20results about How to "Timely transmission" patented technology

The invention discloses a wireless network data reliability transmission system, which is used in the technical field of data transmission and comprises a slave gateway deployment and data aggregation module. A scheduling protocol and priority management module; a hierarchical caching and breakpoint resuming module; and a trend prediction optimization decision module. According to the invention, in combination with priority-based scheduling, link quality evaluation, data caching and retransmission mechanisms, reliable transmission of data with different priorities in a wireless network can be ensured, and normal transmission can be recovered through an efficient data recovery mechanism when the network is unstable; through real-time environment state estimation and prediction, communication parameters and resource scheduling can be dynamically optimized, network performance is effectively improved, and communication delay is reduced. The hidden state of a communication environment is estimated in real time through comprehensive analysis of link quality, event records and cache state data, future hidden state changes are predicted through a time sequence convolutional network, and potential performance degradation risks are recognized in advance.

This disclosure relates to the field of communication technology, and in particular to a method, apparatus, and storage medium for transmitting MBMS service data. The method is used in a user equipment (UE) and includes: during a pre-configured MBMS service period, if the UE's current first BWP is not a second BWP supporting the MBMS service data, then switching the first BWP to the second BWP; listening to the PDCCH on the second BWP; and receiving the MBMS service data according to scheduling information on the listened PDCCH. This disclosure, by automatically switching the UE's current first BWP to the second BWP required for receiving the MBMS service data, avoids the need for access network equipment scheduling control to switch BWPs in related technologies, thus ensuring timely transmission of MBMS service data.

This invention provides a stable transmission method, system, and medium for high-concurrency industrial data streams, relating to the field of data transmission technology. The method includes: dynamically grouping industrial field devices to obtain multiple groups of edge autonomous devices, constructing multiple local self-organizing cell network topologies; forming a globally optimized topology based on inter-group logical coupling relationships; performing distributed collaborative verification to obtain multiple valid data streams; performing cross-cell network data association verification to obtain W verified compliant data packets; after time-series packet encoding, reassembling them into an asynchronous transmission channel sequence according to deterministic transmission delay requirements, transmitting them to a central computing platform, and then performing time-series packet decoding, restoration, and storage. This invention solves the technical problem in existing technologies where industrial data transmission typically employs a centralized architecture, which easily creates bottlenecks in the data transmission path, leading to increased data transmission latency or even data loss, thereby reducing the overall system's response speed and security.

This invention relates to a method for fault communication and handling in an in-vehicle network using automotive Ethernet, wherein the in-vehicle network includes multiple network nodes interconnected in a network structure. The method includes the following steps: detecting a critical event at one of the network nodes of the in-vehicle network, wherein the critical event is detected by a network node affected by the critical event or by a network node connected to the network node affected by the critical event; generating a critical event message at the physical layer and / or data link layer of the network node that detected the critical event; broadcasting the critical event message to multiple network nodes of the in-vehicle network; and receiving and processing the critical event message at the physical layer and / or data link layer of the automotive Ethernet at other network nodes of the in-vehicle network.

The application relates to the field of elevator anti-falling devices, and particularly discloses an elevator anti-falling device performance detection system, which comprises an adapter and an anti-falling device body, the top of the anti-falling device body is provided with the detachable adapter, the output end of the adapter is electrically connected with the input end of the locking mechanism of the elevator, the top of the adapter is provided with a first speed sensor, the inside of the anti-falling device body is provided with a second speed sensor, and the output ends of the second speed sensor and the first speed sensor are electrically connected with the input end of the adapter. The end of the anti-falling device body is connected with the mounting flange through the connecting seat, the mounting flange facilitates the mounting and dismounting of the anti-falling device body, the inside of the anti-falling device body is provided with the mounting seat, the one end of the mounting seat is provided with the lock cap, the lock cap facilitates the locking and fixing of the mounting seat, and the second speed sensor is conveniently mounted through the mounting seat.

The invention relates to the technical field of generator excitation simulation, and discloses an RT-LAB-based generator excitation small signal semi-physical simulation method and detection system, and the simulation method comprises the following steps: building a single machine infinite bus simulation system and a generator excitation system model in RT-LAB software; a semi-physical simulation platform loaded with RT-LAB software is electrically connected with the AVR excitation regulator through a conversion card; based on the generator excitation system model established in RT-LAB software, determining the optimal working parameters of the PSS of the AVR excitation regulator; and based on the optimal working parameters of the PSS of the AVR excitation regulator, adjusting the control parameters of the single-machine infinite-bus simulation system and the generator excitation system model so as to evaluate the response performance of the AVR to various generator faults. According to the method, a small signal model is built through RT-LAB, and the test accuracy is ensured by utilizing the real-time capability of the step length of 15 microseconds.

The invention relates to the technical field of disconnecting switch monitoring, in particular to a disconnecting switch intelligent monitoring system which comprises a data acquisition unit, a data transceiving unit, a data collection unit, a data transmission unit and a data processing unit. The data acquisition unit is used for acquiring multi-source sensing data reflecting the operating state of the isolating switch; the data transceiving unit is connected with the data acquisition unit and is used for receiving the multi-source sensing data and carrying out primary processing on the multi-source sensing data; the data collection unit is connected with the data receiving and transmitting unit and is used for receiving and collecting the data from the data receiving and transmitting unit and storing the data; the data transmission unit is connected with the data collection unit and is used for remotely transmitting the collected data to a rear end; and the data processing unit is connected with the data transmission unit and is used for analyzing the received data so as to evaluate the operation state of the disconnecting switch and carry out fault prediction. The system can timely and accurately find the abnormity, and effectively improves the reliability and safety of a railway power supply system.

The application discloses a motion injury state early warning system based on an intelligent flexible sensing device and relates to the technical field of motion injury early warning. In order to solve the problem that motion injury cannot be judged and handled in the process of motion, the application is verified by sensitivity and effectiveness, quantitatively combines medical standards and individual baselines, assesses time according to dimensions, assigns weights and defines grade thresholds, improves risk identification accuracy and assessment standardization, matches self-checking calibration and time synchronization to guarantee data accuracy, can extract multi-dimensional injury correlation parameters and quantitatively load, motion and fatigue state, avoids single monitoring limitations, and lays a high-quality data foundation for subsequent risk analysis.

This utility model discloses an intelligent measuring trolley, relating to the field of track measurement technology, comprising: an equipment mounting plate; a protective housing fixed to the equipment mounting plate and configured as a protective structure for the measuring trolley; a battery box fixed to the equipment mounting plate inside the protective housing, the battery box being configured as a hollow structure with openings at both ends; a pull-out box slidably disposed in the battery box; a battery body stored in the pull-out box; an operation port opened on the protective housing and corresponding to one side opening of the battery box; and a pull-out assembly configured for pulling out the pull-out box. Compared with the existing methods of charging the battery of the measuring trolley, this utility model effectively improves the power replenishment efficiency of the measuring trolley, thereby ensuring the measurement efficiency of track measurement.

This invention relates to the field of medical rehabilitation technology, and in particular to a biofeedback-driven spinal dynamic stabilization device and its method of use, comprising: a stabilizer, which includes stabilization component one, stabilization component two, stabilization component three, and stabilization component four. This invention has the advantages of adapting to the patient's body shape and intelligently correcting spinal posture, with flexible length and width adjustment: the stabilizer has the function of adjustment according to the patient's body shape. By rotating the operating block, through the linkage rod, driving bevel gear, and driven bevel gear transmission, the threaded rod composed of a bidirectional threaded rod rotates, causing the threaded sleeve to drive the fixed plate, rotating plate, and moving plate to move, thereby pushing stabilization component three and stabilization component four to move in opposite directions. Combined with the sliding compensation of the fixed frame in the compensation groove, precise adaptation to the patient's lumbar length is achieved. Simultaneously, using the same adjustment method, the distance between stabilization component two and stabilization component three is adjusted through the distance adjustment component two.

This invention discloses an industrial IoT communication method and system based on adaptive channel selection. The method includes receiving channel hopping requests from one or more devices, where each request indicates a device's intention to switch its current channel to a target channel. If the target channel requested by one device is a preferred candidate idle channel, a first instruction is sent to the device. If the target channels requested by multiple devices are all preferred candidate idle channels, for the multiple devices, the first instruction is sent to the device with the highest priority, and a second instruction is sent to each of the other devices excluding the highest-priority device. This invention can dynamically optimize channel allocation, reduce congestion, and thus improve the communication performance of the industrial IoT.

The invention provides a retransmission processing method and device and a wireless link failure determination method and device, and the method comprises the steps: if a first target object triggers automatic retransmission, executing at least one of the following items: triggering first information; performing resource allocation according to a first mode; the function of the first information comprises at least one of the following items: requesting resources, reporting the data volume of a buffer area of the sending end, indicating the sending end to execute automatic retransmission, and indicating an automatic retransmission parameter of the sending end; the first mode comprises at least one of the following items: during resource allocation, using a first priority parameter for the first target object or a second target object to which the first target object belongs; when resource allocation is carried out, LCP is not applied to the first target object or a second target object to which the first target object belongs. According to the scheme, automatic retransmission and timely transmission can be ensured, and the time delay requirement of the service is ensured.

This invention discloses a surface coating modification process for fast-charging graphite anode materials, belonging to the field of surface coating modification of graphite anode materials. The process includes the following steps: Graphite pretreatment: Natural spherical graphite or artificial graphite is selected as raw material and ball-milled for 3-8 hours. An appropriate amount of dispersant can be added to prevent graphite particle agglomeration. The ball-milled graphite particles are then acid-washed using a 10%-30% hydrochloric acid or sulfuric acid solution. This invention effectively removes impurities and defects from the graphite surface and increases the specific surface area and surface active sites of the graphite particles by precisely controlling the graphite pretreatment conditions, such as appropriate ball-milling time, acid concentration, and temperature. Simultaneously, a gradient coating structure is adopted, with multiple coatings using phenolic resin ethanol solutions of different mass fractions. Combined with conductive additives such as carbon nanotubes and graphene, as well as the introduction of metal salts, a more complete conductive network is constructed.

The invention provides a large model agent-oriented adaptive routing method and system, and relates to the field of large model agents, and the method comprises the steps: obtaining the information of a to-be-processed task of a certain edge agent, and evaluating whether the capability of the edge agent for processing the to-be-processed task is greater than a prediction processing threshold value or not; the edge agent sends a resource request to an adjacent node, receives a resource state reported by the adjacent node and determines the selected adjacent node; the edge agent transmits original data of the task to the selected adjacent node; the selected adjacent node processes the received original data and extracts key information from a processing result, and the selected adjacent node transmits the key information to the central cloud node through a communication channel between the selected adjacent node and the central cloud node, so that timely transmission and processing of the key information are guaranteed, and the security of the central cloud node is improved. And the response timeliness and robustness of the distributed artificial intelligence system in a sudden high-priority task scene are improved.

This invention discloses a multi-level fusion communication scheduling method and system, relating to the field of industrial processing communication scheduling technology. It solves the technical problem in existing technologies where, for a single process, the communication needs of each stage cannot be met while avoiding resource idleness. Specifically, it employs a hierarchical progression from "overall process scheduling → specific scenario scheduling → risk and hazard scheduling," covering the communication needs of different dimensions of the industrial processing production line and forming a complete multi-level fusion scheduling system. All scheduling is based on "actual scenario parameters," avoiding the rigidity of static scheduling and achieving dynamic and precise allocation of communication resources, balancing transmission efficiency and stability. By optimizing communication scheduling, from three levels—"reducing unnecessary scheduling," "allocating resources on demand," and "avoiding risks and hazards"—it ultimately ensures the qualified operation, efficient control, and low-risk operation of the industrial production line, providing communication-level support for the overall efficiency of the production line.

The application relates to the field of hardware control and provides a device and a method for outputting basic input / output system running logs based on a virtual serial port, the device comprising: a baseboard management controller, wherein a first virtual serial port control module is arranged on the baseboard management controller and is used for receiving serial port data sent by a host through an enhanced serial peripheral interface bus; the host, wherein a first virtual serial port driving module and a second virtual serial port control module are arranged on a south bridge chip of the host, the first virtual serial port driving module is used for sending running log information to the first virtual serial port control module through the enhanced serial peripheral interface bus, and the second virtual serial port control module is used for outputting the running log information to a text file under a universal serial bus flash disk when detecting that the universal serial bus flash disk exists; and the enhanced serial peripheral interface bus is connected between the first virtual serial port control module and the first virtual serial port driving module and is used for transmitting data between the two.

The utility model provides an electrical data acquisition system based on a measurement switch. The electrical data acquisition system comprises an intelligent circuit breaker arranged on a branch box, and an intelligent measurement switch, a plurality of single-phase ammeters and a plurality of digital miniature circuit breakers which are arranged in an ammeter box, the intelligent circuit breaker is connected with a plurality of intelligent measuring switches; the intelligent measurement switch is electrically connected with the plurality of single-phase ammeters, the plurality of single-phase ammeters and the plurality of digital miniature circuit breakers are correspondingly and electrically connected, and the intelligent measurement switch is provided with an intelligent measurement module; and the plurality of intelligent measurement switches are also in wireless communication connection with the intelligent terminal. According to the utility model, a plurality of communication units are arranged, so that the data transmission requirements of different scenes and distances can be met, the data can be timely and reliably transmitted to equipment such as an intelligent circuit breaker and an intelligent terminal, and remote monitoring and centralized management are realized. Meanwhile, the ESAM encryption unit prevents leakage and tampering of user electricity consumption information and power grid key parameters, and maintains safe and stable operation of a power system and user rights and interests.

The application relates to the field of communication technology, in particular to a dangerous information early warning method and system based on a self-organizing network, a mobile terminal and a medium, the method is applied to a first mobile terminal, the first mobile terminal and a second mobile terminal have both started a NAN self-organizing network function to complete team networking, the first mobile terminal obtains a dangerous type by detecting and analyzing a dangerous instruction, acquires the dangerous type and environmental data to identify a dangerous level, determines dangerous alert area data according to the dangerous type and the level, broadcasts the data to the second mobile terminal, and makes the second mobile terminal perform early warning. With the aid of the self-organizing network technology, the dangerous information can be timely and accurately shared, the team members can know the dangerous position and the influence scope in advance, and the outdoor activity risk can be effectively reduced.

This invention relates to the field of intelligent monitoring technology, and in particular to a metering monitoring system and method based on the comparison of information from a display screen and an encoder. The system includes: an acquisition module for acquiring pulse signals generated by an encoder mounted on an oil pipeline during the process of a fuel dispenser delivering stored oil to a fuel-consuming device through the pipeline; an analysis module for comparing the actual number of pulse peaks with a preset standard number of pulse peaks, and adjusting the transmission speed of the metering data based on the comparison result; a transmission module, connected to the analysis module, for transmitting the metering data according to the transmission speed; and a display terminal, connected to the transmission module, for displaying the transmitted metering data in real time, simultaneously displaying the metering data and the metering data from the fuel dispenser's self-monitoring system to obtain a display result, and determining the fault level of the encoder based on the display result. This invention achieves timely transmission of metering data.

The invention belongs to the technical field of underwater launching, and particularly relates to an underwater vehicle cross-domain signal acquisition device which comprises a bottom cover, the bottom cover is in threaded connection with the lower portion of a base, an electrical control communication module is arranged in the base and electrically connected with a trigger, the trigger is electrically connected with a gas generation device, and the gas generation device is electrically connected with a gas sensor. The upper part of the base is in threaded connection with the lower part of the cylinder body, a plurality of guide strips for straightly penetrating through wires are uniformly mounted on the inner wall of the cylinder body in the circumferential direction, a load is arranged in the cylinder body, the upper part of the cylinder body is in threaded connection with the upper cover, and eight waterproof threading bolts for penetrating through the positive electrode and the negative electrode of an electrode are mounted below the upper cover. According to the invention, the structure is simple, and whether a closed loop can be formed by the electrode and the electrical control communication module is determined, so that a water outlet signal of the upper cover can be accurately detected, and the signal can be timely, reliably and rapidly transmitted to a trigger to complete ejection of a load.