551 results about "Data channel" patented technology

The invention discloses a cross-platform virtual-real fusion scene construction method and system based on AI space calculation, and relates to the technical field of artificial intelligence and space calculation, and the method comprises the steps: carrying out the multi-scale feature fusion based on a received cross-modal conversion instruction set, and generating an initial image sequence; carrying out implicit field coding on a target object by combining a three-dimensional reconstruction algorithm to obtain an initial parameterized model; performing space-time alignment on the multi-view video stream, loading a digital scene asset package in combination with physical sensing data and a preset spatial index structure, and establishing a bidirectional data channel between a virtual scene and a physical sensor; performing rendering and illumination parameter adjustment on the initial parameterized model to obtain an optimized parameter model; performing differential coding processing on the optimization parameter model to obtain a target virtual-real scene fusion model; and distributing the target virtual-real scene fusion model to a preset terminal. The invention provides a virtual-real fusion construction method for end-to-end collaborative optimization, which is suitable for cross-platform live broadcast or dynamic interaction scenes.

The invention discloses a multi-brand AGV same-field mixed operation management and control method and device, electronic equipment and a storage medium, and the method comprises the steps: building a standardized data channel with an original scheduling system of each brand AGV, so as to obtain the real-time operation state data and planning path data of each AGV; based on the real-time operation state data and the planned path data, carrying out space intersection judgment on planned paths of all AGVs, and carrying out collision risk initial judgment on AGV pairs with space intersection based on preset limit operation parameters; motion simulation is carried out on the AGV pair with the collision risk through preliminary judgment in the virtual environment based on the actual operation parameters so as to output a quantized collision risk result; and based on the quantized collision risk result, generating an avoidance strategy for the AGV with the low priority in the AGV pair with the collision risk in combination with a preset dynamic priority rule, and issuing and executing a standardized scheduling instruction generated based on the avoidance strategy. According to the invention, safe and efficient cooperative operation of multiple brands of AGVs in a same-field mixed operation environment can be realized.

The invention discloses a deep learning-based multimodal image fusion method for soft tissue photoacoustic / ultrasound imaging. Steps: an ultrasound-photoacoustic imaging device acquires photoacoustic and ultrasound images of human soft tissue and performs size normalization processing; an input spatial transformation module converts the images to the YCbCr space; an input pre-convolution module modifies the number of data channels; an input multi-scale feature extraction module extracts salient features from the source images; an input filter prediction module derives multi-scale filters; and an input filter fusion and adaptive enhancement module combines the input source images to obtain the final fused result. The invention has superior fusion performance compared to several traditional fusion methods and deep learning-based fusion methods, and more importantly, it exhibits excellent real-time performance. Furthermore, various modes of photoacoustic / ultrasound fusion extension experiments have verified the effectiveness of the method proposed in the invention.

The invention relates to the technical field of automatic operation and maintenance of a power system, in particular to an automatic operation and maintenance method and system for plant-station equipment based on a knowledge graph, and the method comprises the steps: collecting static ledger data, real-time operation data and historical operation and maintenance data of the plant-station equipment, constructing a multi-dimensional association knowledge graph, creating a digital twinborn body for target equipment in a plant station, and carrying out the operation and maintenance of the plant-station equipment. Establishing a bidirectional data channel between the digital twin and a corresponding equipment entity node in the knowledge graph; and based on a state evaluation rule and a fault propagation path model preset in the knowledge graph, performing real-time health state evaluation on the target equipment by using the state evaluation rule and the fault propagation path model to generate a health index, and when an abnormality is monitored, tracing along the topological relation between the electrical connection and the equipment in the knowledge graph, the fault source is positioned, the confidence probability is calculated, risk level evaluation and processing priority ranking are carried out according to the confidence probability, an operation and maintenance diagnosis work order containing an execution time sequence is obtained, and the fault reason can be quickly traced and positioned.

The invention belongs to the technical field of artificial intelligence chip and robot control, and relates to a heterogeneous calculation and control fusion chip control system and method, a robot and a storage medium. A GPU, an NPU, a BPU and an MCU are integrated in a central large core cluster, a communication network subunit and a memory control subunit are matched, and a low-delay data channel is constructed in a chip, so that perception, cognition and control instructions can be directly interacted, the cross-chip communication delay is reduced, and the real-time performance is improved. The three-level cache module is accessed through the memory control subunit, high-bandwidth sharing and centralized scheduling are achieved, data migration is reduced, the bandwidth bottleneck is relieved, and the complex task processing efficiency is improved. A trust root subunit is arranged in each unit, chip-level trusted verification and access isolation are provided, and the reliability under key action control and security sensitive scenes is enhanced.

The invention provides an optimized kernel network and an implementation method thereof, and relates to the technical field of kernel networks, the kernel network comprises a fast data channel component XDP arranged on a data link layer; when the network card equipment receives a message data packet, the XDP analyzes and filters the received data packet, or encapsulates or de-encapsulates the received data packet, and modifies a field to forward the data packet; and the XDP matches and filters the received data packet with the rules in the BPF Maps, and discards the data packet when the data packet is illegal. The method comprises the steps that hardware initialization comprises the step of adding a zero copy processing flow when an NAPI polling point processing function is added; the application program configures an XDP socket; the xsk unit executes a BPF instruction, calls a network card driving unit to configure an XSK cache pool, and establishes a DMA mapping relationship between the device and the UMEM shared cache; and the network card drives zero-copy receiving and receiving of the data packet. According to the invention, the kernel network communication efficiency is improved.

The invention discloses a dual-channel adaptive network stability testing method and system, and belongs to the technical field of computer network testing. The system adopts a dual-channel asynchronous communication architecture in which a control channel and a data channel are physically separated, instructions and state information are transmitted through an independent TCP control channel, and high-speed test data streams are transmitted through a UDP or TCP data channel. The method comprises the following steps: dynamically and adaptively adjusting a timeout parameter based on real-time network delay detection; nanosecond constant interval packet sending control is realized by using a high-precision monotonic clock source and busy waiting compensation mechanism; a packet loss detection, positioning and ACK confirmation mechanism based on the serial number is realized in an application layer; and real-time statistical display and idle detection automatic termination are realized through multi-thread parallel processing. According to the invention, the precision, the stability and the adaptive capability of network testing are remarkably improved, and the method is suitable for long-time stability testing in various scenes such as a high-speed Ethernet, a satellite link, an industrial Internet of Things gateway and the like.

The invention discloses a coal mine hidden danger event intelligent reasoning method based on a knowledge graph, and belongs to the technical field of coal mine safety, and the method specifically comprises the steps: obtaining a to-be-deduced entity with a real-time data flow recognition state parameter exceeding a threshold value range; calling a state transition rule set according to the entity type and constructing an independent deduction process; executing state transition calculation in each deduction process to generate a state evolution sequence; state combination matching is carried out based on the relation mode of the static knowledge graph, and entity state pairs meeting relation triggering conditions are recognized; establishing a cross-process data channel between the related deduction processes and performing parameter conversion; state deduction is executed again based on the input parameters, and deduction network topology is constructed; and finally, a complete hidden danger evolution path is obtained through reverse tracking parameter transfer relation integration. According to the method, dynamic deduction of the coal mine hidden danger forming process and accurate identification of the linkage risk conduction path are realized, and the accuracy of potential safety hazard early warning is effectively improved.

The invention provides an explosion-proof electric appliance overcurrent and temperature rise wireless test system and method based on ultrasonic communication, and relates to the technical field of explosion-proof electric appliance temperature rise tests. The system comprises a temperature acquisition device, an ultrasonic through-wall communication device, an overcurrent protection time acquisition device, a data receiving and storing device and a digital display operation table, wherein the output end of the temperature acquisition device is connected with the input end of the ultrasonic through-wall communication device, the output end of the ultrasonic through-wall communication device is connected with the input end of the data receiving and storing device through wireless communication, and the output end of the overcurrent protection time acquisition device is connected with the input end of the data receiving and storing device; and the data receiving memory is connected with the digital display console through a bidirectional data channel. According to the invention, the anti-interference performance and the test precision of temperature measurement are enhanced, and the multi-node distributed monitoring capability is provided through multi-channel data transmission, so that the overall efficiency of the internal temperature and overcurrent protection monitoring of the explosion-proof electric appliance is greatly improved.

The invention relates to the technical field of interface circuits, in particular to a multi-mode switching detection circuit for a Type-C interface, which is used for realizing peripheral type identification and automatic switching between a USB host mode and a DP input mode on a single Type-C interface. The circuit comprises an interface detection unit connected with a Type-C female seat interface, a voltage comparison unit, a main control processor chip, a mode discrimination unit and a control output unit. The voltage comparison unit carries out resistance voltage division and threshold comparison on CC pin voltage, two levels are formed at a detection node and sent to the main control processor chip, and USB equipment and DP source equipment are distinguished by the mode judgment unit. The control output unit controls the USB host power supply control circuit and the DP input chip power supply circuit, establishes a USB data channel in a USB host mode, and establishes a DP-to-video channel in a DP input mode. The circuit realizes rapid peripheral identification and mode automatic switching based on hardware, and is simple in structure, low in cost, high in response speed and high in system stability.

The invention relates to the technical field of control or regulation systems, in particular to a coupler control method and device supporting multi-protocol communication and a medium, the method comprises the following steps: acquiring an initial communication protocol, constructing a first query instruction by adopting the initial communication protocol, and sending the first query instruction to a target physical address; monitoring whether a reply for the first query instruction from the target physical address is received in a first waiting time in real time, and determining an equipment matching state; determining a protocol version type of an extension module connected with the target physical address according to the equipment matching state; and based on the protocol version type, constructing a data channel corresponding to the target physical address so as to perform data interaction according to the data channel. According to the invention, the expandability and stability of the coupler system are improved.

The invention discloses a communication method based on router bridging and a router, and relates to the technical field of wireless communication. The method and the device are used for solving the problems of link stability and switching efficiency of video conference services in a multi-interference environment. A master control node scans an interference source in an environment, detects the link delay and load of bridging equipment, calculates a resource allocation priority based on interference intensity distribution and node performance, screens low-delay nodes to form a core backhaul candidate set, and marks a continuous high-interference channel as a forbidden frequency band; when the video conference flow exceeds a threshold value, dynamically allocating a DFS channel by utilizing reinforcement learning and combining with a forbidden frequency band, and establishing a pre-synchronization security key data channel; on the basis of a terminal motion state and a service label, a moving track is predicted through return link quality and a motion vector, and target node pre-binding and service data flow mirror image caching of the high-speed mobile terminal are realized; in the switching stage, a target node injects cache data and verifies continuity, rolls back a source link when abnormity occurs, and dynamically adjusts a threshold value and a track parameter.

The invention provides a desktop-level hardware-in-the-loop test system building method, device and equipment, and relates to the technical field of hardware-in-the-loop simulation, and the method comprises the steps: configuring a vehicle network simulation and vehicle dynamics model in an upper computer with a CAN development environment and vehicle dynamics simulation software, a real-time data channel between the two is established through a full duplex transmission protocol; a driver instruction is generated through the driving control panel, and a vehicle state signal is generated through vehicle dynamics software; the wheel speed in the vehicle state signal is converted into a physical excitation signal, and a wheel cylinder pressure signal returned by the controller is collected; the pressure signal is fed back to the vehicle dynamics model to form a closed loop, a test scene is executed, and the desktop-level hardware-in-loop test of the brake controller is completed. By using vehicle dynamics simulation software, the test confidence coefficient is improved; data exchange is carried out by utilizing an FDX protocol of a CAN development environment, and complexity and potential risks of self-development of a communication interface are avoided.

The embodiment of the invention relates to the field of data synchronization, and discloses a same-number multi-terminal call data synchronization method for a VoIP (Voice over Internet Protocol) system. In the invention, the existing SIP signaling channel between the terminals and the SIP server is multiplexed, and the control information is transmitted to negotiate to establish the end-to-end data channel which does not pass through the SIP server. And then, the terminal executes a set of four-stage handshake synchronization protocol based on an incremental change log through the end-to-end channel to synchronize call data. The problem that the related technology in the field depends on a synchronization server or is limited by near field communication is effectively solved, and real-time synchronization and consistent convergence of service data between terminals are realized on the premise of keeping the existing VoIP signaling architecture unchanged and not additionally deploying a special centralized data synchronization server; the system reliability is improved; and the deployment and maintenance cost is reduced.

The invention discloses an on-chip network system based on cache consistency, belongs to the technical field of computer network communication, and aims to solve the technical problems of global consistency flow overload, on-chip network scheduling delay, directory node load imbalance and too high core resource occupation of a traditional router architecture. Comprising a multi-core cluster, distributed directory nodes, a multi-channel network-on-chip and a hardware acceleration module, cores are connected through a bus, and local cache consistency is achieved based on an MSI protocol; a directory node divides a physical address space into a plurality of fragments based on an address hash fragmentation mechanism, each directory node maintains a sparse directory table, and when the length of a request queue of any directory node exceeds a set threshold value, a dynamic load balancing mechanism is triggered; the multi-channel network-on-chip provides a control channel, a data channel and a configuration channel, and each channel performs message scheduling based on a dynamic priority mechanism; and the hardware acceleration module is used for processing three types of consistent transactions.

A method performed by a gateway node for enhancing a call session between a first User Equipment, UE, and a second UE in a communications network is provided. The second UE is associated to a Private Branch Exchange, PBX, node. When a call session has been established between the first UE and the second UE via the PBX node and via an Internet Protocol Multimedia Subsystem, IMS, network, the gateway node receives, from any one out of the first UE and the second UE, a request for establishing a data channel to enhance the call session. The gateway node negotiates one or more parameters to be used in the requested data channel between the first UE and the second UE. The gateway node establishes the data channel according to the negotiation, to enhance the call session between the first UE and the second UE.

The invention provides an engine cylinder cover thermal fatigue virtual test verification method and system, and relates to the technical field of virtual simulation modeling, and the method comprises the steps: obtaining the micro-macro parameter characteristics of an engine cylinder cover; constructing a parameterized model of micro-macro coupling; performing reverse solution on the control parameters of the physical rack based on a target temperature circulation curve set by a user to obtain a boundary condition parameter set required by a virtual test; generating a virtual-real homologous file according to the parameterized model and the boundary condition parameter set; actual measurement temperature data after the physical rack executes the control instruction file and simulation temperature data after the finite element analysis software executes the simulation input file are collected; according to the two-dimensional topological structure of the fire power surface, virtual thermocouple measuring point coordinates are generated; establishing data channel mapping according to the measuring point coordinates of the virtual thermocouple; calculating temperature errors of the plurality of measuring points; when the temperature error exceeds a threshold value, a correction prompt for the measuring point is output; and verifying the parameterized model according to the correction prompt.

Methods and systems are described for performing multi-lane alignment and rate adaptation between tiles (1304, 1302) in a multi¬file package (1300), specifically exchanging alignment information (algn_found, rpcs_algn_ctl) across clock domains for different tiles (1304, 1302) based on a write tile clock (wr_tile_clk) generated from a local system clock (tx_clk) in a leader tile (1302), the write tile clock (wr_tile_clock) having a period equal to a common reference clock (refclk), the write tile clock (wr_tile_clock) corresponding to a pulse having a location within the period of the common reference clock (refclk) as determined by an active cycle of a counter.

The invention relates to the technical field of bearing sales, in particular to an MES-based bearing sales management system, which comprises a sales management module, a warehouse management module, a stock management module, a statistical report module and a building and repairing cooperation module, and is characterized in that a real-time linkage mechanism is established, and the delivery efficiency is improved; the core problem of order and inventory disjunction is solved, on-demand, accurate and automatic stock-up instruction generation is realized, the repair and manufacturing precision of bearing overhaul and the product consistency are effectively improved, and the operation safety of client key components is guaranteed.

The application relates to a communication method, a communication device and a communication system, and relates to the field of communication. In the method, a terminal device is connected with two networks simultaneously, and data is sent through different data channels corresponding to the two networks respectively, each data including a payload, a sequence number of the payload and double sending information, the payloads being the same, a user function selecting and receiving the payload under the condition that the double sending information and the sequence number of the payload are the same, and sending the payload after the selection and receiving treatment to a data network. The probability of the simultaneous occurrence of communication condition deterioration of the two networks is lower than that of the occurrence of communication condition deterioration of one network, the network without the occurrence of communication condition deterioration can support the terminal device to normally perform data transmission, and the reliability of uplink data transmission is improved. When the communication condition of the two networks deteriorates simultaneously, the terminal device has different packet loss phenomena in different networks, the user function recombines and processes the two received payloads, and the complete payload can still be obtained, and the reliability of uplink data transmission is improved.

The invention belongs to the technical field of intelligent driving and Internet of Vehicles, and discloses a risk map construction method and system in an off-road scene, and the method comprises the steps: a cloud carries out the preliminary perception of risks based on the dynamic driving data reported by a vehicle; when the risk is sensed preliminarily, the cloud side sends a risk confirmation instruction to the target vehicle side; the target vehicle end responds to the risk confirmation instruction, carries out risk type confirmation by using a vehicle-mounted risk perception model and obtains a risk reporting strategy from the cloud end, and the target vehicle end uploads confirmed risk information to the cloud end through at least two data channels with different priorities according to the risk reporting strategy; and the cloud updates a risk configuration library according to the received risk information, and provides risk map data for the vehicle based on the risk configuration library. Through cooperative processing of the cloud end and the bicycle end, efficient perception, confirmation, reporting and display of risks are realized, bicycle resource consumption is reduced, and accuracy and real-time performance of a risk map are improved.

A method determines at least one defective vehicle that is a subset of a specified main set of vehicles and the vehicles are divided into vehicle types. The method includes determining data channel actual values which represent a respective quantity of transmitted data in a first data channel or a second data channel for at least one vehicle. The method also includes determining a vehicle-specific ratio value based on a ratio of a data channel actual value of the first data channel to a data channel actual value of the second data channel for the at least one vehicle. The method further includes determining a deviation value for the at least one vehicle, wherein each deviation value represents a deviation of the ratio value from a specified expected value for the vehicle type, and classifying whether the at least one vehicle is defective on the basis of the deviation value.

The invention relates to the technical field of vehicle control, and discloses a vehicle control method, a vehicle domain controller, a vehicle and a storage medium. The vehicle domain controller comprises an MCU, a first SOC, a second SOC and a switching chip, and the method comprises the steps that the MCU is started in response to a power-on signal for the vehicle domain controller; carrying out power-on and initialization configuration on the switching chip, and determining a target SOC which needs to be started at present; the target SOC comprises at least one of the first SOC and the second SOC; and controlling the target SOC to be powered on, and indicating the target SOC to establish a data channel after being powered on. The first SOC, the second SOC and the switching chip are controlled in a unified mode through the unique MCU, the integration level of a hardware system can be improved, cost reduction is achieved, the MCU does not need to transfer or switch the control right, and the complexity of a control strategy can be reduced.

This invention discloses a data security access control method based on an IoT platform, relating to the field of secure access technology. It includes a dynamic threat assessment step, which determines data risk by analyzing the behavioral sequence of the data parsing process. Specifically, for a specified data type, based on the parsing behavior of historical harmless data samples, a baseline of normal behavior sequence is constructed and its corresponding normal behavior ratio range is determined. Then, the current data to be assessed is parsed, and the real-time behavioral sequence generated during the parsing process is monitored and recorded. This invention overcomes the limitation of traditional access control that only manages who can access the data. By introducing a dynamic threat assessment engine into the access link, it performs in-depth behavioral analysis on the accessed data content itself, constructing a subject-object two-way security system that can effectively defend against data reverse intrusion attacks launched using legitimate data channels.

Alignment detection circuitry is disclosed that include a buffer configured to output a data stream of multiplexed groups of symbols from multiple data lanes and a set of correlators configured to determine physical link skew from one data lane of the multiple data lanes, wherein the physical link skew from the one data lane is known to equal the physical link skew on each data lane, assuming each data lane is transmitted over the same physical link. The alignment detection circuitry may also include anti-aliasing circuitry configured to extract a unique marker of the alignment marker to detect common marker aliasing by comparing the extracted unique marker to a known unique marker. Anti-aliasing circuitry may also be configured to use common marker detection status of adjacent data lanes of the multiple data lanes to detect common marker aliasing determined by a detection delay between the adjacent data lanes.

The invention provides an advertisement pushing method, device and equipment, a computer readable storage medium and a computer program product. The method is applied to a first network function in an IMS call system, and comprises the following steps: receiving a registration request sent by a terminal device, the registration request carrying first information; wherein the first information comprises one or more of the following items: a data channel capability label and first indication information; the first indication information is used for indicating whether the IMS call system actively triggers the opening or closing of an advertisement pushing function in a registration process; judging whether an advertisement pushing function is opened based on the first information, and if so, triggering the IMS call system to open the advertisement pushing function based on subscription information of the terminal equipment and the first information; receiving a call request sent by the terminal equipment, wherein the call request is used for triggering an IMS call system to select advertisement content matched with a user portrait and a call scene of the terminal equipment and pushing an advertisement based on the data channel; in this way, intelligence of advertisement pushing is achieved.

The invention relates to a data channel establishment method, a data channel establishment device and an IMS (IP Multimedia Subsystem) session system. The method comprises the following steps: receiving an ADC establishment request of a calling terminal, and determining an application program corresponding to the ADC establishment request; if it is recognized that the application program contains a non-downloaded program, a waiting message is returned to the calling terminal, a guide data channel corresponding to the called terminal is established, and the non-downloaded program is downloaded according to the guide data channel; and when the non-downloaded programs are all downloaded, establishing an application data channel corresponding to the ADC establishment request. By adopting the method, when the calling terminal only initiates the ADC establishment request and does not initiate the BDC establishment request, the establishment of the application data channel can be realized on the basis of not ending the original session, and the successful establishment of the session is ensured.

The invention comprises a device and a method for detecting and evaluating the movements of a person, comprising detecting a person by means of a motion detection sensor, generating an observation point model of observation points for the detected person, determining poses, evaluating the observation points by means of an observation point evaluation module, wherein the motion detection sensor provides data to at least one other process node via at least one data channel and / or receives data from at least one other process node.

The invention provides a data transmission method, device and equipment and a readable storage medium, and the method comprises the steps: monitoring the data flow of each calculation unit communicating with the outside, and configuring a data channel between a busy calculation unit and an idle calculation unit to be opened; issuing a first shunting instruction to the busy computing unit, and shunting the data message of the busy computing unit to the idle computing unit; and issuing a second shunting instruction to the idle computing unit, and forwarding the second shunting instruction outwards through a data channel of communication between the idle computing unit and the outside. According to the technical scheme of the invention, the BMC intelligently monitors the flow, and dynamically opens the data channel between the calculation units, so that the overload calculation unit can distribute the data to the idle unit for forwarding, thereby effectively breaking through the bandwidth limitation of the physical port of the single calculation unit, solving the problem of local flow congestion, and improving the reliability of the system. And the network throughput and the resource utilization efficiency of the whole machine system are obviously improved.

This invention discloses a method and system for real-time monitoring and prediction of carbon intensity, belonging to the field of carbon emission monitoring technology. The method acquires and processes electricity-related data such as installed capacity and real-time load of each province hourly through an ETL data channel; it draws a map of China based on ECharts, dividing it into five color-level intervals according to carbon intensity values: 0-300, 301-500, 501-700, 701-900, and 901-1200 gCO2 / kWh; responding to user clicks on provinces, it displays detailed data for each province through indicator cards, circular progress charts, and one-sided bar charts; it calls a pre-trained STFCI hybrid model to predict carbon intensity hourly for the next 24 hours. This model integrates a 2-layer 128-neuron LSTM unit with an XGBoost unit with 100 trees and a learning rate of 0.1, outputting predicted values ​​after feature concatenation and a fully connected layer; the prediction results are displayed as a bar chart, marking customizable low-carbon threshold lines, highlighting low-carbon periods, and generating electricity consumption suggestions. The corresponding system includes a data interface, database, visualization, prediction, and WeChat service modules. The database adopts an InfluxDB+MySQL combined architecture, and the WeChat service module supports mobile text and image queries. The STFCI model of this invention has an average absolute error of only 12.3 gCO2 / kWh, significantly improving prediction accuracy, realizing hourly real-time monitoring and multi-dimensional visualization of carbon intensity, and providing precise decision support for power dispatching and energy conservation and emission reduction when combined with mobile services.