WO2024042692A1 - Système de gestion de données tridimensionnelles de composants - Google Patents

Système de gestion de données tridimensionnelles de composants Download PDF

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Publication number
WO2024042692A1
WO2024042692A1 PCT/JP2022/032131 JP2022032131W WO2024042692A1 WO 2024042692 A1 WO2024042692 A1 WO 2024042692A1 JP 2022032131 W JP2022032131 W JP 2022032131W WO 2024042692 A1 WO2024042692 A1 WO 2024042692A1
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Prior art keywords
dimensional data
related information
network
management system
data
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PCT/JP2022/032131
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English (en)
Japanese (ja)
Inventor
泰夫 室▲崎▼
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株式会社Star Craft
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Priority to PCT/JP2022/032131 priority Critical patent/WO2024042692A1/fr
Publication of WO2024042692A1 publication Critical patent/WO2024042692A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

Definitions

  • the present invention relates to a three-dimensional data management system for parts that prevents falsification and theft of three-dimensional data, and particularly relates to a three-dimensional data management system for parts of automobiles, particularly classic cars.
  • the electronic watermark is a technology that attempts to deter fraudulent acts by integrating content and embedded information to detect and warn of fraud, but it does not prevent fraudulent acts themselves.
  • the electronic signature is a technology that encrypts electronic information together with copyright information and terms of use so that even if it is copied, it cannot be used without the authorized key. Once acquired, falsification or plagiarism cannot be prevented.
  • blockchain is a technology that maintains accurate transaction history by linking transaction history from the past like a single chain, and the evidence of all transactions is held in a distributed manner by many people. Because it is difficult to falsify or steal data, it is said to be a technology that can record data extremely safely.
  • classic cars are said to refer to ⁇ cars manufactured before 1975'' (Japan Classic Car Association).
  • the three-dimensional data of the parts that is generated and stored, which is used to manufacture the parts with a 3D printer, is important.
  • the three-dimensional data of parts is electronic information, there is always a risk of falsification and theft during its storage and transactions. Once falsified or plagiarized, it may result in significant economic loss.
  • the present inventor has conducted various studies and found that by combining 3D printer-related technologies such as 3D scanners and 3D printers with blockchain technology, it is possible to prevent falsification and theft of 3D data of parts. We discovered that it is possible to construct a system based on
  • an object of the present invention is to construct an effective system that prevents falsification and theft of three-dimensional data of parts by combining 3D printer-related technologies such as 3D scanners and 3D printers with blockchain technology.
  • a management system for three-dimensional data of parts using blockchain comprising: A plurality of computer terminals connected via a P2P connection via a first network, and a three-dimensional data processing device connected via a second network connected to each of the plurality of computer terminals, here, In the three-dimensional data processing device, the three-dimensional data and related information are generated, the three-dimensional data and related information are transmitted and stored to the plurality of computer terminals via the second network; Regarding the three-dimensional data and related information, a new current block containing the hash value of the previous block for the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information is generated.
  • the current block is broadcast within the first network and stored on the plurality of computer terminals; management system.
  • the three-dimensional data and related information are authenticated in the first network, and the current block is generated for the three-dimensional data and related information after the authentication.
  • management system [5] The management system according to any one of [1] to [4], wherein the three-dimensional data and related information in the new block are protected by a digital watermark or a digital signature.
  • a public key and a private key are created, the three-dimensional data and related information are signed with the private key, and the three-dimensional data and related information are verified with the public key.[5] ] management system.
  • the three-dimensional data processing device is at least one selected from the group consisting of a 3D scanner, 3D-CAD, 3D modeler, and 3D printer.
  • the three-dimensional data is at least one selected from the group consisting of scan data generated by the 3D scanner, correction data generated by the 3D-CAD, and modification data generated by the 3D modeler.
  • the management system according to any one of [1] to [7].
  • the related information is at least one selected from the group consisting of manufacturing information of parts manufactured by the 3D printer, rights information of the three-dimensional data, work information, and transaction information, [1]- [8] Any of the management systems.
  • the management system according to [9] wherein the manufacturing information of the component is any one information selected from the group consisting of manufacturing date and time of the component, manufacturer, and manufacturing details.
  • the rights information is at least one piece of information selected from the group consisting of a creator of three-dimensional data, a person in charge of creation, date and time of creation, and content of creation.
  • the transaction information is at least one information selected from the group consisting of transaction data of the three-dimensional data, business partner, transaction type, transaction purpose, transaction conditions, and transaction method. Any management system.
  • the transaction method involves erasure of the three-dimensional data after a certain period of time or a time limit by limiting a password validity period.
  • the management system according to [13] or [14], wherein the transaction method involves restriction based on biometric authentication that identifies the person in charge of the work at the business partner.
  • the computer terminal includes a communication unit that transmits and receives the three-dimensional data and related information, a storage unit that stores the three-dimensional data and related information, and processes the previous block using a hash function to create the current block.
  • the management system according to any one of [1] to [15], comprising a blockchain creation unit that stores the new block, and a data storage unit that stores the new block.
  • the computer terminal is selected from the group consisting of a creator of the scan data, a creator of the correction data, a creator of the modification data, a parts manufacturer, a provider and a recipient of the three-dimensional data.
  • the management system according to any one of [1] to [16], which is one computer terminal.
  • the plurality of computer terminals in the first network one or a small number of central terminals are installed, and the central terminal receives terminal installation rights and the three-dimensional data of other computer terminals connected to the first network.
  • the management system according to any one of [1] to [17], which manages access rights to, processing functions of the other computer terminals, and transaction rights.
  • the processing function of the computer terminal is selected from the group consisting of viewing and using three-dimensional data, generating and storing the new data and related information, and trading three-dimensional data. management system.
  • the central terminal further includes a central management unit that authenticates the three-dimensional data and related information; Management system of [19].
  • the consensus-building algorithm is one selected from the group consisting of proof of work, proof of stake, and proof of importance.
  • (computer terminal) A computer terminal installed in multiple parts in a management system for three-dimensional data of parts using blockchain, Computer terminals connected to each other by a P2P connection via a first network and connected to a three-dimensional data processing device via a second network, receiving and storing the three-dimensional data and related information generated in the three-dimensional data processing device via the second network; For the three-dimensional data and related information, generate a new current block including the hash value of the previous block for the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information. death, broadcasting the current block into the first network and saving the broadcasted current block; computer terminal.
  • a central terminal that manages terminal installation rights, access rights to the three-dimensional data, processing functions of the other computer terminals, and transaction rights of other computer terminals other than the one or a small number of central terminals installed.
  • (3D data management program) a plurality of computer terminals connected via a P2P connection via a first network; and a three-dimensional data processing device connected via a second network connected to each of the plurality of computer terminals.
  • the management system controlling the plurality of computer terminals, In the three-dimensional data processing device, generating the three-dimensional data and related information, transmitting and storing the three-dimensional data and related information to the computer terminal via the second network; Regarding the three-dimensional data and related information, a new current block is generated that includes the hash value of the block immediately before the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information. , broadcasting the current block within the first network and storing it on the plurality of computer terminals; 3D data management program.
  • a method for managing three-dimensional data of parts using blockchain a plurality of computer terminals connected via a P2P connection via a first network; and a three-dimensional data processing device connected via a second network connected to each of the plurality of computer terminals;
  • the three-dimensional data processing device In the three-dimensional data processing device, the three-dimensional data and related information are generated, the three-dimensional data and related information are transmitted to the computer terminal via the second network;
  • a new current block containing the hash value of the previous block of the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information is generated.
  • the current block is broadcast within the first network and stored on the plurality of computer terminals; Management method.
  • the three-dimensional data management system for parts it is possible to achieve an effective system for preventing falsification and theft of three-dimensional data on parts in automobiles, especially classic cars.
  • the three-dimensional data management system for parts it is also possible to manage the generation of part data and related information and transaction information, and to make the management of three-dimensional data and related information smooth and easy. I can do it.
  • FIG. 2 is a diagram illustrating an outline of one form of a first network of P2P connection in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an outline of one form of a first network and a second network connected to a computer terminal in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an overview of one form of a three-dimensional data processing device of a second network in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • FIG. 2 is a diagram showing one form of data generation, transmission, authentication, and storage in a three-dimensional data processing device in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • 1 is a diagram illustrating an outline of a configuration of a computer terminal in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • FIG. 2 is a diagram illustrating an overview of one form of a block (B) creation mechanism in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • 1 is a diagram showing one form of a parts manufacturing system in a management system for three-dimensional data of parts according to an embodiment of the present invention; FIG. FIG.
  • FIG. 2 is a diagram illustrating an overview of a central terminal and other computer terminals in a management system for three-dimensional data of parts according to an embodiment of the present invention.
  • 1 is a diagram schematically showing one form of a configuration of a central terminal in a management system for three-dimensional data of parts according to an embodiment of the present invention. It is a figure which shows the flowchart of one form of the process of the three-dimensional data management program of parts based on embodiment of this invention.
  • FIG. 2 is a diagram illustrating a flowchart of one form of steps of a three-dimensional data management method for parts according to an embodiment of the present invention.
  • 1 is a diagram schematically showing an example of an embodiment of a three-dimensional data management system for parts according to an embodiment of the present invention;
  • FIG. 1 is a diagram schematically showing an example of an embodiment of a three-dimensional data management system for parts according to an embodiment of the present invention
  • FIG. 1 is a diagram schematically showing an example of an embodiment of a three-dimensional data management system for parts according to an embodiment of the present invention
  • FIG. 1 is a diagram schematically showing an example of an embodiment of a three-dimensional data management system for parts according to an embodiment of the present invention
  • FIG. 1 is a diagram schematically showing an example of an embodiment of a three-dimensional data management system for parts according to an embodiment of the present invention
  • the first aspect of the present invention is a management system for three-dimensional data of parts using blockchain, and as an embodiment shown in FIG.
  • a plurality of computer terminals 200: in FIG. 1, n terminals from 200 X1 to 200
  • a three-dimensional data processing device 400: in the figure
  • a second network 300: n networks from 300X1 to 300Xn in Figure 2
  • the management system comprising: In the three-dimensional data processing device (400), the three-dimensional data and related information are generated, the three-dimensional data and related information are transmitted to and stored in the computer terminal (200) via the second network (300); Regarding the three-dimensional data and related information, a new current block containing the hash value of the previous block for the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information is generated. is, the current block is broadcast within the first network (100) and stored on the plurality of computer terminals (200); It is characterized by being a management system.
  • n computer terminals 200X1 , 200X2 , 200X3 , and 200Xn are connected via P2P within a first network (100).
  • n computer terminals 200 Connected to 300X3 and 300Xn .
  • the management system for three-dimensional data of parts of the present invention can effectively prevent falsification and theft of three-dimensional data of parts in classic cars among automobiles.
  • Blockchain is a technology that maintains accurate transaction history by linking transaction history from the past like a single chain, and since the evidence of all transactions is held dispersedly by many people, it cannot be tampered with. It is said to be a technology that can record data extremely safely because it is difficult to steal or steal data.
  • Block chain technology generally uses four element technologies: P2P connection, cache technology, electronic signature technology, and authentication technology.
  • the three-dimensional data management system for parts according to the present invention is preferably applied to automobile parts, particularly classic car parts. Since parts for classic cars are often difficult to obtain, manufacturing methods using 3D printers, which can produce parts as long as three-dimensional data is available, are an extremely effective method. For this reason, three-dimensional data of parts has high economic value, and there is a high risk of falsification or theft.
  • the management system for three-dimensional data of parts using blockchain according to the present invention can be an effective means to prevent falsification and theft.
  • the three-dimensional data management system for parts it is also possible to manage the generation of part data and related information and transaction information, and to make the management of three-dimensional data and related information smooth and easy. I can do it.
  • the management system is characterized by comprising a plurality of computer terminals (200) connected via a P2P connection via a first network (100).
  • P2P connection via a first network (100).
  • connecting multiple computer terminals through P2P connections is one element of blockchain technology. That is, in the P2P connection network (100), the system is distributed and has the characteristic that even if some of the plurality of computer terminals go down, the entire system continues to operate.
  • the P2P (Peer to Peer) is a connection method in which a plurality of equivalent computer terminals directly communicate on a one-to-one basis. Each terminal can continue to operate independently.
  • the first network (100) may be an open network or a non-open network. Generally speaking, it is the Internet, which is an open network.
  • the computer terminal (200) is connected to other computer terminals (200) via a first network (100). Further, the computer terminal (200) is also connected to the three-dimensional data processing device (400) via a second network (300), as shown in FIG. In FIG. 3, a 3D scanner (410), a 3D-CAD (420), a 3D modeler (430), and a 3D printer are shown as the three-dimensional data processing device (400).
  • a computer terminal (200) connected to a first network (100) is also connected to a second network (300), and a 3D scanner (410), a 3D - Also connected to CAD (420), 3D modeler (430), and 3D printer (440).
  • the computer terminal (200) includes a blockchain control unit (210), and within the blockchain control unit (210), a communication unit (200) that transmits and receives the three-dimensional data and related information. 211), a storage unit (212) that receives and stores the three-dimensional data and related information from the communication unit (211), and a blockchain that processes the previous block with a hash function to create the current block.
  • the data storage device may include a creation unit (213) and a data storage unit (214) that stores the new block.
  • the communication unit (211) can receive the three-dimensional data and related information generated by the three-dimensional data processing device (400) and transmitted via the second network (300). Also, the three-dimensional data and related information stored in the computer terminal (200) can be broadcast to other computer terminals (200) in the first network (100).
  • the storage unit (212) can receive and store the three-dimensional data and related information generated by the three-dimensional data processing device (400) through the communication unit (211).
  • the blockchain creation unit (213) shares the three-dimensional data and related information generated by the three-dimensional data processing device (400) within the first network (100).
  • a new current block including the hash value of the previous block for the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information can be generated.
  • FIG. 6 illustrates the creation of the current block B An from the previous block B An-1 for part A in the blockchain creation unit (213).
  • the hash technology used to create blocks in the blockchain creation unit (213) is the second element of blockchain technology.
  • Hashing is an encryption technique that is good at identifying data, and by passing the input data through a hash function, it becomes a unique value, that is, a hash value. Since the hash value functions as an ID that identifies the input data, any falsification or damage to the data can be detected instantly.
  • the data storage unit (214) of the computer terminal (200) can receive blocks created by each of the plurality of computer terminals (200) by broadcast within the first network (100), and It can be stored in a data storage unit (214) within the terminal (200).
  • various electronic computers having computer functions can be used, such as a PC, a workstation, and a tablet PC.
  • the management system is characterized by comprising a three-dimensional data processing device (400) connected to each of the plurality of computer terminals (200) via a second network (300). Thereby, the three-dimensional data and related information generated by the three-dimensional processing device (400) in the second network (300) are immediately transferred to the computer terminal (200) connected to the first network (100). ) can be transmitted.
  • the three-dimensional data processing device (400) is connected to the computer terminal (200) via the second network (300) to configure the component manufacturing system.
  • the computer terminal (200) may have a function of a three-dimensional data processing control unit (250) that controls the three-dimensional data processing device (400) in the second network (300). .
  • the second network (300) includes a 3D scanner (410), a 3D printer (440), and the computer terminal (200) connected to the 3D scanner and the 3D printer.
  • a 3D scanner (410) as a scan data preparation means for scanning the part and preparing scan data, optionally, the scan data from the 3D scanner (410).
  • 3D-CAD (420) as a data correction means for correcting and preparing correction data;
  • 3D as a data modification means for preparing modified data by modifying the scan data from the 3D scanner (410) or the correction data;
  • It can include a modeler (430), and a 3D printer (440) as a modeling means for modeling a modeled article of the part based on the scan data, the correction data, or the modification data.
  • a three-dimensional data processing control section (250) in the computer terminal (200) includes the scan data database (253) and the correction data database (254). , and the modification data database (255), wherein the communication unit (251) in the computer terminal (200) receives the scan data from the 3D scanner (410) and transmits the scan data database (253). ), and optionally, the computer terminal (200) converts the scan data from the scan data database (253) into the correction data by the 3D-CAD (420), and converts the correction data into the correction data.
  • the correction data is stored in the correction data database (254), and the computer terminal (200) converts the correction data from the correction data database (254) into the modification data by the 3D modeler (430),
  • data is stored in the modification data database (255), and the computer terminal (200) transmits the modification data from the modification data database (255) to the 3D printer (440). could be.
  • the three-dimensional data processing control unit (250) in the computer terminal (200) includes the scan data database (253), the correction data database (254), and the modification data database (255),
  • a parts manufacturing system including the computer terminal (200) connected to the 3D scanner (410) and the 3D printer (440) converts the parts into printed products based on manufacturing efficiency, price, and quality. It can be restored, reproduced, and manufactured with high performance from the surface.
  • the operating status of the 3D printer (440) is communicated between the computer terminal (200) as a part manufacturing system and the 3D printer (440).
  • An IoT kit (460) can be further provided that monitors and transmits monitoring information to the computer terminal (200), and also allows the computer terminal (200) to monitor the 3D printer (440) based on the monitoring information.
  • the 3D printer monitoring function provided by the IoT kit (460) makes it possible to respond to unforeseen situations such as a machine stopping. This makes it possible to grasp the situation and take action even from a remote location in the event that a machine stops operating or something goes wrong with the machine.
  • a sensor and a management unit are installed in the 3D printer (440) to automatically collect measurement data in order to monitor the production status of the modeled product in the 3D printer (440).
  • data can be viewed and analyzed by the three-dimensional data processing control unit (250) of the computer terminal (200) as a computer.
  • the three-dimensional data and related information generated by the three-dimensional data processing device (400), transmitted to and stored in the three-dimensional data processing control unit (250) of the computer terminal (200) in the second network (300) Information can be broadcast within the first network (100) through the blockchain controller (210) and authenticated.
  • the three-dimensional data and related information after the authentication may be generated and stored in the current block in each blockchain control unit (210) of the computer terminal (200) of the first network (100). .
  • the authentication is an agreement within the blockchain network to fix the block as the correct one, and is the third element of blockchain technology.
  • the three-dimensional data and related information can be authenticated within the first network (100) through the communication unit (211) of the blockchain control unit (210) in the computer terminal (200). After the authentication, the three-dimensional data and related information are used to create the blockchain through the communication unit (211) of the blockchain control unit (210) in each of the computer terminals (200) of the first network (100). In section (213) said current block is created and then saved in said data storage section (214).
  • the above authentication is performed using several authentication methods. Generally, one or a few central terminals (201) of the computer terminals (200) are involved in authentication, but authentication is performed by the blockchain control unit (210) in the first network (100) using a consensus algorithm. is also possible.
  • the authentication of the block by the central terminal (201) can be performed by verifying the contents of the block or checking the authorization function. Verifying the contents of a block refers to checking the contents of the three-dimensional data and related information to verify whether set conditions are satisfied. Inspecting the approved functions does not involve verifying the contents of the three-dimensional data and related information, but refers to checking whether the computer terminal (200) is operating within the approved functions.
  • the three-dimensional data and related information in the new current block may be further protected by a software data protection system. Protection of the three-dimensional data and related information by a data protection system is the fourth element of blockchain technology.
  • protection can be provided by digital watermarks or digital signatures.
  • the digital watermark it is possible to prevent fraudulent acts by integrating content and embedded information, detecting fraud, and issuing a warning.
  • electronic information can be encrypted together with copyright information and usage conditions, so that even if it is copied, it cannot be used without a valid key.
  • the fourth element of the blockchain technology is generally a method that employs this electronic signature technology.
  • the three-dimensional data processing device (400) connected to the computer terminal (200) functioning as a control device for the three-dimensional data processing device via the second network (300) is illustrated in FIG.
  • the three-dimensional data processing device (400) connected to the computer terminal (200) functioning as a control device for the three-dimensional data processing device via the second network (300) is illustrated in FIG.
  • at least one selected from the group consisting of a 3D scanner (410), a 3D-CAD (420), a 3D modeler (430), and a 3D printer (440) can be mentioned.
  • the three-dimensional data and related information may be generated by the three-dimensional data processing device (400).
  • the three-dimensional data generated by the three-dimensional data processing device may include scan data generated by the 3D scanner (410), scan data generated by the 3D-CAD (420), etc., depending on the generating device. and modification data generated by the 3D modeler (430).
  • the related information generated by the three-dimensional data processing device may include manufacturing information of parts manufactured by the three-dimensional printer, rights information of the three-dimensional data, work information, transaction information, and the like.
  • the manufacturing information of the component is information related to manufacturing a restored product of the component that is manufactured by a 3D printer using the three-dimensional data of the component.
  • the manufacturing information of the parts may include manufacturing date and time, manufacturer indicating the manufacturer, company, organization, etc., manufacturing details indicating the number of manufactured parts, manufacturing details, etc.
  • the rights information is generated as information indicating the rights to the three-dimensional data each time the three-dimensional data is generated.
  • new three-dimensional data is created such as scan data is generated by a 3D scanner, correction data is generated by 3D-CAD, modified data is generated by a 3D modeler, etc. This refers to the case where all new data is generated, such as when three-dimensional data is modified to generate new modified data, and can be generated as information indicating where the rights reside.
  • the rights information may include the creator of the three-dimensional data, the person in charge of creation, the date and time of creation, and the content of creation.
  • the creator is information indicating the company, institution, organization, etc. that created the file.
  • the person in charge of creation is information indicating the person who performed the generation work for the three-dimensional data of the company or the like.
  • the rights information may include creation details indicating the creation date and time, related parts of the created data, three-dimensional data processing device, and the like.
  • work information is generated when work related to 3D data that does not involve the creation of 3D data occurs, in other words, when work related to 3D data that does not involve the generation of rights information occurs.
  • Ru Examples include viewing the three-dimensional data, inspecting the related information, and the like.
  • the work information may include work date and time, work type, person in charge of work, and work content.
  • the person in charge of the work indicates the person who performed the work
  • the work type indicates the classification of the work
  • the work content indicates the specific content of the work.
  • the history of work on the three-dimensional data can be known at any time.
  • transaction information is generated every time a transaction involving the provision of the three-dimensional data to a third party and acquisition from a third party occurs.
  • the transactions include various transactions, and in the case of transactions in the form of licenses, assignments, etc., information regarding the transfer of rights may be included.
  • the transaction information includes the business partner, transaction type, transaction purpose, transaction conditions, etc. of the three-dimensional data.
  • the business partner include business partners, organizations, institutions, and the like.
  • the transaction type and purpose may include license provision and acquisition, provision and acquisition by transfer, provision and acquisition based on joint development, provision and acquisition based on joint manufacturing, and the like.
  • Examples of the transaction conditions include license conditions including transaction prices, transfer conditions, and the like.
  • the transaction information By storing the transaction information as a continuous block, it is possible to know the transaction history, rights history based on the transaction, etc. regarding the three-dimensional data at any time.
  • transaction conditions other than the above transaction conditions can be set.
  • Various conditions can be set as the transaction conditions from the viewpoint of preventing falsification and plagiarism of the three-dimensional data.
  • Examples of the transaction conditions include erasing the three-dimensional data after a certain period of time after the three-dimensional data is provided, or limiting the time for providing the three-dimensional data by limiting the password validity period.
  • transaction conditions that specify the worker can also be provided.
  • work can be approved only by a specific worker using biometric authentication such as fingerprint authentication or face authentication.
  • These computer terminals (200) are computer terminals belonging to the creator of the scan data, the creator of the correction data, the creator of the modification data, the parts manufacturer, and the person receiving the three-dimensional data. could be.
  • one or a small number of central terminals (201) are installed, as shown in FIG.
  • Other computer terminals (209) connected to the network (100) have terminal installation rights, access rights to the three-dimensional data, processing functions of the other computer terminals (209), transaction rights, etc. can be managed.
  • one central terminal (201) and three or more other computer terminals (209) are installed in the first network, and these are connected by P2P.
  • the processing functions of the computer terminal (200), that is, the processing functions of the three-dimensional data processing control unit (250) in the computer terminal (200) include viewing and using three-dimensional data, generating and storing the three-dimensional data, Examples include providing the three-dimensional data.
  • the central terminal (201) includes the communication unit (211), the storage unit (212), the blockchain creation unit (213), and the data storage included in the computer terminal (200).
  • a central management section (220) can also be provided.
  • the central terminal (201) can determine the new current block by authenticating the three-dimensional data and related information. This authentication function can be performed by the central management section (220) within the central terminal (201).
  • the authentication of the current block can also be a system in which a specific computer terminal, such as the central terminal (201), is not responsible.
  • the system may be such that the three-dimensional data and related information are authenticated by a consensus algorithm in the first network (100).
  • consensus building algorithm examples thereof include proof of work, proof of stake, and proof of importance.
  • a second aspect of the present invention is a plurality of computer terminals in a management system for three-dimensional data of parts using blockchain, Computer terminals connected to each other by a P2P connection via a first network and connected to a three-dimensional data processing device via a second network, receiving and storing the three-dimensional data and related information generated in the three-dimensional data processing device via the second network; For the three-dimensional data and related information, generate a new current block including the hash value of the previous block for the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information. death, broadcasting the current block into the first network and saving the broadcasted current block; It is characterized by
  • the plurality of computer terminals may store and transmit three-dimensional data generated by the three-dimensional data processing device (400) of the second network (300), and form a block chain with the first network (100). can.
  • the plurality of computer terminals may store and transmit three-dimensional data generated by the three-dimensional data processing device (400) of the second network (300), and form a block chain with the first network (100). can.
  • One or a small number of central terminals are installed among the plurality of computer terminals, and the central terminal has the right to install terminals of other computer terminals other than the central terminal where the one or a small number of central terminals are installed, and access to the three-dimensional data.
  • the system may also be capable of managing access rights, processing functions of the other computer terminals, and transaction rights.
  • a third aspect of the present invention is a management program for three-dimensional data of parts using blockchain, and as an embodiment shown in the flowchart of FIG. a plurality of computer terminals connected via a P2P connection via a first network; and a three-dimensional data processing device connected via a second network connected to each of the plurality of computer terminals.
  • the management system controlling the plurality of computer terminals, In the three-dimensional data processing device, generating the three-dimensional data and related information, the three-dimensional data and related information are transmitted to the computer terminal via the second network; Regarding the three-dimensional data and related information, a new current block is generated that includes the hash value of the block immediately before the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information.
  • the present invention is characterized by a three-dimensional data management program that broadcasts the current block within the first network and stores it in the plurality of computer terminals.
  • a fourth aspect of the present invention is a method for managing three-dimensional data of parts using blockchain, and as an embodiment shown in the flowchart of FIG. 11, A method for managing three-dimensional data of parts using blockchain, a plurality of computer terminals connected via a P2P connection via a first network; and a three-dimensional data processing device connected via a second network connected to each of the plurality of computer terminals;
  • a 3D data management system for parts In the three-dimensional data processing device, the three-dimensional data and related information are generated, the three-dimensional data and related information are transmitted to the computer terminal via the second network;
  • a new current block containing the hash value of the previous block of the part, the hash value of the three-dimensional data and related information, and the three-dimensional data and related information is generated.
  • the method is characterized in that the current block is broadcast within the first network and stored in the plurality of computer terminals.
  • the unit (250) can be placed only in the computer terminal (200), but it can also be distributed and placed in other parts of the three-dimensional data management system for the component.
  • the functional configuration of the three-dimensional data management system and management method for parts is merely an example of an embodiment, and one functional block (database and functional processing unit) may be divided or multiple functional blocks may be combined into one. It may also be configured as one functional block.
  • a CPU Central Processing Unit
  • a CPU built into a computer device reads a computer program stored in a storage device such as a ROM (Read Only Memory) or a hard disk, and executes the computer program by the CPU.
  • each functional processing unit is configured so that the computer program reads and writes necessary data such as tables from a database stored in a storage device or a storage area in memory, and in some cases, it also reads and writes necessary data such as tables from a database stored in a storage device or a storage area in memory, and in some cases, This is realized by controlling the output device, display device, communication interface device).
  • the database in the embodiment of the present invention may be a commercial database, but it also means a simple collection of tables or files, and the internal structure of the database itself is not critical. Note that the database may also be considered as one server (database server).
  • Example 1 of embodiment (Management system consisting of company a that generates 3D data of parts, company b that manufactures the parts, etc.)
  • Company a owns a central terminal (201), can control the functions of other computer terminals (209), authenticate the current block, and generate three-dimensional data.
  • Company B, Company C, Company D, etc. own the other computer terminals (209) and manufacture parts based on the three-dimensional data generated by Company A.
  • a plurality of computer terminals (200) are connected by a P2P connection via a first network (100), where the plurality of computer terminals (200) are connected to one central terminal (201). ) and other terminals (209) of three or more (Company B, Company C, Company D, etc.), and via a second network (300) connected to each of the plurality of computer terminals (200).
  • a connected three-dimensional data processing device (400) in FIG. 12, a 3D printer (440)), which is connected to the one central terminal (201) among the plurality of computer terminals (200).
  • the management system includes a 3D printer (440) connected via a second network (300) connected to the three or more other terminals (209).
  • the three-dimensional data and related information are generated in the three-dimensional data processing device (400), which is connected via a second network (300) connected to the one central terminal (201).
  • the three-dimensional data and related information are generated in the 3D scanner (410), 3D-CAD (420), and 3D modeler (430), and among the plurality of computer terminals (200), the three or more other
  • the related information is generated in a 3D printer (440) connected via a second network (300) connected to a terminal (209).
  • the three-dimensional data and related information are transmitted to and stored in the computer terminal (200) via the second network (300), and the three-dimensional data and related information are stored in a hash of the previous block for the part.
  • a new current block comprising a value, a hash value of the three-dimensional data and related information, and the three-dimensional data and related information, and broadcasting the current block into the first network (100);
  • the information is stored in the plurality of computer terminals (200).
  • all said three-dimensional data processing devices (200), such as a 3D scanner (410), a 3D-CAD (420), a 3D modeler (430), and a 3D printer (440) are connected to the 3D printer (440) via a second network (300) connected to a plurality of other computer terminals (209). only connected. That is, among the plurality of computer terminals (200), only the central terminal (201) is involved in the generation of the three-dimensional data, and the other computer terminals (209) are involved in generating the restored parts using the three-dimensional data. , and is not involved in the generation of the three-dimensional data.
  • the central terminal (201) controls the generation of three-dimensional data in the second network (300) and provides the three-dimensional data to other terminals (209) in the first network (100). control. Further, the three-dimensional data is prevented from being tampered with or stolen by a blockchain in the first network (100).
  • Company a owns a central terminal (201), can control the functions of other computer terminals (209), authenticate the current block, and generate three-dimensional data.
  • Company b owns another computer terminal (209) and generates only correction data that is partially three-dimensional data.
  • Company c, company d, etc. own the other computer terminals (209) and manufacture parts by receiving the three-dimensional data generated by companies a and b.
  • a plurality of computer terminals (200) are connected via a P2P connection via a first network (100), where the plurality of computer terminals (200) are connected to a central A second network (300) which is a terminal (201) and other terminals (209) of three or more (Company B, Company C, Company D, etc.), and is connected to each of the plurality of computer terminals (200).
  • the management system includes a 3D printer (440) connected via a second network (300).
  • the three-dimensional data and related information are generated in the three-dimensional data processing device (400), and are then processed through a second network (300) connected to one central terminal (201) of the company a.
  • the three-dimensional data and related information are generated in the connected 3D scanner (410), 3D-CAD (420), and 3D modeler (430), and here, one central terminal (201) of the company a
  • the 3D scanner (410), 3D-CAD (420), 3D modeler (430), and 3D printer (440) connected via the second network (300) connected to the Qualification data and related information are generated and connected via a second network (300) connected to one other terminal (209) of the company B among the plurality of computer terminals (200).
  • the correction data is generated in 3D-CAD (420).
  • the three-dimensional data and related information are transmitted to and stored in the computer terminal (200) via the second network (300), and the three-dimensional data and related information are stored in a hash of the previous block for the part.
  • a new current block comprising a value, a hash value of the three-dimensional data and related information, and the three-dimensional data and related information, and broadcasting the current block into the first network (100);
  • the information is stored in the plurality of computer terminals (200).
  • the 3D-CAD (420) is connected via a second network (300) connected to one other terminal (209) of the company b among the plurality of other computer terminals, and Among the other computer terminals, only the 3D printer (440) is connected via a second network (300) connected to two or more other terminals (209) such as the company C.
  • the central terminal (201) of company a controls the generation of three-dimensional data in the second network (300), and transmits three-dimensional data to other terminals (209) in the first network (100). Control the provision of data.
  • One computer terminal (209) of company b also generates correction data, but its provision is controlled by the central terminal.
  • the three-dimensional data is prevented from being tampered with or stolen by a blockchain in the first network (100).
  • Embodiment example 3 (Company a generates 3D data of the part and acquires the 3D data of the part generated by company b, Company b generates 3D data of the part and provides the 3D data of the part to company a, and A management system consisting of manufacturing company C, etc.)
  • Company a owns a central terminal (201), can control the functions of other computer terminals (209), authenticate the current block, and generate three-dimensional data.
  • Company b has a central terminal (201) that can control some functions, and can control the provision of 3D data generated by company b's 3D scanner (410) and the like.
  • Company c, etc. owns the other computer terminal (209) and manufactures parts based on the three-dimensional data generated by companies a and b.
  • a plurality of computer terminals (200) are connected via a P2P connection via a first network (100), where the plurality of computer terminals (200) are two computers from company a and company b. , and other terminals (209) of Company C, etc., and three-dimensional data connected via a second network (300) connected to each of the plurality of computer terminals (200).
  • a processing device (400) which is connected to two central terminals (201) of the company a and company b among the plurality of computer terminals (200) via a second network (300).
  • the three-dimensional data and related information are generated in the three-dimensional data processing device (400), and the second network (300) is connected to the two central terminals (201) of the companies a and b.
  • the three-dimensional data and related information are generated in the 3D scanner (410) and/or 3D-CAD (420) and 3D modeler (430) connected via the plurality of computer terminals (200).
  • the related information is generated in a 3D printer (440) connected via a second network (300) connected to the other terminal (209) of company c or the like.
  • the three-dimensional data and related information are transmitted to and stored in the computer terminal (200) via the second network (300), and the three-dimensional data and related information are stored in a hash of the previous block for the part.
  • a new current block comprising a value, a hash value of the three-dimensional data and related information, and the three-dimensional data and related information, and broadcasting the current block into the first network (100);
  • the information is stored in the plurality of computer terminals (200).
  • the 3D scanner (410) which is all the three-dimensional data processing devices (200) is connected to the central terminal (201) of companies a and b via a second network (300). , a 3D-CAD (420), a 3D modeler (430), and a 3D printer (440), but a second network (300) connected to a plurality of other computer terminals (209) such as company c etc. Only the 3D printer (440) is connected through it. That is, among the plurality of computer terminals (200), two central terminals (201) of company a and company b are involved in generating the three-dimensional data, and the other computer terminals (209) generate the three-dimensional data. It is involved only in manufacturing the reconstructed parts of the used parts, and is not involved in the generation of the three-dimensional data.
  • the central terminals (201) of companies a and b control three-dimensional data generation in the second network (300), and the central terminal (201) of company a controls the generation of three-dimensional data in the first network (100). ) controls the provision of three-dimensional data to other terminals (209). Further, the three-dimensional data is prevented from being tampered with or stolen by a blockchain in the first network (100).
  • Embodiment example 4 (Management system consisting of multiple computers installed equally, each with a 3D data processing device for one of the parts)
  • a plurality of computer terminals (200) are P2P connected via a first network (100), and each of the plurality of computer terminals (200) is connected to a three-dimensional processing device (400) via a second network (300). is connected to.
  • Each computer terminal (200) is connected to P2P on an equal basis, and data is authenticated by a consensus algorithm.
  • a plurality of computer terminals (200) are connected via a P2P connection via a first network (100), and a second network (300) is connected to each of the plurality of computer terminals (200). ), where the plurality of computer terminals (200) are a management system including any three-dimensional data processing device (400).
  • the three-dimensional data and related information are generated in the three-dimensional data processing device (400), and are sent to the plurality of computer terminals (200) via a second network (300), such as a D scanner (410), At least one 3D data processing device (400) of a 3D-CAD (420), a 3D modeler (430), and a 3D printer (440) is connected, and these 3D data processing devices (400) process 3D data and Relevant information is generated.
  • a second network such as a D scanner (410), At least one 3D data processing device (400) of a 3D-CAD (420), a 3D modeler (430), and a 3D printer (440) is connected, and these 3D data processing devices (400) process 3D data and Relevant information is generated.
  • the three-dimensional data and related information are transmitted to and stored in the computer terminal (200) via the second network (300).
  • the three-dimensional data and related information are authenticated by a consensus algorithm in the first network (100).
  • a hash value of the previous block for the part a hash value of the three-dimensional data and related information, and a new current state including the three-dimensional data and related information.
  • a block is generated, and the current block is broadcast within the first network (100) and stored in the plurality of computer terminals (200).
  • a 3D scanner which is the three-dimensional data processing device (200), a 3D-CAD (420) ), a 3D modeler (430), and a 3D printer (440), the 3D data processing device (400) generates the three-dimensional data and related information. Ru.
  • First network 200 Computer terminal 201 Central terminal 209 Other computer terminals 210 Block chain control unit 211 Communication unit 212 Storage unit 213 Block chain creation unit 214 Data storage unit 220 Central management unit 250 Three-dimensional data processing control unit 251 Communication unit 252 Storage unit 253 Scan data database (DB) 254 Correction data database (DB) 255 Qualification data database (DB) 260 IoT control unit 300 Second network 400 3D data processing device 410 3D scanner 420 3D-CAD 430 3D modeler 440 3D printer 460 IoT kit

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Abstract

Le problème décrit par la présente invention est de fournir un système efficace dans lequel une technologie associée à une imprimante 3D telle qu'un scanner 3D ou une imprimante 3D et une technologie de chaîne de blocs sont combinées, empêchant ainsi des données tridimensionnelles de composants d'être falsifiées ou volées. La solution selon l'invention porte sur un système de gestion de données tridimensionnelles de composants qui est configuré à partir d'un système comprenant une pluralité de terminaux informatiques qui sont connectés par une connexion P2P par l'intermédiaire d'un premier réseau, et un dispositif de traitement de données tridimensionnelles qui est connecté par l'intermédiaire d'un second réseau, qui est connecté à chacun de la pluralité de terminaux informatiques, le système étant tel que, dans le dispositif de traitement de données tridimensionnelles : des données tridimensionnelles et des informations associées sont générées ; les données tridimensionnelles et les informations associées sont transmises aux terminaux informatiques par l'intermédiaire du second réseau et conservées dans lesdits terminaux informatiques ; la valeur de hachage d'un bloc immédiatement précédent se rapportant à un composant, la valeur de hachage des données tridimensionnelles et les informations associées, et un nouveau bloc courant qui comprend les données tridimensionnelles et les informations associées sont générés, par rapport aux données tridimensionnelles et aux informations associées ; et le bloc courant est diffusé à l'intérieur du premier réseau et conservé dans la pluralité de terminaux informatiques.
PCT/JP2022/032131 2022-08-25 2022-08-25 Système de gestion de données tridimensionnelles de composants WO2024042692A1 (fr)

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JP2021512383A (ja) * 2017-12-20 2021-05-13 ムーグ インコーポレーテッド 宇宙空間デジタル物流システム
JP3232527U (ja) * 2021-04-06 2021-06-17 株式会社Ｓｔａｒ Ｃｒａｆｔ クラシックカー部品の製作システム
WO2022024195A1 (fr) * 2020-07-27 2022-02-03 株式会社Vrc Serveur et procédé de traitement d'informations
JP7055234B1 (ja) * 2021-09-29 2022-04-15 東電設計株式会社 情報処理装置、プログラム、三次元データ管理システムおよび三次元データ管理方法

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JP2021512383A (ja) * 2017-12-20 2021-05-13 ムーグ インコーポレーテッド 宇宙空間デジタル物流システム
US20190372755A1 (en) * 2018-05-29 2019-12-05 Wilmington Trust, N.A. System and method for recording changing standards using blockchain
US20210026991A1 (en) * 2019-07-24 2021-01-28 Faro Technologies, Inc. Tracking data acquired by coordinate measurement devices through a workflow
WO2022024195A1 (fr) * 2020-07-27 2022-02-03 株式会社Vrc Serveur et procédé de traitement d'informations
JP3232527U (ja) * 2021-04-06 2021-06-17 株式会社Ｓｔａｒ Ｃｒａｆｔ クラシックカー部品の製作システム
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