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247 results about "Network recovery" patented technology

Intestinal flora associated disease risk prediction system based on multi-data-set difference mutual identification

The invention relates to the technical field of medical informatics, and discloses an intestinal flora associated disease risk prediction system based on multi-data set difference mutual identification, and the system comprises the steps: capturing the dynamic evolution characteristics of a network through constructing a species-genus-phylum three-level microbial interaction network, and employing a time sequence diagram convolution network; and designing a network disturbance experiment, introducing a network recovery force index to quantify the network recovery capability, constructing a network vulnerability map to identify key nodes and analyze a disturbance propagation path, and integrating stable and consistent network toughness characteristics in multiple data sets to establish an early warning mechanism. By means of the method, early and accurate early warning of disease risks is achieved, and a key time window is provided for clinical intervention.
Owner:THE 3RD AFFILIATED HOSPITAL OF CHANGCHUN UNIVERSITY OF CHINESE MEDICINE

Network recovery method and device, computer equipment, storage medium and program product

The invention relates to the technical field of mobile communication networks, and discloses a network recovery method and device, computer equipment, a storage medium and a program product. The method comprises the following steps: acquiring a network operation parameter of a current network node; analyzing the network operation parameters, and judging whether the current network node has a network fault or not based on an analysis result; if the analysis result represents that the current network node has the network fault, determining target fault information of the network fault; determining a target recovery strategy corresponding to the target fault information according to a mapping relation between the fault information and a network recovery strategy; and performing network recovery on the current network node according to the target recovery strategy. By implementing the technical scheme of the invention, multi-dimensional real-time fault detection and intelligent automatic recovery of the network can be realized, the fault response time is remarkably shortened, the stability and service continuity of network communication are improved, and the operation and maintenance cost and the manual intervention requirement are reduced at the same time.
Owner:IPLOOK NETWORKS CO LTD

Production line scheduling method and equipment integrating edge calculation and machine learning

The invention provides a production line scheduling method and equipment fusing edge computing and machine learning, and belongs to the technical field of production line scheduling, and the method comprises the steps: deploying edge nodes in an industrial production line, and carrying out the life cycle management and control of state monitoring, task issuing, resource configuration and version management on the edge nodes by a cloud; the edge nodes collect production line data in real time; constructing a scheduling model at the cloud, and issuing the scheduling model to the edge node; outputting execution task priority judgment and path and resource optimization in combination with the scheduling model, generating a scheduling instruction, and issuing the scheduling instruction to a field control system to execute task scheduling; recording all scheduling processes and state changes, and synchronizing to the cloud after the network is recovered; according to the invention, the analysis rule and the model parameters can be adjusted according to the actual working condition and the monitoring scene of the equipment, accurate description and abnormal early warning of the operation state of the equipment are realized, and the efficiency, the accuracy and the adaptability of equipment monitoring in the industrial Internet of Things environment are effectively improved.
Owner:INSPUR YUNZHOU (SHANDONG) IND INTERNET CO LTD

Ultrasonic image offline acquisition and dynamic synchronous processing method and system

The invention discloses an ultrasonic image off-line acquisition and dynamic synchronous processing method and system, which realizes off-line acquisition and dynamic synchronous processing of an ultrasonic image under the condition of network interruption through six functional modules, namely a network state monitoring module, an online data synchronization module, an image acquisition processing module, an off-line mode switching module, an off-line diagnosis processing module and an increment synchronization module. The method comprises the following steps: acquiring network connection state data and judging a working mode; pulling and caching tasks and template data in an online state; obtaining multi-modal image data and performing double-writing storage; detecting network interruption and switching to an offline mode; performing AI analysis on the images acquired offline and generating a report; and detecting network recovery and executing incremental data synchronization. According to the invention, the problem of service interruption caused by dependence of a traditional PACS system on a network is solved, the network adaptability and robustness of the system are improved, the operation and maintenance cost is reduced, and the system fault recovery time is shortened.
Owner:GUIZHOU PRECISION HEALTH DATA CO LTD

Recovery strategy generation method and device suitable for fault repair, terminal equipment and storage medium

The invention discloses a recovery strategy generation method and device suitable for fault first-aid repair, terminal equipment and a storage medium, and constructs a first-aid repair scheduling model used for measuring fault first-aid repair efficiency and a communication recovery scheduling model used for measuring communication network recovery speed. Therefore, the first-aid repair capability of the construction team, the power supply capability of the power supply and the recovery demand of the power distribution network path can be comprehensively considered, comprehensive cooperative scheduling of first-aid repair resources such as the construction team and the mobile power supply is realized, and the utilization efficiency of the first-aid repair resources is improved. Fault repair and recovery of the communication network are fully considered, the state of the router can be adjusted in time, and a switch can operate normally, so that the situation that recovery of the power distribution network is limited due to communication problems is avoided; according to the invention, the finally generated target recovery strategy can reduce the load loss of the power distribution network to the greatest extent in the first-aid repair process, so that the power supply can be quickly recovered, and the stable operation of the power system and the normal power supply of the user are ensured.
Owner:POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD +1

Intelligent traditional Chinese medicine decoction control method based on Internet of Things and storage medium

The invention discloses an intelligent traditional Chinese medicine decoction control method based on the Internet of Things and a storage medium, and relates to the technical field of traditional Chinese medicine preparation equipment and process control. A target state vector is generated through a prediction model deployed on a terminal side, and a benchmark reference is provided for off-line control; the fine adjustment of decoction parameters is realized by controlling an increment mapping function, and the stability of the control process is ensured by a rate limitation and amplitude saturation mechanism; due to introduction of the safety boundary condition, abnormal working conditions such as pressure overrun and too low liquid level are effectively prevented; after the network is recovered, an incremental training mechanism of differential privacy protection is adopted, so that off-line data is fully utilized, and the risk of privacy disclosure is avoided; a dynamic weight distribution strategy in cloud federation aggregation ensures the leading effect of high-quality data on model optimization, and a multi-stage verification mechanism ensures the reliability of model updating.
Owner:舜甫科技集团有限公司

Real-time monitoring method and system for business expansion process of power supply enterprise

The invention relates to the technical field of power supply services, in particular to a method and system for monitoring the business expansion process of a power supply enterprise in real time. The mobile terminal collects field data, and the edge data server generates a feature sequence to be subjected to compliance comparison; and the rule fusion container fuses the rule base and the historical problem base to generate compliance data. On the basis of field standardized mapping and version abstracts, existence, applicability, consistency and validity period verification is executed on the forced / recommended attributes, and compliance, element missing or non-compliance items are output; and generating positioning information for the non-conformity items, including an informatization problem identifier of a version and a rectification suggestion, converting the positioning information into a work order with a time limit, caching the work order in a weak network, and performing reconciliation and bidirectional verification with a central server after the network is recovered. And the nodes finish event triggering compliance record uploading, and the center summarizes and archives to form process-level compliance. According to the scheme, rule upgrading controllability, evidence chain traceability and process compliance closed loop are realized, and accuracy and efficiency are improved.
Owner:SICHUAN WANHE XINDIAN TECHNOLOGY CO LTD

Internet of Things gateway device and system based on edge computing

The invention relates to the technical field of Internet of Things gateways, and discloses an Internet of Things gateway device and system based on edge computing, and the device comprises a hardware heterogeneous computing module and a multi-interface protocol adaptation module. The edge calculation local processing module is used for performing preprocessing, feature extraction and local decision on the acquired terminal data; the network redundancy and self-healing module is used for realizing accurate network disconnection detection, seamless switching of a main network and a standby network and equipment fault self-recovery through a multi-dimensional network health degree evaluation algorithm; the local autonomous storage module is used for realizing hierarchical storage of high-frequency data and network disconnection emergency data and seamless synchronization after network recovery through network disconnection data hierarchical caching and an incremental synchronization algorithm; and the cloud collaborative management module is used for realizing remote configuration, OTA upgrading and state monitoring. The method is high in integration, low in delay and fast in response, adapts to real-time scenes, saves bandwidth cost, improves cloud efficiency, is high in reliability, and realizes network disconnection and continuous operation.
Owner:ANHUI TELECOMM PLANNING & DESIGNING

NB-IoT (Narrow Band Internet of Things) network-oriented low-power data acquisition and transmission system and medium

The invention relates to the technical field of low-power-consumption data acquisition and transmission, in particular to an NB-IoT network-oriented low-power-consumption data acquisition and transmission system and a medium, and the system comprises a network initialization unit which is used for deploying a data acquisition terminal in a signal attenuation area and defaulting the data acquisition terminal as a working node after power-on; the ferry node election unit is used for acquiring the signal quality score and the residual energy score of the current battery, and calculating a comprehensive score by combining the energy consumption attenuation value; switching the terminal with the highest comprehensive score to a ferry node; the hierarchical data acquisition unit is used for awakening the working node based on a preset awakening strategy, acquiring equipment reading data, sending the equipment reading data to the ferry node, entering a transient monitoring state, and entering a deep dormant state after receiving a receiving confirmation signal of the ferry node; the network interruption data temporary storage and reissuing unit is used for compressing and storing the to-be-transmitted data when the ferry node fails in network connection in the optimal transmission time window; once the network is recovered to be available, resending transmission is performed.
Owner:ZHEJIANG YUMAI TECH

Inventory data synchronization and consistency verification system supporting network disconnection fault tolerance

The invention relates to an inventory data synchronization and consistency verification system supporting network disconnection fault tolerance, and discloses an inventory data synchronization and consistency verification system which realizes continuous recording of inventory operation during a network disconnection period through network state detection and local cache, performs batch transmission after network recovery through a synchronous uploading and verification mechanism, and ensures data integrity. According to the inventory data synchronization and consistency verification system supporting network disconnection fault tolerance, data conflicts are automatically solved through a conflict detection and strategy processing module, a difference report is generated through consistency verification, and secondary synchronization is executed, so that safe synchronization and final consistency guarantee of inventory data are achieved, and it is ensured that the service process is continuous and stable. The system is characterized by comprising a network state detection module, a local cache module, a transaction log management module, a synchronous uploading module, a conflict detection module, a conflict resolution strategy module, a consistency verification module and an abnormity alarm and manual intervention interface module.
Owner:ZHONGSHU DATA ASSET APPRAISAL (XUZHOU) CO LTD

Alarm event processing method, transmission system, processing device, medium and product

The invention discloses an alarm event processing method, a transmission system, a processing device, a medium and a product, and relates to the technical field of servers. A management controller is divided into a volatile storage area and a non-volatile storage area which belong to the management controller in advance, so that an efficient caching strategy of a mixed storage area is realized, and the loss of an alarm event when a network is interrupted is completely eradicated. And when the network is recovered, obtaining the target alarm event from the memory area, and transmitting the target alarm event to a remote server. In the process, a returned alarm event fingerprint list needs to be received, so that repeated transmission is avoided through recording of a unique fingerprint identifier. If the target alarm event does not exist in the sending queue, the target alarm event needs to be sent again, so that missing sending of the target alarm event is prevented, recovery transmission of the alarm event under the condition of network recovery is achieved, it is guaranteed that the remote server can completely receive the alarm event, and the fault diagnosis capacity of the remote server is improved.
Owner:JINAN INSPUR DATA TECH CO LTD

Network fiber breakage resistance protection planning method based on offline learning and improved MCTS

The invention relates to the technical field of intelligent optimization, in particular to a network anti-fiber-breakage protection planning method based on offline learning and improved MCTS, and the method comprises the steps: solving a preset multi-target optimization model of network anti-fiber-breakage protection planning through employing a preset multi-mode multi-target optimization algorithm, obtaining at least one optimal standby path corresponding to each service; learning a topological structure and link weight information of each optimal standby path; and when a link fault exists, dynamically searching a target recovery path of the current damaged service according to the topological structure and link weight information of at least one optimal standby path corresponding to the current damaged service in all services based on a preset improved Monte Carlo tree search algorithm, and outputting the target recovery path. Therefore, the problems of poor timeliness and low service recovery rate in the existing optical network recovery technology are solved, and the performance and efficiency of network fiber breakage resistance protection planning are effectively improved by comprehensively optimizing the shortest recovery time and the maximum service recovery rate.
Owner:WUHAN UNIV

Metering inspection platform and method

The invention discloses a metering inspection platform and method, and the method comprises the following steps: carrying out the extraction of communication parameters and function information of metering equipment, building a unified data model, distributing a unique identifier, and achieving the automatic access of different types of equipment. The platform automatically generates an adaptive inspection flow path according to equipment functions and inspection requirements, can temporarily cache and collect data when a network is abnormal in a flow execution process, and adds a timestamp and verification information to the data. And after the network is recovered, the system compares and verifies the cached data, updates the process state after ensuring the data consistency, records and archives the effective data, and generates a traceable record entry. According to the invention, the access flexibility of the metering equipment is improved, and automatic construction of a process and reliable transmission and storage of data are supported.
Owner:QINGDAO ZHENGYUAN QIANHENG TECH CO LTD

Control method and device of cancel-after-verification system and storage medium

The invention discloses a control method and device of a cancel-after-verification system and a storage medium, and belongs to the technical field of cancel-after-verification systems. The method comprises the steps that after an offline cancel-after-verification action is triggered, a cancel-after-verification task is generated based on cancel-after-verification information and first cancel-after-verification card information in a local database, the cancel-after-verification task is decomposed into at least two cancel-after-verification subtasks, time sequence information of the cancel-after-verification subtasks is constructed based on execution time corresponding to the cancel-after-verification subtasks, and after it is detected that a network is recovered, the cancel-after-verification task is executed. And based on the time sequence information, executing a replay action of the cancel-after-verification task on the cloud database so as to synchronize the first cancel-after-verification card information and second cancel-after-verification card information in the cloud database. According to the method, the verification states of the local database and the cloud database are synchronized step by step according to the original time sequence of the offline operation, so that the continuity of the verification service is ensured, the problem of state conflict or data inconsistency possibly caused by direct data coverage is avoided, and the reliability and user experience of the verification system in a complex network environment are improved.
Owner:SHENZHEN QIYUN INFORMATION TECHNOLOGY CO LTD

Office plug-in-oriented offline-online hybrid bidding document intelligent editing and auditing system

The invention belongs to the technical field of bidding business informatization, and provides an Office plug-in-oriented offline-online mixed bidding document intelligent editing and auditing system, which comprises a localized plug-in module, a bidding document editing module, a bidding document editing module, a bidding document editing module, a bidding document editing module, a bidding document editing module and a bidding document editing module, the content generation module converts the bid invitation terms into knowledge base query statements and generates a dynamic filling template; the double-model verification module carries out format and semantic double review through cooperation of a local lightweight model and a cloud large model; the offline data security module supports writing of a bidding document in an offline state, temporarily stores sensitive data in the bidding document into a local encryption sandbox, and performs data synchronization after network recovery; the version comparison module tracks a DOM node change path between bidding document versions and generates a difference report of bidding documents of different versions; through deep integration of offline operation and online collaboration and based on localized operation support of the Office plug-in, a user can edit the bidding document in real time in a network-free environment, and the method adapts to the flexibility requirement of a bidding scene.
Owner:BEIJING ZHIHAN TECHNOLOGY CO LTD

Road berth charging and control system and method for realizing multi-level fault tolerance

The invention discloses a road berth charging and control system for realizing multi-level fault tolerance and a method thereof, and belongs to the technical field of intelligent traffic systems and Internet of Things. The system adopts an edge computing and distributed sensing collaborative architecture, and is composed of an edge controller (ECU) and a sensing and control unit (SCU) deployed in a berth. High availability of the system is ensured through fault-tolerant design of three core dimensions: firstly, perception layer fault tolerance dynamically adjusts data fusion weights of geomagnetism, millimeter wave radar and visual AI according to real-time environment data such as rainfall and electromagnetic interference by integrating an environment perception sub-module; secondly, network layer fault tolerance utilizes an immutable transaction log and a Saga distributed transaction compensation mechanism to realize local charging and digital RMB double offline payment when cloud connection is interrupted, and data consistency is ensured after network recovery; and finally, a hardware layer establishes a neighborhood cooperation protocol based on a signature agent command through fault tolerance, and a healthy node is allowed to act as an agent fault node through safety verification to execute an unlocking instruction. According to the invention, the problems of environmental interference, network interruption, single-point hardware failure and the like in unattended parking management are effectively solved, and the robustness and financial security of the system are remarkably improved.
Owner:JIANGSU RUOLIN LINK TECH CO LTD

A remote operation and maintenance management system for distribution stations

The present invention discloses a remote operation and maintenance management system for a power distribution station, which relates to the technical field of power distribution station operation and maintenance, and comprises: an information module, wherein the information module comprises a data acquisition unit and a data transmission unit, wherein the data acquisition unit is used to acquire operating parameter data of the power distribution station, and the data transmission unit is used to convert the operating parameter data of the data acquisition unit into an electrical signal and transmit the signal; the specific working mode of the data transmission unit comprises: first deploying sensors and image acquisition equipment; being able to automatically cache key data when the network is unstable, and retransmit it after the network is restored to ensure data integrity; utilizing real-time monitoring and local data analysis to timely warn of anomalies and reduce safety hazards; improving the accuracy and reliability of remote control through intelligent emergency response and delay compensation mechanisms; optimizing maintenance plans through intelligent evaluation and maintenance prompts, and reducing the workload of maintenance personnel and the number of on-site maintenance times.
Owner:JIANGSU RUIMODE ELECTRIC TECH CO LTD

Train multimode wireless access terminal and multipath data transmission scheduling method

The invention discloses a train multi-mode wireless access terminal and a multi-path data transmission scheduling method. The train multi-mode wireless access terminal integrates multi-system communication modules such as LTE-M, Wi-Fi, 5G, GSM-R and the like, configures various priorities for data through the main control unit, allocates default and standby bearer networks, and dynamically monitors network connection quality parameters to judge transmissibility, trigger switching logic and regulate and control QoS (Quality of Service) levels. The multi-path data transmission scheduling method comprises the steps of configuring a data priority and a network, monitoring a network state, executing transmission control based on the priority, and switching back to transmission after a default network is recovered. According to the invention, the problems of complex deployment, low flexibility and low reliability of a wireless communication module of an existing rail transit vehicle are effectively solved, and high-reliability and flexible data transmission and interconnection and intercommunication with a railway system in a multi-network environment are realized.
Owner:SHENZHEN SED WIRELESS COMM TECH

Cache processing method and device of gateway router and network equipment

The invention relates to the technical field of network communication, and discloses a cache processing method and device of a gateway router and network device.The method comprises the steps that front-end equipment temporarily stores data in local storage after a user submits the data, the front-end equipment and the gateway router continuously temporarily store the data in the network interruption period, and when network recovery is detected, the front-end equipment and the gateway router continuously store the data in the local storage period; the data uploading logic is automatically triggered, the front-end equipment sends the temporarily stored data to the gateway router, and after the data is successfully uploaded to the server, the front-end equipment and the gateway router automatically clean the temporarily stored data; the device comprises front-end equipment, a gateway router, a server and a data cleaning module, the network equipment comprises a processor and a memory which is in communication connection with the processor, wherein a computer program which can be executed by the processor is stored in the memory. By adopting the technical scheme of dynamic bandwidth regulation and control and data transmission rate adjustment, the technical effect of optimizing the data transmission rate in real time according to the network state is achieved.
Owner:SHENZHEN SINOBRY ELECTRONICS LTD

Collaborative fault diagnosis method for primary and secondary equipment of distribution network

The invention belongs to the technical field of power distribution network fault diagnosis, and particularly relates to a power distribution network primary and secondary equipment cooperative fault diagnosis method, which comprises the following steps: constructing a bidirectional association training data set, and carrying out tetrad space-time labeling on primary and secondary equipment data; a synchronous acquisition device is adopted to synchronously acquire real-time data and preprocess the real-time data, bidirectional anomaly detection is performed, and a threshold value is dynamically adjusted in combination with distribution network topology and meteorological conditions; a bidirectional cross validation mechanism is designed, primary abnormity needs secondary state quantity matching evidence, secondary abnormity needs primary physical quantity real feature support, and accurate judgment of fault types is ensured; based on a cloud edge-end collaborative architecture, an edge node quickly isolates a fault, and a cloud digital twin model generates a whole-network recovery strategy. Through multi-source data fusion, dynamic adaptive detection and efficient collaborative decision making, the fault diagnosis accuracy and processing efficiency under complex working conditions are improved, the method is suitable for a modern power distribution network containing a high-proportion distributed power supply, and key technical support is provided for intelligent operation and maintenance of the power distribution network.
Owner:ECONOMIC TECH RES INST STATE GRID QIANGHAI ELECTRIC POWER

Method for detecting quality of wireless network based on airplay projection screen

The invention discloses a method for detecting the quality of a wireless network based on airplay screen projection. The method comprises the following steps: starting a receiving thread, wherein the receiving thread is used for receiving a tcp data stream returned from a network card; starting a heartbeat detection thread; the heartbeat detection thread is used for providing accurate timing for the system and performing network jitter algorithm operation on a timestamp of a received heartbeat packet; and judging the calculated jitter value, if the jitter value is greater than a set threshold value, reporting that the network is abnormal, and if the jitter value is smaller than the set threshold value, reporting that the network is recovered. According to the invention, through the cooperation of the receiving thread and the heartbeat detection thread, the system can monitor the state of the network in real time and timely discover network fluctuation and abnormal conditions, and when the network jitter value exceeds the set threshold value, the system can rapidly report the network abnormity. And when the network jitter value is recovered to a normal range, the system can report a network recovery state to help a user to know the network condition.
Owner:ANDROIDMOV TECH CO LTD +1

Face recognition access control terminal offline method and system

According to the face recognition access control terminal offline method and system, a VIP list, permission rules, courses and reservation data are locally stored in an access control terminal, permission verification can still be executed autonomously when the network is disconnected, and it is guaranteed that the access control function is continuously available; the server synchronizes data by adopting a timed task and real-time triggering dual mode, and the changed content is automatically and complementarily transmitted after the network is recovered during the network disconnection period, so that the consistency of the terminal strategy and the server is ensured; differential verification logics of an administrator, a teacher and a student are combined, and VIP permission, a laboratory range, a course period and appointment auditing are fused, so that the risk of misjudgment is reduced; normal passing requirements are still met during network interruption, waiting or congestion caused by network interruption is avoided, the management efficiency is improved, and different laboratory scene requirements are met.
Owner:CHENGDU TME SOFTWARE

Data acquisition interaction method of electric energy meter data terminal

The invention discloses a data acquisition interaction method of an electric energy meter data terminal. The data acquisition interaction method comprises the steps of instruction awakening and parameter initialization, dynamic sampling of environment perception, anomaly detection driven by spatial-temporal characteristics, multi-path quantum-classical hybrid encryption transmission and feedback retransmission and cache synchronization. According to the method, the sampling frequency is dynamically adjusted by fusing power load and environmental fluctuation data, a Mixer-Transform architecture is adopted to extract spatial-temporal characteristics, an abnormal threshold is updated in combination with EWMA, quantum or national secret encryption is selected according to a path quality score, fragmented parallel transmission is carried out, and hierarchical cache synchronization is carried out according to data timeliness. According to the method, the sudden change response speed is increased, the abnormal false alarm rate and the transmission packet loss rate are reduced, the data synchronization delay after network recovery is reduced, and the method is suitable for accurate acquisition and secure transmission of electric energy data in a complex environment.
Owner:TIANJIN RUIXINYUAN INTELLIGENT TECH CO LTD

Data synchronization method and device, electronic equipment and readable storage medium

The invention discloses a data synchronization method and device, electronic equipment and a readable storage medium, and the method comprises the steps: determining a network connection state between gateway equipment and a cloud server according to the network performance indexes of the gateway equipment at a plurality of moments; under the condition that the network connection state is disconnected, first operation data generated by all terminal devices connected with the gateway device are structured and stored in a classified mode; when the network connection state is recovered to connection, the priority of each terminal device is determined based on the multi-dimensional factor, and the first operation data of each terminal device and the second operation data stored in the cloud server are synchronized in sequence according to the priority, so that the integrity of the data on the terminal device during the network disconnection period is ensured, and after the network is recovered, the network connection state of the terminal device is ensured. And consistency of cloud data and local data.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1

Rescue carriage intelligent management system and method based on NIS system

The invention relates to the field of medical management systems, in particular to an intelligent rescue carriage management system and method based on an NIS (Network Information System), comprising a unique two-dimensional code or an RFID (Radio Frequency Identification) tag arranged on each rescue carriage, the tag is bound with a department exclusive drug list and management authority, and tag information is dynamically updated through the NIS to adapt to different department requirements; the low-power-consumption PDA terminal is internally provided with a near field communication module and an offline caching function, supports one-key scanning of a rescue carriage label to load a medicine list and uploads checking data to the cloud end in real time, and the PDA terminal can still execute local checking when the network is interrupted and automatically synchronize the data after the network is recovered; the low-power-consumption PDA terminal is integrated with the high-precision code scanning module, a nurse can quickly complete scanning of medicines in a whole vehicle, the system compares list data in real time and triggers sound-light alarm, the counting time is effectively shortened, the error rate is reduced, offline operation is supported, and it is ensured that data are not lost under the emergency condition.
Owner:谢道擎

Vehicle networking redundant data supplementary transmission method and system based on dynamic priority scheduling

The invention provides an Internet of Vehicles redundant data supplementary transmission method and system based on dynamic priority scheduling, and relates to the technical field of new energy vehicle Internet of Vehicles. The method comprises the following steps: acquiring multi-mode vehicle state time sequence data; analyzing the multi-modal vehicle state time sequence data through an early warning prediction model, and predicting the early warning probability of the data; determining a multi-modal data supplementary transmission priority based on the timeliness, the data volume and the early warning probability of the multi-modal data; performing hierarchical compression processing on different types of data based on the multi-modal data supplementary transmission priority to obtain compressed data; and storing the compressed data into the emergency cache region and / or the main storage region according to a preset rule, and carrying out supplementary transmission according to the supplementary transmission priority after the network is recovered. The method and the device are used in the process of complementary transmission of redundant data of the Internet of Vehicles based on dynamic priority scheduling, and solve the technical problems of high redundancy overhead and low complementary transmission efficiency of vehicle-mounted complementary transmission data in the prior art.
Owner:ANHUI ANKAI AUTOMOBILE

Cooperative recovery system and method for post-disaster electric power communication network

The invention relates to the technical field of smart power grid dispatching and communication network recovery, and provides a post-disaster power communication network collaborative recovery system and method, and the system comprises a power network model which is used for distributing power supply resources to each node with the purpose of recovering the power supply of power network nodes in a target region within the shortest time; the line repair model is used for realizing joint optimization of power network topology reconstruction and power recovery of a target area by taking the electric vehicle as a load supply and mobile repair unit and coordinating path planning and resource allocation of the electric vehicle; the electric vehicle path planning model is used for enabling the electric vehicle to quickly repair a power network within a limited time by optimizing a moving path of the electric vehicle by taking the maximum recovery of power supply of a target area as a target; the unmanned aerial vehicle deployment communication network recovery model is used for deploying the unmanned aerial vehicle as a temporary air base station while recovering power supply of base station nodes by taking recovery of a communication network in the shortest time as a target and combining cooperative work of the electric vehicle and the unmanned aerial vehicle; the optimal scheme solving unit is provided with a layered multi-objective optimization problem which takes maximization of the total duration of power communication coverage as an objective function under the condition of minimizing the recovery time of the power communication network, and is used for solving the layered multi-objective optimization problem in real time under the constraint of the model to obtain a real-time optimal scheme of power communication network recovery.
Owner:GUANGDONG UNIV OF TECH

Urban rail transit network toughness evaluation method considering passenger flow dynamics

The invention discloses an urban rail transit network toughness evaluation method considering passenger flow dynamics, and relates to the technical field of urban rail transit network evaluation. Comprising the following steps: modeling an urban rail transit network by using a complex network theory; calculating traffic demands among stations in the urban rail transit network to obtain passenger flow demand data; passenger flow distribution is obtained by adopting a user balance model according to passenger flow demand data from a starting place to a destination among the nodes; establishing an urban rail transit network cascade failure model considering station overload; establishing an urban rail transit network recovery model considering passenger flow redistribution and station state recovery; through three indexes of nodes, lines and topology, the recovery capability of the urban rail transit network is quantified, and the toughness of the urban rail transit network is evaluated. According to the method, the performance evaluation indexes are constructed from the three aspects of nodes, lines and topology, and the changes of the operation performance of the urban rail transit network in all aspects can be comprehensively grasped.
Owner:BEIJING POLYTECHNIC

Vehicle network connection method and device, computer equipment and storage medium

The invention relates to the field of vehicle intelligent networking, in particular to a vehicle network connection method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a communication condition between a vehicle and a base station; analyzing whether the communication condition meets a network switching condition; if the network switching condition is met, the vehicle is controlled to be connected to a mobile network of a target terminal, the network state of the vehicle is detected, and the target terminal is the mobile terminal associated with the vehicle; and if the network state is an abnormal state, corresponding network recovery operation is executed based on the network deployment condition of the environment where the vehicle is located. According to the embodiment of the invention, omnibearing network connection is realized for the vehicle network by using the mobile network of the target terminal and the network deployment condition of the environment where the vehicle is located, so that the vehicle can normally perform various recreational activities even in an area with poor network signals, the smoothness of the mobile network is ensured, and the vehicle use experience of a user is improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Network switching method, terminal equipment and computer readable storage medium

The invention provides a network switching method, terminal equipment and a computer readable storage medium. The method and the device relate to the technical field of communication and are used for solving the problem that terminal equipment cannot recover connection with a high-standard network for a long time. The method comprises the following steps: when the terminal equipment is in a first network coverage area but does not reside in a first communication network, judging whether the terminal equipment currently reside in a second communication network, and if the terminal equipment does not reside in the second communication network, initiating frequency point search for the second communication network. Based on the method, the terminal equipment can be ensured to quickly recover the connection with the high-standard network.
Owner:HONOR DEVICE CO LTD