CN113656408A - Full-life-cycle management method and system for aviation material based on RFID combined block chain technology - Google Patents
Full-life-cycle management method and system for aviation material based on RFID combined block chain technology Download PDFInfo
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Abstract
The invention provides a full-life-cycle management method and system for a aviation material based on RFID combined block chain technology, and relates to the field of aviation material management. Adding a hash into each node of a bidirectional linked list to obtain the bidirectional linked list with the hash; tampering and forgery of data can be prevented. Sequentially storing the aviation material data into nodes of a bidirectional linked list with hash; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is added with the newly added aviation material data for the aviation material data base of the previous node; and synchronizing the aircraft material data in the doubly linked list with the hash into the RFID tags, wherein each RFID tag corresponds to a determined aircraft material and has a determined event set, and when the RFID tags are handed over, the RFID tags are not only handed over, but also handed over to the aircraft material life cycle list in the RFID tags. Thus, the block chain decentralized feature in the system is completed.
Description
Technical Field
The invention relates to the field of aviation material management, in particular to an aviation material full life cycle management method and system based on RFID and block chain technology.
Background
The quantity of the aviation materials required by civil aviation maintenance enterprises is large, the varieties, models and specifications are many, the supply sources are wide, and the scientific management of the aviation materials needs to be enhanced if the enterprises guarantee the required aviation materials on time according to quality and quantity.
The MRP module in the ERP system in the prior art, and the aviation material management system used in the existing civil aviation engineering maintenance enterprise are mostly MRP (material demand planning) modules carried by the ERP (enterprise resource optimization) itself, or independent MRP systems, and the idea is still in the era of early ERP or OA years ago, and the purpose is only to transfer paper data to the database of the PC. The system is unfamiliar with the requirements of complex material source tracing and tracking. In addition, the aviation material management system in the existing scheme performs overall analysis from the perspective of ERP material management (i.e. from the perspective of enterprise resource optimization), and has the disadvantage that the design purpose inclines towards other module interfaces of the ERP itself, and the usability degree of the aviation material management system is only limited to the functional range of the storage itself.
Disclosure of Invention
In order to overcome the above problems or at least partially solve the above problems, embodiments of the present invention provide a method and system for managing a full life cycle of a flight material based on RFID combined with block chain technology, which aim to solve the part lacking in the MRP system, rather than the MRP itself, so that the service logic part of the MRP is not referred to, or is only referred to briefly.
The embodiment of the invention is realized by the following steps:
in a first aspect, an embodiment of the present invention provides a full life cycle management method for a aviation material based on RFID in combination with a block chain technology, including:
adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node;
sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data;
synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
Based on the first aspect, in some embodiments of the present invention, the method further includes:
and generating a navigation material life cycle table according to the hash-equipped doubly linked list in which the navigation material data are stored, wherein the navigation material life cycle table is stored in the FID tag.
Based on the first aspect, in some embodiments of the invention, in the aviation material lifecycle table:
history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event;
wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag.
Based on the first aspect, in some embodiments of the present invention, the method further includes:
and after the bidirectional linked list with the hash is obtained, verifying the bidirectional linked list with the hash.
Based on the first aspect, in some embodiments of the present invention, the method for checking includes:
traversing nodes from back to front and calculating: and if the value in the hash field of each node is equal to the value of the last whole node after the hash calculation, the verification is successful.
Based on the first aspect, in some embodiments of the present invention, the method further includes:
and if the verification fails, generating failure data and storing the failure data in the RFID tag.
In a second aspect, an embodiment of the present invention provides a full life cycle management system for a aviation material based on RFID combined with a block chain technology, including:
the hash bidirectional linked list module is used for adding a hash into each node of the bidirectional linked list to obtain a bidirectional linked list with the hash;
the storage module is used for sequentially storing the aviation material data into nodes of a bidirectional linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data;
the correlated RFID tag module is used for synchronizing the flight material data in the doubly linked list with the hash to the RFID tag, wherein when a user adds new flight material data to the doubly linked list with the hash, according to the added flight material data, an EPC (electronic product code) in the RFID tag stores a tag id and a TID (terminal identification) stores a unique code, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
Based on the second aspect, in some embodiments of the invention, further comprising:
generating a navigation material life cycle table module: the device comprises a bidirectional linked list, an FID tag and a data processing module, wherein the bidirectional linked list is used for generating a navigation material life cycle table according to the hash-equipped bidirectional linked list in which navigation material data are stored, and the navigation material life cycle table is stored in the FID tag;
in the above mentioned aviation material life cycle table:
history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event;
wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag.
In a third aspect, an embodiment of the present invention provides an electronic device, including: at least one processor, at least one memory, and a data bus; wherein: the processor and the memory complete mutual communication through the data bus; the memory stores program instructions executable by the processor, and the processor calls the program instructions to execute the method.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium stores a computer program, and the computer program causes the computer to execute the method described above.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node; the core of its ability to prevent tampering and counterfeiting of data is due to the irreversibility of the hash algorithm itself. The chain table principle for preventing the forged data is as follows: it hashes the prev node (already contained within the last whole node contents) to ensure that its previous node is not tampered with; it hashes the next node (already contained within the last whole node contents) ensuring that its next node is not tampered with.
Sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data;
each node in the doubly linked list with the hash and the interrelation of the nodes are data sets of the aviation materials, each time an event is changed, one node is added, and the aviation materials are added with a section of data (the data are the content of the newly added node). Thus, the last flight material will contain all of its contents (i.e., all of its nodes) for each change event. Furthermore, all the events of the voyage can be traced by unpacking the data set of the voyage.
Synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
Each RFID tag corresponds to a specific aircraft material (i.e., each specific aircraft material object itself), and has a specific event set (i.e., a series of processes from "design", "raw material purchase", "production", "sale", "transportation", "installation", "detachment", "maintenance" to "scrapping"), which is abstracted into nodes in a hash-equipped doubly-linked list and stored in a "aircraft material lifecycle table" as a strip record. These records are in one-to-one correspondence with the "EPC", "TID", "DB" of the record table by the values stored in the "EPC", "TID", "DB" fields, then a strong association between the table and a specific RFID tag is established. When an RFID tag has been handed over (e.g., from a aircraft manufacturer to a aircraft manufacturer), it does not only hand over the RFID tag itself, but also the entire "aircraft material lifecycle table" that stores all the event data for the RFID tag. Thus, the block chain decentralized feature in the system is completed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of adding a hash to each node of a doubly linked list in the present invention;
FIG. 2 is a schematic diagram of the hash bi-directional linked list verification according to the present invention;
FIG. 3 is a schematic diagram of adding a node to a bidirectional link with a hash when adding new flight material data in the present invention;
FIG. 4 is a flowchart illustrating a method for managing a full life cycle of a flight material based on RFID combined with a blockchain technique according to an embodiment of the present invention;
FIG. 5 is a block diagram of an embodiment of a full life cycle management system for a flight material based on RFID combined with a block chain technology according to the present invention;
fig. 6 is a block diagram of an electronic device.
Icon: 1. a hash bidirectional linked list module; 2. a storage module; 3. an associated RFID tag module; 4. a processor; 5. a memory; 6. a data bus.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the embodiments provided in the present application, it should be understood that the disclosed system may be implemented in other ways. The system embodiments are merely illustrative, and for example, the block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems and computer program products according to various embodiments of the present application. In this regard, each block in the block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device, which may be a personal computer, a server, or a network device, to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Examples
Referring to fig. 4, in a first aspect, an embodiment of the present invention provides a method for managing a full life cycle of a flight material based on RFID in combination with a blockchain technique, including:
s1: adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node;
in this step, referring to fig. 1, adding a hash to each node of the doubly linked list can prevent data from being tampered and forged, and the core is the irreversibility of the hash algorithm itself. The chain table principle for preventing the forged data is as follows: it hashes the prev node (already contained within the last whole node contents) to ensure that its previous node is not tampered with; it hashes the next node (already contained within the last whole node contents) ensuring that its next node is not tampered with.
S2: sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data;
in this step, referring to fig. 3, each node in the doubly linked list with hash and the interrelation of the nodes are data sets of the aviation materials, each time an event is changed, a node is added, and the aviation materials are added with a section of data (the data is the content of the newly added node). Thus, the last flight material will contain all of its contents (i.e., all of its nodes) for each change event. Furthermore, all the events of the voyage can be traced by unpacking the data set of the voyage.
S3: synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
In this step, each RFID tag corresponds to a specific aircraft material (i.e., each specific aircraft material object itself), and has a specific event set (i.e., a series of processes from "design", "raw material purchase", "production", "sale", "transportation", "installation", "removal", "maintenance", to "scrapping"), and these event sets are abstracted into nodes in a hash-equipped doubly-linked list, and are stored in a "aircraft material life cycle table" as a strip record. These records are in one-to-one correspondence with the "EPC", "TID", "DB" of the record table by the values stored in the "EPC", "TID", "DB" fields, then a strong association between the table and a specific RFID tag is established. When an RFID tag has been handed over (e.g., from a aircraft manufacturer to a aircraft manufacturer), it does not only hand over the RFID tag itself, but also the entire "aircraft material lifecycle table" that stores all the event data for the RFID tag. Thus, the block chain decentralized feature in the system is completed.
Based on the first aspect, in some embodiments of the present invention, the method further includes:
and generating a navigation material life cycle table according to the hash-equipped doubly linked list in which the navigation material data are stored, wherein the navigation material life cycle table is stored in the FID tag.
In the above mentioned aviation material life cycle table:
history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event; the node is used for recording the shipping material set, and comprises a series of processes from designing, raw material purchasing, producing, selling, transporting, installing, disassembling, repairing and scrapping. Iocation is used for recording the place corresponding to the life cycle of the aviation material, and Date is used for recording the time corresponding to the life cycle of the aviation material.
Wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag. Please refer to the following table for the life cycle of the aviation materials:
life cycle table of aeronautical materials
Based on the first aspect, in some embodiments of the present invention, the method further includes:
and after the bidirectional linked list with the hash is obtained, verifying the bidirectional linked list with the hash.
The verification method comprises the following steps:
referring to fig. 2, nodes are traversed from back to front and computed: and if the value in the hash field of each node is equal to the value of the last whole node after the hash calculation, the verification is successful.
And if the verification fails, generating failure data and storing the failure data in the RFID tag.
Referring to fig. 5, in a second aspect, an embodiment of the invention provides a full life cycle management system for a flight material based on RFID combined with a blockchain technology, including:
a hash bidirectional linked list module 1, configured to add a hash to each node of a bidirectional linked list to obtain a bidirectional linked list with a hash;
the storage module 2 is used for sequentially storing the aviation material data into nodes of a bidirectional linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data;
the related RFID tag module 3 is used for synchronizing the flight material data in the doubly linked list with the hash to the RFID tag, wherein when a user adds new flight material data to the doubly linked list with the hash, according to the added flight material data, an EPC (electronic product code) storage tag id and a TID (terminal identification) storage tag unique code in the RFID tag, and a DB (database) stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
The embodiments of the system and method embodiments are described with reference to the accompanying drawings and will not be described in detail herein.
Based on the second aspect, in some embodiments of the invention, further comprising:
generating a navigation material life cycle table module: the device comprises a bidirectional linked list, an FID tag and a data processing module, wherein the bidirectional linked list is used for generating a navigation material life cycle table according to the hash-equipped bidirectional linked list in which navigation material data are stored, and the navigation material life cycle table is stored in the FID tag;
in the above mentioned aviation material life cycle table: history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event; wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag.
Similarly, the detailed implementation of the system embodiment refers to the method embodiment, which is not described herein.
Referring to fig. 6, in a third aspect, an embodiment of the invention provides an electronic device, including: at least one processor 4, at least one memory 5 and a data bus 6; wherein: the processor 4 and the memory 5 complete communication with each other through the data bus 6; the memory 5 stores program instructions executable by the processor 4, and the processor 4 calls the program instructions to execute the method. For example, execution of S1: adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node; s2: sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data; s3: synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium stores a computer program, and the computer program causes the computer to execute the method described above. For example, execution of S1: adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node; s2: sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is the aviation material data base of the previous node and the newly added aviation material data; s3: synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A full life cycle management method of aviation materials based on RFID combined with block chain technology is characterized by comprising the following steps:
adding a hash into each node of the two-way linked list to obtain the two-way linked list with the hash; wherein, the hash of each node is used for storing the hash result value of the last complete node;
sequentially storing the aviation material data into nodes of a two-way linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is added with the newly added aviation material data for the aviation material data base of the previous node;
synchronizing the aviation material data in the doubly linked list with the hash to the RFID label, wherein when a user adds aviation material data to the doubly linked list with the hash, according to the added aviation material data, an EPC (electronic product code) storage label id and a TID (terminal identification) storage label in the RFID label, the unique code of the TID storage label is stored, and the DB stores the hash value of the current last node; wherein: the EPC is a storage area in the RFID tag and can be read and written; the TID is another storage area in the RFID label and can be read or not written; DB is a database.
2. The method for managing the full life cycle of the aviation material based on the RFID combined with the block chain technology as claimed in claim 1, further comprising:
and generating a shipping material life cycle table according to the hash-equipped doubly linked list in which the shipping material data are stored, wherein the shipping material life cycle table is stored in the FID tag.
3. The method as claimed in claim 2, wherein the life cycle table of the flight material comprises:
history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event;
wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag.
4. The method for managing the full life cycle of the aviation material based on the RFID combined with the block chain technology as claimed in claim 1, further comprising:
and after the bidirectional linked list with the hash is obtained, verifying the bidirectional linked list with the hash.
5. The method for managing the full life cycle of the aviation material based on the RFID combined with the block chain technology as claimed in claim 4, wherein the verification method comprises:
traversing nodes from back to front and calculating: and if the value in the hash field of each node is equal to the value of the last whole node after the hash calculation, the verification is successful.
6. The method for managing the full life cycle of the aviation material based on the RFID combined with the block chain technology as claimed in claim 5, further comprising:
and if the verification fails, generating failure data and storing the failure data in the RFID tag.
7. A full life cycle management system of aviation materials based on RFID combines block chain technique, its characterized in that includes:
the hash bidirectional linked list module is used for adding a hash into each node of the bidirectional linked list to obtain a bidirectional linked list with the hash;
the storage module is used for sequentially storing the aviation material data into nodes of a bidirectional linked list with hash according to a time sequence; when a user adds new aviation material data to the two-way linked list with the hash, the two-way link with the hash is added with a node, and the aviation material data stored by the added node is added with the newly added aviation material data for the aviation material data base of the previous node;
the correlated RFID tag module is used for synchronizing the flight material data in the doubly linked list with the hash to the RFID tag, wherein when a user adds new flight material data to the doubly linked list with the hash, according to the added flight material data, an EPC (electronic product code) in the RFID tag stores a tag id and a TID (terminal identification) stores a unique code, and the DB stores the hash value of the current last node; wherein:
the EPC is a storage area in the RFID tag and can be read and written;
the TID is another storage area in the RFID label and can be read or not written;
DB is a database.
8. The system of claim 7, further comprising:
generating a navigation material life cycle table module: the device comprises an FID tag, a hash function module, a bidirectional linked list generation module and a data processing module, wherein the bidirectional linked list is used for generating a navigation material life cycle table according to a hash-equipped bidirectional linked list in which navigation material data are stored, and the navigation material life cycle table is stored in the FID tag;
in the aviation material life cycle table:
history _ id is used for representing table service logic id, and prev _ id and next _ id point to other history _ id records of the navigation material life cycle table; the field is used for storing the hash calculation result value of the json object of the record pointed by prev _ id; the epc and tid fields are used to store the corresponding values of the RFID tag; node and location are used to distinguish different events; date is used to mark the date and time of the event;
wherein prev _ id, next _ id and hash _ code are used for block chain verification and logical chain table structure organization; the epc, tid and hash _ code are used for strongly associating the corresponding RFID label; other fields belong to existing element fields of the history table; when the RFID tag is handed over, the flight material life cycle table is handed over together with the RFID tag.
9. An electronic device, comprising:
at least one processor, at least one memory, and a data bus; wherein:
the processor and the memory complete mutual communication through the data bus; the memory stores program instructions executable by the processor, the processor calling the program instructions to perform the method of any of claims 1 to 6.
10. A non-transitory computer-readable storage medium storing a computer program that causes a computer to perform the method according to any one of claims 1 to 6.
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