Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

38 results about "Chain model" patented technology

The means-end chain model is a conceptual entity or structure which sets a connection between the user and the product.

System, method, and apparatus for supply chain management

A device may include an interface manager configured to implement a build interface, and to build a visual model in response to user operations on the build interface. A device may include a supply chain model creation component configured to determine a supply chain model in response to the visual model. A device may include a supply chain model execution component configured to operate the supply chain model as a digital twin of at least a portion of a physical supply chain, to interpret at least one physical supply chain execution value, and to provide a notification to a user of the supply chain command platform in response to a comparison of the supply chain model and the at least one physical supply chain execution value.
Owner:PARKOURSC INC

Systems and methods for chain of thought meta-prompting for machine learning models

A method, apparatus, and system for performing a task using a chain of thought model. An initiation prompt for execution by at least one machine learning model is provided, including an objective and instructions to define a plurality of agents for achieving the objective and an arrangement of the plurality of agents. A response to the initiation prompt is received defining the plurality of agents and the arrangement of the plurality of agents. The arrangement comprises a hypergraph in which a plurality of nodes represents the plurality of agents, respectively, and a plurality of edges represents data connections between the plurality of agents. A first agent and a second agent are instantiated based on the response. The first agent is represented by a first node of the plurality of nodes in the hypergraph. The second agent is represented by a second node. An output of the second agent is obtained.
Owner:THINKABLE HOLDINGS INC

Search intention recognition method and device, equipment and storage medium

The invention discloses a search intention recognition method and device, equipment and a storage medium, and relates to the technical field of reinforcement learning, and the method comprises the following steps: generating training data based on an original corpus; performing supervision fine tuning processing on the lightweight language model based on the training data to obtain a fine tuning trained lightweight language model; performing strategy optimization on the lightweight language model subjected to fine tuning training through an improved GRPO reinforcement learning algorithm to obtain a lightweight language model subjected to reinforcement training; constructing a double-model hybrid architecture based on a short thinking chain model and a thinking chain-free model in the lightweight language model subjected to enhanced training; and outputting a final sequence of the related documents of the search terms of the user through the double-model hybrid architecture. According to the technical scheme of lightweight language model fine tuning, reinforcement learning optimization and double-model hybrid reasoning, the target search scene recognition accuracy is improved, the real-time response speed is high, and training time consumption and reasoning resource requirements are reduced.
Owner:CHINA MERCHANTS BANK

Intelligent analysis method and system based on multi-source data

The invention relates to the technical field of encrypted communication, and discloses an intelligent analysis method and system based on multi-source data, and the method comprises the steps: obtaining multi-dimensional metadata of an encrypted communication flow, and generating a feature vector set; calculating a state transition probability of a communication session by using a Markov chain model, dividing the communication session according to a time window and mapping the communication session to a discrete state, and generating a session state evolution sequence; analyzing a session state evolution sequence based on a hierarchical topic model, mapping the state sequence to a behavior topic through potential Dirichlet allocation, mapping the behavior topic to an intention category through a hierarchical Dirichlet process, and outputting a communication intention category and a confidence score; according to the method, the limitation that static feature analysis cannot reflect the complete life cycle of the session is overcome, the problem of semantic gaps caused by limited metadata information dimensions is solved, and the accuracy and robustness of intention recognition are improved.
Owner:TANGREN COMM TECH CO LTD

Global optimization method and device for refinery enterprise supply chain

The invention provides a global optimization method and device for a refinery enterprise supply chain, and the method comprises the steps: obtaining a supplier set, a sales company set, a refinery plant set, a transportation set, a product set and a spatial position set of a refinery enterprise, and constructing a supply chain model, represented by a network graph, of the refinery enterprise; simplifying the supply chain model represented by the network graph by using a graph sampling algorithm to obtain a sampled supply chain model, constructing an effective lower bound function of a supply chain optimization problem, and solving a first optimal solution according to the effective lower bound function and the sampled supply chain model; reducing the supply chain model represented by the network graph by using a graph reduction algorithm to obtain a reduced supply chain model, constructing an effective upper bound function of a supply chain optimization problem, and solving a second optimal solution according to the effective upper bound function and the reduced supply chain model; and generating a global optimal solution of the supply chain model according to the first optimal solution and the second optimal solution.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A blockchain-based federated learning method, device and blockchain node

The application discloses a kind of based on blockchain's federated learning method, device and blockchain node, it is related to blockchain technology field, to solve the problem of poor model precision that existing based on blockchain's federated learning framework is trained.The method comprises: training initial model using own sample until target sample residual that satisfies preset condition is obtained, different alliance chain members have different attribute characteristics;Collaborative training request is issued to blockchain, so that the participants in the alliance chain that respond to collaborative training request collaboratively train blockchain model, and target sample residual is carried in collaborative training request;Collaboratively train blockchain model using common sample with participant, and submit the model parameter obtained after training to blockchain.In this way, the requester publishes the residual of preliminary training in blockchain, so that each participant collaborates to train blockchain model using its unique data characteristics, and higher precision model training can be achieved.
Owner:CHINA MOBILE M2M +1

Product analysis method and system based on life cycle-system level data chain model

The application discloses a product analysis method and system based on a life cycle-system level data chain model, realizes transparent recording and tracing of product life cycle data through a decentralized data storage platform of a block chain, applies smart contract technology, accurately cooperates global and local decisions, and breaks the collaboration bottleneck of a traditional manufacturing system. Meanwhile, the problem of small sample data imbalance is solved by using a distributed sharing mechanism of the block chain, and the data credibility and the overall availability of the system are improved. On the basis of the decentralized data storage platform, a product life cycle and system level double digital main line block chain data model is established, an intelligent manufacturing data analysis and knowledge learning model is established in a method domain, the block chain is combined with edge computing, data processing is more efficient and intelligent, the intelligent level of the manufacturing system is further improved, and a comprehensive, efficient and intelligent solution is provided for digital transformation.
Owner:GUANGDONG UNIV OF TECH

Coal application and development system

The invention provides a coal application development system, which comprises a data integration module used for acquiring multi-source heterogeneous data and generating a data model used for providing a standardized protocol and a standardized interface; the event processing and driving module is used for providing an event chain model, defining an event chain, dynamically generating an event chain instance and executing the event chain; the user interaction module is used for providing an interaction device for a user, inputting request data to the event processing and driving module through the interaction device, and receiving output data of the event processing and driving module; and the visualization module is used for displaying the execution data and the execution result of the event chain. The coal application development system provides a standardized protocol and a standardized interface and is suitable for different coal systems, so that cascade connection or resource sharing between different coal systems in the later period is achieved, meanwhile, the coal application development system adopts an event chain driving architecture, high-concurrency processing can be achieved, and the development efficiency is improved. And the method has good expandability and flexibility.
Owner:CHINA COAL RES INST +1

Task execution method and device, equipment, storage medium and program product

The invention provides a task execution method and device, equipment, a storage medium and a program product, and the method comprises the steps that a thinking chain model automatically generates instruction information according to task description information and current state information of at least one mode; the instruction execution model obtains instruction information and state information, executes a corresponding instruction and outputs execution information; wherein the state information is updated after the instruction is executed; the matching model determines whether the execution result is matched with the instruction information at least according to the instruction information and the execution information; if the task description information is matched with the task description information, and the updated state information does not conform to the task completion state corresponding to the task description information, the updated state information is used as current state information to be input into the thinking chain model, and the thinking chain model continues to automatically generate next piece of instruction information according to the task description information and the state information; and the state information accords with the task completion state corresponding to the task description information.
Owner:MOORE THREADS TECH CO LTD

Analysis method for logistics industry green innovation performance spatio-temporal heterogeneity

The invention provides a logistics industry green innovation performance spatio-temporal heterogeneity analysis method, which comprises the following steps of: 1, constructing a multi-dimensional index system, and calculating a logistics industry green innovation performance comprehensive index through a combined weighting method and a TOPSIS method; 2, coupling the weight matrixes of the geography, economy and logistics networks, and constructing a spatial weight matrix; step 3, analyzing a space driving mechanism of logistics industry green innovation performance by using an improved space Durbin model (SDM), and decomposing space effects into four classes of instant / accumulation and direct / indirect; and 4, constructing a space Markov chain model by taking a space lag factor as a condition, and realizing dynamic prediction and club convergence detection of a logistics industry green innovation performance state. According to the method, thoughts and schemes are provided for solving the problem that static evaluation and dynamic prediction are separated in traditional research, an evaluation-mechanism-prediction framework is formed, and accurate support is provided for formulating regional logistics policies.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY

Progressive chain interactive document generation method

The invention discloses a progressive chain interactive document generation method, and belongs to the technical field of thinking chain models. The method mainly comprises the following steps of: 1, analyzing blocks from a given document template; 2, analyzing a core task item, a supplementary description item and an example; 3, requiring the user to provide further related information; 4, taking the question and answer process of the previous step as background data to participate in question and answer of the current step; 5, splicing in the step 2, the step 3 and the step 4 to form a cue word, and generating a thinking process and a reply by a large model; step 6, performing post-processing on a return result of the large model so as to meet a consistency requirement and a structure requirement; 7, modifying a result generated by the model by a user, and confirming that the generated result is available; and step 8, writing the confirmed result in each step into a corresponding position in the template, and outputting a document. According to the progressive chain interactive document generation method, the effect of outputting the thinking process is achieved.
Owner:SHANGHAI TECHN INST OF ELECTRONICS & INFORMATION

Method for optimizing dimensional chain model of sub-part of product assembly

The invention relates to a method for optimizing dimension chain models of sub-parts of a product assembly. The method comprises the steps that the dimension chain models of all the sub-parts are constructed based on three-dimensional geometric data, assembly process parameters and measurement dimension data of the sub-parts; determining simulation size data of the size chain model of the product assembly obtained by assembling the sub-parts based on the size chain model of the sub-parts; measuring actual size data of a product assembly obtained by assembling the sub-parts; and correcting model parameters of the dimension chain model of the sub-part based on first deviation data between the simulated dimension data and the actual dimension data of the product assembly. According to the method and the device, the difference between the simulation size data and the actual size data of the product assembly is reduced in an accelerated manner in a pilot production stage or a product development and debugging stage, the actual size data of the product assembly can meet the dimensional tolerance of the size chain model after less times of tests, the dimensional accuracy of the product assembly is effectively improved, and the product assembly is more accurate. And the problem of size out-of-tolerance in the sub-part assembling process is reduced.
Owner:MERCEDES BENZ GRP

A multi-task allocation algorithm optimization method for complex task scenarios

The application provides a kind of multi-task allocation algorithm optimization method for complex task scene, comprising: based on task chain and OODA theory, considering node attribute, heterogeneity and edge directionality on the basis of task chain model, establish effective task net model;According to the effective task net model, a dynamic reconstruction strategy after random failure and deliberate attack failure is established;Initialize the effective task net model, analyze the failure of unmanned cluster nodes and edges, use adjacency matrix and arrival matrix to realize the task success rate of different task allocation algorithms;Through the numerical simulation results of the task success rate of different task allocation algorithms, the advantages and disadvantages of the allocation algorithm are evaluated, and the optimization analysis of the task allocation algorithm under different task scenes is realized.The application greatly improves the task success rate of the cluster in the complex task environment, the task success rate based on the effective task net is simulated and optimized for the task allocation and execution process, effectively supports the control decision of the cluster, and improves the task execution efficiency of the cluster.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Exterior wall component tolerance distribution optimization method based on multi-tolerance collaboration

The invention provides an outer wall component tolerance distribution optimization method based on multi-tolerance collaboration. The method comprises the following steps: establishing a wallboard two-dimensional analysis system; establishing a dimension chain formula of the wallboard two-dimensional analysis system; an optimization function with the purpose of minimizing the sum of the comprehensive cost coefficients is constructed through correlation coefficients between the tolerances; determining constraint conditions corresponding to the tolerance in the horizontal direction and the vertical direction and constraint conditions of the dimension chain model; an optimal tolerance allocation scheme meeting constraint conditions is obtained through iteration in combination with an improved genetic algorithm containing an elitist strategy; the optimal outer wall component manufacturing tolerance is obtained from the optimal tolerance distribution scheme; according to the relation between the optimal outer wall component manufacturing tolerance and the wallboard two-dimensional analysis system, the sizes of a longitudinal seam, a transverse seam and a diagonal line are obtained; according to the method, multi-tolerance collaboration can be considered, high-accuracy parameters are obtained, and the local optimization problem in the optimization process is avoided by combining the use of an elite strategy.
Owner:河南省第二建设集团有限公司 +1

Enterprise credit dynamic evaluation method and system based on big data

The invention relates to the technical field of financial risk control and big data, in particular to an enterprise credit dynamic evaluation method and system based on big data, and the method comprises the steps: obtaining commercial operation data, constructing a dynamic transaction graph, and generating a transaction health propagation index; analyzing the real-time operation data flow to obtain a digital asset pledge score; identifying an abnormal transaction group through a cross-chain model; and finally, integrating the indexes to output a dynamic credit evaluation result. According to the method, comprehensive quantitative evaluation is carried out from three dimensions of external ecological risks, internal operation vitality and an associated fraud network, and the defects that a traditional evaluation method is static and isolated, and gang fraud is difficult to identify are overcome.
Owner:SUZHOU ZHONGLU ENTERPRISE MANAGEMENT SERVICE CO LTD

Cross-chain data sending method and receiving method, electronic equipment and storage medium

The invention discloses a cross-chain data sending method and receiving method, electronic equipment and a storage medium. The cross-chain data sending method comprises the following steps: performing block coding on first floating point data to be transmitted to obtain first block floating point data; performing structured packaging on the first block of floating point data to obtain a second block of floating point data; and performing cross-chain transmission on the second block of floating point data to send the second block of floating point data to the second block chain. In a cross-chain scene, data is compressed through block coding, the on-chain storage overhead and the network transmission load of the block chain are reduced, and the data transmission speed and the cross-chain communication efficiency are improved; through structured packaging, the problem of inconsistent analysis of traditional floating point data in a multi-chain environment is avoided, and the exchange efficiency and consistency of the floating point data between multi-chain systems are improved. The method is suitable for cross-chain floating point calculation or data synchronization scenes, in particular to traceability chains, cross-chain model calculation, credible floating point data verification and other scenes with low data precision requirements but large data volume.
Owner:SHENZHEN LINZHOU TECHNOLOGY CO LTD

Method, device, and program for predicting stress-strain characteristics of rubber material, recording medium, and design method

To provide a method, device, and a program, capable of accurately predicting stress-strain characteristics of a rubber material in a shorter time and at lower cost, a recording medium, and a design method.SOLUTION: A method for predicting stress-strain characteristics of a rubber material based on an 8-chain model by computer simulation comprises steps of: calculating parameters on the basis of a correlation expression of a molecular chain number n and a segment number N being the parameters of the 8-chain model and at least one of the crosslink density and component formulation amount, created using at least one of the previously-experimentally obtained crosslink density and component formulation amount for a plurality of rubber material samples having different formulations, and previously-experimentally obtained stress-strain characteristics of the rubber material samples, and at least one of the crosslink density and component formulation amount of the rubber material to be analyzed; and predicting the stress-strain characteristics of the rubber material to be analyzed on the basis of the calculated value of the parameters and the 8-chain model.SELECTED DRAWING: Figure 4
Owner:MAZDA MOTOR CORP +1

Kinematic joint and chain physical tool for augmented reality

PendingCN120858382AAnimationInput/output processes for data processingGraphical control elementDisplay device
Examples related to kinematic joint and chain physical tools for augmented reality implementations are provided. One aspect includes a computing device for kinematic joint simulation, the computing device comprising a display and a processor coupled to a storage system storing instructions that, when executed by the processor, cause the processor to: present a chain simulation interface comprising a plurality of graphical control elements, each graphical control element is configured to adjust at least one physical parameter, receive a selection from a user using a plurality of graphical control elements, update a chain model based on the received selection, and display and animation the updated chain model on a display using a physical engine during kinematic motion simulation, wherein the chain model comprises a plurality of rigid mesh models linked together by spring elements arranged in a tree configuration, thereby forming an assembly skeleton.
Owner:FACE CUTE CO LTD +1

Gastrodia elata whole process traceability method and system based on digital twinning and blockchain

The application discloses a Gastrodia elata full-process traceability method and system based on digital twinning and blockchains, and particularly relates to the field of agricultural product quality traceability data processing technology, and is used for solving the problem that the existing traceability system uses a static quality snapshot as the whole-process quality basis, thereby causing the traceability conclusion to deviate from the real quality of the physical object; the method is achieved by the following steps: acquiring initial quality data and environmental parameter sequences after a processing node, simulating active ingredient accumulation and attenuation along the environmental parameter sequences by a digital twinning model to generate a dynamic quality trajectory, separating an irreversible damage component when the environmental parameter sequences abnormally fluctuate, correcting the attenuation factor, and uploading the model state parameters to a blockchain for storage and evidence, when traceability is queried, the dynamic quality trajectory is advanced to the current time point and is consistent with the on-chain model state parameters, physical feasibility is verified based on the ratio of the entropy trap crossing accumulation and the theoretical minimum demand, and according to the verification result, an untrustworthy identifier or a quality change traceability certificate is classified and output.
Owner:GUIZHOU QIANKEXUN TECHNOLOGY CO LTD +1

Full-stage Trust Guarantee Method for Federated Learning Training of AIGC Model

The present invention discloses a full-stage trustworthy guarantee method for the federated learning training of AIGC models. Based on blockchain technology and the Nostr protocol, the present invention designs a multi-party data verification mechanism based on the Nostr protocol to ensure the trustworthiness of the data preparation stage, designs a verification strategy combining on-chain and off-chain to ensure the trustworthiness of adapter updates, designs an on-chain election, off-chain model merging, and an on-chain verification strategy to ensure the trustworthiness of model merging, aiming to ensure the trustworthiness of the entire process of federated learning training of AIGC models represented by large language models.
Owner:SCHOOL OF SOFTWARE ZHEJIANG UNIV (NINGBO) MANAGEMENT CENT (NINGBO SOFTWARE EDUCATION CENT) +1

Network security isolation method based on 5G network slicing technology

The invention provides a network security isolation method based on a 5G network slicing technology, and belongs to the technical field of 5G network communication, and the method comprises the following steps: constructing a physical network model and service chain model set, and defining an optimization objective function as minimum resource overhead; applying a physical isolation constraint to enable the VNF to monopolize a physical node; constructing an end-to-end time delay model, and carrying out time delay constraint; constructing a service chain deployment optimization problem on the basis of minimizing weighted resource overhead and simultaneously satisfying physical isolation and end-to-end time delay constraints; and converting the optimization problem into a weighted hypergraph matching problem, and iteratively generating an approximate optimal solution by adopting a local search algorithm. The method has the advantages that by constructing a comprehensive constraint model of time delay, joint optimization is performed on each time delay component in a deployment stage; by applying the isolation constraint, the VNF and the virtual link of the high-security service chain are forced to exclusively occupy the physical node and the link resource, and the problem that the existing logic isolation technology cannot meet the high-security service requirement is solved.
Owner:STATE GRID HENAN INFORMATION & TELECOMM CO

A method and system for intelligent analysis based on multi-source data

The application relates to the technical field of encrypted communication and discloses a method and system for intelligent analysis based on multi-source data, wherein the method for intelligent analysis based on multi-source data comprises the following steps: obtaining multi-dimensional metadata of an encrypted communication flow to generate a characteristic vector set; using a Markov chain model to calculate state transition probability of a communication session, dividing the communication session according to a time window and mapping the communication session to discrete states to generate a session state evolution sequence; analyzing the session state evolution sequence based on a hierarchical topic model, mapping the state sequence to a behavior topic through a latent Dirichlet allocation, mapping the behavior topic to an intention category through a hierarchical Dirichlet process, and outputting a communication intention category and a confidence score; the application overcomes the limitation that static feature analysis cannot reflect the complete life cycle of a session, solves the semantic gap problem caused by limited metadata information dimensions, and improves the accuracy and robustness of intention recognition.
Owner:TANGREN COMM TECH CO LTD

Quantitative analysis method for mechanical contribution of bridged chain in polymer nanocomposite

The present application relates to the field of material analysis, in particular to a kind of quantitative analysis method of bridging chain mechanics contribution in polymer nanocomposite material.The quantitative analysis method provided by the present application realizes the quantitative analysis of bridging chain mechanics contribution by artificially constructing the model of bridging chain structure, in combination with the accurate tracking of known particle number and local stress decomposition technology, establishes the quantitative relationship between "bridging chain structure-mechanics contribution", provides analysis tool and theoretical basis for rational design of high-performance nanocomposite material.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES

An execution chain segmentation construction method for heterogeneous computing platforms

The application discloses a kind of execution chain segmentation type construction methods for heterogeneous computing platform, it is related to heterogeneous computing and real-time task management technical field.The present application takes the end-to-end execution flow of complete complex application as object, by identifying the basic execution unit in original application execution flow, the execution resource type and effective interaction boundary of each basic execution unit are combined, and the execution chain model composed of multiple execution segments is constructed, and the execution chain model obtained can be directly served for subsequent scheduling analysis, execution control, timing analysis and cross-platform deployment.The present application can accurately describe the real execution process of complex intelligent application on heterogeneous platform, significantly improve the expression ability of execution chain model to end-to-end application flow, improve the integrity and accuracy of heterogeneous execution process modeling, with strong engineering practicability and industrial application prospect.
Owner:SHANGHAI JIAOTONG UNIV +1

Auditable chain model digital watermarking method

The invention discloses an auditable chain model digital watermarking method. The method comprises the following steps: an owner inputs a salt value and an owner identifier to a computer system; dividing the model training period into training fragments; calculating the identifier of the current training fragment through a hash function according to the model weight of the previous training fragment; generating current training fragment watermark information by taking the identifier as a seed of a generator; constructing a total loss function containing task loss and watermark loss; watermark loss is realized by constraining a target embedding parameter symbol or a numerical approximation binary watermark bit stream; a watermark is positioned through statistical analysis, and privacy noise is introduced before training fragment storage; storing the model as a detection point file after noise injection as an initial weight of a next fragment; repeating iteration to complete training, and outputting a model hash chain; and according to the verification request, performing dual verification based on the model hash chain, and sending a verification result to a verifier. The method improves the robustness of the watermark to various attacks, and is suitable for model distribution and copyright evidence obtaining scenes.
Owner:GUIZHOU UNIV

Reconfigurable cross-chain connection method and system, storage medium and device

The invention discloses a reconfigurable cross-chain connection method and system, a storage medium and a device, and the system comprises an interface setting module which is used for setting a virtual machine resource scheduling connection interface oriented to resource adaptation to adapt to cross-chain transaction processing and dynamically allocating computing resources; the prefix tree and inverted document component is used for quickly accessing data of a data provider and a user subscription scene in a cross-chain process; a double-channel wedging contract transaction exception processing module constructs a side chain firewall; the domain-specific language cross-chain on-chain data interface is used for connecting and calling intelligent contract calling when transaction exception processing of asset state locking of processing domain characteristic languages is carried out; and the supervision department specific operation interface is used for receiving the supervision data or feeding back the supervision data to a supervision department to realize data supervision. According to the resource adaptation-oriented virtual machine resource scheduling connection interface, a reconfigurable cross-chain model is realized, heterogeneous compatibility with multiple chains is realized through a multi-chain protocol adaptation mechanism, and resource adaptation complex and changeable requirements are realized through virtual resource dynamic allocation.
Owner:HANGZHOU YUNXIANG NETWORK TECH

Front-end State Abnormality Detection Method and System Based on Causal Chain

The embodiments of this specification disclose a front-end state anomaly detection method and system based on causal chains. The method includes the following steps: Step S1: Identify the call relationships among event listeners, asynchronous tasks, and state change logic by parsing the source code, and construct an expected causal chain model; Step S2: During the application runtime, dynamically verify whether the actually occurring causal chain conforms to the expected model; wherein, in Step S1, the parsing of the source code is performed through techniques including but not limited to AST technology; in Step S2, the hijacking methods of key functions include but are not limited to the Proxy mechanism, function wrapping, and Hook technology. This application constructs an expected causal chain model and dynamically verifies the actual path during runtime, avoiding system inconsistencies caused by causal chain anomalies. Secondly, it uses an AI model to generate repair strategy suggestions, upgrading the inefficient troubleshooting process that traditionally relies on logs and breakpoint debugging to intelligent decision-making, significantly improving the repair efficiency.
Owner:HANGZHOU ANQUAN DIGITAL INTELLIGENCE TECH CO LTD

Simulation method for joint coupling motion of flexible boundary and internal active chain based on annular polymer model

The invention relates to the field of computer simulation and polymer physics, particularly discloses a simulation method for joint coupling motion of a flexible boundary and an internal active chain based on an annular polymer model, and aims to solve the problem that complex dynamic coupling and nonlinear deformation behaviors between the active chain and the flexible boundary are difficult to really simulate in the prior art. The method comprises the following steps: constructing an annular polymer model formed by connecting inactive particles through chemical bonds so as to characterize a flexible boundary; initializing an active chain model based on boundary geometric constraint, and dynamically aligning driving force and chain segment orientation; adjusting the chain parameters according to the conformation features to generate conformation evolution data; kinetic parameters are extracted to establish a diffusion gradient and volume fraction feedback mechanism, and a bidirectional coupling model is formed by combining the acting force of a local density and velocity field calculation chain on the boundary. According to the technical scheme, non-linear phenomena such as asymmetric collapse, oscillation and bud growth of the boundary can be reproduced in a high-fidelity mode, and the physical authenticity and predictive ability of simulation are remarkably improved.
Owner:SUZHOU INST OF TRADE & COMMERCE

A health improvement method and system based on user behavior patterns

The application discloses a health improvement method and system based on user behavior patterns, and relates to the technical fields of health management and intelligent device data processing.The method comprises the following steps: S1, continuously collecting multi-dimensional behavior data of a user from at least two different types of intelligent devices, wherein the multi-dimensional behavior data comprises physical activity data, sleep structure data and nutrition intake data, and performing noise removal, normalization and timestamp alignment operations on the multi-dimensional behavior data to generate a standardized behavior data sequence with a minute as the minimum time granularity.The application collects multi-dimensional behavior data from at least two types of intelligent devices, generates a high-quality data sequence through sliding window smoothing, outlier rejection and standardization processing, mines behavior time sequence correlation through dynamic time warping, analyzes causal relationships through improved Granger testing, and constructs a personalized behavior chain model, thereby solving the problem that the prior art can only statistically analyze data in isolation.
Owner:FUJIAN JINFENG FOOD TECHNOLOGY CO LTD

Maintenance decision-making method and system for multi-state complex system under partial observable information and computer program product

The invention relates to the technical field of mechanical engineering, in particular to a multi-state complex system maintenance decision-making method under partial observable information, and the method comprises the steps: constructing a continuous time homogeneous Markov chain model of a multi-state degradation process based on state observation data; the expectation maximization algorithm is utilized to jointly estimate to-be-estimated state transition parameters and observation parameters, the Bayesian theorem is combined to update the posterior probability of the system at each sampling moment in real time, and the optimal condition reliability control limit is sought with the calculation of the condition reliability of the system and the minimization of the long-range expectation average cost as the target; and deriving and calculating the transition probability, the expected residence time and the expected maintenance cost in the semi-Markov decision process so as to determine the maintenance decision of the multi-state complex system. Therefore, the problems that in the related technology, the difference of failure rates of all states of the system is not considered, and the optimal shutdown threshold value is a virtual composite index, so that a maintenance decision is lack of accuracy and pertinence, and the reliability of the system is affected are solved.
Owner:NANJING INST OF TECH