711 results about "Chain network" patented technology

A value chain network control tower system comprises a processor and memory configured to execute a know your model system that manages the complete lifecycle of Al models in enterprise environments. The know your model system performs model intake and registration actions including model documentation collection, registration procedures, metadata collection, input / output interface standardization, legal and licensing validation checks, and security validation. The system conducts comprehensive model evaluation and risk assessment actions by analyzing foundational properties, task performance, safety and risk management, alignment and compliance characteristics, operational metrics, and tooling transparency capabilities. The know your model system executes model deployment actions through automated environment validation, predeployment approval processes, and controlled production deployment with continuous monitoring.

The invention discloses a method for enabling building supply chain information tracing and management based on a block chain, and relates to the technical field of block chains, and the method comprises the following steps: S1, constructing an information chaining platform for building supply chain management, enabling each participant node of a supply chain to access a block chain network, storing the full life cycle data of the supply chain through employing a distributed account book technology, and storing the whole life cycle data of the supply chain; the full life cycle data comprises data of decision making, design, construction, acceptance and operation and maintenance stages. According to the method for tracing and managing the full-life-cycle information on the building supply chain, the data is stored by adopting a distributed account book technology, the integrity and non-tampering property of the data are ensured, the accuracy and efficiency of data tracing are improved, the consistency and reliability of the data are further ensured through a Hash algorithm and a consensus mechanism, and the data tracing efficiency is improved. A credible data basis is provided for each participant of the supply chain, and the supply chain flow rule is automatically executed by deploying the intelligent contract.

A dynamic vision system includes a variable focus liquid lens optical assembly. The dynamic vision system includes a variable lighting assembly. The dynamic vision system includes a control system configured to adjust one or more optical parameters and data collected from the variable focus liquid lens optical assembly in real time. The dynamic vision system includes a control system configured to adjust the variable lighting assembly. The dynamic vision system includes a processing system that dynamically learns on a training set of outcomes, parameters, and data collected from the variable focus liquid lens optical assembly to train a set of machine learning models to control the variable focus liquid lens optical assembly to optimize collection of data for processing by the set of machine learning models.

The invention is suitable for the technical field of data asset management, and provides a data asset management system based on a block chain and big data analysis, and the system comprises a first terminal which carries out the storage of the ownership information of data assets through a block chain network, and generates a storage data package; generating an evaluation result based on a preset technical index analysis model; writing the hash value of the evaluation result into transaction data of the main chain of the block chain, and generating an evidence storage voucher matched with the block chain transaction; an interaction data sequence is packaged for identity signature, encryption and compression to generate a target code stream, and the target code stream is sent to the second terminal; the second terminal decrypts the encrypted data in the target code stream by using a private key, decompresses the data by using a compression algorithm matched with the first terminal, and restores the data into an interactive data sequence; verifying the access authority and the transaction condition of the evidence storage data packet; checking the anchoring state of the evidence storage voucher on the main chain of the block chain; and the data transaction is completed, the data asset state report is generated, and the data element marketization configuration efficiency is improved.

The invention discloses a switch load balancing method based on fuzzy logic control, and the method comprises the following steps: S1, monitoring a network state in real time through quantum sensing equipment, and obtaining related parameters; s2, transmitting the parameters to a fuzzy logic controller for processing; s3, generating a load distribution strategy according to a predefined rule; s4, transmitting the preliminary strategy to each switch node in the block chain network, and recording related data; s5, verifying the data by using a distributed consensus mechanism of the block chain; s6, dynamically evaluating a node trust value based on an enhanced fuzzy trust model, and selecting nodes meeting requirements to participate in a load balancing game decision; s7, carrying out cooperative calculation on the selected nodes by utilizing a game theory cooperation mechanism, and generating a globally optimized load distribution strategy; and S8, optimizing a load distribution strategy through a quantum genetic algorithm, and performing automatic execution through an intelligent contract. According to the method, the advantages of fuzzy logic, the block chain and quantum computing are combined, and the intelligence and safety of load balancing are improved.

The invention relates to the technical field of cross-border logistics, and discloses a cross-border e-commerce commodity traceability method and system based on a block chain, and the method comprises the following steps: generating a unique traceability code for each cross-border e-commerce commodity, extracting an original information field of the cross-border e-commerce commodity, and calculating an anti-counterfeiting hash value; performing structured packaging on the original information field and the anti-counterfeiting hash value according to a preset template, confirming a transaction through a consensus mechanism, writing the transaction into a block chain, and generating a block hash value; operation information of all logistics nodes is collected, abnormity is recognized through an abnormity detection algorithm, and data fingerprints obtained after abnormity recognition are encrypted and stored; the encrypted and signed operation information is submitted to a block chain network, and a block chain node verifies the validity of a digital signature through a public key of a producer and verifies the legality through a consensus mechanism; and proving an aggregation verification result by using zero knowledge. According to the invention, a complete traceability path is displayed, and full-chain transparent management from production to consumption is realized.

The invention discloses a privacy protection method, system and device for block chain network node audit management, and the method specifically comprises the steps: generating a node anonymous voucher for a candidate node, carrying out the privacy authentication, mapping the sensitive information of the authenticated candidate node into an irreversible cryptographic hash value, and storing the irreversible cryptographic hash value in a distributed key management node; constructing a dynamic credible auditing group, selecting verification nodes from the candidate nodes, and performing uplink evidence storage after BLS aggregation signature; performing privacy aggregation calculation on the node behavior data of the verification node to generate an audit score ciphertext; fine-grained access control is realized through attribute-based encryption, and a node reputation level is dynamically bound through an auditing strategy; adaptive noise is added to an audit result by adopting a differential privacy mechanism, and the epsilon-differential privacy constraint condition is met by dynamically adjusting the noise amount; in the reward and punishment execution stage, a ring signature and a stealth address technology are combined, so that reward and punishment records are unhooked from real identities of nodes, and meanwhile, the trade traceability is ensured.

The invention relates to the technical field of Internet of Things data management, in particular to an intelligent terminal identity authentication and data security management method, system and device based on a block chain and a medium, and the method comprises the steps: generating a unique identity label and a public and private key pair of an intelligent terminal device, a fog node and a user, packaging a digital certificate, and writing the digital certificate into a block chain network; the intelligent terminal equipment initiates a registration request, and the blockchain network distributes a hosting fog node to the intelligent terminal equipment after verification is passed; the intelligent terminal device generates data, constructs a data fingerprint, sends the data fingerprint to the block chain network for storage, encrypts the data, and sends the data to the hosting fog node for storage; a user initiates an authentication request, and a temporary access token is generated after verification is passed; and establishing a secure communication channel by using the temporary access token, obtaining the required encrypted data stored by the fog node, decrypting to obtain the required data, and verifying the integrity of the required data by using the data fingerprint. According to the invention, the overall security and reliability of data management of the Internet of Things system can be significantly improved.

The invention discloses an automobile part multi-source fusion tracing method and system based on a distributed block chain. Firstly, a block chain network and a tracing platform are constructed; a microscopic visual feature image of the surface of the automobile part is collected, the texture type is judged, features are extracted, electromagnetic field intensity distribution features are extracted in combination with an RFID tag, and electromagnetic fingerprints are recognized through a neural network; secondly, multi-source feature data and production and transportation information are bound with unique identifiers and then stored in a distributed block chain network, and a five-layer Merkel tree storage structure is adopted to ensure that the data cannot be tampered; and finally, constructing a tracing query module of a three-layer architecture, and automatically managing data writing and query through an intelligent contract. According to the invention, through combination of multi-feature fusion and the block chain technology, the problems of information island and weak traceability of a traditional traceability system are solved, credible traceability and authenticity identification of automobile parts in the whole life cycle are realized, and the supply chain data security and query efficiency are improved.

The invention discloses a digital asset management method and device, equipment, a storage medium and a program product, and the method comprises the steps: carrying out the hash calculation of transaction data when a super SIM card receives a transaction request carrying transaction data sent by first equipment, and generating a transaction hash value; performing hierarchical signature on the transaction hash value through a preset signature algorithm, and triggering personal identification code authentication of the user so as to release signature data of the hierarchical signature after the personal identification code authentication is passed; and sending the verification abstract of the personal identification code and the signature data to a block chain network, so that the block chain network verifies the signature data, stores the signature data after verification is passed, and returns a transaction confirmation event to the first device. According to the embodiment of the invention, the super SIM card is used as a security carrier, and the transaction data hash calculation, the hierarchical signature and the personal identification code authentication are combined, so that the whole-process security protection of the digital asset transaction is realized, and the security of the digital asset transaction can be effectively improved.

The invention discloses a block chain-based traditional Chinese medicine cupping jar full-life-cycle intelligent tracing method and system, and the system carries out the information collection of all links of cupping jar production, circulation and use, carries out the chaining storage of encrypted data, and achieves the transparency, non-tampering and traceability of the cupping jar full-life-cycle information. Specifically, environment and use data are collected in production and use sites, are preprocessed and packaged into transaction, are broadcasted to a block chain network, are recorded to an account book after multi-party consensus, and are subjected to credibility calculation in combination with a formula. The system provides a traceability query interface and an abnormity early warning function, and effectively guarantees quality safety and supervision compliance of the traditional Chinese medicine cupping jars. The system is suitable for the field of traditional Chinese medicine instruments, the digital and intelligent management level of the traditional Chinese medicine cupping jar industry is improved, and the safety is improved.

The invention relates to the technical field of supply chain risk prediction based on causal reasoning, and discloses a supply chain risk prediction method and device based on causal reasoning, equipment and a medium. The method comprises the following steps: constructing a double-layer knowledge graph of a regulation layer knowledge graph and a logistics physical layer knowledge graph; real-time fusion and characterization of geographical regulation and logistics operation multi-source heterogeneous data are realized, the perception real-time performance and coverage dimension of risk events are improved, then a multi-level causal chain is automatically generated by introducing a large language model, a complex conduction path of risks in a supply chain network can be deeply inferred, and the risk prediction accuracy is improved. According to the method, the defect that hidden association mining is insufficient in a traditional method is overcome, reasoning of risk traceability is improved, and finally a risk prediction result is obtained by mapping causal chain nodes to a logistics physical layer knowledge graph and performing probabilistic calculation. The method has the beneficial effects that the risk prediction of the specified supply chain is realized, and the accuracy of the risk prediction result is improved.

The invention provides an intelligent resource decision-making method based on industrial chain collaborative optimization, and relates to the technical field of industrial internet management, and the method comprises the steps: integrating resource data, business data, external environment and other multi-source heterogeneous data from all participants, combining a causal conduction rule and an operation constraint rule, and carrying out the collaborative optimization of an industrial chain. According to the method, a dynamic digital model capable of simulating a real industrial chain operation mechanism is generated, concurrent extreme conditions of multiple risks in reality are simulated through a composite interference scene for deduction, and a corresponding multi-dimensional toughness index and a visual toughness profile are generated based on a simulation result; precise positioning of key fragile nodes and fragile conduction paths is realized, deduction of different types of composite interference scenes can simulate influences of various complex factors appearing in an actual industrial chain, so that corresponding resource allocation strategies are generated, a coping basis and a precaution basis are provided for appearing of the actual interference scenes, and the resource allocation efficiency is improved. And the coping capability of the industrial chain network to the emergency scene interference is improved.

The invention provides a multi-level architecture-based cross-chain communication and privacy protection method, system and device, and a storage medium, and relates to the technical field of data processing, and the method comprises the steps that an application layer receives a cross-chain asset exchange request initiated by a user through a first block chain network, the request comprises source chain asset information, target chain asset information and a user identity identifier; the application layer executes KYC anti-money laundering verification based on the user identity identifier, and verifies whether a source chain asset address exists in a preset blacklist, so as to obtain a compliance verification passing result; and the protocol layer generates a cross-chain transaction proposal in response to a compliance verification passing result, and constructs a verifiable proof based on a zero-knowledge proof technology. According to the method, the natural contradiction between privacy protection and supervision compliance in a block chain cross-chain scene is solved.

The invention discloses a supply chain network toughness dynamic evaluation method. According to the method, an improved cascade failure model is constructed, normal operation, damage and interruption states of nodes are defined, interruption propagation is simulated, and node state changes are tracked; counting the number of normal operation nodes at each moment to generate a structural performance curve, constructing a maximum flow model with the maximization of the total delivery amount as a target, and solving the total delivery amount at each moment to generate an operation performance curve; according to the structure performance curve and the operation performance curve, the maximum performance decreasing amplitude, the recovery duration and the average performance maintenance rate are calculated respectively, and the supply chain network toughness is quantified from the three dimensions of absorption force, recovery force and adaptability. The invention further discloses a supply chain network toughness dynamic evaluation device, electronic equipment, a storage medium and a computer program product. The method can dynamically evaluate the toughness of the supply chain network facing the interruption risk, provides a stable and reliable basis, and is suitable for toughness evaluation and optimization of the supply chain network.

The invention discloses a trusted data sharing method based on a block chain consensus mechanism. The method comprises the following steps: S1, constructing an alliance chain network; s2, completing KZG polynomial commitment generation, ML-KEM algorithm encryption storage and pointer registration; s3, the data provider medical institution completes an evidence storage transaction of the FROST threshold signature; s4, the target medical institution completes the access request transaction; s5, the data provider medical institution sends a KZG unpacking proof and a data item, the target medical institution obtains a storage pointer and a commitment value, KZG verification check is executed, and after verification is passed, an ML-KEM algorithm is executed for depacking to obtain a session key; and S6, the target medical institution completes the audit transaction, and after the alliance chain network broadcast, the consensus node executes rule verification of the access control contract and the audit contract. The multi-node electronic medical record sharing and tamper-proof evidence storage method is high in performance and traceability, and is suitable for credible circulation of sensitive health data among multiple medical institutions.

The invention discloses a clothing supply chain transparent purchasing and collaborative management method and system based on the Internet of Things and a block chain. The method comprises the following steps: monitoring and collecting state data of raw materials in real time through Internet of Things equipment; when the state data meets a preset purchase triggering condition, a purchase demand transaction is automatically generated and broadcasted on the alliance block chain network; a purchase smart contract deployed on the alliance block chain network responds to the purchase demand, screens candidate suppliers, and quantitatively scores the candidate suppliers based on multi-dimensional historical performance data obtained from a distributed account book to automatically determine a target supplier; the purchase smart contract automatically generates a purchase order transaction and performs consensus evidence storage on the alliance block chain network; and continuously tracking order state update on the alliance block chain network, and automatically executing a settlement process when a preset payment condition is satisfied. According to the invention, the problems of opaque information, lagging purchasing decision, low process efficiency and difficulty in multi-party collaboration of the traditional clothing supply chain are solved.

The invention relates to the technical field of smart factory supply chain traceability, and discloses a smart factory supply chain traceability method and system based on a block chain, and the method comprises the steps: recording the geographic position and logistics trajectory data of a supply chain node through the block chain, constructing a network topological graph, carrying out the merging optimization of the node, calculating a shortest path, and recognizing a key link; and the supply chain traceability path is determined. According to the method, firstly, the data credibility is ensured by using a block chain technology, then network optimization is performed based on node attributes and a service dependency relationship, and finally, a key traceability path is determined through an improved path algorithm and a node importance score. According to the method, the supply chain network structure can be effectively simplified, important nodes and abnormal links can be identified, reliable technical support is provided for supply chain management and risk control, and the transparency and traceability of the supply chain are improved.

The invention relates to the field of network and information security, and discloses a server security authentication system based on block chain trusted computing. Comprising a block chain network, an intelligent contract module, an authentication service module, a verification node and a to-be-authenticated server. The intelligent contract module records a registration index, a certification public key, a policy version number, a baseline commitment value and a revocation state. The authentication service module generates a challenge parameter and a challenge value based on the block height and the block hash digest. The trusted agent module collects a measurement abstract and forms a certification packet, and the trusted root module derives a staging certification key in a protected environment and signs the certification packet. And the verification node reads the data on the chain to complete signature verification, challenge value re-calculation, window verification and compliance proof verification, and generates an authentication bill containing an effective height range for resource access judgment after passing the verification.

Illustrative embodiments provide a system, method, platform, and block chain network for performing content licensing. Copyright information associated with content is received. A digital representation of the content is received. A digital representation of the content is received. One or more secure identifiers is assigned to the content. A content library and a blockchain ledger with the content and associated one or more secure identifiers are updated. Licenses and transactions are implemented for the content. The licenses and transactions are recorded in the blockchain ledger.

The invention relates to the technical field of power electronics, in particular to a network construction type STATCOM topological structure with a super-capacitor and a control method thereof, the topological structure is a star-shaped chain network construction type STATCOM system with a super-capacitor module power unit, the power unit comprises a super-capacitor module and an H-bridge module, and the super-capacitor module is connected with the H-bridge module in parallel; the super-capacitance module is formed by cascading three sub-modules, and each sub-module comprises a super-capacitor, a filter inductor and a DCDC circuit; the control method comprises the steps of voltage feed-forward unit phasor calculation, reactive voltage control and virtual internal potential angle calculation, virtual impedance amplitude limiting logic, bridge arm current reference instruction calculation and modulation wave instruction calculation. According to the invention, the applicability of the super capacitor module is enhanced, the design cost is saved, mutual interference between the frequency modulation characteristic and the inertia damping characteristic is avoided, the active power steady state control precision is improved, and the product safety is improved.

The invention belongs to the technical field of data security and block chains, and discloses a physical infrastructure node continuous data chaining and traceability method and system, and the method comprises the steps: generating a unique asymmetric key pair for each node; continuously collecting physical sensing data and generating a unique data identifier; performing digital signature on the current physical sensing data to form a continuous signature chain; storing the original physical perception data, the corresponding digital signature and the continuous signature chain in an off-chain service platform database; uploading the data identifier, the digital signature and the hash value of the original physical sensing data to a block chain network based on a dynamic anchoring strategy; and comparing the calculated hash value with the hash value of the corresponding original physical sensing data in the block chain network, and backtracking the continuous signature chain. According to the invention, a safe, efficient and traceable complete data guarantee scheme can be provided for a decentralized physical infrastructure network.

The invention relates to the technical field of medical treatment, and discloses a knee joint knee protection treatment personalized planning system based on multi-modal data fusion. A data acquisition and preprocessing module of the system acquires a multi-modal data stream of the knee joint of a patient in real time and generates a standardized data packet; the treatment event identification module is used for automatically identifying and verifying key treatment events from the standardized data packet and generating a treatment event sequence; the historical treatment path query module queries a distributed database and extracts treatment modes of similar patients; the graph matching and path generation module is used for calculating the similarity between the current treatment event sequence and a historical treatment mode, generating a fusion treatment path when the similarity exceeds a threshold value and storing the fusion treatment path to the block chain network; the abnormity monitoring and analysis module monitors abnormal event points in the fusion treatment path in real time, triggers a path decomposition mechanism and performs multi-dimensional performance analysis; and the personalized scheme generation module is used for dynamically adjusting treatment parameters and generating a personalized treatment planning scheme.

The invention relates to a main chain DAG block chain network model for food big data, and relates to the field of food safety and the field of block chains. On the basis of a main chain DAG block chain technology, a block chain architecture suitable for food big data with high throughput characteristics is provided, a food supply chain analysis model and a food block chain architecture based on main chain DAG are constructed, main chain DAG topology structure characteristics are improved, and a food supply chain analysis model is constructed. A layered MPT structure optimization scheme based on the food data sensitivity level is provided based on the Merkel-Peltier tree so as to reduce the large calculation overhead generated by the large-scale Merkel tree and improve the management query efficiency. And a special block head is designed, and adaptive block head content is constructed. And the storage bytes of the block head are subjected to refined calculation, so that the block storage requirements are reduced. According to the method, the main chain DAG block chain network model of high-throughput food big data is realized by constructing the topology structure of the main chain DAG block chain and the block body of the block head.

The invention provides an energy storage equipment management method and system based on the Internet of Things, and relates to the technical field of energy storage management, and the method comprises the steps: determining an energy scheduling target node and a node interaction strategy through a block chain network according to the real-time operation data of energy storage equipment collected by an Internet of Things platform, and generating a decentralized scheduling instruction; docking a target node edge calculation unit according to the instruction, and outputting network configuration parameters; global state monitoring is carried out through an end-edge-cloud collaborative architecture, and data of charging and discharging abnormity of a physical layer and communication abnormity of a service layer are acquired; generating an exception handling strategy based on an adaptive deep reinforcement learning model, recalculating an energy scheduling target node, forming a closed-loop control instruction, and feeding back the closed-loop control instruction to the block chain network; according to the invention, processing delay easily caused by dependence on a master-slave block chain structure in a shared energy storage scene is avoided; the adaptability to the dynamic environment is enhanced, the sudden electricity price change or equipment abnormity is handled through automatic adjustment, and the effect of decision making in the complex power grid environment is improved.

The invention relates to the technical field of engineering construction informatization and data security, and provides an engineering supervision transparency platform based on a block chain, the platform adopts a three-layer collaborative architecture of terminal acquisition, edge processing and on-chain consensus: field data and space-time and identity information are bound in a hardware security area through a special intelligent terminal; a local server is used for data buffering and distributed storage; the data fingerprints are stored without being tampered based on the alliance block chain network and the smart contract, and a multi-party verification process is automatically executed. According to the method, the whole process of supervision data from the source to the evidence storage is credible, the authenticity and integrity of the data are guaranteed, the collaboration efficiency is improved, offline synchronization and visual tracing are supported, and transparent and reliable technical support is provided for project quality management.

The invention discloses an archive information security storage and tamper-proof method and system based on a block chain, and belongs to the field of information security, the method comprises the following steps: obtaining archive information to be processed and generating standard archive data; a time sequence accumulation state hash model is adopted to process the standard archive data to generate digital fingerprints, and the time sequence accumulation state hash model constructs an academic state hash chain which takes initial academic state hash as a starting point and is recursively deduced along with time for each student; the generation of each new academic state hash is forced to depend on a previous academic state hash, a current period archive data abstract, a timestamp and a context challenge factor derived from a previous state; the digital fingerprints, the unique identity identifiers of the students and the operation metadata are packaged into archive information transactions, and the archive information transactions are signed by an authorization mechanism and then broadcasted to a block chain network; and a personal electronics file is formed. According to the invention, powerful and provable time sequence integrity is provided for auditing and tracing of archives.

The invention discloses a supply chain collaboration platform based on a hybrid block chain architecture and a data intercommunication method, and relates to the field of data processing. In the system, an edge computing device preprocesses original data; preprocessing the data, encrypting the preprocessed data based on an SM2 cryptographic algorithm, and finally uploading the encrypted data to a block chain network; the block chain network is based on a mixed block chain architecture of an alliance chain layer and a light node synchronization layer, and performs data chaining by adopting a PBFT consensus mechanism; data storage is carried out by adopting encryption fragmentation and a distributed redundancy storage mechanism; meanwhile, data desensitization processing and authority level-to-level management are carried out by adopting a cryptographic algorithm; the block chain network embeds the AI demand prediction model into a smart contract, and dynamically adjusts a production plan and logistics scheduling; the scheduling optimization module feeds back an optimized scheduling result to the smart contract based on a multi-objective optimization and closed-loop feedback mechanism; according to the invention, the whole-process data uploading and dynamic optimization of the supply chain can be realized.

An information technology system generally includes a cloud-based management platform with a micro-services architecture deploying a set of adaptive intelligence facilities that can be configured to automate a set of capabilities of the platform related to at least one of the value chain network entities and the features of the platform and a set of data storage facilities that can be configured to store data collected and handled by the platform. The data can be related to at least one of the value chain network entities and the features of the platform. A set of monitoring facilities can be configured to monitor the value chain network entities. The platform can be configured to host a set of applications for directing an enterprise to manage the value chain network entities from a point of origin of a product of the enterprise to a point of customer use.

A system includes a fleet resources data store that maintains a fleet resource inventory indicating fleet resources that can be assigned to perform tasks. For each fleet resource, the inventory indicates features of each fleet resource and a respective status. A set of task definitions is accessible to an intelligence layer to facilitate improving task definition based on feedback from task-specific outcomes. The system receives a job request for a robotic fleet to perform a job and determines a job definition data structure indicating a set of tasks to be performed for the job. The system applies an outcome of performing a task by a resource assigned to perform the task to a machine learning system of the intelligence layer that facilitates improving, based on the outcome, the set of task definitions. The system updates the set of task definitions based on a result of applying the machine learning system.