74results about How to "Timely transmission" patented technology

The invention provides a data transmission optimization method and system based on a satellite channel congestion scene, and belongs to the technical field of satellite communication, and the method comprises the steps: classifying service data, and obtaining different types of data messages; reporting the cache state report to a satellite master station; receiving uplink communication resources distributed by the satellite master station, wherein the uplink communication resources are sent after being distributed by the satellite master station based on the cache state report; determining a channel transmission state of the satellite terminal station based on the uplink communication resources and the service volume in the transmitting cache region; scheduling and sending each type of data messages according to the transmission priorities of the different types of data messages; the transmission priority is determined based on a channel transmission state. According to the invention, in a satellite channel congestion scene, key messages are scheduled preferentially by dynamically adjusting the transmission priorities of different types of data messages, so that the communication efficiency and reliability are improved under limited resources.

The invention is suitable for the technical field of redundancy coding, and particularly relates to a data redundancy coding method and system based on deterministic network cooperative transmission, and the method comprises the steps: delimiting an industrial production area, and positioning a relay node which at least comprises edge equipment and a network switch, key indexes of the relay nodes are collected, and the relay nodes are divided into main nodes and common nodes; the industrial production tasks are collected, the master control server and the execution end are extracted, the control command sent by the master control server is received, and the industrial production tasks are coded according to a preset coding sequence. By constructing the hash chain, the control command can be decoded, the traceability of the control command is improved, meanwhile, the fault tolerance of the industrial automation system is further enhanced, it is guaranteed that the control command can be accurately and timely transmitted to the execution end, the response efficiency of the execution end is greatly improved, and normal operation of industrial production is guaranteed.

The invention discloses a power Internet of Things data transmission method and device and a medium, and belongs to the field of power network networking, and the transmission method comprises the steps: collecting power data such as current, voltage and power in real time based on a sensor, and carrying out the de-noising of the data through Kalman filtering; layering packaging is carried out according to the data type, a data compression algorithm is applied to compress the data, the transmission bandwidth is reduced, the compressed data is encrypted, and integrity verification information is added; dynamically selecting a transmission channel by using a reinforcement learning algorithm according to a real-time network state; the data are packaged and sent to the cloud through the selected transmission channel, the data are received at the cloud, and the power data are stored and managed by using a time sequence database; and analyzing the received data, generating a real-time report, carrying out anomaly detection and load prediction through a random forest algorithm, and carrying out adaptive adjustment according to the real-time monitoring data. By dynamically selecting a transmission channel and a self-adaptive transmission strategy, network instability is dealt with, and timely transmission of data is ensured.

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.

The invention relates to the field of rail transit, in particular to rail detection and maintenance equipment for urban rail transit, the rail detection and maintenance equipment is applied to a rail and comprises a rail car and processing mechanisms arranged at the front end of the rail car, the rail is composed of two parallel steel rails, and each steel rail is provided with one processing mechanism. The processing mechanism comprises a detection assembly and a maintenance assembly, the rail car is provided with a rack for installing the detection assembly and the maintenance assembly, the maintenance assembly is located between the detection assembly and the rail car, and the maintenance assembly comprises rolling wheels matched with the steel rails and a rotary driver used for driving the rolling wheels to rotate. The foreign matter on the steel rail is detected through the detection assembly, the maintenance assembly is started, the scraping strip and the surface of the steel rail are continuously rubbed to remove the foreign matter in the rotating process of the driving roller, the scraping strip can be more stably attached to the surface of the steel rail along with the synergistic effect of the rubber mat and the pressure adjusting assembly, and the cleaning efficiency is improved.

The invention discloses an intelligent greenhouse environment data acquisition and transmission method and system, relates to the technical field of data acquisition and transmission, and solves the technical problem that the security of data in the transmission and storage process is difficult to guarantee due to no targeted encryption analysis on different types of data. Through multi-step preprocessing operation of data cleaning, duplicate removal, correction and the like, abnormal data generated by sensor faults or electromagnetic interference can be accurately recognized and removed, so that a high-quality and reliable data basis is provided for subsequent data analysis and decision making, the preprocessed data is classified and sorted according to data content, a binding packet is generated, and the data processing efficiency is improved. Furthermore, the binding packet is divided into a first class and a second class to be equally divided according to the existence of the same data, different encryption processing modes are adopted respectively, the security of the data is improved through a refined encryption strategy, and the data is prevented from being illegally stolen and tampered in the transmission and storage process.

The invention discloses a power plant data management method and system, and the method comprises the steps: collecting the real-time data of a power plant, and dynamically adjusting the data collection frequency of a sensor; performing data preprocessing and compression on the real-time data of the power plant through an edge computing node, and transmitting the preprocessed data to a central database through a multi-level data transmission protocol; the central database manages the data through a dynamic storage strategy, extracts the data from the dynamic storage database for analysis, and obtains a data analysis result; and displaying the data analysis result through augmented reality equipment, wherein the data analysis result comprises key operation parameters and predictive maintenance suggestions. According to the invention, the accuracy of data acquisition and the resource utilization rate are optimized, the efficiency and accuracy of data processing are improved, efficient transmission and timely processing of different types of data are ensured, the high efficiency and flexibility of data storage are realized, and the overall efficiency of power plant data management is comprehensively improved.

The invention relates to the technical field of frontier-coast defense radar detection, and particularly discloses a frontier-coast defense radar detection radar system which is provided with a detection radar operation monitoring module, a detection data transmission monitoring module and a detection data analysis module and monitors and analyzes operation state data of frontier-coast defense detection radar in real time. Potential problems of a radar system can be found in time, continuous and stable operation of the radar system is ensured, network transmission performance data of detection data in the transmission process are monitored in real time, the problems in network transmission can be recognized, it is ensured that the detection data can be transmitted to a control platform timely and accurately, and the detection efficiency is improved. By analyzing the acquired detection data, the overall efficiency of the frontier and coast defense monitoring system can be comprehensively reflected, the current safety condition can be accurately evaluated, the intelligent level of the frontier and coast defense radar system can be improved, the quick response capability to potential threats can be enhanced, and the frontier and coast defense safety can be effectively guaranteed.

The invention provides a transmission control method and device, equipment, a chip and a medium, and the method comprises the steps: obtaining a plurality of pieces of first data, and enabling different pieces of first data to have different transmission sequences; sending the current first data; second data are transmitted, and the time delay of the second data is smaller than the time delay of the first data; and sending the remaining first data, the sending order of the remaining first data being after the sending order of the current first data. The technical problem of poor timeliness of low-delay data transmission in the prior art is solved.

The utility model discloses a kind of millisecond acquisition systems of steam total meter, including multiple steam total meter, operator communication server, LAN host, DCS station communication module and DCS production network host;4G transmission module is equipped on each steam total meter, and operator communication server is wirelessly connected by 4G network, for sending the steam data collected to operator communication server under different acquisition system according to different acquisition period;The operator communication server is connected with LAN host by wired or wireless network, and the steam data received is transmitted to LAN host;LAN host and DCS station communication module are connected using hand-in-hand parallel connection hardwiring connection mode, and the communication protocol of steam total meter is accessed DCS station communication module by modbus protocol channel;The DCS station communication module is connected with DCS production network host by wired connection.The utility model whole structure is simple and reasonable, practical and convenient, and stable in operation.

The invention provides a flexible heat pipe based on a bionic directional liquid conveying structure and a manufacturing process, relates to the field of flexible heat pipes, and aims to solve the problem that the heat dissipation efficiency of a current flexible heat pipe is difficult to meet the requirement. A liquid suction channel and a protruding column are formed on a flexible base body of the flexible heat pipe, and the protruding column is of a bionic structure; the capillary pressure of the working medium pumped by the flexible substrate serving as the wick is improved, the gas-liquid circulation in the flexible heat pipe is effectively improved, and the heat dissipation effect of a local area is enhanced, so that the heat dissipation capability and the environmental stability of the flexible heat pipe are improved, and the service life of electronic equipment is prolonged.

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.

The present invention discloses a daisy chain structure and a signal transmission method thereof, and belongs to the field of communication technology. A daisy chain structure and a signal transmission method thereof of the present invention sets multiple input interfaces for each chip in the daisy chain structure, and uses multiple input interfaces to simultaneously connect with multiple previous chips, so that each chip can receive data on multiple chips, and before transmitting downward, the chip judges all received data and distinguishes erroneous data, and while transmitting correct data downward, distinguishes erroneous data and the chip that transmits erroneous data and reports it to a host computer, so that the correct transmission of data can be ensured, and the erroneous chip can be reported in time, so that the staff can repair or replace the erroneous chip uniformly after a certain period of time, thereby reducing the number of maintenance times, and ensuring the long-term stable and correct operation of the signal transmission system.

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 utility model relates to the technical field of early warning devices, and particularly discloses a geological disaster early warning device which comprises an early warning device body. The fixing column is arranged in the middle of the early warning device body in the vertical direction; the first fixing plate is arranged at the bottom end of the fixing column; the first fixing bolt penetrates through the first fixing plate and is inserted into the ground; the outer side wall of the fixing column is sleeved with the connecting sleeve, and the connecting sleeve is located in the middle of the fixing column; the sliding assembly is located on the side, close to the first fixing plate, of the connecting sleeve; one end of the connecting assembly is connected with the sliding assembly, and the other end of the connecting assembly is fixed to the ground; wherein the connecting assembly can rotate relative to the sliding assembly; the detection assembly is located at the top end of the fixing column. The geological disaster early warning device is stable in structure, flexible in installation, accurate and reliable in early warning, and capable of effectively early warning and preventing geological disasters and reducing disaster loss.

The invention relates to an intelligent driving data transmission method and device, an intelligent cabin system and a vehicle, the method is applied to the intelligent cabin system, and the method comprises the following steps: receiving intelligent driving data based on an external Ethernet interface, and receiving demand information of each function application in the intelligent cabin system based on an internal Ethernet interface; according to the demand information of each function application, the intelligent driving data is classified, multiple groups of data streams are obtained, and each group of data streams corresponds to at least one function application; and transmitting the data stream to a corresponding function application based on an internal Ethernet interface. According to the invention, data distribution and transmission among functional applications in the intelligent cockpit system based on the Ethernet are realized, the transmission path is short and relatively fixed, and the Ethernet is adopted to transmit data in the whole vehicle network system, so that the vehicle data transmission efficiency is high.

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 present invention proposes a random vibration test method and system. Belonging to the field of vibration test technology, the method includes: using an image acquisition device to respectively acquire appearance images of a plurality of tested samples, and numbering the tested samples, and respectively stitching the acquired appearance images with different numbers into complete product pictures through an image stitching algorithm; performing preliminary processing on the product pictures through an image processing algorithm, extracting key feature information of the sample surface, and storing them in a feature library respectively; placing a plurality of tested samples on different experimental platforms respectively, performing random vibration tests, and collecting mechanical data in real time through sensors, while the image acquisition device continues to work to capture subtle changes on the sample surface in real time. The collected images and mechanical data are transmitted to the cloud platform through a multi-channel transmission protocol, and the best transmission path is selected using a performance evaluation and optimization algorithm to ensure the timeliness and reliability of the data.

The invention discloses a bendable anti-static cooling fin for a mainboard of a lower shell of a notebook computer, which comprises a supporting and positioning film, a conductive cloth single-sided adhesive tape, a second conductive copper foil double-sided adhesive tape, alloy copper, a first conductive copper foil double-sided adhesive tape and a polyester insulating film, a plurality of pieces of alloy copper and a plurality of pieces of second conductive copper foil double-faced adhesive tape are arranged, each piece of alloy copper is adhered to one piece of second conductive copper foil double-faced adhesive tape, the adjacent pieces of alloy copper are arranged at intervals, and the adjacent pieces of second conductive copper foil double-faced adhesive tape are arranged at intervals. The device is used for the edge of a mainboard of a lower shell of a notebook computer, static electricity generated during operation of the computer can be conducted out in time, heat generated by a key chip during working of the computer can be conducted to a shell in time, the internal heat accumulation temperature is prevented from being too high, and the stability and safety of equipment operation can be improved; the radiating fin product can be bent, so that the radiating fin product can be conveniently and accurately attached to the front surface and the side surface of an attached element; the whole structure is simple, and the total thickness of the product does not exceed 0.31 mm.

The invention relates to the technical field of crystallization equipment intelligent control systems, in particular to a prilocaine crystallization equipment intelligent control system and method.The system comprises a data acquisition layer, a data interaction layer and an application layer, and the data interaction layer comprises a shared database, an intelligent data interaction system and a function module; wherein the shared database is used for storing and managing collected process data and control instructions; the intelligent data interaction system comprises a data acquisition module, a data processing module and an expert system calling module, and the expert system calling module is responsible for decision analysis; the function module comprises a prilocaine crystallization process module, an evaluation criterion module and a comprehensive evaluation method module and is used for providing crystallization process knowledge, evaluation indexes and an optimization method; the whole efficiency and the product quality of the prilocaine crystallization process are remarkably improved, and the method is suitable for large-scale industrial production and can flexibly meet the production requirements of small batches and multiple varieties.

The invention discloses a communication method and system of a vehicle-mounted passive optical network, and relates to the field of data transmission of optical communication. Establishing a communication relationship between the ONU and the standby OLT; the main OLT sends main and standby switching information to the standby OLT through a special main and standby switching channel; and the standby OLT confirms the ONU needing communication according to the main and standby switching information. On the basis of adding the standby OLT, the main and standby switching information is received and transmitted through the special main and standby switching channel, so that the redundancy protection range is expanded to the OLT domain control equipment, and the OLT domain control single-point fault can be avoided; moreover, the special main and standby switching channels can avoid the failure or timeout of protection switching caused by the transmission of the main and standby switching information from a communication channel for message transmission before the fault, thereby guaranteeing the timely transmission of the main and standby switching information, achieving the seamless switching between the main and standby OLT, and remarkably improving the switching efficiency and reliability.

The invention discloses a data monitoring system based on electric power telecontrol, a sensor module, a preprocessing module, a transmission analysis module, a data processing module, a data transmission module, a data receiving module, a data verification module, a re-acquisition module and a monitoring display module, and the invention relates to the field of data monitoring technology. The data monitoring system based on electric power telecontrol avoids unnecessary data transmission and saves network resources through an intelligent transmission analysis method, and only transmits operation data exceeding the standard fluctuation difference, which greatly reduces the data transmission amount, reduces the communication cost and system burden, improves the transmission efficiency, preprocesses the different attribute operation parameters of multiple time nodes within a specified period, calculates the accurate fluctuation range and the standard fluctuation difference, can more accurately reflect the operation status of the controlled station, and ensures the accuracy and reliability of data processing based on scientific variance calculation and comparison.

The present invention discloses an intelligent greenhouse environment data acquisition and transmission method and system. The present invention relates to the field of data acquisition and transmission technology, and solves the technical problem that the security of data during transmission and storage is difficult to guarantee due to lack of targeted encryption analysis of different types of data. The present invention can accurately identify and clear abnormal data caused by sensor failure or electromagnetic interference through multi-step preprocessing operations such as data cleaning, deduplication and correction, thereby providing a high-quality and reliable data basis for subsequent data analysis and decision-making, classifying and arranging the preprocessed data according to the data content and generating a bundle package, and further dividing the bundle packages into one category and two categories of equally divided bundle packages according to whether the same data exists, and adopting different encryption processing methods respectively. The refined encryption strategy improves the security of the data and prevents the data from being illegally stolen and tampered with during transmission and storage.

The invention relates to the technical field of oil exploitation detection equipment, in particular to a current testing device for a mud generator of an instrument while drilling. The device comprises an accommodating box; a generator and an installation box are installed in the containing box, a test module is fixedly installed in the installation box, a heat exchange plate is fixedly installed on the top of the installation box, a liquid storage box is fixedly installed on the top of the heat exchange plate, a control panel is fixedly installed on the liquid storage box, and one side of the control panel is located in the liquid storage box. At least one heat conduction plate is fixedly installed on the top of the other side of the control plate, and an air guide pipe is fixedly installed in the containing box. The device is reasonable and compact in structure and convenient to use, heat generated by the test module is conducted to the heat conducting plate in time through cooperative use of the heat exchange plate, the liquid storage tank, the control panel and the heat conducting plate, the internal resistance of the test resistor is prevented from influencing the test result due to temperature change, the test precision is further improved, and the device has the advantages of being safe, reliable and accurate in measurement. The operation is convenient, and the working efficiency is greatly improved.

The present invention provides an OLSR routing protocol message compression method and system, including: using a network-wide unique node ID to replace the node IP address in the OLSR control signaling, compressing the length of the air interface message, reducing the air interface message overhead, improving the wireless self-organizing network transmission rate and network robustness, and avoiding network congestion caused by excessive messages. The present invention reduces air interface resource overhead and improves system capacity; realizes rapid response to network changes and improves network robustness; and at the same time reduces control signaling overhead and improves user experience.

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.

This application provides a connector signal transmission system and its wire-end connector, board-end connector, and connector assembly. The wire-end connector can be mated with the board-end connector, and the wire-end connector includes a wire-end mating detection conductor. The wire-end mating detection conductor can detect whether the terminal group of the wire-end connector and the board-end connector is properly mated. In this way, the connector assembly of this application can transmit signals in a timely manner and its function in electronic devices meets expectations.

The utility model belongs to the technical field of stop valves, and particularly relates to a stop valve capable of automatically controlling liquid quantity, which comprises a valve body. An upper port of the valve body is sleeved with a lower valve cover, first screw holes are formed in the four corners of the lower valve cover, bolts are inserted into the first screw holes in a penetrating mode, an upper valve cover is installed on the lower valve cover in a matched mode through the bolts, the bottom end of each bolt is sleeved with a locking nut, and the locking nuts are arranged below the lower valve cover. A sealing gasket is arranged between the lower valve cover and the upper valve cover, a T-shaped rail is fixedly connected to the upper valve cover, a sliding sleeve is installed on the T-shaped rail in a sliding mode, a motor is installed on the sliding sleeve, the output end of the motor is connected with a rotating shaft, a gear is installed on the rotating shaft in a sleeving mode, a second screw hole is formed in the sliding sleeve, and a first screw hole is formed in the second screw hole. A locking screw rod is inserted into the second screw hole; when the valve is used, corresponding adjustment can be automatically made according to the flow of liquid in the valve body, and therefore the flow of the liquid can be automatically controlled.

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.