114 results about "Backup path" patented technology

The invention relates to the technical field of electrical wiring. The invention discloses a method for generating a cable wiring path of a power distribution cabinet, and the method comprises the steps: firstly obtaining the multi-dimensional environment parameters of a to-be-wired power distribution cabinet, wherein the structural parameters comprise the three-dimensional layout in the cabinet, the positions of components and wire duct guide rails, the electrical parameters comprise the connection relation of the components, the cable specification and the like, and the physical constraint parameters are the allowable bending radius and the minimum electrical gap; constructing a digital twinborn model according to the parameters, and performing risk analysis on the model to obtain a safety risk level; and finally, a double-path scheme is generated and output in combination with the model and the grade, the first path is the optimal path of the prediction model, the second path is the standby path of the historical case, and the priority of the first scheme is higher. According to the method, the security risk is quantified in advance through multi-dimensional parameter acquisition, digital twin modeling and risk assessment. The current situation that traditional manual wiring depends on experience is changed through intelligent generation of an optimal path, reuse of a standard scheme of a standby path and real-time monitoring and early warning.

The invention relates to a key flow-based SRv6 explicit path intelligent scheduling method and system, and belongs to the technical field of communication information. The method comprises the following steps: carrying out criticality scoring through a semi-supervised-migration mixed learning model, and outputting a key stream; constructing a full-dimensional network twinborn model, pre-judging a congestion risk trend, and verifying a link path survival rate; generating a low-delay source node list through a key flow path enhancement algorithm based on the key flow and link path survival rate; analyzing the low-delay source node list to create a micro-isolation queue; when the digital twin detects that the actual state deviates from the predicted value, calling a pre-verified backup path identification chain to complete path switching in real time; and performing closed-loop optimization based on the key operation state data by using a double-channel learning model. The technical problems that in the prior art, key flow recognition precision is low, SRv6 path scheduling and network state adaptability is poor, fault switching lags behind, and core model optimization is insufficient are solved.

The invention discloses a real-time voice communication system and method based on a movement prediction and standby path mechanism, and aims to solve the problems of voice packet loss, delay and call interruption caused by frequent link interruption, large route reconstruction delay and high control overhead when an existing outdoor dynamic small-scale team performs real-time voice communication in a high-speed movement scene. The system comprises a voice sending end, a voice receiving end, a path management module and a mobile prediction module. The path management module constructs and maintains a main path tree for data transmission and a pre-generated standby path tree; the movement prediction module indirectly predicts the movement trend of the node through the change trend of the link quality, and constructs a movement prediction quality parameter through the change of the link packet loss rate, the delay and the jitter so as to dynamically optimize the structure of the path tree; when the main path is subjected to link breakage or the communication quality, such as packet loss rate, delay and jitter deterioration, is below threshold values, the system can be seamlessly switched to the standby path tree, so that the continuity and real-time performance of voice communication are guaranteed; according to the invention, the lightweight design is adopted, the control packet overhead is reduced, the method is suitable for an outdoor real-time voice communication scene with a small number of nodes, high moving speed and limited bandwidth and power consumption, and the communication robustness and the user experience are remarkably improved.

The invention discloses a cross-domain information distribution method and system for multi-link cooperative networking, and relates to the technical field of network communication, and the method applied to an information sending end comprises the following steps: obtaining a link quality prediction result of each data transmission link based on the computing power level of an information receiving end and the link quality prediction result of each data transmission link; and dynamically selecting a main transmission path and at least one backup path of cross-domain information from all data transmission links. And based on the link quality of the main transmission path, performing fragmentation processing and coding processing on the to-be-distributed data to obtain a plurality of to-be-distributed data packets. And transmitting the to-be-distributed data packet to an information receiving end through the main transmission path and the backup path, so that the information receiving end decodes and recombines the to-be-distributed data packet. According to the method, the stability, the real-time performance and the resource utilization efficiency of cross-domain information distribution for multi-link cooperative networking are effectively improved, and the transmission performance of cross-domain data transmission is remarkably improved.

The invention relates to the technical field of vehicle control, in particular to a self-adaptive response control method and system for an automatic driving longitudinal control redundant system of a heavy-duty car, and the method comprises the steps: continuously monitoring main and standby control paths of the system and states of all parts, and judging fault levels in real time, including normal, slight, moderate and serious faults. Executing a grading response strategy according to the grades: performing master control and standby hot standby verification in a normal state; when a slight fault occurs, the master control starts standby resource verification compensation; when a moderate fault occurs, a standby path is quickly switched, and the braking force is kept; when a serious fault occurs, an emergency path is activated immediately, deceleration is limited, an alarm is given, and safe deceleration of the vehicle is ensured. And recording and reporting the total event. The crossing from rigid switching to intelligent grading self-adaption is realized, and the continuity and efficiency of the system are improved while the safety is guaranteed.

The invention relates to the technical field of wireless communication networks, and particularly discloses a high-robustness PTP time synchronization method and system for a wireless Mesh network. According to the method, global topology information and real-time link quality information of a wireless Mesh network are obtained through a centralized network controller, an optimal end-to-end synchronization path is dynamically calculated for a slave clock node, an intermediate node on the path performs residence time accumulation correction in a transparent clock mode, high-precision end-to-end synchronization of a slave clock and a master clock is realized, and the synchronization precision of the slave clock and the master clock is improved. And the synchronization stability is ensured through continuous monitoring and seamless switching of a backup path. The system comprises a centralized network controller, a PTP master clock and a plurality of enhanced Mesh nodes. According to the method, the problems of poor dynamic topology adaptation, large transmission delay jitter, multi-hop error accumulation and the like of a standard PTP protocol in a wireless Mesh network are solved, the synchronization precision and robustness are remarkably improved, and a core support is provided for deterministic scheduling of a wireless TSN network.

The application discloses a quick-release type server liquid cooling circulation module and a locking structure thereof, relates to the technical field of servers, and comprises a server body, a liquid cooling circulation module and a mainboard. The liquid cooling circulation module is fixedly connected to the top of the server body. The liquid cooling circulation module is arranged. The thermal stress in the liquid cooling circulation module is subjected to layered elastic compensation. The dynamic adhesion stability and the heat conduction uniformity between the cold plate in the floating module and the CPU / GPU are improved. Meanwhile, the risk of interface loosening or leakage caused by temperature fluctuation and mechanical vibration is effectively inhibited. The long-term reliability and the thermal management efficiency of the system are enhanced while the quick-release convenience is ensured. The side branch mechanism is arranged. The circulation of liquid is realized through a multi-way valve and a side branch pipe. Even if the delivery channel of the liquid outlet pipe is cut off, there is still a minimum amount of coolant flowing through the cold plate in the floating module. The CPU / GPU is given valuable time for safe shutdown or switching to a backup path, and thermal runaway is fundamentally avoided.

Techniques for equipping mobile devices with two different types of wireless communication devices, one of which is part of a mesh network that can serve as a backup path for transmitting data to the internet. The mobile devices, such as mobile carts, can dynamically switch to the mesh network if Wi-Fi connectivity fails or becomes weak. This dual-network approach improves data transmission reliability, reduces dependence on a single network type, and ensures continuous operation, which can be important in certain environments, such as healthcare settings.

The application discloses a kind of three-dimensional visual comprehensive escape path planning method and system based on Dijkstra algorithm, comprising: abstracting building three-dimensional model as the three-dimensional space topology graph containing node and edge;For each edge in topological graph, the dynamic comprehensive path weight model is constructed by combining channel geometric length, estimated travel time, environment risk level and channel passable state;When receiving environmental state change information, the path weight of the affected edge is dynamically updated;Using Dijkstra algorithm, the optimal escape path from at least one evacuation starting point to at least one exit node is calculated on the updated topological graph, and a backup path is generated;Finally, the path result is mapped to the three-dimensional model for visual display and output to the entity path indicating device.The application solves the problem of single path planning model in the prior art, lag response to environmental changes and insufficient use of three-dimensional information, and realizes dynamic, safe and intuitive intelligent evacuation guidance.

The application discloses a kind of data disaster recovery methods of supporting multiple backup path switching, comprising, based on the sensitivity of input data and the generation of dynamic granularity data slice of storage medium characteristics, and generate the metadata label containing data slice identification, storage preference and recovery priority;Path quality atlas is generated for each data slice by constructing heterogeneous transmission path performance model through metadata label, and optimal transmission path is allocated, and path performance is monitored;Abnormality is detected and migrated slice by the standard deviation of cumulative transmission delay;Incremental integrity verification and Merkle proof of blockchain storage are used for parallel checking, and retransmission is preferentially checked failed slice;The application ensures the reliability and stability of data disaster recovery through the synergistic cooperation of dynamic data slicing, backup path optimization and recovery verification, to meet the real business needs.

The invention relates to a communication network (10) for a motor vehicle (14), comprising at least two parallel communication paths (24, 26), in particular a main path and a backup path, which are designed to provide redundant data transmission in the communication network (10), the communication network (10) having a communication layer (16) and an encryption layer (20), the communication layer has at least one communication processor (18) for organizing data transmission, and the encryption layer has at least one encryption processor (22) for cryptographically protecting data to be transmitted. The at least one encryption processor (22) is designed to cryptographically protect data to be transmitted along the parallel communication paths (24, 26) by applying at least two different encryption algorithms from one another.

The application discloses a kind of security transmission and access method for hydropower station data, it is related to the security transmission and access field of hydropower station data, comprising: the application is by analyzing the service type of hydropower station data and equipment control level, dynamically add high, medium, low security level label, and according to security level label for hydropower station data preselect corresponding transmission path;Real-time acquisition quality index, when monitoring any quality index exception of transmission path, after generating path quality degradation event, priority ranking and screening are carried out to standby path, and data stream switching is carried out using multi-protocol label switching technology;By establishing user access frequency baseline, and real-time monitoring its access behavior to high security level data, dynamically implement access permission downgrade or additional authentication requirement, realize the real-time requirement of hydropower station data transmission, and the dynamic risk management of access control, effectively improve the real-time of hydropower station data whole process.

This application relates to a method and system for intelligent routing decision-making in ad hoc networks based on a lightweight large model. The method includes: generating a request message containing a service description and ad hoc network environment context according to a service semantic description protocol, and passing it to a semantic parsing layer; firstly, querying the semantic cache; if a match is found, directly obtaining the transmission demand vector; if not, fusing information to construct a prompt word, inputting it into a lightweight large model for inference to generate a transmission demand vector containing general and ad hoc network-specific dimensions; mapping this vector to routing evaluation weights, and applying an environmental modulation factor to dynamically adjust normalization; scoring candidate paths based on the final weights for multiple objectives, selecting primary and backup paths, forwarding data and monitoring the health of the primary path, switching to the backup path in case of an anomaly. This method enables automatic conversion from service semantics to routing decisions, adaptive multi-objective weighted routing selection, and real-time deployment under the computing power constraints of ad hoc networks.

The invention discloses a method and a device for guiding and optimizing data traffic across virtual network domains. The method comprises the following steps: edge gateway equipment of a first communication branch receives data traffic sent from the first communication branch to a second communication branch; according to the invention, through the architecture of combining centralized strategy control and distributed data forwarding, the single-point fault risk in the traditional scheme is eliminated. The data transmission path is directly established between the edge gateway devices, the performance bottleneck caused by the fact that data flow passes through a single agent node is avoided, when any transmission path breaks down, the system can be automatically switched to the standby path within millisecond time, and the reliability and continuity of enterprise cross-branch network communication are remarkably improved.

The invention discloses a data file backup management method and a related device, and relates to the technical field of data processing, the method comprises the following steps: identifying sensitive information of an original data stream based on data timeliness characteristics and context information, and determining a sensitive label of the sensitive information; embedding a sensitive label into the generated data file based on an invisible method; reading sensitive label analysis information of the file to determine the security level of the file, and determining an initial encryption strategy based on the security level; adjusting the initial encryption strategy based on the current state data and the performance baseline of the system so as to encrypt the data file; performing integrity verification on the data file to determine a plurality of copy files, and storing the file to a corresponding backup path based on the security level; and monitoring a synchronization state and a health state of each stored copy file so as to perform integrity verification, copy repair and sensitive tag reembedding. According to the invention, differentiated security backup strategies are intelligently adopted, and the security and reliability of data backup are improved.

The application discloses a satellite on-orbit autonomous task planning method and system, relates to the technical field of satellite on-orbit autonomous task planning, and significantly improves the anti-interference capability of a satellite in an ionosphere abnormal area through task coding of a directed acyclic graph, a lightweight state snapshot and a dynamic recovery mechanism; a redundant backup path of the DAG structure supports local abnormal jumping of a task sequence and reduces the interruption rate; compressed fingerprint data and majority voting rollback reduce recovery time consumption and avoid response delay caused by full-state reconstruction in a traditional scheme; and dynamic weight adjustment optimizes backup path selection logic and enhances the self-healing capability of the system.

The application discloses a resource scheduling method, an electronic device, a medium and a product, relates to the technical field of AI intelligent computing, and comprises the following steps: a host obtains the bandwidth utilization rate of a main switching device in a plurality of switching devices; if the bandwidth utilization rate of the main switching device is greater than a first preset utilization rate, a first cyclic query strategy is used to query whether a standby switching device that meets a preset condition exists in the remaining switching devices except the main switching device in the plurality of switching devices; if not, a target switching device that meets a preset transmission condition is determined from the plurality of first switching machines; and the target switching device is used to store to-be-computed data to a shared memory pool. By introducing a multi-level heat perception, dynamic threshold adjustment, standby path switching and cross-network data unloading mechanism in the hybrid interconnection architecture of the shared memory pool, low congestion, high throughput and high resource utilization rate under large-scale AI training and reasoning tasks are realized.

The invention relates to a low-altitude public route planning method, and relates to the technical field of airspace planning, and the method comprises the steps: obtaining multi-source data information of a target area to construct a gridding three-dimensional airspace model, determining an initial route network scheme based on the gridding three-dimensional airspace model, flight demand prediction data and a network optimization algorithm, calculating the safety interval of each node of the initial air route network, setting a backup path to obtain an integrated air route planning scheme, determining a multi-scale operation rule set, carrying out simulation verification on the integrated air route planning scheme based on the multi-scale operation rule set, obtaining an operation performance index, and carrying out quantitative evaluation to obtain an evaluation result. And an adjustment scheme can be optimized based on an evaluation result, and scene adaptation is carried out. And if the evaluation reaches the standard, generating an output planning result. The technical effects of scientifically and reasonably evaluating, planning and optimizing the low-altitude air route, generating the air route network variant scheme suitable for different operation scenes, and improving the operation safety and efficiency of the low-altitude air route are achieved.

The invention discloses a heat recovery method and device of a thermal power plant, electronic equipment and a storage medium, relates to the technical field of heat recovery, integrates real-time operation parameters of the thermal power plant, power grid load and environment data, obtains working condition prediction information by means of a pre-training prediction model, dynamically optimizes operation parameters of a waste heat recovery unit, breaks the limitation of local optimization, and improves the efficiency of heat recovery. Thermal energy grade mismatching and insufficient system integration degree are avoided; meanwhile, when any waste heat recovery unit breaks down, a standby path can be switched, loads of other units can be adjusted, and the capacity of the system for coping with power grid load fluctuation and environment temperature changes is guaranteed; the technical effects that the integration degree of the waste heat recovery system is improved, heat energy grade mismatching is avoided, the system operation stability is enhanced, and the adaptability of a thermal power plant to complex working conditions and the operation economical efficiency are guaranteed are achieved.

The invention discloses a method for dispersedly generating private keys in an asymmetric algorithm, and relates to the technical field of cryptography and information security. The method comprises the following steps: acquiring entropy values of various system indexes, and extracting and expanding to obtain an initial seed; generating a complete private key based on the seed, and splitting the complete private key into a plurality of sub-private key segments by adopting threshold secret sharing; after integrity verification, the fragment registers a position and a reconstruction path by means of a virtual mapping structure, is distributed to distributed computing nodes through an encryption channel, and is confirmed and stored by a signature receipt. When a signature request arrives, a path combination meeting a threshold is selected according to a mapping structure to reconstruct a temporary private key, and verification and unrecoverable destruction are carried out in a trusted environment after completion; and if detecting that the node is abnormal, isolating and starting a standby path to replace the fragment. According to the method, integrated management of private key generation, scattered storage, dynamic reconstruction and safe destruction is realized, and the security and the anti-attack capability of an asymmetric algorithm are remarkably improved.

The invention provides LED display equipment and a display control method, and the equipment comprises a first input interface and a second input interface which are used for receiving video data from an upper computer or a pre-stage sub-display screen; the first output interface and the second output interface are used for transmitting video data to the rear-stage sub display screen; the micro-control unit is used for acquiring coordinate information and on-load information of the current sub-display screen; and the control chip is used for segmenting and intercepting the video data according to the configuration signal so as to obtain video block data matched with the coordinate information of the current sub-display screen. The sub-display screens are in cascade connection through the high-definition multimedia interface, automatic identification and transmission of position information among the sub-display screens are achieved through the UART communication function, multi-direction automatic screen connection can be achieved, and the purposes that the number of nodes of a routing path is small, and the backup path is high in reliability are achieved.

The present application relates to the field of water conservancy remote control transmission technology, specifically to a redundant transmission system of remote instructions of a water conservancy dispatching center, comprising: an instruction analysis module, an instruction processing and weighting module, a path calculation module and a decision generation module. The instruction analysis module receives remote control instructions and extracts relevant information to generate an initial instruction data set. The instruction processing and weighting module performs structured analysis on instruction semantics to form an instruction logical dependency graph, performs credibility weighting mapping on priority identification to obtain an initial transmission weight, and completes the binding of the two. The path calculation module determines the primary and backup path node sequences, calculates the path evaluation value and the redundancy value in combination with the instruction historical execution record. The decision generation module inputs multiple types of parameters into a path-instruction joint decision model to generate a transmission scheduling scheme. The present scheme realizes the joint scheduling of instruction characteristics and transmission paths, and optimizes the redundant transmission effect of remote instructions of water conservancy dispatching.

The application discloses a low-latency and high-reliability IP data transmission method for a computing power network, relates to the technical field of computing power network data transmission, and comprises the following steps: collecting network state panoramic information of a topology snapshot, link delay data, real-time packet loss rate statistics and node available computing power resources before data transmission session establishment; generating a transmission environment feature tensor through joint feature extraction; inputting the tensor into a pre-trained path quality evaluation model; outputting a plurality of candidate IP transmission path quantitative quality scores and reliability predictions; constructing a deterministic transmission scheme containing a main path, a backup path and a switching trigger condition; and generating flow table rules and strategy instructions and issuing the flow table rules and strategy instructions to corresponding path forwarding nodes. The method realizes accurate evaluation and deterministic transmission configuration of the IP transmission path of the computing power network, and guarantees low latency and high reliability of data transmission.

The invention discloses a pressure balance and distribution device and method for a multi-mechanical-arm shared negative pressure system, and relates to the technical field of mechanical arm negative pressure. The pressure balance and distribution device comprises a fault sensing module, a topology reconstruction module and a pressure compensation module; the fault sensing module collects multi-dimensional data by arranging a triple sensor array, and accurately recognizes the fault type and position after multi-parameter synchronous anomaly screening and time sequence curve feature matching; the topology reconstruction module presets a main-standby network topology, and selects a shortest path and a path with the minimum interference as an optimal standby path based on a fault position and a branch working condition when a core branch has a fault; and the pressure compensation module calculates the theoretical pressure loss of the optimal standby path, and dynamically adjusts the opening degree of the pressure regulating valve in combination with the real-time feedback of the negative pressure at the tail end of the core branch. The fault handling efficiency and the negative pressure stability are effectively improved.

The invention provides an LED display centralized control method, and relates to the field of LED display screen network optimization control, and the method comprises the steps: collecting real-time load parameters and network connectivity parameters of each LED display screen node, generating a network state matrix containing a load weight value and a connectivity coefficient, building a control path map of dynamic load balance based on the matrix, and carrying out the centralized control of the LED display screen. The optimal path from the control center to each display screen node is calculated, so that the real-time sensing and dynamic adjustment of the multi-node network state can be realized, and the load balancing capability of the system is obviously improved; meanwhile, a standby path set is generated through a predictive reconstruction mechanism and is synchronized to a related display screen, so that the adaptability of the system to the network topology change can be enhanced, and the stability and high efficiency of data transmission are ensured; besides, the intelligent scheduling mode based on the standby path set can timely complete path switching under the abnormal condition, and ensures the continuity and reliability of the display task, thereby improving the operation efficiency and service quality of the whole system.

Techniques for performing Border Gateway Protocol (BGP) backup path selection are provided. In one set of embodiments, a BGP speaker can select a best path for an Internet Protocol (IP) prefix and can determine that the best path is in a first fate shared group comprising a group of paths that are vulnerable to a common failure. The BGP speaker can then determine one or more candidate backup paths that are in a second fate shared group different from the first fate shared group (or are not in any fate shared group) and can select at least one of the one or more candidate backup paths as a backup path for the IP prefix.

The application relates to an access type OTN device network topology service path calculation method and device, belonging to the technical field of service path calculation, which comprises the following steps: calculating all paths by calculating the paths of all access type OTN devices in networking; screening all paths according to whether resources meet the availability to obtain available paths; determining a main path from the available paths; judging whether a backup path is needed according to the input parameter condition; and determining a backup path from the available paths if the judgment result is that the backup path is needed. All paths are calculated once, the available paths are screened, the main path and the backup path are automatically selected in the available paths according to the priority or necessary conditions, the overall user self-selected data priority is the highest, the main and backup paths consider the existing protection group relationship, the main and backup path networking situation ring chain state, the main and backup port different board card priority in the chain networking, the shared link risk group and other conditions jointly determine the automatically selected main and backup paths.

The invention provides a dual power supply switching control method and a battery management system, and relates to the technical field of battery management. The method is applied to a dual power supply switching control system, the system comprises a main power supply pack, an auxiliary power supply pack, a change-over switch and a communication bus, and the method comprises the following steps: controlling the main power supply pack or the auxiliary power supply pack to access a load bus through a first switching path based on a hard wire signal of the change-over switch; controlling the main power supply pack or the auxiliary power supply pack to access the load bus through a second switching path based on the interaction state information of the main power supply pack and the auxiliary power supply pack through the communication bus; wherein the second switching path is used as a redundant backup path of the first switching path. According to the invention, the dual control architecture composed of the first switching path based on the hard wire signal and the second switching path based on the state information is constructed, and the second path is used as the redundant backup of the first path, so that the single-point fault risk existing in the traditional single control path is fundamentally overcome; and the reliability and the safety of the system are obviously improved.

The invention discloses a disaster recovery redundant link optimization method and device for a smart power grid dispatching communication network, and the method comprises the steps: firstly obtaining the topology and link attributes of the dispatching communication network, mapping the time delay, rental or bandwidth and other indexes into weights, calculating a shortest main path from a source dispatching center to a target substation on an original graph, and carrying out the calculation of the shortest main path from the source dispatching center to the target substation; constructing a split residual image based on the path, and reserving a cost bit of a shared link in the split residual image; a candidate standby path with the shared link number not exceeding a threshold value is obtained through a limited shortest path algorithm, a final redundant path pair is generated in combination with the main path, the total weight of the final redundant path pair is calculated according to a union set, and the weight of the shared link is metered only once; and finally, issuing the obtained main and standby paths to electric power communication network equipment to realize rapid switching when the link fails. According to the method, the construction and operation and maintenance cost is reduced while the reliability is ensured, the resource utilization rate is improved, and good deployment feasibility and near-linear time complexity performance are achieved.