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JP7548883B2 - Industrial machine identification system, industrial machine identification method, and industrial machine identification device - Google Patents
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JP7548883B2 - Industrial machine identification system, industrial machine identification method, and industrial machine identification device - Google Patents

Industrial machine identification system, industrial machine identification method, and industrial machine identification device Download PDF

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JP7548883B2
JP7548883B2 JP2021145268A JP2021145268A JP7548883B2 JP 7548883 B2 JP7548883 B2 JP 7548883B2 JP 2021145268 A JP2021145268 A JP 2021145268A JP 2021145268 A JP2021145268 A JP 2021145268A JP 7548883 B2 JP7548883 B2 JP 7548883B2
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尚登 齋藤
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Description

本開示は、産業機械識別システム、産業機械識別方法及び産業機械識別装置に関する。 This disclosure relates to an industrial machine identification system, an industrial machine identification method, and an industrial machine identification device.

特許文献１には、工作機械を特定する工作機械ＩＤと工作機械に係る情報（例えば、制御軸数、主軸数、軸構成、主軸モータ仕様など）とを工作機械から受信し、両者を対応付けて記憶する消費電力予測装置が開示されている。 Patent Document 1 discloses a power consumption prediction device that receives a machine tool ID that identifies the machine tool and information related to the machine tool (e.g., the number of controlled axes, the number of spindles, the axis configuration, the spindle motor specifications, etc.) from the machine tool, and stores the two in association with each other.

特開２０２１－０８６４０５号公報JP 2021-086405 A

特許文献１では、工作機械ＩＤの詳細について触れられていないが、工作機械ＩＤとしては、例えば、工作機械に予め設定されている識別子や、工作機械が備えるコントローラに予め設定されている識別子、或いは、工作機械のオペレータが予め設定した識別子を用いることが考えられる。 Patent Document 1 does not mention details about the machine tool ID, but the machine tool ID may be, for example, an identifier that is preset in the machine tool, an identifier that is preset in a controller provided in the machine tool, or an identifier that is preset by the operator of the machine tool.

しかしながら、これらの識別子を工作機械ＩＤとして用いると、広い地域に分散して配置された多数の工作機械を管理する場合、２以上の工作機械が同じ工作機械ＩＤを有する場合がありうる。この場合、互いに異なる２以上の工作機械に係る情報が１つの工作機械に係る情報として集積されてしまうという問題が生じる。 However, if these identifiers are used as machine tool IDs, when managing a large number of machine tools distributed over a wide area, it is possible that two or more machine tools may have the same machine tool ID. In this case, a problem occurs in that information relating to two or more different machine tools is accumulated as information relating to a single machine tool.

このような問題は、工作機械に限らず産業機械全般において生じる。 This type of problem occurs not only in machine tools but in industrial machinery in general.

本開示は、２つの産業機械が同じであるか否かを判定可能な産業機械識別システム及び産業機械識別方法を提供することを目的とする。 The present disclosure aims to provide an industrial machine identification system and an industrial machine identification method that can determine whether two industrial machines are the same.

本開示の一態様に係る産業機械識別システムは、複数の産業機械と、判定部とを備える。判定部は、複数の産業機械に含まれる第１産業機械の識別子を示す第１識別情報と複数の産業機械に含まれる第２産業機械の識別子を示す第２識別情報との比較結果と、第１産業機械の設置場所を示す第１設置場所情報と第２産業機械の設置場所を示す第２設置場所情報との比較結果とに基づいて、第１産業機械と第２産業機械とが同一であるか否かを判定する。 An industrial machine identification system according to one aspect of the present disclosure includes a plurality of industrial machines and a determination unit. The determination unit determines whether the first industrial machine and the second industrial machine are the same based on a comparison result between first identification information indicating an identifier of a first industrial machine included in the plurality of industrial machines and second identification information indicating an identifier of a second industrial machine included in the plurality of industrial machines, and a comparison result between first installation location information indicating the installation location of the first industrial machine and second installation location information indicating the installation location of the second industrial machine.

本開示によれば、２つの産業機械が同じであるか否かを判定可能な産業機械識別システム、産業機械識別方法及び産業機械識別装置を提供することができる。 According to the present disclosure, it is possible to provide an industrial machine identification system, an industrial machine identification method, and an industrial machine identification device that can determine whether two industrial machines are the same.

実施形態に係る産業機械識別システムの構成を示すブロック図FIG. 1 is a block diagram showing a configuration of an industrial machine identification system according to an embodiment. 実施形態に係る産業機械識別方法を示すフローチャート図FIG. 1 is a flowchart showing an industrial machine identification method according to an embodiment.

（産業機械識別システム及び産業機械識別装置の構成）
図１は、本実施形態に係る産業機械識別システム１の構成を示すブロック図である。 (Configuration of industrial machine identification system and industrial machine identification device)
FIG. 1 is a block diagram showing a configuration of an industrial machine identification system 1 according to the present embodiment.

産業機械識別システム１は、複数の産業機械１０及び管理部２０を備える。管理部２０は、本開示に係る産業機械識別装置である。 The industrial machine identification system 1 includes a plurality of industrial machines 10 and a management unit 20. The management unit 20 is an industrial machine identification device according to the present disclosure.

（複数の産業機械１０）
図１では、複数の産業機械１０の一例として、３つの産業機械１０ａ～１０ｃが図示されている。ただし、複数の産業機械１０の数は２以上であればよい。 (Multiple industrial machines 10)
1, three industrial machines 10a to 10c are illustrated as an example of the multiple industrial machines 10. However, the number of the multiple industrial machines 10 may be two or more.

図１において、産業機械１０ａ及び産業機械１０ｂそれぞれは工作機械であり、産業機械１０ｃはスポット溶接機である。本開示では、複数の産業機械１０のそれぞれが同種であるか異種であるかは特に問われない。産業機械としては、例えば、工作機械、スポット溶接機、半導体関連装置、露光装置、化学処理装置、ワイヤボンダ、プローバ、電子部品挿入機、プリント基盤孔あけ機、組立装置、搬送装置及びシーリングなどが挙げられる。工作機械としては、例えば、旋盤、フライス盤、中ぐり盤、マシニングセンタ、ジグポーラ、ボール盤、研削盤、放電加工機、ワイヤレスカット放電加工機、ワイヤソー、鈑金機械、鍛圧機械、レーザ加工機などが挙げられる。 In FIG. 1, industrial machine 10a and industrial machine 10b are machine tools, and industrial machine 10c is a spot welder. In the present disclosure, it does not matter whether the multiple industrial machines 10 are the same type or different types. Examples of industrial machines include machine tools, spot welding machines, semiconductor-related equipment, exposure equipment, chemical processing equipment, wire bonders, probers, electronic component insertion machines, printed circuit board drilling machines, assembly equipment, conveying equipment, and sealing. Examples of machine tools include lathes, milling machines, boring machines, machining centers, jig-polarizers, drilling machines, grinding machines, electric discharge machines, wireless cut electric discharge machines, wire saws, sheet metal machines, forging machines, and laser processing machines.

各産業機械１０は、コントローラ１１を有する。図１では、産業機械１０ａのコントローラ１１ａと、産業機械１０ｂのコントローラ１１ｂと、産業機械１０ｃのコントローラ１１ｃとが図示されている。３つのコントローラ１１ａ～１１ｃは同様の機能を有しているため、以下の説明では、３つのコントローラ１１ａ～１１ｃを「コントローラ１１」と総称し、３つの産業機械１０ａ～１０ｃを「産業機械１０」と総称する。 Each industrial machine 10 has a controller 11. FIG. 1 shows a controller 11a for industrial machine 10a, a controller 11b for industrial machine 10b, and a controller 11c for industrial machine 10c. Since the three controllers 11a to 11c have similar functions, in the following description, the three controllers 11a to 11c are collectively referred to as "controller 11," and the three industrial machines 10a to 10c are collectively referred to as "industrial machines 10."

コントローラ１１は、ＮＣ（Ｎｕｍｅｒｉｃａｌ Ｃｏｎｔｒｏｌ）プログラムに従ってワークの加工制御を実行する。コントローラ１１は、ネットワーク（例えば、インターネット）を介して管理部２０と通信可能である。 The controller 11 controls the machining of the workpiece according to an NC (Numerical Control) program. The controller 11 can communicate with the management unit 20 via a network (e.g., the Internet).

コントローラ１１は、産業機械１０の識別子を示す「識別情報」と、産業機械１０の設置場所を示す「設置場所情報」と、産業機械１０に関連する「関連情報」とを管理部２０に送信する。 The controller 11 transmits to the management unit 20 "identification information" indicating the identifier of the industrial machine 10, "installation location information" indicating the installation location of the industrial machine 10, and "related information" related to the industrial machine 10.

コントローラ１１は、「関連情報」を管理部２０に送信する際、「関連情報」とともに「識別情報」及び「設置場所情報」を管理部２０に送信する。 When the controller 11 transmits "related information" to the management unit 20, it transmits "identification information" and "installation location information" along with the "related information" to the management unit 20.

産業機械１０の識別子とは、産業機械１０のＭＡＣ（Ｍｅｄｉａ Ａｃｃｅｓｓ Ｃｏｎｔｒｏｌ）アドレス、産業機械１０の識別記号、及び、コントローラ１１の識別記号のうち少なくとも１つである。ＭＡＣアドレスは、産業機械１０に予め割り当てられている。ＭＡＣアドレスは、産業機械１０が備えるネットワーク機器関連のハードウェアに予め割り当てられる。ＭＡＣアドレスは、ＩＥＥＥ（Ｉｎｓｔｉｔｕｔｅ ｏｆ Ｅｌｅｃｔｒｉｃａｌ ａｎｄ Ｅｌｅｃｔｒｏｎｉｃｓ Ｅｎｇｉｎｅｅｒｓ）管理下でネットワーク機器関連のハードウェアに割り当てられた番号であって、各ハードウェアに固有の識別番号である。産業機械１０の識別記号は、産業機械１０に予め設定されている。産業機械１０の識別記号は、典型的には英数字及び記号により構成される。コントローラ１１の識別記号は、コントローラ１１に予め設定されている。コントローラ１１の識別記号は、典型的には英数字及び記号により構成される。 The identifier of the industrial machine 10 is at least one of the MAC (Media Access Control) address of the industrial machine 10, the identification symbol of the industrial machine 10, and the identification symbol of the controller 11. The MAC address is assigned in advance to the industrial machine 10. The MAC address is assigned in advance to the network device-related hardware included in the industrial machine 10. The MAC address is a number assigned to the network device-related hardware under the management of the Institute of Electrical and Electronics Engineers (IEEE), and is an identification number unique to each piece of hardware. The identification symbol of the industrial machine 10 is set in advance in the industrial machine 10. The identification symbol of the industrial machine 10 is typically composed of alphanumeric characters and symbols. The identification symbol of the controller 11 is set in advance in the controller 11. The identification symbol of the controller 11 is typically composed of alphanumeric characters and symbols.

産業機械１０ごとに３つの識別子を使い分けてもよいが、後述のように産業機械１０どうしで「識別情報」を比較する必要があるので、全ての産業機械１０において共通する識別子を少なくとも１つ用いなければならない。例えば、産業機械１０ａ及び産業機械１０ｂそれぞれの識別子としてＭＡＣアドレス及び産業機械１０の識別記号の２つの識別子を用いる場合、これら２つの識別子のうち少なくとも一方を産業機械１０ｃの識別子として用いなければならない。 Three different identifiers may be used for each industrial machine 10, but since it is necessary to compare "identification information" between industrial machines 10 as described below, at least one common identifier must be used for all industrial machines 10. For example, if two identifiers, a MAC address and an identification symbol of the industrial machine 10, are used as the identifiers of industrial machine 10a and industrial machine 10b, at least one of these two identifiers must be used as the identifier of industrial machine 10c.

産業機械１０の設置場所とは、ＧＮＳＳ（Ｇｌｏｂａｌ Ｎａｖｉｇａｔｉｏｎ Ｓａｔｅｌｌｉｔｅ Ｓｙｓｔｅｍ）の衛星波に基づいて得られた産業機械１０の設置場所、及び、産業機械１０のグローバルＩＰアドレスから推測された産業機械１０の設置場所のうち少なくとも１つである。ＧＮＳＳの衛星波は、産業機械１０に設置されたＧＮＳＳアンテナ（不図示）によって受信される。ＧＮＳＳの衛星波に基づいて得られた産業機械１０の設置場所は、産業機械１０の設置場所を一次元位置（点）として示す。これに対して、グローバルＩＰアドレスから推測された産業機械１０の設置場所は、産業機械１０の設置場所を二次元領域（平面）として示す。二次元領域とは、例えば、国、州、都道府県、市区町村などによって特定される所定範囲の領域を意味する。グローバルＩＰアドレスは産業機械１０に固有の情報ではなく変更される場合があるため、産業機械１０の識別子としては適さない。産業機械１０に割り当てられたグローバルＩＰアドレスが変更されても、産業機械１０の設置場所を含む設置領域に関する情報は変わらない。 The installation location of the industrial machine 10 is at least one of the installation location of the industrial machine 10 obtained based on the satellite waves of the GNSS (Global Navigation Satellite System) and the installation location of the industrial machine 10 estimated from the global IP address of the industrial machine 10. The GNSS satellite waves are received by a GNSS antenna (not shown) installed on the industrial machine 10. The installation location of the industrial machine 10 obtained based on the GNSS satellite waves shows the installation location of the industrial machine 10 as a one-dimensional position (point). In contrast, the installation location of the industrial machine 10 estimated from the global IP address shows the installation location of the industrial machine 10 as a two-dimensional area (plane). The two-dimensional area means a predetermined range of area specified by, for example, a country, a state, a prefecture, a city, a town, a village, etc. The global IP address is not suitable as an identifier of the industrial machine 10 because it is not information specific to the industrial machine 10 and may change. Even if the global IP address assigned to the industrial machine 10 is changed, information about the installation area, including the installation location of the industrial machine 10, does not change.

産業機械１０に関連する「関連情報」とは、例えば、テーブルサイズ、稼働率、主軸能力、工具情報（種別、サイズなど）、加工情報（加工負荷、加工時間、加工軌跡など）及びプログラム情報（メインプログラム番号など）などであるが、これらには限られない。 Examples of "related information" related to the industrial machine 10 include, but are not limited to, table size, operating rate, spindle capacity, tool information (type, size, etc.), machining information (machining load, machining time, machining trajectory, etc.), and program information (main program number, etc.).

（管理部２０）
管理部２０は、通信部２１、記憶部２２及び判定部２３を有する。管理部２０は、産業機械識別装置である。管理部２０の機能は、サーバーにより達成される。サーバーは、クラウドサーバーであってよい。 (Management Unit 20)
The management unit 20 includes a communication unit 21, a storage unit 22, and a determination unit 23. The management unit 20 is an industrial machine identification device. The functions of the management unit 20 are achieved by a server. The server may be a cloud server.

通信部２１は、ネットワークを介して産業機械１０のコントローラ１１と通信可能である。通信部２１は、コントローラ１１から、産業機械１０の識別子を示す「識別情報」と、産業機械１０の設置場所を示す「設置場所情報」と、産業機械１０に関連する「関連情報」とを受信する。 The communication unit 21 is capable of communicating with the controller 11 of the industrial machine 10 via the network. The communication unit 21 receives from the controller 11 "identification information" indicating the identifier of the industrial machine 10, "installation location information" indicating the installation location of the industrial machine 10, and "related information" related to the industrial machine 10.

通信部２１は、受信した「識別情報」、「設置場所情報」及び「関連情報」を記憶部２２に記憶させる。 The communication unit 21 stores the received "identification information," "installation location information," and "related information" in the memory unit 22.

記憶部２２は、通信部２１が過去に受信した「識別情報」、「設置場所情報」及び「関連情報」を紐づけて記憶している。記憶部２２は、「識別情報」及び「設置場所情報」の組み合わせごとに「関連情報」を集積することができる。「識別情報」及び「設置場所情報」の組み合わせによって複数の産業機械１０の中の１つの産業機械１０が特定されるので、記憶部２２には、産業機械１０ごとに「関連情報」が集積されることになる。 The memory unit 22 stores the "identification information," "installation location information," and "related information" previously received by the communication unit 21 in a linked manner. The memory unit 22 can accumulate "related information" for each combination of "identification information" and "installation location information." Since one industrial machine 10 among multiple industrial machines 10 is identified by the combination of "identification information" and "installation location information," the memory unit 22 accumulates "related information" for each industrial machine 10.

ここで、説明を分かりやすくするために、通信部２１が、第１産業機械１０ｘの識別子を示す「第１識別情報」と、第１産業機械１０ｘの設置場所を示す「第１設置場所情報」と、第１産業機械１０ｘに関連する「第１関連情報」とを新たに受信した場合を想定する。そして、記憶部２２は、第２産業機械１０ｙの識別子を示す「第２識別情報」と、第２産業機械１０ｙの設置場所を示す「第２設置場所情報」と、第２産業機械１０ｙに関連する「第２関連情報」とを紐づけて既に記憶しているものとする。 Here, for ease of understanding, it is assumed that the communication unit 21 newly receives "first identification information" indicating the identifier of the first industrial machine 10x, "first installation location information" indicating the installation location of the first industrial machine 10x, and "first related information" related to the first industrial machine 10x. It is also assumed that the memory unit 22 has already stored "second identification information" indicating the identifier of the second industrial machine 10y, "second installation location information" indicating the installation location of the second industrial machine 10y, and "second related information" related to the second industrial machine 10y in association with each other.

第１産業機械１０ｘ及び第２産業機械１０ｙそれぞれは複数の産業機械１０の中のいずれかではあるが、通信部２１が「第１識別情報」、「第１設置場所情報」及び「第１関連情報」を受信した時点では、第１産業機械１０ｘと第２産業機械１０ｙとが同一であるか否か不明である。そのため、通信部２１は、「第１関連情報」を第２産業機械１０ｙに関連する情報として集積すべきか否か判断できない。 Although the first industrial machine 10x and the second industrial machine 10y are each one of a plurality of industrial machines 10, at the time when the communication unit 21 receives the "first identification information", the "first installation location information", and the "first related information", it is unclear whether the first industrial machine 10x and the second industrial machine 10y are the same. Therefore, the communication unit 21 cannot determine whether the "first related information" should be accumulated as information related to the second industrial machine 10y.

そこで、判定部２３が、「第１識別情報」と「第２識別情報」との比較結果（識別情報比較結果）と、「第１設置場所情報」と「第２設置場所情報」との比較結果（設置場所情報比較結果）とに基づいて、第１産業機械１０ｘと第２産業機械１０ｙとが同一であるか否かを判定する。具体的には、次の通りである。 Then, the determination unit 23 determines whether the first industrial machine 10x and the second industrial machine 10y are the same based on the result of the comparison between the "first identification information" and the "second identification information" (identification information comparison result) and the result of the comparison between the "first installation location information" and the "second installation location information" (installation location information comparison result). Specifically, this is as follows.

判定部２３は、「第１識別情報」と「第２識別情報」とを比較して、第１産業機械１０ｘの識別子と第２産業機械１０ｙの識別子とが同一であるか否かを判定する。 The determination unit 23 compares the "first identification information" with the "second identification information" to determine whether the identifier of the first industrial machine 10x and the identifier of the second industrial machine 10y are the same.

判定部２３は、「第１設置場所情報」と「第２設置場所情報」とを比較して、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが一部又は全部で重なるか否かを判定する。判定部２３は、「第１設置場所情報」から推定される第１産業機械１０ｘの設置場所を含む設置領域と「第２設置場所情報」から推定される第２産業機械１０ｙの設置場所を含む設置領域とが少なくとも一部で重なるか否かを判定する。設置領域は点であってもよい。 The determination unit 23 compares the "first installation location information" with the "second installation location information" to determine whether the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y overlap in part or in whole. The determination unit 23 determines whether an installation area including the installation location of the first industrial machine 10x estimated from the "first installation location information" and an installation area including the installation location of the second industrial machine 10y estimated from the "second installation location information" overlap at least in part. The installation area may be a point.

第１産業機械１０ｘの識別子と第２産業機械１０ｙの識別子とが同一であり、かつ、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが一部又は全部で重なる場合、判定部２３は、第１産業機械１０ｘと第２産業機械１０ｙとが同一の産業機械であると判定する。
第１産業機械１０ｘの識別子と第２産業機械１０ｙの識別子とが同一であり、かつ、第１産業機械１０ｘの設置領域と第２産業機械１０ｙの設置領域とが少なくとも一部で重なる場合、判定部２３は、第１産業機械１０ｘと第２産業機械１０ｙとが同一の産業機械であると判定する。従って、判定部２３が第１産業機械１０ｘと第２産業機械１０ｙとが同一であると判定する場合、識別情報比較結果は、第１識別情報と前記第２識別情報とが同一であるとの内容である。また、判定部２３が第１産業機械１０ｘと第２産業機械１０ｙとが同一であると判定する場合、設置場所情報比較結果は、第１設置場所情報から推定される第１産業機械１０ｘの設置領域と第２設置場所情報から推定される第２産業機械１０ｙの設置領域とが少なくとも一部で重なるとの内容である。 If the identifier of the first industrial machine 10x and the identifier of the second industrial machine 10y are the same and the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y overlap in part or in whole, the judgment unit 23 judges that the first industrial machine 10x and the second industrial machine 10y are the same industrial machine.
When the identifier of the first industrial machine 10x and the identifier of the second industrial machine 10y are the same and the installation area of the first industrial machine 10x and the installation area of the second industrial machine 10y at least partially overlap, the determination unit 23 determines that the first industrial machine 10x and the second industrial machine 10y are the same industrial machine. Therefore, when the determination unit 23 determines that the first industrial machine 10x and the second industrial machine 10y are the same, the identification information comparison result indicates that the first identification information and the second identification information are the same. Also, when the determination unit 23 determines that the first industrial machine 10x and the second industrial machine 10y are the same, the installation location information comparison result indicates that the installation area of the first industrial machine 10x estimated from the first installation location information and the installation area of the second industrial machine 10y estimated from the second installation location information at least partially overlap.

第１産業機械１０ｘと第２産業機械１０ｙとが同一であると判定部２３が判定すると、通信部２１は、「第１関連情報」を「第２識別情報」及び「第２設置場所情報」と紐づけて記憶部２２に記憶させる。これによって、「第１関連情報」は、第２産業機械１０ｙに関連する情報として、「第２関連情報」とともに集積される。 When the determination unit 23 determines that the first industrial machine 10x and the second industrial machine 10y are the same, the communication unit 21 links the "first related information" with the "second identification information" and the "second installation location information" and stores them in the memory unit 22. As a result, the "first related information" is accumulated together with the "second related information" as information related to the second industrial machine 10y.

一方、第１産業機械１０ｘの識別子と第２産業機械１０ｙの識別子とが同一でない場合、判定部２３は、第１産業機械１０ｘと第２産業機械１０ｙとは同一でないと判定する。また、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが重ならない場合、判定部２３は、第１産業機械１０ｘと第２産業機械１０ｙとは同一でないと判定する。従って、判定部２３が第１産業機械１０ｘと第２産業機械１０ｙとが同一でないと判定する場合、識別情報比較結果が、第１識別情報と前記第２識別情報とが同一でないとの内容であるか、或いは、設置場所情報比較結果が、第１設置場所情報から推定される第１産業機械１０ｘの設置領域と第２設置場所情報から推定される第２産業機械１０ｙの設置領域とが全く重ならないとの内容である。 On the other hand, if the identifier of the first industrial machine 10x and the identifier of the second industrial machine 10y are not the same, the judgment unit 23 judges that the first industrial machine 10x and the second industrial machine 10y are not the same. Also, if the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y do not overlap, the judgment unit 23 judges that the first industrial machine 10x and the second industrial machine 10y are not the same. Therefore, when the judgment unit 23 judges that the first industrial machine 10x and the second industrial machine 10y are not the same, the identification information comparison result indicates that the first identification information and the second identification information are not the same, or the installation location information comparison result indicates that the installation area of the first industrial machine 10x estimated from the first installation location information and the installation area of the second industrial machine 10y estimated from the second installation location information do not overlap at all.

第１産業機械１０ｘと第２産業機械１０ｙとが同一でないと判定部２３が判定すると、通信部２１は、「第１関連情報」を「第１識別情報」及び「第１設置場所情報」と紐づけて記憶部２２に記憶させる。これによって、「第１関連情報」は、第２産業機械１０ｙとは関連のない情報として、「第２関連情報」とは別で記憶部２２に格納される。 When the determination unit 23 determines that the first industrial machine 10x and the second industrial machine 10y are not identical, the communication unit 21 links the "first related information" with the "first identification information" and the "first installation location information" and stores them in the memory unit 22. As a result, the "first related information" is stored in the memory unit 22 separately from the "second related information" as information unrelated to the second industrial machine 10y.

このように、「第１識別情報」と「第２識別情報」との比較結果だけでなく「第１設置場所情報」と「第２設置場所情報」との比較結果も用いられるため、識別子だけでなく設置場所も考慮して第１産業機械１０ｘと第２産業機械１０ｙとを識別できる。よって、互いに異なる２つの産業機械１０の識別子がたまたま同一であったとしても、両者が異なる産業機械であることを識別できるため、両者の「関連情報」が混交してしまうことを抑制できる。 In this way, not only the comparison result between the "first identification information" and the "second identification information" but also the comparison result between the "first installation location information" and the "second installation location information" are used, so the first industrial machine 10x and the second industrial machine 10y can be identified by considering not only the identifiers but also the installation locations. Therefore, even if the identifiers of two different industrial machines 10 happen to be the same, it is possible to identify that they are different industrial machines, and it is possible to prevent the "related information" of the two machines from becoming mixed up.

ここで、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが一部又は全部で重なるか否かを判定部２３が判定する際、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが一次元位置であるか二次元領域であるかに留意すべきである。 Here, when the determination unit 23 determines whether the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y overlap in part or in whole, attention should be paid to whether the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y are one-dimensional positions or two-dimensional regions.

設置場所が一次元位置である場合とは、ＧＮＳＳの衛星波に基づいて設置場所が取得された場合である。設置場所が二次元領域である場合とは、グローバルＩＰアドレスから設置場所が推測された場合である。 When the installation location is a one-dimensional location, it means that the installation location is obtained based on GNSS satellite waves. When the installation location is a two-dimensional area, it means that the installation location is inferred from a global IP address.

第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所との両方が二次元領域である場合、判定部２３は、各二次元領域が一部又は全部で重なるか否かを判定する。判定部２３は、各二次元領域の少なくとも一部が重なっている場合に、第１産業機械１０ｘの設置場所と第２産業機械１０ｙの設置場所とが同じであると判定することができる。 When both the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y are two-dimensional regions, the determination unit 23 determines whether or not the two-dimensional regions overlap in part or in whole. When the two-dimensional regions at least partially overlap, the determination unit 23 can determine that the installation location of the first industrial machine 10x and the installation location of the second industrial machine 10y are the same.

第１産業機械１０ｘの設置場所が一次元位置であり、第２産業機械１０ｙの設置場所が二次元領域である場合、判定部２３は、第１産業機械１０ｘの一次元位置に代えて、当該一次元位置を含む二次元領域を第１産業機械１０ｘの設置場所として用いることが好ましい。例えば、二次元領域として自機の場積を想定する場合には一次元位置を中心とする半径５ｍの円を二次元領域とし、二次元領域として建屋を想定する場合には一次元位置を中心とする半径５０ｍの円を二次元領域とし、二次元領域として工場の敷地を想定する場合には一次元位置を中心とする半径５００ｍの円を二次元領域とすることができる。或いは、一次元位置を含む行政区や国などを二次元領域とすることもできる。これによって、第１産業機械１０ｘの設置場所の測位精度が低い場合であっても、第１産業機械１０ｘが第２産業機械１０ｙと同一ではないと誤判定することを抑制できる。特に、第１産業機械１０ｘが屋内に配置されている場合には、ＧＮＳＳの衛星波に基づく測位精度が低くなりやすいため有効である。 When the installation location of the first industrial machine 10x is a one-dimensional position and the installation location of the second industrial machine 10y is a two-dimensional area, it is preferable that the judgment unit 23 uses a two-dimensional area including the one-dimensional position as the installation location of the first industrial machine 10x instead of the one-dimensional position of the first industrial machine 10x. For example, when the area of the machine itself is assumed as the two-dimensional area, the two-dimensional area can be a circle with a radius of 5 m centered on the one-dimensional position, when a building is assumed as the two-dimensional area, the two-dimensional area can be a circle with a radius of 50 m centered on the one-dimensional position, and when a factory site is assumed as the two-dimensional area, the two-dimensional area can be a circle with a radius of 500 m centered on the one-dimensional position. Alternatively, an administrative district or country including the one-dimensional position can be the two-dimensional area. This can suppress erroneous determination that the first industrial machine 10x is not the same as the second industrial machine 10y even when the positioning accuracy of the installation location of the first industrial machine 10x is low. This is particularly effective when the first industrial machine 10x is located indoors, as the positioning accuracy based on GNSS satellite waves tends to be low.

また、第１産業機械１０ｘの設置場所が二次元領域であり、第２産業機械１０ｙの設置場所が一次元位置である場合、判定部２３は、第２産業機械１０ｙの一次元位置に代えて、当該一次元位置を含む二次元領域を第２産業機械１０ｙの設置場所として用いることが好ましい。 In addition, when the installation location of the first industrial machine 10x is a two-dimensional area and the installation location of the second industrial machine 10y is a one-dimensional position, it is preferable that the determination unit 23 uses a two-dimensional area including the one-dimensional position as the installation location of the second industrial machine 10y instead of the one-dimensional position of the second industrial machine 10y.

更に、第１産業機械１０ｘ及び第２産業機械１０ｙそれぞれの設置場所が一次元位置である場合、判定部２３は、一次元位置に代えて、当該一次元位置を含む二次元領域を各設置場所として用いることが好ましい。 Furthermore, when the installation locations of the first industrial machine 10x and the second industrial machine 10y are one-dimensional positions, it is preferable that the determination unit 23 uses a two-dimensional area including the one-dimensional positions as each installation location instead of the one-dimensional positions.

ただし、第１産業機械１０ｘ及び第２産業機械１０ｙそれぞれの設置場所のうち少なくとも一方が一次元位置であったとしても、測位精度が高ければ一次元位置を設置場所としてそのまま用いてもよい。 However, even if at least one of the installation locations of the first industrial machine 10x and the second industrial machine 10y is a one-dimensional position, if the positioning accuracy is high, the one-dimensional position may be used as the installation location as is.

（産業機械識別方法）
本実施形態に係る産業機械識別方法について、図２を参照しながら説明する。図２は、産業機械識別方法の流れを示すフローチャートを示す。 (Industrial Machine Identification Method)
The industrial machine identification method according to this embodiment will be described with reference to Fig. 2. Fig. 2 shows a flowchart showing the flow of the industrial machine identification method.

ステップＳ１において、記憶部２２は、複数の産業機械１０に含まれる第２産業機械１０ｙについての「第２識別情報」、「第２設置場所情報」及び「第２関連情報」を紐づけて記憶する。 In step S1, the memory unit 22 stores in association with each other the "second identification information," "second installation location information," and "second related information" for a second industrial machine 10y included in the plurality of industrial machines 10.

ステップＳ２において、通信部２１は、複数の産業機械１０に含まれる第１産業機械１０ｘから「第１識別情報」、「第１設置場所情報」及び「第１関連情報」を受信する。 In step S2, the communication unit 21 receives the "first identification information," "first installation location information," and "first related information" from a first industrial machine 10x included in the plurality of industrial machines 10.

ステップＳ３において、判定部２３は、「第１識別情報」と「第２識別情報」とを比較して、第１及び第２産業機械１０ｘ，１０ｙそれぞれの識別子が同一であるか否かを判定する。 In step S3, the determination unit 23 compares the "first identification information" with the "second identification information" to determine whether the identifiers of the first and second industrial machines 10x and 10y are identical.

ステップＳ３において第１及び第２産業機械１０ｘ，１０ｙそれぞれの識別子が同一でないと判定された場合、処理はステップＳ４へと進み、判定部２３は、第１及び第２産業機械１０ｘ，１０ｙが同一の産業機械でないと判定する。 If it is determined in step S3 that the identifiers of the first and second industrial machines 10x, 10y are not identical, the process proceeds to step S4, where the determination unit 23 determines that the first and second industrial machines 10x, 10y are not the same industrial machine.

ステップＳ３において第１及び第２産業機械１０ｘ，１０ｙそれぞれの識別子が同一であると判定された場合、処理はステップＳ５へと進み、判定部２３は、第１及び第２産業機械１０ｘ，１０ｙそれぞれの設置場所が一部又は全部で重なるか否か判定する。 If it is determined in step S3 that the identifiers of the first and second industrial machines 10x and 10y are identical, the process proceeds to step S5, where the determination unit 23 determines whether the installation locations of the first and second industrial machines 10x and 10y overlap in part or in whole.

ステップＳ５において第１及び第２産業機械１０ｘ，１０ｙそれぞれの設置場所が一部又は全部で重ならないと判定された場合、処理はステップＳ４へと進み、判定部２３は、第１及び第２産業機械１０ｘ，１０ｙが同一の産業機械でないと判定する。 If it is determined in step S5 that the installation locations of the first and second industrial machines 10x and 10y do not overlap in whole or in part, the process proceeds to step S4, where the determination unit 23 determines that the first and second industrial machines 10x and 10y are not the same industrial machine.

ステップＳ５において第１及び第２産業機械１０ｘ，１０ｙそれぞれの設置場所が一部又は全部で重なると判定された場合、処理はステップＳ６へと進み、判定部２３は、第１及び第２産業機械１０ｘ，１０ｙが同一の産業機械であると判定する。 If it is determined in step S5 that the installation locations of the first and second industrial machines 10x and 10y overlap in part or in whole, the process proceeds to step S6, where the determination unit 23 determines that the first and second industrial machines 10x and 10y are the same industrial machine.

１ 産業機械識別システム
１０ 産業機械
１１ コントローラ
２０ 管理部（産業機械識別装置）
２１ 通信部
２２ 記憶部
２３ 判定部 1 Industrial machine identification system 10 Industrial machine 11 Controller 20 Management unit (industrial machine identification device)
21 Communication section 22 Storage section 23 Judgment section

Claims (9)

複数の産業機械と、
前記複数の産業機械に含まれる第１産業機械の識別子を示す第１識別情報、前記第１産業機械の設置場所を示す第１設置場所情報及び前記第１産業機械に関連する第１関連情報と、前記複数の産業機械に含まれる第２産業機械の識別子を示す第２識別情報、前記第２産業機械の設置場所を示す第２設置場所情報及び前記第２産業機械に関連する第２関連情報とを受信する通信部と、
前記第１識別情報と前記第２識別情報との比較結果と、前記第１設置場所情報と前記第２設置場所情報との比較結果とに基づいて、前記第１産業機械と前記第２産業機械とが同一であるか否かを判定する判定部と、
前記第１産業機械と前記第２産業機械とが同一であると判定された場合、前記第１関連情報と前記第２関連情報とを同じ産業機械に関連する情報として記憶する記憶部と、
を備える産業機械識別システム。 Multiple industrial machines,
a communication unit that receives first identification information indicating an identifier of a first industrial machine included in the plurality of industrial machines, first installation location information indicating an installation location of the first industrial machine, and first related information related to the first industrial machine, and second identification information indicating an identifier of a second industrial machine included in the plurality of industrial machines, second installation location information indicating an installation location of the second industrial machine, and second related information related to the second industrial machine;
a determination unit that determines whether or not the first industrial machine and the second industrial machine are the same based on a comparison result between the first identification information and the second identification information and a comparison result between the first installation location information and the second installation location information;
a storage unit that stores the first related information and the second related information as information related to the same industrial machine when it is determined that the first industrial machine and the second industrial machine are the same;
An industrial machine identification system comprising: 前記判定部は、前記第１産業機械の識別子と前記第２産業機械の識別子とが同一であり、かつ、前記第１産業機械の設置場所と前記第２産業機械の設置場所との一部又は全部が重なる場合、前記第１産業機械と前記第２産業機械とが同一であると判定する、
請求項１に記載の産業機械識別システム。 the determination unit determines that the first industrial machine and the second industrial machine are the same when an identifier of the first industrial machine and an identifier of the second industrial machine are the same and an installation location of the first industrial machine and an installation location of the second industrial machine partially or entirely overlap.
2. The industrial machine identification system of claim 1. 前記第１産業機械の設置場所と前記第２産業機械の設置場所との少なくとも一方が一次元位置である場合、
前記判定部は、前記一次元位置に代えて、前記一次元位置を含む二次元領域を設置場所とする、
請求項２に記載の産業機械識別システム。 When at least one of an installation location of the first industrial machine and an installation location of the second industrial machine is a one-dimensional position,
The determination unit determines a two-dimensional area including the one-dimensional position as an installation location instead of the one-dimensional position.
3. The industrial machine identification system of claim 2. 前記第１産業機械の設置場所は、ＧＮＳＳの衛星波に基づいて得られた前記第１産業機械の設置場所、及び、前記第１産業機械のグローバルＩＰアドレスから推測された前記第１産業機械の設置場所のうち少なくとも１つであり、
前記第２産業機械の設置場所は、ＧＮＳＳの衛星波に基づいて得られた前記第２産業機械の設置場所、及び、前記第２産業機械のグローバルＩＰアドレスから推測された前記第２産業機械の設置場所のうち少なくとも１つである、
請求項１乃至３のいずれか１項に記載の産業機械識別システム。 the installation location of the first industrial machine is at least one of an installation location of the first industrial machine obtained based on a satellite wave of a GNSS and an installation location of the first industrial machine estimated from a global IP address of the first industrial machine,
the installation location of the second industrial machine is at least one of an installation location of the second industrial machine obtained based on a satellite wave of a GNSS and an installation location of the second industrial machine estimated from a global IP address of the second industrial machine;
4. An industrial machine identification system according to claim 1. 前記第１産業機械の識別子は、前記第１産業機械のＭＡＣアドレス、前記第１産業機械の識別記号、及び、前記第１産業機械が有するコントローラの識別記号のうち少なくとも１つであり、
前記第２産業機械の識別子は、前記第２産業機械のＭＡＣアドレス、前記第２産業機械の識別記号、及び、前記第２産業機械が有するコントローラの識別記号のうち少なくとも１つである、
請求項１乃至４のいずれか１項に記載の産業機械識別システム。 the identifier of the first industrial machine is at least one of a MAC address of the first industrial machine, an identification symbol of the first industrial machine, and an identification symbol of a controller included in the first industrial machine,
the identifier of the second industrial machine is at least one of a MAC address of the second industrial machine, an identification symbol of the second industrial machine, and an identification symbol of a controller included in the second industrial machine;
5. An industrial machine identification system according to any one of claims 1 to 4. 第１産業機械の識別子を示す第１識別情報と前記第１産業機械の設置場所を示す第１設置場所情報と前記第１産業機械に関連する第１関連情報とを前記第１産業機械から取得する工程と、
第２産業機械の識別子を示す第２識別情報と前記第２産業機械の設置場所を示す第２設置場所情報と前記第２産業機械に関連する第２関連情報とを前記第２産業機械から取得する工程と、
前記第１識別情報と前記第２識別情報との比較結果と、前記第１設置場所情報と前記第２設置場所情報との比較結果とに基づいて、前記第１産業機械と前記第２産業機械とが同一であるか否かを判定する工程と、
前記第１産業機械と前記第２産業機械とが同一であると判定された場合、前記第１関連情報と前記第２関連情報とを同じ産業機械に関連する情報として記憶する工程と、
を備える産業機械識別方法。 acquiring, from a first industrial machine, first identification information indicating an identifier of a first industrial machine, first installation location information indicating an installation location of the first industrial machine, and first related information related to the first industrial machine;
acquiring, from the second industrial machine, second identification information indicating an identifier of the second industrial machine, second installation location information indicating an installation location of the second industrial machine, and second related information related to the second industrial machine;
determining whether the first industrial machine and the second industrial machine are the same based on a comparison result between the first identification information and the second identification information and a comparison result between the first installation location information and the second installation location information;
a step of storing the first related information and the second related information as information related to the same industrial machine when it is determined that the first industrial machine and the second industrial machine are the same;
An industrial machine identification method comprising: 複数の産業機械と通信可能な産業機械識別装置であって、
前記複数の産業機械に含まれる第１産業機械の識別子を示す第１識別情報、前記第１産業機械の設置場所を示す第１設置場所情報及び前記第１産業機械に関連する第１関連情報と、前記複数の産業機械に含まれる第２産業機械の識別子を示す第２識別情報、前記第２産業機械の設置場所を示す第２設置場所情報及び前記第２産業機械に関連する第２関連情報とを受信する通信部と、
前記第１識別情報と前記第２識別情報との識別情報比較結果と、前記第１設置場所情報と前記第２設置場所情報の設置場所情報比較結果とに基づいて、前記第１産業機械と前記第２産業機械とが同一であるか否かを判定する判定部と、
前記第１産業機械と前記第２産業機械とが同一であると判定された場合、前記第１関連情報と前記第２関連情報とを同じ産業機械に関連する情報として記憶する記憶部と、
を備える産業機械識別装置。 An industrial machine identification device capable of communicating with a plurality of industrial machines,
a communication unit that receives first identification information indicating an identifier of a first industrial machine included in the plurality of industrial machines , first installation location information indicating an installation location of the first industrial machine, and first related information related to the first industrial machine , and second identification information indicating an identifier of a second industrial machine included in the plurality of industrial machines , second installation location information indicating an installation location of the second industrial machine, and second related information related to the second industrial machine ;
a determination unit that determines whether or not the first industrial machine and the second industrial machine are the same based on an identification information comparison result between the first identification information and the second identification information and an installation location information comparison result between the first installation location information and the second installation location information;
a storage unit that stores the first related information and the second related information as information related to the same industrial machine when it is determined that the first industrial machine and the second industrial machine are the same;
An industrial machine identification device comprising: 前記判定部が前記第１産業機械と前記第２産業機械とが同一であると判定する場合、前記第１識別情報と前記第２識別情報とが同一であるとの前記識別情報比較結果である、
請求項７に記載の産業機械識別装置。 when the determination unit determines that the first industrial machine and the second industrial machine are the same, the identification information comparison result indicates that the first identification information and the second identification information are the same.
8. The industrial machine identification device according to claim 7. 前記判定部が前記第１産業機械と前記第２産業機械とが同一であると判定する場合、前記第１設置場所情報から推定される前記第１産業機械の設置領域と前記第２設置場所情報から推定される第２産業機械の設置領域の少なくとも一部が重なるとの前記設置場所情報比較結果である、
請求項７に記載の産業機械識別装置。 When the determination unit determines that the first industrial machine and the second industrial machine are the same, the installation location information comparison result indicates that an installation area of the first industrial machine estimated from the first installation location information and an installation area of the second industrial machine estimated from the second installation location information at least partially overlap with each other.
8. The industrial machine identification device according to claim 7.
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