768 results about "Event trigger" patented technology

The invention relates to a 5G network slice dynamic scheduling method and system based on multi-modal space-time perception and an event knowledge graph, and belongs to the technical field of mobile communication network resource management. According to the method, the change of a physical scene is sensed in real time by constructing a dynamically evolved event knowledge graph and designing a double-flow space-time cross network in combination with visual semantic analysis; dynamically adjusting the resource prediction model by adopting an event-scene dual-drive mechanism, dynamically adjusting parameters of the gated recurrent neural network through an elastic adjustment factor, and optimizing a multi-target resource allocation strategy based on a reinforcement learning algorithm; a two-stage resource scheduling mode is adopted, non-preemptive resource allocation of priority guarantee is implemented in an event triggering stage, and an optimization strategy of continuous adjustment is deployed in a steady-state stage. According to the method, the resource utilization efficiency and the service quality in a high-concurrency scene are remarkably improved, the method is compatible with an O-RAN standard interface, and the method is suitable for high-reliability and low-delay communication scenes such as smart cities and industrial internet.

The invention discloses an MES work order dynamic scheduling and resource self-adaption system based on real-time event triggering, and relates to the technical field of intelligent manufacturing and industrial automation, equipment states and material events are monitored in real time through interfaces such as a PLC and an OPCUA, event types and validity are analyzed through hardware filtering, feature code recognition and double verification, and the real-time event triggering is realized. Event data, MES batch information and equipment load data are integrated to generate standardized scheduling input, a preset strategy is matched, an optimal dispatching scheme is generated through a priority algorithm, material, equipment and logistics resource allocation and dispatching operation are completed, synchronization and MES interaction ensure that page logic is consistent, full-process automation of dynamic work order scheduling is achieved, and work order scheduling efficiency is improved. The equipment state and the material event are responded in real time, the production cooperation efficiency is improved by more than 30%, the resource adaptation accuracy rate reaches 95% or above, manual intervention is reduced, and the consistency of data and MES is guaranteed.

The invention relates to the technical field of network operation and maintenance, in particular to an automatic operation and maintenance method and system based on artificial intelligence, and the method comprises the steps: collecting detailed log information containing a security event in real time through a security information and event management system configured at a target endpoint; performing cleaning, labeling and structured processing on the log data by utilizing a proxy artificial intelligence system to generate standardized metadata, and performing MITRE ATTamp with the standardized metadata; mapping the CK knowledge base, identifying technical features and behavior patterns of attacks, comparing enriched log data with an external threat intelligence source, analyzing TTP of a known attack group, generating a threat intelligence association report, generating a targeted response plan by using a large language model, generating an executable command sequence according to the response plan, and generating a threat intelligence association report; the proxy executor is connected with the server through a WebSocket protocol, executes a command in a POSIX shell environment, captures and returns an execution result, verifies the execution result, carries out necessary command optimization, records an optimized response to a vector database, and automatically matches a historical event and triggers a predefined response process through a vector retrieval mechanism. And continuous threat monitoring and adaptive response are realized. According to the method, the problem that a closed loop aiming at a terminal executor, data enrichment and historical event recall cannot be formed by security operation and maintenance in the prior art can be solved.

The invention discloses an intelligent simulation system and method based on a power distribution digital system, and relates to the technical field of power distribution network intelligent simulation. The event triggering module is used for constructing a composite triggering condition and obtaining an operation event based on the power distribution network data and the composite triggering condition; the event classification module is used for constructing an event template library and obtaining a target event type based on the running event and the event template library; the event-modeling demand mapping module is used for constructing an association rule base and obtaining a scene structure body and a modeling task package based on the association rule base and the target event type; and the modeling module is used for constructing a simulation model based on the modeling task package and the scene structure body, and obtaining an execution result based on the simulation model, so that the problem that the intelligence degree of event perception and response of the current dynamic modeling system of the power distribution network is insufficient is solved.

The invention discloses a resource collaborative awareness-based Storm flow calculation dynamic scheduling method, and provides the following technical scheme aiming at the problem that the performance of a Storm default scheduling algorithm is reduced in node abnormity, resource fluctuation and rescheduling scenes: firstly, dynamically sensing node busy, downtime and data flow fluctuation events through a real-time monitoring module; triggering a rescheduling process; secondly, constructing a resource collaborative optimization model based on historical task instance resource requirements, node performance indexes and communication overhead, and generating a task instance allocation scheme by taking minimization of inter-node communication cost as a target and combining CPU / memory dynamic threshold constraints; further, a greedy algorithm is adopted to sort high-relevance task instances, the high-relevance task instances are preferentially distributed to nodes with the optimal historical performance, and it is ensured that the node resource utilization rate does not exceed a dynamic threshold value; meanwhile, node load balancing parameters are corrected in real time through time window smoothing processing, and the remaining resource state is updated; and finally, outputting an optimized topology division result, so that the system delay after rescheduling is remarkably reduced, and the throughput is improved. According to the method, rapid recovery and stable operation of the heterogeneous cluster are realized through resource collaborative modeling, historical data driven dynamic scheduling and load balancing optimization.

The invention relates to the technical field of mechanical arms, in particular to a man-machine interaction system of an intelligent mechanical arm with a body. The system decomposes a long time sequence task into sub-tasks through a large language model, and introduces a task acquisition module, a task queue management module, a task re-planning module and a control execution module, uses visual detection to identify gestures and environment events to trigger temporary tasks, and maintains interruptible marks and safety anchor points based on priorities and interruption risks. And during interruption, the mechanical arm with the timestamp and the environment state are collected, during recovery, the states are compared, local re-planning is carried out, transition sub-tasks are automatically generated for failure sub-tasks, and the mechanical arm is controlled to execute after constraint verification. According to the system, on the premise that the structure consistency, the space consistency and the time consistency are guaranteed, safe interruption and efficient recovery in a long-time-sequence task can be achieved, and the autonomy, the real-time performance and the operation safety of the mechanical arm in a man-machine cooperation scene are remarkably improved.

The invention relates to the field of clean energy, and provides a distributed secondary control method for an island micro-grid system based on event triggering, which comprises the following steps: S1, connecting adjacent distributed units in an island micro-grid through a local communication link, and constructing a distributed control architecture to eliminate dependence on a central controller; s2, triggering communication of the local communication link based on a preset threshold value, and transmitting a secondary control signal when the system state deviation exceeds the threshold value; s3, performing cooperative calculation on the secondary control signal by using the distributed control architecture, adjusting frequency and voltage deviation, and shielding original power data; and S4, connecting a newly added distributed unit to the distributed control architecture through the local communication link, thereby reducing high communication burden and single-point fault of centralized control of the island microgrid.

The invention belongs to the technical field of computers, and discloses a resource elastic scaling method and system based on the average consistency of a multi-agent system, and the method comprises the steps: obtaining the state information of a current server, and estimating user input based on the state information and a scaling decision at the last moment; an event trigger is designed, and if the event trigger based on the edge is triggered, the server sends own state information to the neighbor and receives the state information of the neighbor; if the event trigger based on the node is triggered, the server records the state of the load observer of the server and the information of the self-adaptive variable; and forming a scaling decision according to the state information of the server at the last triggering moment, the state information of the neighbor server and the state information of the load observer, executing the scaling decision and updating the state information of the server. According to the method, on the premise that global information of communication topology is not used, the security resources of the server cluster under DSS attack are elastically expanded and contracted, and the server cannot be misguided by tampered information.

The invention discloses a power data communication network security situation prediction method, which comprises the following steps of: aiming at a hot spot multi-dimensional orientation description vector, acquiring a network security event log, adopting a time sequence event chain construction technology, and determining event triggering frequency and service interruption duration related to a hot spot through matching of event triggering frequency and event association strength, so as to predict the security situation of the hot spot. Obtaining an event chain sequence; extracting an event trigger frequency, a service interruption duration and a hotspot influence range from the event chain sequence, and judging a hotspot life cycle stage through quantification of a node load state and traffic abnormal fluctuation to obtain a life cycle quantitative index; and extracting a hot spot influence range and traffic abnormal fluctuation from the global security situation view data, and if the hot spot influence range or the traffic abnormal fluctuation exceeds a preset threshold, adjusting weight redistribution through a node load state to obtain an incremental change feature set. According to the method, the hotspot situation in the power data communication network can be comprehensively and dynamically analyzed, and powerful support is provided for network security management and decision making.

The invention discloses a spacecraft cluster robust formation control method based on a dynamic event trigger mechanism, which is applied to the technical field of spacecraft cluster formation control, and aims to solve the problem that the prior art still has certain limitations under the complex conditions of limited communication, unknown control input of a virtual leader, external disturbance and the like. The method comprises the following steps: firstly, constructing a six-degree-of-freedom attitude and orbit coupling spacecraft cluster system model influenced by external disturbance and model uncertainty; on the basis, a robust formation control scheme based on a dynamic event trigger communication mechanism is designed, and the scheme comprises three key components, the three mechanisms are respectively a self-adaptive second-order expansion system based on local discontinuous communication, a multi-spacecraft robust formation device based on neural network self-adaptive estimation and a unified dynamic event trigger communication mechanism.

An information handling system node includes a hardware processor, a memory device, a power management unit with a peripheral device node operatively coupled to the information handling system node. The hardware processor may execute computer-readable program code of a custom event and device manageability service sub-agent to discover the peripheral device node operatively coupled to the information handling system node including a unique peripheral device identification (ID), request and receive, via a unified device application programming interface module, peripheral device capabilities and event IDs, where the event IDs describe custom events that are transmittable via any bus protocol from the peripheral device node, and register for custom event notifications with the peripheral device node by sending callback messages to the peripheral device node describing which custom events to receive custom event notifications about and setting custom event triggers that trigger the custom event notifications.

The invention relates to an event trigger system based on an openGauss database. The system comprises: an event trigger definition module supporting a user to define a trigger rule of an event trigger; the trigger function execution module provides an execution environment for a function associated with the trigger and executes function logic; and the event monitoring and processing module monitors database operation events, matches corresponding event triggers according to trigger rules, and coordinates the execution sequence and error processing of correlation functions of the event triggers. According to the system, flexible trigger rule definition is supported through extension grammar, the metadata management efficiency is guaranteed by combining semantic verification and a special storage structure, the execution performance is optimized by utilizing pre-compiling and caching technologies, accurate monitoring and trigger coordination of events are realized through a kernel hook mechanism, and the reliability of the system is improved. The limitation that a traditional trigger only covers a DML event is effectively solved, the reliable management and control capability of full-type operation (DML / DDL) is provided for the openGauss database, and the safety, maintainability and application stability of the database are remarkably improved.

The invention provides a power grid operation analysis method based on a cloud platform, and relates to the technical field of power grid operation analysis, and the method comprises the steps: configuring a semantic event template library, configuring multi-source power grid operation data access and time reference synchronization, configuring an event triggering rule and an event judgment mechanism, and extracting an event fragment data set, and configuring a semantic abstract vector, executing semantic compression, generating a unique analysis task number, registering a task metadata directory, and setting a task priority and priority queue arrangement. By configuring the semantic event template library and realizing the access and time reference synchronization of the multi-source power grid operation data, the unity and timeliness of the event fragment data set can be ensured in a mass data environment, the problem of analysis errors caused by non-uniform data formats and non-uniform time sequences in the prior art is solved, and the analysis accuracy is improved. Therefore, the reliability of power grid operation state identification and analysis results is improved.

The invention relates to the technical field of network detection, and provides a dynamic event trigger fault detection method under DoS network attack, which comprises the following steps: establishing a linear state space model of a network control system; defining a non-attack interval and an attack interval of system operation, and constraining attack frequency and duration; the observer gain is switched according to the current non-attack interval or attack interval of the system; a dynamic event triggering mechanism is constructed, and the triggering condition depends on the output state and the internal dynamic variable of the full-order switching observer and is used for dynamically adjusting the data transmission frequency; establishing a closed-loop switching system model; and analyzing system index stability according to the closed-loop switching system model, and cooperatively designing observer gain, controller gain and event triggering parameters. According to the invention, through quantification of the DoS attack model, the dynamic event triggering mechanism and collaborative optimization design, the effects of effectively detecting the system fault and improving the utilization rate of the network channel are achieved.

The invention discloses a CAN message priority dynamic arbitration method and system based on event triggering, and the method comprises the steps: obtaining a discrete sampling signal of a CAN node of an engineering vehicle and a state register value of a CAN controller, converting the discrete sampling signal into a working condition data sequence, and obtaining a bus load rate through the state register value; obtaining an event state sequence according to the working condition data sequence; all CAN messages to be sent are constructed into a message data record, and the message data record with event semantics and dynamic priority labels is obtained according to the protocol data unit and the event state sequence; and according to the bus load rate and the event state sequence, sending a message data record with event semantics and dynamic priority annotations by adopting a token bucket mechanism through a three-level priority queue linked with a three-state state machine. According to the invention, the security key message in the system can still be transmitted in time under high load, and the bandwidth occupation and delay jitter caused by the low-priority message are avoided at the same time.

The invention discloses an event-driven business agent dynamic construction method and equipment, belongs to the technical field of intelligent application, and is used for solving the technical problems that the intelligent transformation cost of a traditional business system is high, and a manually constructed business agent is logically solidified and cannot quickly cope with business requirements and environment changes. The method comprises the following steps: monitoring a service event occurring in a service system, obtaining corresponding service event information and extracting upstream service context information corresponding to the service event; identifying a downstream service of the service event in the service system according to the service event and the upstream service context information, and acquiring service information of the downstream service; based on the business event information and the business information of the downstream business, constructing a business agent for executing the downstream business action, and storing the business agent to a business agent center; and when the new business event is monitored, a corresponding business agent is matched in the business agent center, so that the business agent executes a downstream business action triggered by the business event.

The invention discloses a power load prediction method, and the method comprises the steps: firstly solving an extreme event data sparsity problem through a generative adversarial network, and constructing an event time sequence library through a time sequence anomaly detection algorithm; then analyzing the causal relationship between the event and the load by applying a causal discovery algorithm, and converting prediction output into probability distribution by adopting a Bayesian neural network to quantify uncertainty; constructing a prediction model triggered by an event, and generating a multi-time scale probability prediction interval; and finally, generating a multi-scene prediction result through Monte Carlo simulation, quantifying the system recovery capability in combination with a toughness index, and integrating the system recovery capability to a decision support system to generate a risk response scheme. According to the method, the accuracy and robustness of load prediction under the extreme climate are remarkably improved, full-chain risk insight from early warning to recovery is realized, and prospective decision support is provided for safe operation of a power system.

The invention provides a component freezing recovery method based on a page life cycle interface. In the frame compiling stage, page life cycle event monitoring logic is injected into the component, a freezing and recovering event monitor is automatically registered, a large-data-volume rendering component tree is recognized, a freezing identifier is added, and butt joint of the Vue component tree and a browser freezing event is achieved. When a freezing event is triggered, dependence of a responsive memory for releasing a virtual rolling component in a background label page is ensured by pausing virtual rolling rendering, generating a component state snapshot, creating a rolling position anchor point record, removing non-visual area nodes, retaining placeholder elements and releasing responsive data binding. And after a recovery event is triggered, positioning a rolling position based on anchor point parameters, preferentially reconstructing a visual area component in stages, and recovering the responsive system, so that rolling position zero offset and state zero loss are realized when the page is recovered, and the reconstruction process has no perception delay. According to the method, manual intervention is not needed, and front-end development efficiency and performance optimization are both considered.

The invention provides a data processing method and device, electronic equipment and a storage medium, and the method comprises the steps: in response to a user interaction event triggered for a network page, screening a sub-tree matched with event attribute information of the user interaction event from a plurality of sub-trees contained in a structure tree of the network page; wherein the structure tree is used for representing a plurality of webpage sub-regions, and the sub-tree is used for representing webpage elements in the webpage sub-regions; according to the matched sub-tree, determining a webpage element to be identified in the network page; obtaining a trigger operation corresponding to the to-be-identified webpage element, and identifying the trigger operation through a first strategy to obtain a first identification result; performing content identification on the to-be-identified webpage element through a second strategy to obtain a second identification result; and under the condition that it is determined that the to-be-recognized webpage element contains the interference information according to the first recognition result and the second recognition result, shielding processing is executed. The method can improve the comprehensiveness and accuracy of identification.

The invention relates to the technical field of industrial control automation, and discloses an event-driven embedded software architecture implementation method and system, and the method comprises the steps: creating a resource object priority group, and initializing a data structure for managing a theme subscription state; allocating priorities for resource objects in the system, and registering each resource object into a priority group of the corresponding priority; subscribing the theme for the resource object, and recording subscription information in the data structure for managing the theme subscription state; in response to an event triggering condition, creating an event object containing a theme identifier, determining priority group information for subscribing the theme based on the data structure for managing the theme subscription state, and adding the event object into a queue to be processed; according to the method, each priority group is polled according to the priority sequence, the event object subscribed by each priority group is retrieved, the event processing function of the corresponding resource object is called for processing, and the framework realized through the method reduces the coupling among the modules.

The invention provides a communication module state switching method and system based on event triggering, and relates to the technical field of communication.The method comprises the steps that firstly, multi-source event source information in operation of a communication module is collected, and event influence hierarchy division is conducted; a target association network is generated by combining a current operation state and a historical state switching database of the communication module; generating a dynamic path including a hardware parameter adjustment sequence and the like based on the target association network and the historical stability record; pre-judging the stability of the dynamic path; generating a state switching execution instruction according to the pre-judgment result and generating switching process data; and finally, updating the historical state switching database and the target association network based on the switching process data to form closed-loop optimization, thereby realizing dynamic optimization of communication module state switching, and improving adaptability and stability of switching.

The invention provides a data synchronization method and system based on event triggering, and relates to the field of industrial internet. The method comprises the steps that a multi-layer distributed synchronization architecture is constructed, and the multi-layer distributed synchronization architecture comprises a routing layer deployed on a cloud side and an agent node deployed on an edge side; when it is monitored that the state data of the multiple device entity objects are changed, event identifiers corresponding to the device entity objects and updated state data are generated according to the types and identifiers of the device entity objects; performing data integrity verification on the event description data corresponding to all the equipment entity objects, and after the data integrity verification is passed, determining a target event identifier sorting result according to a preset service quality strategy and the type of each equipment entity object; and according to a target event identifier sorting result, sequentially synchronizing the updated state data of each equipment entity object from the proxy node to a routing layer. According to the invention, the data synchronization efficiency and accuracy are improved.

The embodiment of the invention provides a chip, a control method and equipment, the chip comprises an event triggering unit and a plurality of peripherals, the event triggering unit is connected with the peripherals, and to-be-executed events of the peripherals have a set execution sequence. The event triggering unit is used for receiving a state synchronization signal sent by the execution peripheral of the previous event, and the state synchronization signal is sent by the execution peripheral of the previous event after the event execution state of the execution peripheral of the previous event meets a preset condition. The event triggering unit is further used for responding to a state synchronization signal sent by the execution peripheral of the previous event and sending an event triggering signal to the execution peripheral of the later event, and the event triggering signal is used for triggering the execution peripheral of the later event to execute the later event. Through the above technical scheme, the event triggering of the peripheral can be realized based on a hardware mode, the processor does not need to participate, the real-time performance is higher, and the resource consumption of the processor is reduced.

The invention provides a distributed multi-device cooperation method and system based on event-triggered communication, and the method comprises the steps: obtaining a real-time state sensing data set of a distributed device cluster in a power system, carrying out the analysis of the device association characteristics of the real-time state sensing data set, obtaining the operation synchronization characteristics and environment interference coupling characteristics between devices, and carrying out the analysis of the operation association characteristics between the devices; and calling a pre-trained collaborative decision model to carry out collaborative degree evaluation processing on the inter-device operation synchronization characteristics and the environment interference coupling characteristics, generating a device collaborative priority sequence, determining a communication resource allocation scheme according to the device collaborative priority sequence, and executing distributed device communication control operation based on the communication resource allocation scheme. And generating a cooperative communication instruction, and issuing the instruction to the corresponding equipment to realize multi-equipment cooperative operation. According to the invention, communication conflicts or delays caused by improper resource allocation can be reduced, so that the distributed devices can operate cooperatively and efficiently under the double constraints of operation synchronism and environmental adaptability, and the overall stability of multi-device cooperation is improved.

The invention discloses an asynchronous electroencephalogram collection system and method based on an event triggering mechanism. An input end directly receives a multi-channel electroencephalogram signal, an event triggering sensing module, an input end connected with an output end of an event feature conditioning module, a high-precision time sequence marking module and an output end controlled by the event triggering sensing module. The enabling end of the asynchronous electroencephalogram signal collecting module is connected with the output end of the event triggering sensing module, and the input end of the asynchronous electroencephalogram signal collecting module receives multichannel electroencephalogram signals. According to the asynchronous electroencephalogram collection system and method based on the event triggering mechanism, design is conducted based on the natural asynchronous activity rule of the brain, non-forced synchronous collection is achieved, and the excitation and conduction sequence of the brain interval is reflected more truly; through the hardware-level event triggering unit, event response can be accurately captured in real time, and the system is far better than a traditional synchronization system.

The embodiment of the invention discloses a causal relationship tracking method, device and system and electronic equipment. The causal relationship tracking method comprises the steps that an eBPF probe mounted on a specified path of a kernel space detects a first event triggered by a first process, wherein the first event is used for creating a second process; determining whether the first process is a parent process of the second process; under the condition that the first process is not the parent process of the second process, generating a causal relationship identifier of the second process, and establishing a corresponding relationship between the process identifier of the second process and the causal relationship identifier; and under the condition that the first process is the parent process of the second process, obtaining a causal relationship identifier of the first process, and establishing a corresponding relationship between the process identifier of the second process and the causal relationship identifier.

The invention discloses an industrial network protocol integration platform realized based on JavaWeb. Comprising a protocol adaptation layer used for carrying out adaptive connection with each hardware interface, a service management layer used for carrying out configuration management and task scheduling optimization, an edge computing layer used for realizing data filtering and event triggering, and a cloud collaboration layer used for realizing big data storage and AI model reasoning prediction. The signal output end of the protocol adaptation layer is connected with the signal input end of the service management layer, the signal output end of the service management layer is connected with the signal input end of the edge computing layer, and the signal output end of the edge computing layer is connected with the signal input end of the cloud collaboration layer. Equipment instructions of different protocols are uniformly converted into a standard data format and packaged into a TCP / IP protocol for transmission, meanwhile, conversion of cross-platform protocols such as OPC UA is supported, and the multi-protocol compatibility problem of the industrial Internet of Things is solved.

The invention discloses a heterogeneous multi-agent dynamic event trigger output consistency control method and device under FDI attack and a storage medium wherein the heterogeneous multi-agent dynamic event trigger output consistency control method under FDI attack comprises the following steps: a heterogeneous multi-agent system receives FDI attack data; the FDI attack data triggers a trigger response of a dynamic event trigger mechanism introduced in a tracking state observer; self-adaptively compensating the influence of the FDI attack data on the heterogeneous multi-agent system through a self-adaptive state observer; fDI is false information injection. The invention discloses a heterogeneous multi-agent dynamic event trigger output consistency control method and device under FDI attack and a storage medium. The problem of output consistency of a heterogeneous multi-agent system under FDI attacks is solved, and a dynamic event triggering mechanism is introduced to save communication resources.

The invention provides a multi-station cooperative control method based on event triggering and look-ahead synchronization. The multi-station cooperative control method comprises the following steps: S1, defining nominal motion parameters for each station; s2, when the physical completion event of the current station is detected, calculating to obtain an accumulated time deviation up to the current station; s3, on the basis of the cumulative time deviation, executing online optimization calculation in a prediction time domain containing a plurality of stations in the future so as to determine an optimal target operation duration used for compensating the cumulative time deviation; and S4, according to the optimal target operation duration, generating and issuing a new motion curve for a first station in the prediction time domain, taking the station as a new current station, and circularly executing the steps S2 to S4. According to the method, the system can actively eliminate tiny time deviation caused by uncertainty factors such as material difference and mechanical wear, and the accumulative effect of errors is avoided.