27 results about "Message delay" patented technology

The invention belongs to the technical field of vehicle control, and discloses a networked automobile CAN bus control method and system, and the method comprises the steps: analyzing multi-source data of a networked automobile, constructing a multi-level control architecture based on an analysis result, setting a condition threshold value between control levels, and employing a genetic algorithm to dynamically optimize the condition threshold value as a control threshold value; constructing a threshold prediction model by using a time sequence prediction algorithm, predicting the state and operation scene change of an electronic control unit in the networked automobile by combining the obtained historical multi-source data, and generating a control prediction threshold; and in combination with the control threshold value and the control prediction threshold value, generating a cooperative control value through a cooperative recommendation strategy, and formulating a corresponding control strategy. According to the invention, a multi-level control architecture is constructed through multi-source data analysis, a communication threshold is dynamically optimized in combination with a genetic algorithm, the CAN bus load is reduced, the communication efficiency and real-time performance are improved, key message delay is avoided, and the stability and resource utilization capability of a vehicle-mounted network are enhanced.

The invention discloses a robot control reconstruction method and system based on PLC replacement, and relates to the technical field of robot control reconstruction, and the method comprises the steps: S1, periodically collecting communication reconstruction feature data, and carrying out the preprocessing of the communication reconstruction feature data; s2, constructing a field link mapping table, performing time sequence consistency evaluation processing on the instruction fragment, and updating the field link mapping table; s3, triggering time calibration processing, triggering interval adjustment processing and state return correction processing are executed, and the field link mapping table is updated; and S4, a control chain input sequence is constructed based on the latest field link mapping table, the accessibility degree of action execution is evaluated, triggering time fine tuning or instruction fragment splitting processing is executed, and an action execution chain is generated to complete robot control reconstruction. The problem that in the prior art, field updating rhythm drifts and message delay fluctuations are overlapped in the robot control reconstruction process, and consequently instruction fragment trigger mapping and an action execution chain are prone to misalignment is solved.

Systems and methods for regulating electronic messages transmissions. A message delay system is disposed between one or more first entities and a second entity within at least one network. Electronic messages are received from among at least one the first entities and the second entity at one or more message arrival times. A message delay component applies a delay to each received electronic message, based on a predefined delay time common to all of the first entities and a first entity delay offset associated with a first entity that is associated with the received message. The first entity delay offset is based on a geographical origin of the first entity relative to a geographical origin of the second entity. Each delayed message is transmitted to a designated recipient via the network, where the designated recipient is among the second entity and the first entities.

The invention discloses a segmented transmission method based on verification message delay feedback, which belongs to the technical field of data transmission, and comprises the following steps: setting message segmentation bytes, splitting a data packet to be transmitted into message segments, configuring verification sub-messages for the message segments, and encrypting the verification sub-messages; sending the encrypted verification sub-message, synchronously starting a timer, transmitting the verification sub-message in batches in combination with batch limitation, and performing link detection to judge whether the verification transmission is overtime or not; if the verification transmission is not overtime, obtaining effective transmission delay, otherwise, performing verification retransmission based on a backoff retransmission interval; calculating an optimal sending time interval by using a particle swarm algorithm, and setting an interval updating trigger mechanism; sending the encrypted message segments in sequence based on the optimal sending time interval, judging whether the message transmission is overtime or not in combination with the state of a timer, and performing overtime supplementary transmission; after the to-be-transmitted data packet is sent, decryption is carried out, meanwhile, the session key state is monitored, and life cycle management is carried out.

The invention provides an intelligent roadside terminal security processing method and system based on multimode communication collaboration and a dynamic key chain, and relates to the technical field of intelligent traffic and network space security crossover, and the method comprises the steps: obtaining a master key based on a trusted mechanism, and carrying out the registration of a roadside terminal through the master key, distributing a unique identification roadside terminal ID and an initial key for each roadside terminal; a secure link is established through an initial key, a roadside terminal collects 3D spatial position information of the roadside terminal and an accessed vehicle and forms a 3D point set to determine the spatial association priority of the vehicle and each roadside terminal, and meanwhile, the channel quality of a communication mode is evaluated in real time to obtain an evaluation result. The key message delay is less than or equal to 30ms, the cross-terminal authentication time is less than or equal to 10ms, the key leakage risk is reduced, and the vehicle-road collaborative real-time performance and security enhancement requirements are met.

The invention belongs to the technical field of message processing, and provides a queue message backlog processing method, system and equipment based on a coroutine technology, which are used for monitoring the backlog amount of message queues in real time and dynamically increasing the number of coroutine consumers according to the backlog condition of the message queues; dividing the message queue into a plurality of partitions, and dynamically adjusting partition distribution according to the load condition of each coroutine consumer; coroutine consumers pre-fetch messages from the message queue server in batches, the number of the pre-fetched messages is dynamically adjusted according to the current backlog condition and the processing speed of the consumers, and a local cache queue is constructed at the consumer side to store the pre-fetched messages; and coroutine consumers concurrently process a plurality of messages by using a coroutine, and send receipts to the message queue in combination with an asynchronous receipt mechanism. According to the method, the problem of message backlog of the message queue is solved by utilizing a coroutine technology, and message delay is reduced and the real-time performance and the resource utilization rate of the system are improved through optimization means such as dynamic extension of the coroutine consumer pool, batch prefetching of messages and concurrent processing.

The invention discloses a method, equipment and a system for accessing equipment to a network, and relates to the technical field of wireless communication. A first data acquisition device in a wireless network acquires the signal strength and the message delay of a message signal by receiving the message signal carrying a connection request sent by a first terminal device, further determines the position information of the first terminal device, and determines the first preset area according to the relationship between the position information and the first preset area. And judging whether the first terminal equipment can access the wireless network or not, so that the external terminal equipment can be prevented from accessing the wireless network, the transmission performance of the wireless network is ensured, and the safety of the wireless network access equipment is improved.

The invention discloses a message delay analysis method for ARINC664 terminal traffic shaping. The method comprises the following steps: calculating an arrival curve of each message; adding the arrival curves of the messages to obtain a message frame stream aggregation arrival curve alpha w of all frameflowi in the sub virtual link queue; calculating a strict service curve beta < w > (t) of the sub-virtual link; and taking the maximum horizontal distance between the aggregation arrival curve and the strict service curve as the maximum delay of sub-virtual link traffic shaping, and taking the maximum value of the maximum delay of all sub-virtual link traffic shaping as the maximum delay of virtual link traffic shaping. The method can be used as a basis for deterministic analysis of the ARINC664 network.

The invention relates to the technical field of computers, in particular to a Kubernetes container vertical stretching adjustment method and device, and the method comprises the steps: collecting business data, system data and scene data; determining a message priority coefficient according to the message delay requirement, and quantizing and generating a load index according to the message priority coefficient, the request queue length and the push error rate; diagnosing a performance state according to the average push delay, the memory page change rate and the network bandwidth utilization rate; constructing a resource demand index by combining the load index, the performance state and the active connection number, and judging a resource demand state according to the resource demand index; and determining a scaling direction based on the CPU utilization rate, the memory utilization rate and the network bandwidth utilization rate, and determining a CPU adjustment amount and a memory adjustment amount in combination with the resource demand state, the scaling direction and the context switching times of the process in the container. According to the method, the utilization efficiency of cluster resources is maximized, and a higher-level intelligent solution is provided for elastic scaling of cloud native applications.

The application provides a message queue monitoring method and device, a storage medium and a computer device, which comprises the following steps: obtaining queue monitoring data of a target message queue in a preset time period; dividing the preset time period into at least one sub time period according to preset time points; calculating the average consumption speed of each sub time period and the message delay quantity of each preset time point by using the message consumption quantity and the message production quantity corresponding to each preset time point; calculating the target consumption speed of a target time point by using the average consumption speed of each sub time period; calculating the message delay time corresponding to the target time point by using the message delay quantity of the target time point and the target consumption speed; and performing delay early warning on the target message queue when the message delay time exceeds a preset time threshold. The application realizes intuitive display of the message delay time, enables a business party to monitor and early warn the message queue in a timely manner according to the delay time, and greatly improves the accuracy of monitoring and early warning.

Systems and methods for regulating electronic messages transmissions. A message delay system is disposed between one or more first entities and a second entity within at least one network. Electronic messages are received from among at least one the first entities and the second entity at one or more message arrival times. A message delay component applies a delay to each received electronic message, based on a predefined delay time common to all of the first entities and a first entity delay offset associated with a first entity that is associated with the received message. The first entity delay offset is based on a geographical origin of the first entity relative to a geographical origin of the second entity. Each delayed message is transmitted to a designated recipient via the network, where the designated recipient is among the second entity and the first entities.

This application provides a location determination method and related equipment, which can calculate more accurate message delays, thereby obtaining more accurate vehicle locations. The method includes: determining a first moment when target information is read, the target information including a second moment when a target object is detected and attribute information of the target object, wherein the target information is a message assembled according to a preset format sent by a detection device, and the target object is an object whose location is to be determined; determining a message delay based on a target clock offset, the first moment, and the second moment, wherein the target clock offset is the clock offset of a terminal device; and determining the target location of the target object at the first moment based on the message delay and the attribute information of the target object.

Systems and methods for regulating electronic messages transmissions. A message delay system is disposed between one or more first entities and a second entity within at least one network. Electronic messages are received from among at least one the first entities and the second entity at one or more message arrival times. A message delay component applies a delay to each received electronic message, based on a predefined delay time common to all of the first entities and a first entity delay offset associated with a first entity that is associated with the received message. The first entity delay offset is based on a geographical origin of the first entity relative to a geographical origin of the second entity. Each delayed message is transmitted to a designated recipient via the network, where the designated recipient is among the second entity and the first entities.

The invention provides a dynamic scheduling method and system for a multi-tenant message accumulation problem and electronic equipment, and relates to the technical field of distributed message processing, and the method comprises the steps: in response to detection of message accumulation dominated by a target tenant in a target physical partition, creating a tenant channel for consuming a target tenant message, continuously consuming other tenant messages through the preset partition channel in the physical partition; the tenant channel and the partition channel acquire messages from the same physical partition, a producer carries a tenant identifier in a message header, a consumer performs filtering according to the identifier, the tenant channel only consumes a target tenant message, and the partition channel skips the message; the tenant channels are deleted after accumulation is eliminated, and unified consumption of all tenant messages by the partition channels is recovered; according to the embodiment of the invention, interference among the tenants can be effectively isolated on the premise of not destroying the message sequence, the fairness and stability of the system are improved, and the message delay of non-problem tenants is reduced.

This invention discloses a BEV (Bird's Eye View) visual fusion method and system for intelligent inland waterway monitoring. The method includes: generating a BEV using shore-based camera calibration and inverse perspective mapping (IPM); projecting electronic chart (ENC) data onto the same plane coordinates and performing online calibration using shoreline, fixed navigation marks, and other elements as references to suppress scale deviations caused by extrinsic parameter drift and water level changes; performing time alignment and forward extrapolation based on historical changes on Automatic Identification Information (AIS) data; combining this with vessel targets detected in the BEV view; using a matching range that automatically adjusts according to the scene to achieve spatiotemporal correspondence; and performing consistency checks based on the waterway centerline and navigation boundaries; and explicitly marking and alerting targets that do not correspond or exhibit anomalies. The method and system can operate in real-time on shore, enabling unified display and reliable identification of multi-source data. It effectively reduces mismatches and missed detections under conditions of dense vessel traffic, AIS message delays, and obstruction, improving the accuracy and availability of waterway traffic monitoring. The attached figure is a schematic diagram of the method flow of this invention.

The application discloses a packet delay processing method and related device. A receiving device receives a first data packet from a sending device through a first path, the first data packet comprising a first check identifier, the first check identifier indicating a first preset delay and a first delay compensation of the first data packet, each network device on the first path corresponding to a path identifier, each path identifier respectively indicating an actual delay of a hop number on the first path; the receiving device updates the first check identifier according to the path identifier, thereby determining a check result between the first preset delay, the first delay compensation and a cumulative actual delay, the cumulative actual delay being the sum of the actual delay of each hop on the first path. In the application, the receiving device can detect whether the cumulative actual delay on the first path can meet the requirement of the first preset delay after combining the first delay compensation, thereby avoiding the data packet that does not meet the first preset delay from being discarded after reaching the receiving device.

The invention discloses a performance monitoring method, system and device for automatic driving communication management middleware, the system comprises a vehicle and a cloud, the vehicle comprises a communication management module and a product experience monitoring module, and the cloud comprises a data tool chain module; the communication management module is used for acquiring message delay original data and calculating an index value of at least one message transmission performance sampling index in each sampling period according to the message delay original data; the product experience monitoring module is used for acquiring index values of message passing performance sampling indexes, summarizing the index values of all the message passing performance sampling indexes in the current power-on period, packaging the summarized index values of the message passing performance sampling indexes into a data packet in a preset format, and uploading the data packet to the cloud; and the data tool chain module is used for receiving the data packets sent by the vehicles, and establishing or updating the middleware communication performance management data warehouse based on the data packets, so that a user can perform index query based on the middleware communication performance management data warehouse.

The application discloses a kind of unmanned cluster message forwarding time control method based on communication data security modeling, comprising: obtaining the communication data of current time of unmanned cluster and optional behavior, communication data includes standardized position matrix and communication data matrix, behavior indicates forwarding time;With the communication data of unmanned cluster and a behavior as the input of integrated model pre-constructed and trained in unmanned cluster center unmanned plane, the average waiting delay corresponding to each behavior under current communication data output by integrated model is obtained respectively, the behavior with minimum delay is selected as the forwarding time under current communication data, and the integrated model includes integrated vector generation model deployed on each unmanned plane and behavior reward prediction model deployed on center unmanned plane.The application can adapt to the dynamic change of unmanned cluster by predicting the waiting delay under different forwarding time under communication data, determine the forwarding time with minimum message delay, and reduce overall communication delay.

The invention provides a vehicle communication method and a vehicle, and belongs to the technical field of vehicle communication. By adopting the technical scheme provided by the embodiment of the invention, the first message authentication code, the first freshness value and the bus data are obtained by analyzing the obtained target data frame sent by the sending end, and then the receiving result of the target data frame is determined through the target sliding window based on the first freshness value. And determining a verification result corresponding to the target data frame based on the bus data, the first freshness value and the first message authentication code under the condition that the receiving result represents that the target data frame needs to be received. According to the vehicle-mounted safety communication method, fault tolerance of received data is provided by adopting the sliding window, the possibility of mistakenly discarding the data at the receiving end is reduced, meanwhile, processing blockage caused by message delay or network fluctuation is avoided, the data processing efficiency is improved, and the accuracy, stability and reliability of vehicle-mounted safety communication are enhanced on the premise of ensuring safety communication.

The embodiment of the invention provides a message processing method and device, electronic equipment and a storage medium, and belongs to the technical field of computers. The message processing method comprises the following steps: receiving a user message; storing the user message in a preset data structure; based on the delay time, obtaining a user message in the delay time from a preset data structure as a target message; and processing the target message. According to the embodiment of the invention, the comprehensiveness and integrity of message processing can be improved, message delay processing is facilitated, flow flood peaks are prevented, the message processing efficiency and stability are improved, and the efficiency of a system is improved.

An embodiment of the present application discloses a method and an apparatus of detecting message delay, an electronic device, and a storage medium. The method includes: obtaining a processing time period corresponding to a message in the target thread when a target thread of an application program is executed in a terminal system; performing type recognition on the message in the target thread to obtain a message type of the message; determining a message delay threshold corresponding to the message based on the message type; performing delay detection on the message based on the processing time period and the message delay threshold to obtain a delay detection result of the message.

The application discloses a method and device for realizing message delay processing based on kafka, wherein a kafka message middleware is divided into different shards in a delay consumption subject of the message middleware according to preset different delay consumption time lengths, and a corresponding consumer is created for each shard; a program message is received, the program message is sent to a corresponding shard of the delay consumption subject according to a selected time length in the program message, and the consumer corresponding to the shard sequentially consumes; and different shards are divided and corresponding consumers are created in the kafka message middleware according to preset delay consumption time lengths, so that the messages in each partition have the same delay time length, the problem that a consumer may be forced to wait for a message with the longest delay before consuming the following messages and unnecessary delay is avoided, and the message consumption efficiency is improved.

One aspect of this disclosure relates to a collision detection method. A wireless device is disclosed that can receive data packets according to a protocol such as Bluetooth and can react quickly to the reception of interfering RF packets, rather than discarding both the first RF packet and the interfering RF packet, to reduce message delays caused by collisions in high-device-density environments. When the difference in Received Signal Strength Indicator (RSSI) between the interfering RF packet and the first RF packet exceeds a threshold, the device can detect the interfering packet and resynchronize a portion of its circuitry to lock onto and receive the interfering packet. The wireless receiver can detect the interfering RF packet by detecting one or more of a specific resynchronization byte sequence, an increase in RSSI, or a phase shift. Additionally, the wireless device can add the specific resynchronization byte sequence to the RF packets of a standard protocol.

The invention relates to the technical field of data processing, and discloses an instant messaging interaction method supporting cross-platform legal services, which comprises the following steps of: performing unified format conversion on original communication data of different platforms to form a standardized message; then, on the basis of the user behavior time sequence, the continuous interaction is divided into a plurality of session segments according to a set time interval; and carrying out keyword extraction on each standardized message, and identifying a user intention category in combination with session segments and context analysis. And the optimal routing path is selected by using the delay matrix between the platforms and the message priority, so that rapid transmission is realized. Each session segment is protected through end-to-end encryption, and a key is dynamically generated by a session and is processed through secure hash, so that transmission security and privacy protection are ensured. The system also performs comprehensive scoring based on abnormal indexes such as message delay, a loss rate and a request error rate, and triggers an abnormal alarm if the abnormal indexes exceed a threshold value, thereby ensuring real-time performance, stability and security of communication.

This invention discloses a method and system for processing aviation messages. The method includes: acquiring aviation messages to be processed, as well as flight information and departure times of the corresponding flights; in response to a message volume exceeding a threshold, storing aviation messages with departure times within a first target time interval in a message delay module, and distributing aviation messages with departure times within a second target time interval to a central message queue according to flight information and departure times, wherein the urgency of aviation messages within the first target time interval is lower than that within the second target time interval; in response to a message volume less than or equal to the threshold, distributing aviation messages to corresponding central message queues according to flight information and departure times; and using the central message queues to send the aviation messages to the airport terminal corresponding to the central server. This invention solves the technical problem of low processing efficiency for aviation messages.

An alarm method, device, equipment and storage medium for business message transmission. The method includes: determining the transmission link of the business message, the first node and the second node in the transmission link; obtaining the first current delay information of the business message transmitted from the first node to the second node in the current detection period, and the first historical detection information of the business message transmitted from the first node to the second node in the historical detection period; determining the first comparison delay corresponding to the first target delay based on the first minimum delay in the first current delay information; if the first target delay and the first comparison delay meet the preset comparison requirements, determining that the delay of the business message transmitted from the first node to the second node is abnormal; based on the delay abnormality, updating the first historical detection information to obtain the first updated historical detection information; and sending an alarm message to the user based on the first updated historical detection information. The method of the present application improves the accuracy of obtaining abnormal information on business message delay.

The invention relates to the field of data processing, and provides a data interaction method, system and device, related equipment and a vehicle, and the method comprises the steps: obtaining target message data carrying a message theme through a gateway node; sending the target message data to an external node according to a routing table of the gateway node; and / or, according to the routing table of the gateway node, the target message data is sent to other gateway nodes in the same server cluster through the message bus, and the external node is used for indicating nodes which are not in the same server cluster with the gateway node. Based on this, through the server cluster, the plurality of gateway nodes connected through the message bus in the server cluster, and the routing table configured for each gateway node, in combination with the message theme carried by the message data, in a large-scale data scene, the sending and receiving of the message data can be quickly realized, the message delay is reduced, and the user experience is improved.