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1553 results about "Risk evaluation" patented technology

Risk Evaluation Definition. Risk evaluation is defined by the Business Dictionary as: “Determination of risk management priorities through establishment of qualitative and/or quantitative relationships between benefits and associated risks.”.

Underground engineering geological safety dynamic risk assessment method based on multi-source data fusion

The invention discloses an underground engineering geological safety dynamic risk assessment method based on multi-source data fusion, which relates to the technical field of risk assessment, and comprises the following steps: collecting multi-source heterogeneous data related to underground engineering, extracting implicit information, modeling underground engineering geological safety risk factors into a risk network, and establishing a risk network model; calculating the comprehensive importance of the nodes based on a Stacking integration algorithm, and identifying key risk factors; acquiring characteristic parameters of key risk factors by using spatio-temporal characteristics of implicit information, introducing a random walk mechanism to acquire a dynamic accident prediction chain, and performing learning representation by using a graph attention network to acquire probability distribution of an accident evolution path; and assessing the vulnerability of the connection edge in the risk network, establishing a dynamic risk assessment model based on the node importance and the edge vulnerability, and obtaining a dynamic risk value corresponding to the accident according to the accident occurrence probability and the risk mitigation factor. According to the invention, intelligent identification, dynamic evaluation and accurate early warning of risk factors are realized, and the accuracy and real-time performance of risk identification and evaluation are improved.
Owner:天津市地质环境监测总站

Karst tunnel risk intelligent early warning method, device and equipment based on deep learning

The invention relates to the technical field of geological risk monitoring and early warning in tunnel construction, in particular to a karst tunnel risk intelligent early warning method, device and equipment based on deep learning, and the method comprises the steps: obtaining multi-source coupling data; performing high-dimensional fusion on the processed multi-source coupling data by using a generative adversarial network, and reconstructing a high-precision three-dimensional model of the detection area; performing geological risk grade classification on the detection area to generate a corresponding risk distribution map; generating a dynamic risk evaluation index, and triggering an early warning signal when the risk level exceeds a preset threshold value; the method comprises the steps of multi-source data acquisition, data preprocessing, high-precision three-dimensional model reconstruction, risk grade classification, dynamic risk monitoring and early warning and the like, and can solve the problems of single risk detection means, insufficient evaluation precision and poor real-time performance in existing karst tunnel construction.
Owner:SICHUAN COMM SURVEYING & DESIGN INST CO LTD +4

Livestock breeding risk intelligent assessment method and system based on multi-source data fusion

The invention provides a livestock breeding risk intelligent assessment method and system based on multi-source data fusion, and the method comprises the steps: collecting livestock individual vital sign data, breeding environment parameters, management behavior data and risk-related historical data through Internet of Things equipment, and carrying out the data preprocessing to form a standardized multi-source data set; extracting risk features of individual, group and environment levels based on the data set, and fusing the risk features to form a multi-dimensional risk feature library; utilizing machine learning to construct a differentiated risk assessment model; analyzing the incidence relation between the risk factor and the actual event through the Bayesian network to calibrate the model; realizing livestock risk grade dynamic division and early warning based on the calibrated risk scoring system; and finally, generating intervention suggestions for risk quantitative evaluation, risk prevention and control decision and loss evaluation. According to the method, accurate evaluation of livestock breeding risks is realized, decision support is provided for breeding safety management, and the method has relatively high application value.
Owner:GUIZHOU YILIAN DIGITAL TECHNOLOGY CO LTD

Power distribution network operation safety risk assessment method considering typhoon and rainstorm composite disasters

The invention discloses a power distribution network operation safety risk assessment method considering typhoon and rainstorm composite disasters, and the method comprises the following steps: generating different typhoon paths as main scenes based on the typhoon and rainstorm disaster forecast data, and endowing each main scene with a weight according to the occurrence probability; the influence of microtopography and rainfall intensity on the wind speed V (r) in the main scene is considered, the corrected wind speed is calculated, the total failure probability of the distribution line between the node i and the node j is calculated according to the fault probability of the distribution line between the node i and the node j and the failure probability caused by foreign matter hanging, and the power distribution equipment failure probability is calculated according to the water accumulation amount of the power distribution network area; simulating and generating N fault scenes s through a Monte Carlo method to form a fault scene set S, and endowing each fault scene with a weight; and taking the minimum expected total load loss amount in all fault scenes as an objective function, constructing a risk assessment model, and solving the risk assessment model in combination with constraint conditions.
Owner:HUNAN UNIV

Mining area groundwater environment monitoring system and method

The invention relates to the technical field of water quality monitoring, in particular to a mining area groundwater environment monitoring system and method, and the system comprises a mining area groundwater partition recognition module, a groundwater pollution risk assessment module, a groundwater monitoring point optimization module, a groundwater pollution path analysis module and a groundwater dynamic monitoring planning module. According to the invention, through data-driven zoning and risk assessment processes, fine and dynamic management is realized in underground water environment monitoring, functional zone zoning boundaries are accurately calibrated, understanding of an underground water flowing mode is enhanced, pollution source control is more targeted, diffusion risk intensity is assessed in combination with flow velocity and pollutant release intensity, and the risk assessment accuracy is improved. The risk management strategy is optimized, the pollution diffusion range is predicted and identified more efficiently, the emergency response accuracy is improved, monitoring point arrangement is optimized through risk data, reasonable monitoring resource allocation is ensured, the sampling task weight and the time interval are dynamically adjusted, and resource optimization and monitoring efficiency improvement are achieved.
Owner:湖北煤炭地质勘查院

Power system risk assessment method and system for multiple types of extreme weather

The invention relates to the field of power grids, and particularly discloses a multi-type extreme weather oriented power system risk assessment method and device. Comprising the steps of defining risk scene elements, determining a risk scene judgment confidence value based on a threshold value under a power grid normal operation condition, constructing a full-scene comprehensive evaluation framework, establishing an extreme weather occurrence probability model, performing generation and screening by using an approximate daily search method and an approximate distance method, and obtaining a source load power probability model. A fault probability model under the influence of different factors is constructed, a series model is utilized, a comprehensive time-varying fault probability model is determined, a power grid fault state occurrence probability model is obtained, comprehensive analysis is carried out, a risk scene probability model is obtained, and a risk consequence index system is established according to a power grid system operation potential risk. And inputting the target power grid data into the risk scene probability model, and performing evaluation by using the risk consequence index system to obtain a risk evaluation result. And the disaster response capability of various aspects of a future power system can be improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV

Nursing risk assessment system and method based on multi-modal data

The invention relates to the field of medical informatization, in particular to a nursing risk assessment system and method based on multi-modal data. According to the nursing risk assessment system, data acquisition, preprocessing, multi-modal fusion, risk assessment and early warning are integrated, and comprehensive, accurate, timely and personalized nursing assessment is realized. The system collects physiological signals, nursing behaviors and environment data, the data are preprocessed and fused to generate feature vectors, a risk assessment matrix is constructed, and risk indexes are calculated. The risk early warning module sends early warning information to the nurse work station in real time, and nursing safety is ensured. Innovative technologies such as multi-modal data fusion, real-time dynamic evaluation, personalized adjustment and the like greatly improve the nursing quality, reduce the occurrence rate of adverse events, relieve the burden of medical staff and improve the utilization efficiency of medical resources. Long-term application is hopeful to significantly improve patient prognosis and reduce medical cost, and makes an important contribution to development of intelligent medical treatment and precise nursing.
Owner:南京市江宁医院

Product supply chain comprehensive optimization system and method based on big data

The invention belongs to the technical field of intelligent supply chain management and optimization, discloses a product supply chain comprehensive optimization system and method based on big data, and aims to solve the problem that a traditional supply chain management system based on historical data and a static model is difficult to quickly adapt to changes. Forming a real-time evaluation vector; integrating the environment data, constructing an environment feature vector, and training to obtain a risk prediction model in combination with a real-time evaluation vector, thereby obtaining a risk probability of each node in the future, and obtaining a risk evaluation vector; based on the risk assessment vector, in combination with the inventory level and the transportation path, performing joint optimization on the inventory configuration and the distribution path to generate an optimization strategy; updating each node of the supply chain according to the optimization strategy, monitoring the state of the updated supply chain in real time, and generating a cost prediction vector when abnormity is monitored; and taking corrective measures on the supply chain according to the cost prediction vector to ensure stable operation of the supply chain.
Owner:HUANGHUAI UNIV +1

Risk assessment method based on soil heavy metal pollution pathway analysis

The invention discloses a risk assessment method based on soil heavy metal pollution pathway analysis, and particularly relates to the technical field of land risk assessment. Heavy metal pollutant data and geographical location information of a target area are collected to generate a basic data set; constructing a heavy metal migration model based on the basic data set, and predicting a pollutant migration path and concentration change in combination with the comprehensive characteristics of the regional environment to identify a first high-risk region; a second high-risk area is identified by analyzing retention and release behaviors of pollutants in the microfractures in combination with quantitative soil microfracture connectivity characteristics and pollution migration behaviors of a dynamic entropy model; union processing is carried out on the first high-risk area and the second high-risk area to generate a comprehensive high-risk area; heavy metal concentration and land utilization changes in different time periods of the high-risk area are analyzed and synthesized through a multi-dimensional data fusion algorithm, and cumulative risk distribution is generated; and comparing the accumulated risk distribution with enterprise land use planning, evaluating potential environmental responsibility and generating a risk evaluation report.
Owner:CENT LAB OF YUNNAN GEOLOGICAL & MINERAL EXPLORATION & DEV BUREAU (KUNMING MINERAL RESOURCES SUPERVISION & TESTING CENT MINISTRY OF LAND & RESOURCES) +1

Techniques for risk evaluation of access events

A system may receive, via a cloud-based platform supporting a plurality of tenants, one or more access events from a user of a host platform associated with a tenant, the one or more access events comprising one or more keystroke events at the host platform and one or more commands inputted by the user at the host platform, wherein the one or more access events are captured by a continuous authentication agent associated with the host platform. The system may identify fraudulent access events based at least in part on executing a machine learning model to perform a pattern matching between previously authenticated browsing behavior of the user and the one or more access events at the host platform. The system may generate a challenge question for reauthenticating the user of the host platform based at least in part on identifying the at least one fraudulent access event.
Owner:SALESFORCE INC

Financial data security management system and method thereof

The invention relates to the technical field of data security, in particular to a financial data security management system and method, and the system comprises a data monitoring module, a vulnerability prediction module, a dynamic isolation module, a behavior analysis module and a security response module. According to the invention, through deep monitoring and analysis of financial data, the capability of identifying and processing abnormal operation is improved, so that the data security is enhanced, and through real-time collection of financial transaction and account behavior data and detailed analysis of fund flow frequency and account access frequency, risks are effectively identified and potential security vulnerabilities are predicted. By dynamically analyzing the association between the transaction node and the risk event, evaluating the risk level and automatically adjusting the data storage position and the access authority according to the risk evaluation, the security of the data in the transmission and storage process is remarkably improved, in addition, by monitoring the behavior mode change of the isolated account, the abnormal activity is further identified and corrected, and the safety of the data transmission and storage process is improved. And the overall safety and stability of the financial data environment are ensured.
Owner:QUANZHOU ENG VOCATIONAL & TECH COLLEGE

Method and system for searching risk enterprise ethnic group based on knowledge graph

The invention discloses a method and system for searching a risk enterprise group based on a knowledge graph, and the method comprises the steps: obtaining the related information of an enterprise industrial chain graph, carrying out the layering of hierarchical labels, selecting the related elements of the labels of the enterprise industrial chain graph according to the basic information of the enterprise industrial chain, forming an enterprise industrial chain key element knowledge base, and carrying out the searching of the risk enterprise group. Performing label keyword extraction and matching, generating an enterprise portrait and enterprise data report information, constructing an enterprise industry chain knowledge graph, performing enterprise risk evaluation according to the enterprise industry chain knowledge graph, and then performing enterprise investment attraction management strategy processing; according to the method, the business feature tag of the enterprise can be formed, and after the business feature tag is accurately matched with the industrial chain graph, the enterprise industrial chain knowledge graph is constructed, and the risk of the enterprise ethnic group is evaluated and analyzed in multiple dimensions, so that the risk evaluation of the enterprise ethnic group is more accurate, efficient and comprehensive compared with a traditional method, and the risk evaluation efficiency of the enterprise ethnic group is improved. And an enterprise investment attraction management strategy is given.
Owner:QUANTUM DIGITAL JU (JIANGSU) TECHNOLOGY CO LTD

Well-seismic integrated horizontal well geosteering risk evaluation method

The invention relates to the technical field of unconventional oil-gas exploration, and discloses a well-seismic integrated horizontal well geosteering risk evaluation method, which comprises the following steps: S1, acquiring three-dimensional seismic data, measurement while drilling data and geological logging data through a well-seismic integrated data acquisition platform; s2, constructing a horizontal well geosteering dynamic model based on multi-source heterogeneous data, and integrating a seismic inversion result and real-time drilling parameters; by establishing a well-seismic data dynamic fusion mechanism and a multi-source risk quantification model, the problem of space-time dislocation of seismic inversion and measurement-while-drilling data is solved, the recognition precision of a fault boundary, a lithologic interface and a pressure abnormal zone is ensured to be matched with drilling position changes in real time, risk misjudgment caused by model updating lag in a traditional method is eliminated, and the accuracy of the method is improved. The accuracy and timeliness of geosteering decision making of the complex structure area are improved; by monitoring well track deviation and geological model prediction deviation in real time, the risks of well wall instability and target deviation are avoided, and the operation safety of the horizontal well in the full life cycle is guaranteed.
Owner:ZHANJIANG RUIFAN PETROLEUM TECHNOLOGY CO LTD

Urban water affair situation awareness management method and system

The invention provides an urban water affair situation awareness management method and system, and relates to the technical field of urban water affair management, and the method comprises the steps: obtaining multi-source heterogeneous data; performing preprocessing, feature extraction and fusion on the multi-source heterogeneous data to obtain a comprehensive analysis feature set; inputting the comprehensive analysis feature set into a situation assessment model to determine the situation level of the urban water affair; inputting the comprehensive analysis feature set into a time sequence prediction model, and predicting to obtain a situation change trend of a future time period; based on the comprehensive analysis feature set, the situation level and the situation change trend, performing comprehensive assessment by using a preset risk assessment index system, and generating a risk assessment result; based on the situation level, the situation change trend and the risk assessment result, a preset expert knowledge base is called for matching and reasoning, and a candidate disposal strategy set is generated; and evaluating strategies in the candidate disposal strategy set, and outputting an optimal disposal strategy. According to the invention, the management level of urban water affairs is improved.
Owner:HUBEI LANGYUAN TECHNOLOGY CO LTD

Method for generating beforehand prevention and control strategy for traffic safety risk of highway network in mountainous area

The invention relates to the technical field of traffic safety, in particular to a beforehand prevention and control strategy generation method for traffic safety risks of a highway network in a mountainous area. Comprising the following steps: risk diagnosis and data preparation: collecting road basic information, historical traffic flow data, meteorological data and accident-prone point data of a mountainous area expressway network; constructing a risk assessment model: selecting road alignment, traffic flow, weather and environmental toughness indexes, determining index weights by adopting an improved analytic hierarchy process, constructing the risk assessment model through a fuzzy comprehensive evaluation method, and calculating the traffic safety risk level of each road section; a prevention and control strategy is generated; and strategy verification and iteration. According to the method, the total factor evaluation model is constructed by integrating the road network topological structure, the traffic flow characteristics and the meteorological sensitive section data, so that the problem of one-sided risk identification caused by single factor analysis in the prior art is solved, and systematic description of the mountainous area highway composite risk scene is realized.
Owner:INST OF COMM SCI YUNNAN PROV +1

Financial risk dynamic monitoring and report generation method based on multi-source data

The invention provides a financial risk dynamic monitoring and report generation method based on multi-source data, and the method comprises the steps: obtaining the multi-source data of credit default interchange, carrying out the preprocessing and feature extraction of interest difference data of different deadlines, and obtaining a deadline structure feature vector; obtaining a long and short-term interest difference curve based on long and short-term interest difference data obtained in real time, performing anomaly detection on the morphological change of the long and short-term interest difference curve, and triggering an evaluation process of a credit risk spreading effect when distortion anomaly of the interest difference curve is detected; in the risk assessment and monitoring process, market evaluation is continuously collected, information related to key credit default interchange attributes is extracted, the information serves as supplementary input of a risk conduction mechanism analysis and monitoring strategy, and a risk management strategy is dynamically optimized.
Owner:XIAMEN YUANTING INFORMATION TECH CO LTD

Credit risk dynamic assessment and early warning method based on multi-dimensional data analysis

The invention provides a credit risk dynamic assessment and early warning method based on multi-dimensional data analysis, and relates to the technical field of financial risk control and big data analysis, and the method comprises the steps: obtaining multi-dimensional data from borrower basic information, financial statements, credit records and an external market environment, carrying out cleaning, standardization processing and storage on the multi-dimensional data; based on the multi-dimensional data, through a credit scoring model, cash flow analysis, liability ratio analysis and market environment risk assessment, generating a financial risk level of the borrower; the financial and market data of the borrowers are updated in real time, the dynamic change of the risk state of the borrowers is monitored in combination with a time sequence prediction model and risk correlation analysis, and a dynamic monitoring result is generated; and according to the risk level and the dynamic monitoring result, triggering a grading early warning mechanism, and generating a corresponding control measure suggestion so as to adjust a credit strategy or adopt a risk slow release means.
Owner:ZHONGLIAN HENGCHUANG (SHANXI) TECHNOLOGY CO LTD

Deep valley long-span bridge substructure construction risk evaluation method and system combined with static and dynamic evaluation

The invention relates to a deep-valley long-span bridge substructure construction risk evaluation method and system in combination with static and dynamic evaluation. The method comprises the following steps: S1, extracting a bridge accident occurrence reason in a case library to establish a deep-valley long-span bridge substructure construction risk evaluation index system; s2, performing static assessment process division on each risk source, dividing risk levels according to coupling results, and discriminating major risk sources; s3, constructing a Bayesian network structure; s4, verifying and optimizing the structure of the Bayesian network; s5, determining a dynamic evaluation result; according to the method, the comprehensiveness and accuracy of risk identification are effectively improved, the influence of the quantity difference of different dangerous elements in different index systems on the evaluation result in a single evaluation method is reduced, and the influence of subjective judgment of experts on the result can be reduced by combining qualitative and quantitative judgment; the accuracy of an evaluation result is prevented from being reduced by a single evaluation standard; the influence degree of a risk source on an accident result is accurately reflected, and risk management and control measures are provided for safety construction of the lower structure of the deep-valley long-span bridge.
Owner:SHIJIAZHUANG TIEDAO UNIV +3

Digital content tracing system based on block chain technology

The invention discloses a digital content tracing system based on a block chain technology, and particularly relates to the technical field of block chains. The tampering risk of the digital content in the distributed storage process is evaluated by analyzing the multi-node data synchronization behavior; the transaction overstock risk judgment module evaluates the transaction overstock and local congestion hidden danger according to the transaction verification rate in the propagation process; and the reliability evaluation module judges the reliability of the digital content tracing chain in combination with the tampering risk and the local congestion hidden danger. The abnormal risk assessment module analyzes operation behavior abnormity through the intelligent contract log, and the conflict possibility assessment module detects consistency deviation of circulation records; and the potential risk assessment module synthesizes the multi-dimensional risk, generates a potential risk assessment result of the tracing chain, and determines whether to trigger an on-chain responsibility node tracing verification mechanism, so that potential hidden dangers in the tracing chain can be comprehensively identified, and an efficient and reliable solution is provided for block chain digital content tracing.
Owner:DALIAN POLYTECHNIC UNIVERSITY

Battery energy storage power station risk evaluation method based on fuzzy comprehensive evaluation

The invention discloses a battery energy storage power station risk evaluation method based on fuzzy comprehensive evaluation, which belongs to the field of battery energy storage power station safety risk evaluation, and comprises the following steps: comprehensively considering risk factors influencing the safety of a battery energy storage power station, carrying out induction and classification on the risk factors, and selecting representative index parameters; and establishing a battery energy storage power station risk evaluation index system. And determining subjective weights and objective weights of the evaluation indexes through an analytic hierarchy process and an entropy weight method according to the established evaluation indexes of the battery energy storage power station. And calculating the comprehensive weight of each evaluation index of the battery energy storage power station by combining the subjective weight and the objective weight of the evaluation index of the battery energy storage power station with a game theory. According to a fuzzy comprehensive evaluation method, a fuzzy relation matrix is established by using a trapezoidal membership function, and the safety risk evaluation level of the energy storage power station is determined according to a maximum membership principle. Guidance is provided for operation and maintenance of the battery energy storage power station, and the safety of system operation is improved.
Owner:CHINA THREE GORGES UNIV

Seismic source inversion data driven rock burst prediction method and system

The invention discloses a seismic source inversion data driven rock burst prediction method and system, and the method comprises the steps: carrying out the quantitative inversion calculation of the core parameters of a coal rock fracture seismic source mechanism through original sound wave data collected on site; a rock burst seismic source data prediction model is constructed based on an Informer algorithm, and the occurrence time and position of rock burst are accurately predicted. A rock burst risk evaluation model is constructed by combining the predicted occurrence time and position of a future fracture source and seismic source mechanism core parameters, the magnitude and property of rock burst are predicted, and a dual-drive rock burst intelligent model for seismic source data prediction and rock burst risk evaluation is established; and multi-dimensional intelligent prediction of sequential response, spatial distribution and evolution attributes in the rock burst catastrophe process is realized. According to the method, seismic source data prediction and risk evaluation are combined, the rock burst catastrophe risk can be predicted, and the rock burst evolution process and the disaster-causing mechanism can be visually represented.
Owner:CHINA UNIV OF MINING & TECH

Slag disposal site selection method, device and equipment

The invention relates to the technical field of engineering waste treatment, and particularly discloses a waste slag site selection method, device and equipment. According to the method, a low-lying area and a stable slope suitable for the waste slag field are identified by utilizing a GIS technology, and basic data are provided for preliminary site selection; through weighted analysis of multi-dimensional risk factors, the association degree of each risk factor can be displayed to the greatest extent, the overall risk level is reflected through comprehensive scores, all factors can be comprehensively considered, a more comprehensive and accurate site selection basis is provided, the scientificity and accuracy of the site selection process are ensured, and the site selection efficiency is improved. The decision-making efficiency and accuracy are improved; meanwhile, each risk factor is evaluated and predicted based on a time sequence, environment prediction and long-term risk evaluation can be dynamically carried out on the to-be-selected site of the waste slag field, the impact possibly faced by the waste slag field in the future can be effectively predicted, and the long-term safety and sustainability of the waste slag field can be ensured.
Owner:SICHUAN COMM SURVEYING & DESIGN INST CO LTD +1

Diver state monitoring method based on biofeedback

The invention belongs to the technical field of diving state monitoring, and relates to a diver state monitoring method based on biofeedback, and the method comprises the steps: aligning a sign signal with environment data through a timestamp, extracting motion features through acceleration data, constructing a motion noise model, and removing signal artifacts in real time; in the aspect of EEG signal purification, a db4 wavelet basis is adopted for carrying out wavelet packet decomposition, water pressure related frequency band characteristics are extracted, low-frequency drift is removed, meanwhile, heart rate signals are analyzed through nonlinear dynamics, a Lyapunov index is extracted to evaluate HRV changes, breathing and EEG # imgabs0 # wave coupling are analyzed through wavelet transformation, and the risk evaluation precision is further enhanced; in the aspect of environment compensation, through compensation of a depth and SpO2 relational expression and water temperature on respiratory frequency, in combination with SLTM network extraction time sequence features and a deep causal convolutional layer, risk trend prediction is performed, a diver risk level and a prediction curve are output in real time, a comprehensive risk index is finally calculated, the health state and potential risk of the diver are comprehensively evaluated, and safety is improved.
Owner:GUANGDONG OCEAN UNIVERSITY

Comprehensive identification and evaluation method for rainfall type group landslide risk areas and hidden danger points

The invention relates to the technical field of monitoring and identification, and discloses a rainfall type group landslide risk area and hidden danger point comprehensive identification and evaluation method. The method comprises the following steps: determining a landslide danger index and a disaster-bearing body vulnerability index of each calculation unit in a target area according to an updated comprehensive database; determining a risk evaluation result according to a landslide risk index of each sub-region determined by the landslide risk index and the disaster-bearing body vulnerability index, wherein the risk evaluation result comprises a landslide risk grade corresponding to each sub-region; determining a deformation area in the target area according to synthetic aperture radar data; determining a hidden danger point identification result corresponding to the deformation area, wherein the hidden danger point identification result comprises disaster hidden danger points in the deformation area and hidden danger risk levels corresponding to the disaster hidden danger points; adjusting a hidden danger point identification result according to the risk evaluation result; and adjusting a risk evaluation result according to a hidden danger point identification result and a disaster hidden danger point treatment result. According to the method, dynamic feedback and optimization of risk and hidden danger assessment can be realized, and misjudgment is reduced.
Owner:NAT INST OF NATURAL HAZARDS MINISTRY OF EMERGENCY MANAGEMENT OF CHINA +1

Intelligent operation and maintenance fault diagnosis system based on communication network

The invention discloses an intelligent operation and maintenance fault diagnosis system based on a communication network, which belongs to the technical field of communication networks and comprises a data acquisition preprocessing module, a network dynamic evolution module, a quantum auxiliary diagnosis module, a fault prediction evaluation module, a fault decision module, a fault operation and maintenance module and a fault feedback module. By integrating the data acquisition and preprocessing module, the network dynamic evolution module and the quantum auxiliary diagnosis module, the system can acquire and process the state information of a communication network in real time, and quickly position and accurately identify a fault scene in combination with the high efficiency of quantum calculation, so that the fault diagnosis time is remarkably shortened, the diagnosis accuracy is improved, and the fault diagnosis efficiency is improved. Through the fault prediction and evaluation module in combination with the results of network dynamic evolution and quantum-assisted diagnosis, prediction of a plurality of future network states can be generated, different fault scenes are simulated for evaluation, potential risks are effectively predicted, and meanwhile, through risk evaluation and sorting, operation and maintenance personnel are helped to preferentially process high-risk scenes, and the operation and maintenance efficiency is improved.
Owner:SHENNENG NORTH MANZHOULI ENERGY DEV CO LTD

Beacon and threat intelligence based APT detection

Techniques for beacon and threat intelligence based Advanced Persistent Threat (APT) detection are disclosed. In some embodiments, a system / process / computer program product for beacon and threat intelligence based APT detection includes collecting firewall log data from monitored network traffic; analyzing the firewall log data at a cloud security service to identify beacon traffic based on a plurality of heuristics; performing a risk evaluation of the beacon traffic to detect malicious beacon traffic; and performing an action in response to detecting the malicious beacon traffic.
Owner:PALO ALTO NETWORKS INC

Method and system for identifying risk of bid enclosing and bid stringing, electronic equipment and medium

The invention provides a bid invitation risk identification method and system, electronic equipment and a storage medium, and aims to solve the problems of single bid invitation form and low judgment accuracy in consideration of bid invitation risk, and the method comprises the steps: building a bidding relation matrix for bid invitation projects according to bid invitation activities, bid winners and participant information; historical bidding and tendering data is cleaned and combed, and project risk evaluation information is obtained based on the bidding relation matrix and comprises a bid rate, a bid winning rate, a quotation gap and an enterprise information consistency result; performing unsupervised learning on the project data, calculating a project risk value according to the risk evaluation information, and judging whether the project needs text analysis according to the project risk value; similarity analysis is carried out on the technical part and the price part of the bidding document for the project needing to be analyzed; and for the high-risk-value project, combining the technical part similarity and the price part similarity of the bidding file to judge whether the bidding and confusion bidding exist or not. According to the invention, the accuracy and comprehensiveness of bid enclosing and bid stringing analysis can be improved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Safety production equipment risk monitoring method and system

The invention relates to a safety production equipment risk monitoring method and system, and belongs to the technical field of risk monitoring, and the method comprises the steps: obtaining historical operation data and real-time operation data of to-be-monitored safety production equipment; setting a dynamic threshold according to the historical operation data, predicting the range of the dynamic threshold according to preset target process operation data and the historical operation data through a bidirectional long-short-term memory network, and updating the range of the dynamic threshold in combination with the real-time operation data to obtain an updated dynamic threshold; the comprehensive risk index is calculated according to the updated dynamic threshold value and the real-time operation data through the analytic hierarchy process, the risk of the safety production equipment to be monitored is evaluated according to the comprehensive risk index, an evaluation result is obtained, dynamic monitoring and evaluation of the risk of the safety production equipment are achieved, and the safety production equipment risk evaluation efficiency is improved. The actual operation state of the equipment can be reflected more accurately, potential risks can be found in time, corresponding measures can be taken, and the operation safety and reliability of the equipment are improved.
Owner:SHANDONG SAIFEITE SAFETY ENG TECH DEV CO LTD

Mold forming optimization system based on intelligent control

The invention specifically relates to the technical field of intelligent control, and discloses an intelligent control-based mold forming optimization system, which comprises a defective finished product image acquisition module, a defect intelligent identification module, a defect score quantification module, a process parameter synchronous acquisition module, a process risk dynamic analysis module and a process association closed-loop optimization module, the method comprises the following steps of: calculating a single-parameter risk index and a comprehensive risk index based on a process risk dynamic analysis module through a process parameter synchronous acquisition module in real time of full-flow process parameters of an injection molding process, identifying abnormity when the parameters deviate from an optimal target value, immediately triggering early warning, quickly positioning core cause parameters through a defect-process incidence matrix, and quickly positioning the core cause parameters through the defect-process incidence matrix. The influence of adjustment of different parameters on comprehensive defect scores is simulated within an equipment constraint range through a reverse optimization algorithm, a reverse optimization scheme is generated, a full-link traceable data link is formed through timestamps, stop loss time and production cost are greatly reduced, and accurate assessment and prediction of risks are achieved.
Owner:NANTONG RONGSHENG ELECTRIC APPLIANCE CO LTD

Underground space flood emergency rescue and dispatching command model construction method and device under rainstorm situation

The invention discloses an underground space flood emergency rescue and dispatching command model construction method and device under a rainstorm situation, belongs to the technical field of construction safety management, and solves the problem that effective landing of an emergency rescue scheme cannot be ensured in the prior art. According to the method, flood simulation under multiple scenes of different rainfall capacities is carried out based on rainstorm scene data and a cellular automaton model, flood simulation results are obtained, key risk influence factors are identified, severity evaluation is carried out, and risk grade evaluation is carried out based on an underground space disaster risk evaluation index system under the rainstorm scene. The method comprises the following steps: constructing a knowledge base, matching a target underground space emergency rescue resource list with the constructed knowledge base to obtain a first emergency task list, applying the first emergency task list to a corresponding rainfall scene, performing pre-deduction by adopting a cellular automaton model, and generating a second emergency resource list according to a pre-deduction result to obtain an emergency rescue and scheduling command decision. The method is used for underground space flood emergency rescue and dispatching command under the rainstorm situation.
Owner:INST OF COMPUTING TECH CHINA ACAD OF RAILWAY SCI +2