WO2019205980A1 - 基于区块链的预制构件全生命期质量追溯方法及系统 - Google Patents
基于区块链的预制构件全生命期质量追溯方法及系统 Download PDFInfo
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- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
- G06Q10/06395—Quality analysis or management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1434—Barcodes with supplemental or add-on codes
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/08—Construction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- G—PHYSICS
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- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
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- G06N3/045—Combinations of networks
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- 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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
Definitions
- the invention relates to the field of quality traceability of new building industrialization, in particular to a quality traceability method and system for pre-fabricated components based on blockchain.
- the quality of prefabricated components in the construction field is traced back to the following problems: (1) lack of quality traceability uniform standards; (2) lack of interface with international standards; (3) lack of quality information for efficient collection, storage and tampering of each node; (4) lack of quality information trust mechanism of each node; (5) lack of construction process supply chain full process quality traceability and construction life cycle quality traceability method. Therefore, there is a need for a method of full chain traceability, global traceability, and traceability of the entire life of a building during the construction process.
- the technical problem to be solved by the invention is to realize the traceability of the quality of the prefabricated components of the new building industrialization during the construction process, and trace the whole life of the building.
- the present invention provides a quality traceability method and system for a full life of a prefabricated component based on a blockchain.
- a quality traceability method for a full-life of a prefabricated component based on a blockchain is provided, and specifically includes the following steps:
- Step S1 establishing a quality traceability standard for prefabricated components that can be interconnected and traced;
- Step S2 collecting and storing traceability information of quality events of each node of the prefabricated component during the whole life period;
- Step S3 performing blockchain distributed accounting on the traceability information of each node quality event of the prefabricated component during the whole life period
- Step S4 Implementing quality traceability of each node of the prefabricated component during the whole life period based on the unified traceability interface and the security access policy.
- each node of the prefabricated component includes one or more nodes of design, production, transportation, construction, operation and maintenance, and supervision.
- step S1 specifically includes:
- the prefabricated components are uniformly identified by using an RFID/bar code acquisition device
- step S2 specifically includes:
- the storage and screening unit stores the quality event service information of each node in each node business system, and filters out the key quality traceability information into the blockchain distributed ledger, which is used to realize the weight reduction of the quality traceability information.
- step S3 the BIM model of each node of the prefabricated component lifetime is imported into the quality traceability system, and the generated hash value of the BIM model is uploaded to the blockchain distributed ledger.
- prefabricated members include, but are not limited to, precast concrete members, prefabricated steel members, prefabricated wood members.
- step S3 specifically includes:
- Step S301 Build and initialize a blockchain, authorize the read/write permission of the blockchain, analyze the operation data and operation features of the authorized party, and reclaim the authority if there is abnormal behavior;
- Step S302 Calculating the ID of the quality event, key traceability information, digital signature, and time stamp into the blockchain distributed ledger;
- Step S303 The quality event is sampled by the supervisor to obtain the supervision result information, and the quality event ID, the supervision result information, the digital signature, and the time stamp are counted into the blockchain.
- the blockchain includes a source blockchain address and a plurality of destination blockchain addresses, and the quality event is transmitted from the source blockchain address to the destination blockchain address through a proprietary network.
- step S4 specifically includes:
- the public information and the private information are fed back to the query party with different rights according to different permission settings.
- a quality traceability system for a full-life of a prefabricated component based on a blockchain is provided, and specifically includes:
- Unified traceability standard module used to establish traceability standards for prefabricated components that can be interconnected and traced;
- Traceability information Internet of Things acquisition module used to collect and store traceability information of quality events of various nodes in the lifetime of prefabricated components
- Traceability information blockchain accounting module used for distributed accounting of blockchains for traceability information of quality events of various nodes in the lifetime of prefabricated components
- Unified Query/Traceability Module Used to implement quality traceability of each node of a prefabricated component during its lifetime based on a unified traceability interface and a secure access policy.
- the quality traceability system of the blockchain-based prefabricated component life cycle further includes:
- the quality traceability BIM module is configured to import a BIM model of each node of the prefabricated component into a quality traceability system, and upload the generated hash value of the BIM model to the blockchain distributed ledger.
- the blockchain accounting module is further configured to classify, extract feature, behavioral judgment, and authorization control of the quality event traceability information based on a multi-layer neural convolution network.
- the invention can effectively solve the problems of quality traceability, efficiency, trust, safety and supervision in the process of industrialization of new buildings.
- the present invention can support the traceability of quality event information of prefabricated components throughout the supply chain, globally, and throughout life.
- the invention can realize efficient and safe collection and recording of traceability information of quality events in key aspects such as design, production, transportation, construction, operation and maintenance, and supervision.
- the invention can realize distributed accounting of quality event traceability information of key nodes such as design, production, transportation, construction, operation and maintenance, supervision, etc., and realize decentralization and non-tamperable of quality event traceability information storage of key nodes. .
- the invention can realize the quality related parties of each node, and realize the security policy based query and quality trace through the quality event distributed ledger by using the unified query and traceability module.
- the present invention can realize the association between prefabricated components and design information, building space location information, and logical relationships of various systems of the building.
- the invention can realize the correlation and traceability of the quality event information of the prefabricated component in the operation and maintenance process and the construction process (design, production, transportation, construction, operation and maintenance, supervision).
- the method and system of the invention can improve the transparency and management quality of the entire supply chain of the prefabricated components, improve the management level of the whole life of the building, and also help the Chinese construction industry to go to the international market and practice the national “Belt and Road” strategy.
- the method and system of the present invention can enable communication between different enterprise blockchains.
- Figure 1 is a flow chart showing a first embodiment of the present invention
- FIG. 2 is a system diagram showing Embodiment 1 of the present invention.
- FIG. 3 is a flow chart showing Embodiment 2 of the present invention.
- Fig. 4 is a system diagram showing a second embodiment of the present invention.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- the first embodiment of the present invention provides a quality traceability method and system for the whole life of the prefabricated components based on the blockchain.
- FIG. 1 is a flowchart of Embodiment 1 of the present invention.
- the method provided by the embodiment of the present invention includes the following steps:
- Step S1 establishing a quality traceability standard for prefabricated components that can be interconnected and traced;
- Step S2 efficiently and securely collecting and storing traceability information of quality events of each node in the whole life of the prefabricated component
- Step S3 performing blockchain distributed accounting on the traceability information of each node quality event of the prefabricated component during the whole life period
- Step S4 Implementing quality traceability of each node of the prefabricated component during the whole life period based on the unified traceability interface and the security access policy.
- step S1 includes the following content:
- Step S101 Uniform coding of the prefabricated components. Integrate international quality traceability related norms and existing standards for assembly and assembly of parts in the country.
- the system forms an open, extensible, nationally-compatible and internationally-compliant pre-made component unified coding rule, including but not limited to this example:
- the BIM model QR code is used to download the BIM lightweight model, the variable field is reserved for alternate information, and the length is used to record the total length of the code.
- Step S102 uniformly identifying the prefabricated components by using an RFID/bar code
- Step S103 Unified coding and description of each node prefabricated component quality event, and systematically forming a unified coding rule of the quality event, including but not limited to this example:
- the BIM model QR code is used to download the BIM lightweight model, the variable field is reserved for alternate information, and the length is used to record the total length of the code.
- the source blockchain address indicates the blockchain address where the current quality event occurs, and the destination blockchain address indicates the blockchain address to which the current message needs to be delivered.
- the quality event is transmitted from the source blockchain address to the destination blockchain address through the proprietary network, first entering the message queue of the destination blockchain address, and the messages in the message queue are delivered to the destination blockchain in a first-come, first-ordered order. in.
- Step S104 Define a traceback interface and an access protocol for each node prefabricated component quality event.
- the trace interface of the above-mentioned quality event blockchain and the cross-blockchain is defined, and is used to feed the public information and the private information to the querying party based on different security access policies according to different querying authority settings.
- step S2 includes the following content:
- Step S201 efficiently collecting, by means of the acquisition unit (fixed device acquisition/handheld device acquisition), the quality information traceability information of the prefabricated components such as design, production, transportation, construction, operation and maintenance, and supervision;
- Step S202 The quality event service information of each node is stored in each node service system by the storage and screening unit, and the key quality traceability information is filtered out into the blockchain distributed account book.
- the quality event service information includes a quality event ID, a traceback interface information, and security policy information;
- the key quality traceability information includes authentication device information, operator information (such as fingerprint, iris), and encrypted information.
- the encryption method of the above encrypted information includes, but is not limited to, random encryption in this example, and the key is randomly generated and encrypted by MD5 to add traceback information.
- step S3 specifically performs blockchain distributed accounting on the quality event traceability information of each node through the blockchain accounting module 3, and realizes the decentralization and non-tamperability of the key node quality event traceability information storage.
- the above blockchain type is between the public chain and the private chain, which can effectively improve the consensus efficiency and node scalability.
- the traceability quality data of authorized enterprises and authorized reading devices are classified and extracted, and behavior judgment and authorization control are performed. Specifically includes the following:
- Step S301 Build and initialize a blockchain, authorize the read/write permission of the blockchain, analyze the operation data and operation features of the authorized party, and reclaim the authority if there is abnormal behavior;
- the blockchain used in this step is between the private chain and the public chain, which can effectively improve consensus efficiency and node scalability.
- the blockchain is built and initialized by a core enterprise (authorized party), which can authorize other enterprises (authorized parties) to read and write the above blockchain, and analyze the operational data of the authorized enterprise (authorized party) every day. Operational features, if there is abnormal behavior, the core enterprise (authorized party) can withdraw the authority at any time.
- the authorized enterprise (authorized party) authentication device can write quality event traceability information into the blockchain.
- the certification equipment is issued by the leading enterprise (authorized party), and the operation data and operation characteristics of the certification equipment are analyzed every day; if there is abnormal behavior, the leading enterprise (authorized party) revokes the authorization certificate at any time.
- the above authentication device runs a closed operating system, and the operating system is a quality traceability system. If another process is detected, the system writes the exception information to the blockchain.
- the leading company authorized party
- Each of the above authentication device information can be queried in the blockchain.
- Step S302 The ID of the quality event, the key traceability information, the digital signature, and the time stamp are included in the blockchain distributed account book;
- the quality event ID, the key traceability information, the digital signature, and the timestamp are counted into the blockchain distributed ledger; when the authorized node and the associated authorized node generate the quality event, the quality event is generated.
- the ID, key traceability information, digital signatures of both parties, and timestamps are included in the blockchain distributed ledger.
- Step S303 The quality event is sampled by the supervisor to obtain the supervision result information, and the quality event ID, the supervision result information, the digital signature, and the time stamp are counted into the blockchain.
- each authorized service node design, production, transportation, construction, operation and maintenance
- a pair of quality event public key and private key are simultaneously generated; the public key may be disclosed to all nodes, and the private key is not disclosed.
- the supervisor reads the quality event of the relevant authorized service node through the private key, and after sampling, checks the quality event ID, the supervision result information, the digital signature and the time stamp into the blockchain distributed ledger, thereby completing The closed-loop blockchain distributed accounting of all participants (each business party information and supervisor information) in quality traceability.
- step S4 specifically includes:
- the public information and the private information are fed back to the query party with different rights according to different permission settings.
- the quality traceability system for the full life of the prefabricated component provided by the first embodiment of the present invention includes:
- Unified traceability standard module 1 used to establish traceability standards for prefabricated components that can be interconnected and traced;
- Traceability information IoT collection module 2 used to collect and store traceability information of quality events of various nodes in the lifetime of prefabricated components
- Traceability information blockchain accounting module 3 used for distributed accounting of blockchains for traceability information of quality events of various nodes in the lifetime of prefabricated components
- Unified Query/Traceability Module 4 Used to implement quality traceability of each node of a prefabricated component during its lifetime based on a unified traceability interface and a secure access policy.
- the traceability information Internet of Things acquisition module 2 includes an acquisition unit, a storage and screening unit
- the above-mentioned collection unit 201 (fixed device acquisition/handheld device acquisition) is used for efficiently collecting traceability information of node quality events such as design, production, transportation, construction, operation and maintenance, and supervision of prefabricated components;
- the storage and screening unit 202 is configured to store each node quality event service information in each node service system, and filter out key quality traceability information into the blockchain distributed ledger.
- the unified traceability standard module 1 integrates the international quality traceability related specifications, as well as the existing domestic assembly-type building parts classification standards, and forms an open, scalable, nationally-compatible and internationally-compliant prefabricated component unified coding rule. In order to solve the most basic standard problems in quality traceability, the quality traceability information of prefabricated components of all parties can be interconnected.
- the prefabricated components are uniformly identified by the Internet of Things RFID/barcode technology, and the RFID/barcode collection device and related operators are uniformly identified; the quality events of the prefabricated components of each node are uniformly coded and described; and the quality event blockchain is defined. Traceability interface and access strategy for internal and cross-blockchains.
- the traceability information Internet of Things acquisition module 2 in this embodiment performs efficient and safe collection of quality information of key nodes such as design, production, transportation, construction, operation and maintenance, and supervision through certified fixed/handheld reading devices. Recording, related business data is stored in each business system, and only the quality information of the key node quality events and the traceback interface information are uploaded to the blockchain, thereby realizing the weight reduction of the trace quality information.
- the traceability blockchain accounting module 3 stores the traceability information of each node in the blockchain system, and the blockchain type is between the public chain and the private chain, which can effectively improve the consensus efficiency and nodes. Scalability.
- the blockchain system classifies and extracts traceability quality data of authorized enterprises and authorized reading devices based on the multi-layer neural convolution network every day, and performs behavior judgment and authorization control.
- the unified query/trace module 4 in this embodiment can further access the specific information of the quality events stored in the service system of each node by using the traceback interface in the blockchain and the cross-blockchain of each node quality event; and based on security Access policies that feed public and private information back to the querier based on permission settings.
- Embodiment 1 of the present invention can effectively solve the standards, efficiency, trust, safety and supervision problems of quality traceability in the process of industrialization of buildings; and can support the traceability of quality event information of prefabricated components in the whole supply chain, global and full life.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- the second embodiment of the present invention provides A method and system for quality traceability of prefabricated components throughout the life cycle.
- Embodiment 2 of the present invention includes the following steps:
- Step S1 Uniform coding of the prefabricated components; unified identification of the prefabricated components by the Internet of Things RFID/barcode technology, unified identification of the RFID/barcode collection device and related operators; unified coding and description of the quality events of the prefabricated components of each node; Traceability interface and access strategy within the quality event blockchain and across the blockchain.
- the step S2 specifically includes: efficiently and safely collecting and recording the quality information of key nodes such as design, production, transportation, construction, operation and maintenance, and supervision through the certified fixed/handheld reading device, and storing related business data.
- key nodes such as design, production, transportation, construction, operation and maintenance
- the step S2 specifically includes: efficiently and safely collecting and recording the quality information of key nodes such as design, production, transportation, construction, operation and maintenance, and supervision through the certified fixed/handheld reading device, and storing related business data.
- key nodes such as design, production, transportation, construction, operation and maintenance
- the step S2 specifically includes: efficiently and safely collecting and recording the quality information of key nodes such as design, production, transportation, construction, operation and maintenance, and supervision through the certified fixed/handheld reading device, and storing related business data.
- the quality information of the key node quality events and the traceability interface information are uploaded to the blockchain, thereby realizing the weight reduction of the trace quality information.
- the step S3 specifically includes: importing the BIM model of each node into the quality traceability system through the lightweight interface, and generating a hash value of the lightweight BIM model and uploading the hash value to the blockchain.
- the step S4 specifically includes: performing distributed accounting on the key event quality event traceability information such as design, production, transportation, construction, operation and maintenance, supervision, etc. through the blockchain accounting module 3, and realizing the key node quality event traceability information storage.
- the blockchain accounting module 3 is loosely coupled to each business system.
- the step S5 specifically includes: using the traceback interface of each node quality event, further accessing specific information of quality events stored in each node service system, and publicizing based on the security access policy
- Information and privacy information is fed back to the querier based on permission settings.
- the operation process of the blockchain-based prefabricated component full lifespan quality traceability method provided by the second embodiment of the present invention is as follows: the unified traceability standard module 10 is the basis of the standard application of the entire method; the traceability information Internet of Things acquisition module 20 provides the prefabricated component at Efficient and secure access to critical traceability information for each node quality event; quality traceability BIM module 30 provides applications based on architectural space information and logical relationships between building systems (architecture/structure/mechatronics); traceability information blockchain accounting module 40 The blockchain distributed accounting is carried out for the quality events of design, production, transportation, construction, operation and maintenance, supervision and other key links. Finally, the unified query/trace module 50 is used to realize the unified query and quality information based on the unified traceability interface and security policy. Trace back.
- a quality traceability system for a full-life of a pre-fabricated component based on a blockchain according to Embodiment 2 of the present invention includes:
- the unified traceability standard module 10 through the system built-in prefabricated component coding rules, quality event coding rules, quality traceability interface rules, to form prefabricated component quality traceability standards;
- Traceability information Internet of Things acquisition module 20 traceability information for each node quality event for efficient and secure acquisition of prefabricated components
- Quality traceability BIM module 30 The BIM model of each node is introduced into the quality traceability system through the lightweight interface, and the association between the prefabricated component and the design information, the architectural space location information, and the logical relationship of the building systems can be realized.
- Traceability information blockchain accounting module 40 for distributed accounting of the quality event traceability information of each node of the prefabricated component
- Unified Query/Traceability Module 50 Implements full-life quality traceability of prefabricated components based on a unified traceability interface and a secure access strategy.
- the method and system provided by the second embodiment of the present invention can effectively solve the standards, efficiency, trust, safety and supervision problems of quality traceability in the process of new building industrialization, and support prefabricated components in the whole supply chain, global and full life.
- the quality traceability improves the transparency and management quality of the entire supply chain, enhances the management level of the whole life of the building, and also helps the Chinese construction industry to go to the international market and practice the national “Belt and Road” strategy.
- the invention can effectively solve the standards, efficiency, trust security and supervision problems of quality traceability in the process of industrialization of buildings.
- the present invention can also support the traceability of quality event information for prefabricated components throughout the supply chain, globally, and throughout life.
- the second embodiment of the present invention can realize efficient and safe collection and recording of traceability information of quality events of each node such as design, production, transportation, construction, operation and maintenance, and supervision.
- the second embodiment of the present invention can realize the association between the prefabricated component and the spatial position relationship/the logical relationship of each system.
- the second embodiment of the present invention can realize the distributed accounting of the blockchain for the traceability information of the quality events of each node such as design, production, transportation, construction, operation and maintenance, supervision, etc., and realize the storage of the quality event traceability information. Centralized and not tamperable.
- the second embodiment of the present invention can utilize the unified query and traceability module to implement the query and quality traceability based on the security access policy through the quality event distributed ledger.
- the second embodiment of the present invention can realize the association and traceability of the quality event information of the prefabricated component in the construction operation and maintenance process and the construction process (design, production, transportation, construction).
- modules or steps of the present invention described above can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in a storage device by a computing device, or they may be fabricated into individual integrated circuit modules, or many of them Modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
Abstract
Description
Claims (10)
- 基于区块链的预制构件全生命期质量追溯方法,其特征在于,包括以下步骤:步骤S1:建立追溯信息能够互联互通的预制构件质量追溯标准;步骤S2:采集并存储预制构件全生命期各节点质量事件的追溯信息;步骤S3:对预制构件全生命期各节点质量事件追溯信息进行区块链分布式记账;步骤S4:基于统一追溯接口和安全访问策略实现预制构件全生命期各节点的质量追溯。
- 根据权利要求1所述的基于区块链的预制构件全生命期质量追溯方法,其特征在于,所述预制构件全生命期各节点包括设计、生产、运输、施工、运维、监管的一个或多个节点。
- 根据权利要求1所述的基于区块链的预制构件全生命期质量追溯方法,其特征在于,所述步骤S1中具体包括:对预制构件统一编码;利用RFID/条码对所述预制构件进行统一标识;对RFID/条码采集设备,以及相关操作人员进行统一标识;对各节点预制构件质量事件进行统一编码和描述;定义所述各节点预制构件质量事件的追溯接口和访问协议。
- 根据权利要求1所述的基于区块链的预制构件全生命期质量追溯方法,其特征在于,所述步骤S2中具体包括:通过采集单元对所述预制构件全生命期各节点质量事件追溯信息进行采集;通过存储及筛选单元将各节点质量事件业务信息存储在各节点业务系统内,并筛选出关键质量追溯信息计入区块链分布式账本,用于实现质量追溯信息上链的轻量化。
- 根据权利要求4所述的基于区块链的预制构件全生命期的质量追溯方法,其特征在于,所述质量追溯方法还包括:在步骤S3前,将所述预制构件全生命期各节点的BIM模型导入质量追溯系统,同时将生成的所述BIM模型的哈希值上传到所述区块链分布式账本。
- 根据权利要求5所述的基于区块链的预制构件全生命期质量追溯方法,其特征在于,所述步骤S3中具体包括:步骤S301:构建并初始化区块链,将所述区块链的读写权限进行授权,分析被 授权方的操作数据和操作特征,如有异常行为则收回权限;步骤S302:将所述质量事件的ID、关键追溯信息、数字签名以及时间戳计入到区块链分布式账本;步骤S303:所述质量事件由监管方进行抽检后得到监管结果信息,所述质量事件ID、监管结果信息、数字签名以及时间戳被计入到区块链;其中,所述区块链包括一个源区块链地址和多个目的区块链地址,所述质量事件通过专有网络从所述源区块链地址传递到所述目的区块链地址。
- 根据权利要求6所述的基于区块链的预制构件全生命期质量追溯方法,其特征在于,所述步骤S4中具体包括:利用各节点质量事件的所述统一追溯接口,进一步访问所述质量事件的具体信息;基于安全访问策略,将公开信息与隐私信息根据不同的权限设置反馈至拥有不同权限的查询方。
- 基于区块链的预制构件全生命期的质量追溯系统,其特征在于,包括:统一追溯标准模块:用于建立追溯信息能够互联互通的预制构件质量追溯标准;追溯信息物联网采集模块:用于采集并存储预制构件全生命期各节点质量事件的追溯信息;追溯信息区块链记账模块:用于对对预制构件全生命期各节点质量事件追溯信息进行区块链分布式记账;统一查询/追溯模块:用于基于统一追溯接口和安全访问策略实现预制构件全生命期各节点的质量追溯。
- 根据权利要求8所述的基于区块链的预制构件全生命期的质量追溯系统,其特征在于,所述质量追溯系统还包括:质量追溯BIM模块:用于将所述预制构件全生命期各节点的BIM模型导入质量追溯系统,同时将生成的所述BIM模型的哈希值上传到所述区块链分布式账本。
- 根据权利要求8所述的基于区块链的预制构件全生命期质量追溯系统,其特征在于,所述区块链记账模块还用于基于多层神经卷积网络对所述质量事件追溯信息进行分类、提取特征、行为判断以及授权控制。
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