not possible, the farm machine automatically records farm work information including position information, time information, farm work history information, etc. Agricultural machinery that can automatically manage the work history with the management device by automatically transmitting the above information from the agricultural machinery to the management device when wireless communication is possible with the management device installed at a place, etc. The purpose is to provide a work history management system, and to provide an agricultural machine used in the system.

Agricultural machine work history management system of the present invention comprises a agricultural working machine, wherein the agricultural machine is provided with a detection unit for detecting that approach, the management apparatus performs processing related to agricultural work history, and,
The farm work machine includes a work machine,
A position detection unit for detecting position information of the agricultural machine;
A time information acquisition unit;
And serial憶部,
A communication unit for performing near field communication with the management device;
An operation display device for inputting a signal indicating work start or work end of the work implement;
A control unit,
When the signal indicating the work start of the work implement is input from the operation display device , the control unit associates the farm work information including work history information related to the work implement, the position information, and the time information, and the storage unit To start recording,
Even when a signal indicating the start of work of the work implement is not input from the operation display device, the communication unit and the management device are in a short-distance wireless communication disabled state from a state in which the communication unit and the management device are capable of short-range wireless communication. When the farm work information including work history information about the work machine, the position information, and the time information is associated with the storage unit to start recording,
When the communication unit and the management device are capable of short-range wireless communication, or when the detection unit detects that the agricultural machine has approached the detection unit, it is stored in the storage unit the agricultural information, the position information, the time information, have row processing of transmitting to the management device via the communication unit,
The management device includes a management device communication unit that performs short-range wireless communication with the agricultural machine;
A management device storage unit;
A control unit for the management device,
The management device control unit is configured such that when the communication unit of the farm work machine and the communication unit for the management device are capable of short-range wireless communication, or the farm unit has approached the detection unit by the detection unit. In this case, the farm work information, the position information, and the time information received by the management device communication unit are stored in the management device storage unit.

  According to the present invention, in an agricultural field or the like in a place where wireless communication cannot be performed, the farm machine automatically records farm work information including position information, time information, farm work history information, and the like after farm work by the farm machine. For example, when wireless communication is possible with a management device installed in an office or the like, the above information of the agricultural machine is automatically transmitted to the management device, and the work history can be easily managed by the management device. A work history management system for agricultural machines can be provided. Moreover, according to this invention, the agricultural machine used by the work log | history management system can be provided.

The figure for demonstrating an example of the agricultural working machine which concerns on embodiment of this invention. The figure which shows an example of working machines, such as a broadcaster, (a) is a perspective view which shows an example of a broadcaster, (b) is a figure which shows an example of the shutter part of a broadcaster. The figure which shows an example of the functional block of the management apparatus of the work history management system of the agricultural machine which concerns on embodiment of this invention. The figure which shows an example of the information (data) used with the work log | history management system of the agricultural working machine which concerns on embodiment of this invention. The flowchart which shows an example of operation | movement of an agricultural machine. The figure which shows an example of operation | movement of an agricultural machine. The figure which shows an example of a farm work machine and a management apparatus. The flowchart which shows an example of operation | movement of a management apparatus. The figure which shows an example of the input / output of the data using the removable storage medium which memorize | stored driving | running | working log | history and agricultural work log | history.

The farm work machine work history management system of the present invention includes a farm work machine and a management device. The farm work machine is capable of short-range wireless communication with a management device that performs processing related to a farm work history. Agricultural machine stores a work machine, a position detection unit that detects position information of the agricultural machine, a time information acquisition unit, and farm work information including work history information related to the work machine, position information, and time information in association with each other. A communication unit that performs near field communication with the management device, and a control unit. When the communication unit and the management device become capable of data communication, the control unit of the farm work machine transmits the farm work information, position information, and time information stored in the storage unit to the management device via the communication unit. I do.
The management device performs a process of storing the farm work information, the position information, and the time information transmitted from the farm machine in the management device storage unit. And a management apparatus performs the process regarding the log | history of agricultural work based on those information transmitted from the agricultural machine.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The embodiment of the present invention includes the contents shown in the drawings, but is not limited to this. In the following description of each drawing, parts that are common to the parts that have already been described are assigned the same reference numerals, and duplicate descriptions are partially omitted.

  FIG. 1 is a diagram for explaining an example of a farm work machine 100 of a work history management system 1 according to an embodiment of the present invention. 2 is a diagram illustrating an example of a work machine 200 such as a broadcaster, FIG. 2A is a perspective view illustrating an example of a broadcaster, and FIG. 2B is a diagram illustrating an example of a shutter portion 200s of the broadcaster. . FIG. 3 is a diagram illustrating an example of functional blocks of the management device 300 of the work history management system 1 of the agricultural machine.

In the present embodiment, the farm work machine 100 includes a traveling vehicle 101 such as a tractor and a work machine 200 such as a broadcaster that spreads fertilizer and the like on a predetermined place such as a farm field. A work machine 200 is detachably connected to the rear of the traveling vehicle 101 via a connector 3 (see FIG. 1).
The coupler 3 includes a PTO shaft (not shown) for transmitting the driving force of the axle of the traveling vehicle 101 to the work machine 200, and a solenoid valve and a motor provided in the work machine 200 from the control unit of the traveling vehicle 101. A power line for supplying power and a signal line for inputting information from a sensor provided in the work machine 200 to the control unit of the traveling vehicle 101 are provided.

  The work machine 200 moves immediately after the travel route of the traveling vehicle 101 traveling on the farm field, and the work machine 200 uses the driving force transmitted from the traveling vehicle 101 via the PTO shaft to spread fertilizer on the farm field. . The work machine 200 is configured to be able to adjust a fertilizer application amount, a spread width, and the like according to an operation instruction by an operator, a vehicle speed of the traveling vehicle 101, and the like, and fertilizer with a predetermined density along a traveling route of the traveling vehicle 101. Is configured to spray.

In the present embodiment, a broadcaster will be described as an example of the work machine 200 (see FIG. 2). The broadcaster as the work machine 200 includes a hopper 200d that can store granular fertilizer. The hopper 200d is formed in a shape that is gradually squeezed from the upper opening toward the bottom. A shutter portion 200s is provided at the bottom of the hopper 200d. The shutter portion 200s is configured to be able to adjust the opening amount (shutter opening amount) of the opening portion 200u, and in detail, a movable shielding portion 200w is provided so as to have a predetermined opening amount.
Specifically, the shielding part 200w is provided with a protrusion part 200t, and is configured to be able to adjust the opening amount by sliding with a drive motor or the like. In addition, the shutter unit 200s is provided with a detection unit (sensor) such as an angle sensor, and the opening amount of the opening 200u can be specified based on the angle of the projection 200t. Based on the information, The amount of fertilizer dropped per unit area and per unit time can be calculated.

A sub hopper 200k that receives fertilizer that has passed through the shutter portion 200s is provided below the shutter portion 200s. The spout 200n spreads the fertilizer staying in the sub hopper 200k from the opened tip. The spout 200n is configured to be able to swing left and right by transmitting the driving force of the PTO shaft, so that the fertilizer can be spread and diffused with a predetermined spreading width.
An angle sensor, a drive motor, and the like provided in the shutter unit 200s of the broadcaster are connected to a control unit to be described later via a signal line.

  In the example illustrated in FIG. 1, the agricultural machine 100 includes a work machine 200, a control unit 120, a position detection unit 121, a time information acquisition unit 125, a communication unit 130, a solenoid valve 141, a motor 142, and an angle sensor. Various sensors 143 and 144, a storage unit 150, an operation display device 110 (work machine controller), and the like.

  The control unit 120 comprehensively controls each component of the agricultural machine 100 and the work machine 200. The control unit 120 implements a predetermined function according to the present invention by executing a control program stored in the storage unit 150 or the like.

The position detection unit 121 detects the position information of the agricultural machine 100 and outputs a signal indicating the detection result to the control unit 120. The position detection unit 121 is configured to receive signals from, for example, a plurality of GPS satellites and quasi-zenith satellites, and acquire position information of the agricultural machine 100 based on the signals.
The time information acquisition unit 125 includes, for example, a time measuring unit, and acquires time information. The time information acquisition unit 125 may acquire time information included in a signal transmitted from a GPS satellite, a quasi-zenith satellite, or the like. The time information acquisition unit 125 outputs the time information to the control unit 120.

  The communication unit 130 performs near field communication with the management device 300 under the control of the control unit 120. The communicable distance by the communication unit 130 is about several meters to several hundreds of meters, preferably about several tens of meters. The communication unit 130 includes IEEE802.11 series communication standards such as IEEE802.11n, IEEE802.11a, IEEE802.11g, and IEEE802.11b, and IEEE802.15 series such as IEEE802.15.1, IEEE802.15.3a, and IEEE802.15.4. Communication standards, etc. can be adopted.

The electromagnetic valve 141 is provided in various devices of the work machine 200, and can perform a predetermined operation by opening and closing the electromagnetic valve under the control of the control unit 120.
The motor 142 (drive motor) is provided in various devices of the work machine 200 and can perform a predetermined operation by driving the motor under the control of the control unit 120.
The sensors 143 and 144 are detection devices such as an angle sensor and a growth sensor. The sensors 143 and 144 are provided in various devices of the work machine 200 and output signals indicating detection results to the control unit 120.
The storage unit 150 is a storage device such as a semiconductor memory, and stores farm work information including work history information related to the work machine 200, position information, time information, and the like in association with each other.

  In the present embodiment, when the communication unit 130 and the management apparatus 300 are capable of data communication, the control unit 120 transmits farm work information, position information, and time information stored in the storage unit 150 via the communication unit 130. , Processing to transmit to the management apparatus 300 is performed.

  The operation display device 110 (work machine controller) includes various switches, buttons, a display device, a touch panel, and the like. In this embodiment, the operation display device 110 (work machine controller) is provided on the traveling vehicle 101 side such as a tractor. Thus, a predetermined display can be performed and an operation input by the operator can be received.

  The management device 300 includes a control unit 301 (management device control unit), a communication unit 302 (management device communication unit), a detection unit 303, a display unit 304, an operation input unit 305, and a storage unit 306 (management). And the like (see FIG. 3). Each component is connected by a communication line 307 such as a bus.

  As described above, the management apparatus 300 performs processing related to the farm work history of the farm work machine 100 and the like. The management device 300 may be, for example, a general-purpose computer (PC) or a dedicated computer. The management device 300 is provided in an office, for example. This office is provided, for example, at a location near the hangar where the agricultural machine 100 is accommodated or at a predetermined distance. The management apparatus 300 may be a portable computer.

  The control unit 301 (CPU) comprehensively controls each component of the management device 300. The control unit 301 executes the program (PRG) stored in the storage unit 306 to cause the management apparatus 300 that is a computer to realize the functions according to the present invention.

  The communication unit 302 performs near field communication with the agricultural machine 100 under the control of the control unit 301. In the present embodiment, the communication unit 302 performs wireless communication with the communication unit 130 provided in the agricultural machine 100. The communicable distance between the communication unit 302 and the communication unit 130 is about several meters to several hundreds of meters, preferably about several tens of meters. The communication unit 302 can adopt an IEEE802.11 series communication standard, an IEEE802.15 series communication standard, or the like.

  The detection unit 303 is provided, for example, in a hangar of the agricultural machine 100 or a passage through which the agricultural machine 100 passes, detects that the agricultural machine 100 has approached, and outputs the detection result to the control unit 301.

The display unit 304 performs display related to the work history of the agricultural machine 100 according to the present invention under the control of the control unit 301.
The operation input unit 305 includes an input device such as a keyboard, a mouse, and a touch panel, and outputs a signal indicating an operation instruction of the operator to the control unit 301.
The storage unit 306 can be stored in the storage unit 306 in association with farm work information, position information, time information, and the like.

  When the communication unit 130 of the farm work machine 100 and the communication unit 302 of the management apparatus 300 are capable of data communication, the control unit 301 stores the farm work information, position information, and time information received by the communication unit 302 in the storage unit 306. The process to memorize is performed.

  When the detection unit 303 detects that the agricultural machine 100 has approached, the control unit 120 of the agricultural machine 100 transmits the agricultural work information, position information, and time information stored in the storage unit 150 to the communication unit 130. The process of transmitting to the management apparatus 300 is performed. The control unit 301 of the management apparatus 300 may perform processing for storing the farm work information, the position information, and the time information received by the communication unit 302 in the storage unit 306.

  The control unit 301 performs processing related to the farm work history of the farm work machine 100 based on the above-described information such as farm work information, position information, and time information.

FIG. 4 is a diagram illustrating an example of information (data) used in the work history management system 1 of the agricultural machine 100. Examples of such information include farm work information, position information of the farm work machine 100, time information, and the like. The position information and time information of the agricultural machine 100 are also referred to as travel history information.
The farm work information includes sensor information from sensors provided on the work machine 200 of the farm work machine 100, an opening amount of the shutter unit 200s of the work machine 200 such as a broadcaster, a unit time and a unit area of the fertilizer passing through the shutter unit 200s. It has various information (work history information) such as information on the amount of falling per hit and spread width information of fertilizer.

  For example, the control unit 301 of the management apparatus 300 can calculate the traveling speed of the agricultural machine 100 based on position information and time information. The traveling speed of the agricultural machine 100 may be calculated based on the Doppler effect related to signals from satellites such as GPS satellites.

  In addition, the control unit 301 of the management apparatus 300 determines the density of the fertilizer at which the agricultural machine 100 is based on the traveling speed of the agricultural machine 100, the opening amount of the shutter unit 200s, the fertilizer fall amount information, the fertilizer application width information, and the like. In addition, when the position information and time information of the agricultural machine 100 are taken into consideration, it is possible to calculate when, at which place, and at what density the fertilizer is applied by the agricultural machine 100. it can.

  FIG. 5 is a flowchart showing an example of the operation of the agricultural machine. FIG. 6 is a diagram illustrating an example of the operation of the agricultural machine 100. FIG. 7 is a diagram illustrating an example of the agricultural work machine 100 and the management apparatus 300 of the work history management system 1. FIG. 8 is a flowchart showing an example of the operation of the management apparatus.

Before the start of farm work, the farm work machine 100 including the traveling vehicle 101 such as a tractor and the work machine 200 is housed in a hangar 450 or the like.
When starting the farm work, the farm work machine 100 moves to the farm field 70 such as the field 1 (71) by the operation of the operator.

  When starting a predetermined farm work, the operator operates the operation display device 110 (work machine controller) to start work by the work machine 200 (ST11). Specifically, when the control unit 120 receives a signal indicating the start of work from the operation display device 110, the position information by the position detection unit 121, the time information by the time information acquisition unit 125, the traveling speed, the shutter opening amount, the fertilizer Recording of farm work information including work history information such as the fall amount and the fertilizer application amount is started, and processing for storing the information in association with the storage unit 306 is performed (ST12).

The farm work machine 100 performs farm work such as fertilizer application while traveling along a predetermined travel route in the field 1 (71), the field 2 (72),..., The last field (79), etc. as the field 70.
Then, when ending the predetermined farm work on the farm field 70, the operator operates the operation display device 110 (work machine controller) to end the farm work by the work machine 200. Specifically, the control unit 120 determines whether or not a signal indicating the end of work is received by the operation display device 110 (ST13). If the work is not finished, the process proceeds to step ST12 and the work is finished. If it is determined that it has been performed, a process of ending the recording of farm work information including work history information such as position information, time information, traveling speed, shutter opening amount, fertilizer fall amount, fertilizer application amount, etc. is performed (ST14).

After the completion of the farm work, the farm work machine 100 is accommodated in the hangar 450 or the like by the operation of the operator (see FIG. 7).
The control unit 120 of the agricultural machine 100 determines whether or not the communication unit 130 and the communication unit 302 of the management device 300 can perform data communication (ST15). If data communication is not possible, the process of step ST15 is repeated to perform data communication. If it is determined that it is possible, a process of transmitting farm work information, position information, time information, etc. stored in the storage unit 150 to the management apparatus 300 via the communication unit 130 is performed (ST16).

The control unit 301 of the management apparatus 300 determines whether or not the communication unit 302 and the communication unit 130 of the agricultural machine 100 can perform data communication (ST21), and repeats the process of ST21 until data communication is possible, thereby enabling data communication. If it becomes, the farm work information, the position information, and the time information are received via the communication unit 302 (ST22), and the received farm work information, the position information, the time information, and the like are associated and stored in the storage unit 306. Process.
Based on the information, the control unit 301 performs management processing related to the farm work history of the farm work machine 100 (ST23).

  In addition, when the detection unit 303 and the communication unit 302 are installed on the movement path along which the farm work machine 100 moves when the farm work is finished, and the detection unit 303 detects that the farm work machine 100 is approaching, the farm work information is received from the farm work machine 100. The position information and the time information may be transmitted and received by the communication unit 302 of the management apparatus 300.

  Specifically, when the detection unit 303 detects that the farm work machine 100 has approached (ST15, ST21), the control unit 120 of the farm work machine 100 stores the farm work information, position information, and time information stored in the storage unit 150. Are transmitted to the management device 300 via the communication unit 130, and the control unit 301 of the management device 300 performs a process of storing the farm work information, the position information, the time information, and the like received by the communication unit 302 in the storage unit 306. Do.

As described above, the agricultural machine 100 according to the embodiment of the present invention is capable of short-range wireless communication with the management apparatus 300 that performs processing related to the history of agricultural work. The agricultural machine 100 includes a time information acquisition unit 125, a storage unit 150 that stores and stores agricultural work information including work history information related to the work machine 200, position information, and time information, and communication that performs short-range wireless communication with the management device 300. Unit 130 and control unit 120. When the communication unit 130 and the management device 300 are capable of data communication, the control unit 120 transmits the farm work information, position information, and time information stored in the storage unit 150 to the management device 300 via the communication unit 130. Process to send.
For this reason, in a farm field or the like in a place where short-distance wireless communication is not possible, the farm work machine 100 automatically records farm work information including position information and farm work history information, and after farm work by the farm work machine 100. Provided with the agricultural work machine 100 capable of automatically transmitting the position information and the agricultural work information of the agricultural machine 100 to the management apparatus 300 when short-range wireless communication is possible with the management apparatus 300 installed in the office or the like can do.

The management apparatus 300 includes a communication unit 302 that performs short-range wireless communication with the agricultural machine 100, a storage unit 306, and a control unit 301. When the communication unit 130 of the farm work machine 100 and the communication unit 302 of the management device 300 are capable of data communication, the control unit 301 stores the farm work information, the position information, and the time information received by the communication unit 130 in the storage unit 306. The process which memorize | stores in relation to is performed. And the control part 301 performs the management process regarding the log | history of the farm work of the farm work machine 100, etc. FIG.
For this reason, when the agricultural machine 100 and the management apparatus 300 can perform data communication by the management apparatus 300 installed in the office 400 or the like, the agricultural work information, position information, time information, and the like transmitted from the agricultural machine 100 It is possible to provide a work history management system 1 for agricultural machines that can be easily managed.

  Further, for example, even when farm work is performed by the farm work machine 100 in a field outside the wireless communication range of the data communication network such as a mobile phone communication network, the farm work machine 100 is stored in the hangar 450 or the like after the farm work is completed. By doing so, various information can be automatically transmitted from the agricultural machine 100 to the management apparatus 300, and the agricultural work history by the agricultural machine 100 can be easily managed.

As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and there are design changes and the like without departing from the gist of the present invention. Is included in the present invention.
Further, the embodiments described in the above drawings can be combined with each other as long as there is no particular contradiction or problem in the purpose and configuration.
Moreover, the description content of each figure can become independent embodiment, respectively, and embodiment of this invention is not limited to one embodiment which combined each figure.

  For example, as shown in FIG. 9, the control unit 120 stores various information (agricultural work information including work history information, position information, time information, etc.) in a removable portable storage medium 380 for management. The apparatus 300 may perform processing related to the history of farm work based on the various information stored in the portable storage medium 380. In this way, even if communication is difficult, the management apparatus 300 can perform processing related to the farm work history.

  In addition, the recording start timing of various information (such as farm work information including work history information, position information, time information) of the work machine 200 of the farm work machine 100 is a state in which the communication unit 130 and the communication unit 302 can perform short-range wireless communication. Therefore, the recording may be started when the short-range wireless communication is disabled. In this way, it is possible to prevent forgetting to record.

  In the above embodiment, the traveling vehicle 101 of the agricultural machine 100 includes the control unit 120, the position detection unit 121, the time information acquisition unit 125, the communication unit 130, the storage unit 150, and the like. It is not something that can be done. For example, the work machine 200 is provided with all or at least one of the control unit 120, the position detection unit 121, the time information acquisition unit 125, the communication unit 130, and the storage unit 150, and the other is provided in the traveling vehicle 101. It may be configured to connect so that data communication is possible.

  In the above embodiment, the work machine 200 is provided with the electromagnetic valve 141, the motor 142, various sensors 143 and 144 such as an angle sensor, but the present invention is not limited to this form. Any one or two or more of the above components may be provided.

  DESCRIPTION OF SYMBOLS 1 ... Farm work machine work history management system 100 ... Farm work machine 101 ... Traveling vehicle (tractor etc.) 120 ... Control part 121 ... Position detection part 125 ... Time information acquisition part 130 ... Communication part 150 ... Memory | storage , 200 ... working machine, 300 ... management device, 301 ... control unit (management device control unit), 302 ... communication unit (management device communication unit), 306 ... storage unit (management device storage unit).

Claims (2)

  1. And agriculture working machine, wherein the agricultural machine is provided with a detector for detecting that it has approached, having a management system that performs processing related to agricultural work history, a farm machine work history management system,
    The farm work machine includes a work machine,
    A position detection unit for detecting position information of the agricultural machine;
    A time information acquisition unit;
    And serial憶部,
    A communication unit for performing near field communication with the management device;
    An operation display device for inputting a signal indicating work start or work end of the work implement;
    A control unit,
    When the signal indicating the work start of the work implement is input from the operation display device , the control unit associates the farm work information including work history information related to the work implement, the position information, and the time information, and the storage unit To start recording,
    Even when a signal indicating the start of work of the work implement is not input from the operation display device, the communication unit and the management device are in a short-distance wireless communication disabled state from a state in which the communication unit and the management device are capable of short-range wireless communication. When the farm work information including work history information about the work machine, the position information, and the time information is associated with the storage unit to start recording,
    When the communication unit and the management device are capable of short-range wireless communication, or when the detection unit detects that the agricultural machine has approached the detection unit, it is stored in the storage unit the agricultural information, the position information, the time information, have row processing of transmitting to the management device via the communication unit,
    The management device includes a management device communication unit that performs short-range wireless communication with the agricultural machine;
    A management device storage unit;
    A control unit for the management device,
    The management device control unit is configured such that when the communication unit of the farm work machine and the communication unit for the management device are capable of short-range wireless communication, or the farm unit has approached the detection unit by the detection unit. when detecting the said farm information received by the management apparatus communication section, the position information, the time information, the work of farm machinery and performing a process of storing in the management device storage unit History management system .
  2. 2. The work history management system for an agricultural machine according to claim 1, wherein the detection unit and the communication unit for the management device are arranged on a moving path along which the agricultural machine moves .
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JP5157929B2 (en) * 2009-01-16 2013-03-06 富士通株式会社 Work recording apparatus, work recording system, and work recording program
WO2011150351A2 (en) * 2010-05-28 2011-12-01 Gvm, Inc. System and method for collecting and processing agricultural field data
JP5677216B2 (en) * 2011-07-06 2015-02-25 株式会社クボタ Information collection system for work equipment
JP6332896B2 (en) * 2012-05-09 2018-05-30 株式会社クボタ Work information extraction system and operation method of work information extraction system
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