3473 results about "Ethernet" patented technology

The invention provides a heterogeneous acceleration pooling server system, a pooling resource allocation method and a medium, and relates to the technical field of computers, the heterogeneous acceleration pooling server system comprises a general computing resource pool, an internal bus switching module, an Ethernet switching module and a plurality of heterogeneous computing acceleration resource pools; the internal bus exchange module comprises a plurality of mutually connected high-speed data interconnection modules, each module is provided with a plurality of IO devices, the IO devices of the plurality of high-speed data interconnection modules overall allocate global unique codes, the general computing resource pool configures the required IO devices according to resource requirements after obtaining the resource requirements, and the required IO devices are distributed to the general computing resource pool according to the resource requirements. And establishing a heterogeneous computing resource allocation path to enable the general computing resource pool to be matched with one or more heterogeneous computing acceleration resource pools corresponding to the resource requirements, so that each general computing power unit can access any heterogeneous acceleration device, the system expansion capability is improved, and the resource utilization rate is improved when large-scale and diversified applications are dealt with. And the operation efficiency of the heterogeneous acceleration server is improved.

The invention discloses a computing node, a computing system, a control method, a control device, equipment and a medium, and relates to the technical field of computers, a plurality of acceleration cards are interconnected through an Ethernet switching module, and low-order channels of serializer / deserializer interfaces of the acceleration cards are connected with the Ethernet switching module through retimers. A high-order channel of at least one serializer / deserializer interface of each accelerator card is connected with the Ethernet switching module through a retimer, and the working mode of the retimer is configured through a first controller on a computing node according to the signal rate of the accelerator cards, so that a framework that communication interfaces between the accelerator cards are fully interconnected is realized. Any two acceleration cards can be directly connected, the communication bandwidth between the acceleration cards is improved, meanwhile, the number of the acceleration cards can be flexibly expanded, longitudinal expansion and transverse expansion of a computing system can be conveniently achieved, the problem that a traditional acceleration card interconnection scheme is not easy to expand is solved, and the method can adapt to service requirements and flexibly adjust working loads.

The invention discloses a ceramic glaze detection method and system based on image processing and a hierarchical classifier, and relates to the technical field of data processing and analysis. The method comprises the following steps: S1, scanning the surface of the ceramic glaze line by line through a color linear array CCD sensor, and collecting high-resolution RGB image data; s2, preprocessing the image data acquired in the step S1, and identifying a potential defect area; s3, performing preliminary classification on the potential flaw areas identified in the S2, and screening suspected flaw areas; s4, performing fine classification on the suspected flaw areas output in the step S3; s5, according to a classification result, performing real-time marking on the flaw area through an automatic marking device; s6, the detection result is transmitted to an upper computer through the Ethernet to be displayed and recorded in real time; by adopting the ceramic glaze detection method and system based on image processing and the grading classifier, the ceramic production quality and the working efficiency and precision in production process control can be improved.

Techniques disclosed in the present disclosure relate to communication networks and methods for supporting time-sensitive deterministic communication based on a time-sensitive network (TSN) mechanism. A communication network may include a plurality of network domains in the communication network connecting each other, and a plurality of schedulers in the plurality of network domains. A respective of the plurality of schedulers may compute a local schedule for a respective of the plurality of network domains, and a first scheduler and a second scheduler of the plurality of schedulers may iteratively exchange a first local schedule and a second local schedule. The first local schedule and the second local schedule may include different cycle times. The first network domain may transmit interdomain ethernet link information related to a link connecting the first network domain and the second network domain, and intradomain schedule information related to the first local schedule.

The invention relates to the technical field of hydropower engineering, and discloses a single-core self-healing type looped network networking method and system, and the method comprises the steps: dividing a whole network into a plurality of sub looped networks; each sub-ring network operates independently; the light switch in each sub-ring network adopts an A / B end connection mode; reversely connecting the B end of the last measuring point to the A end of the initial measuring station by using an optical fiber to form a closed physical structure; configuring a protocol on the switch, and controlling a data flow path through the protocol; different sub-ring networks are connected through RJ45 ports, and a CAT5E shielded twisted pair or an Ethernet interface is used; when a certain node or link fails, the protocol automatically triggers a switching mechanism; the master station optical transceiver monitors the states of all nodes in real time and displays fault points through a network management interface. The system comprises a sub-ring network module, a control data flow module and a fault point display module. The problems that a traditional networking method of hydropower engineering is poor in reliability, and self-healing cannot be achieved after an intermediate node is disconnected are successfully solved.

The invention belongs to the field of data analysis and processing, and discloses a virtuality and reality combined automobile automatic driving test method. Comprising the following steps: connecting a sensor suite and an automatic driving system of an automobile with a virtual twin center by using a CAN bus or an Ethernet interface, operating the automatic driving system, and generating a performance report; the method comprises the following steps: initializing raindrop attributes, setting the transparency of raindrops based on real environment data, introducing a complex wind field model and a surface ponding dynamic evolution mechanism, carrying out collision detection on all raindrop pairs by using a space segmentation algorithm, and simulating dynamic behaviors of the raindrops in the air based on a discrete element method and a smoothed particle fluid dynamics method. Visual rendering is carried out on the water spray effect; under the influence of raindrop physical characteristic modeling, output of laser radar point cloud scattering modeling, camera image fuzzy modeling, millimeter wave radar signal attenuation and scattering modeling and ultrasonic sensor interference modeling is iteratively updated, and automatic driving testing of an automobile under virtual-real combination is achieved.

A method of operating a plurality of communications nodes in a 10BASE-T1S Ethernet network. The plurality of communications nodes are configured to implement a physical layer collision avoidance, PLCA, process. At least two of the communications nodes are candidate beacon generators. The method comprises: for each of the at least two candidate beacon generators, determining a time delay since a last received beacon, comparing the determined time delay with a threshold value associated with the candidate beacon generator, and if the time delay exceeds the threshold value then setting that candidate beacon generator as an in-use beacon generator; and the in-use beacon generator transmitting a beacon to define the start of a PLCA cycle, thereby triggering a transmit opportunity for each of the other communication nodes.

The present application relates to the technical field of chip verification, and relates to a software and hardware collaborative simulation verification platform for accelerating verification and positioning of a smart network interface card chip. The platform comprises: a host side QEMU virtual machine, which simulates a hardware device, sends an IO request, responds to the IO request, and calls a device driving program to implement driving execution of a host side hardware device; a host side thread adapter, which converts a multi-thread processing program of the host side QEMU virtual machine into a single-thread processing program; an UVM verification platform, which performs simulation reproduction of FPGA prototype verification of the smart network interface card chip to generate a simulation waveform and a simulation log; a network side data stream adapter, which performs data type conversion on an Ethernet message; and a network side data packet transceiver, which performs message legitimacy check on the Ethernet message returned by the network side data stream adapter. The platform of the present application can improve the problem positioning speed and the chip verification efficiency, shorten the overall chip development period, and improve the chip quality.

The invention provides a communication method, device and system, electronic equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: receiving an Ethernet data frame sent by a first host connected with a first network device, wherein the Ethernet data frame comprises a source MAC address and a destination MAC address; determining a virtual Ethernet identifier and a target site mapping prefix corresponding to the target MAC address according to a preset address mapping relationship; generating an IPv6 message header according to the virtual Ethernet identifier, the target site mapping prefix and the target MAC address, and packaging the Ethernet data frame according to the IPv6 message header to obtain an IPv6 message; and sending the IPv6 message to a second network device, decapsulating the IPv6 message by the second network device to obtain an Ethernet data frame, and sending the Ethernet data frame to a second host connected to the second network device. The present disclosure can reduce overhead and improve system security.

The invention provides a path planning method and system based on four-AGV cooperative carrying, and relates to the technical field of automatic logistics transportation. The method comprises the steps that a high-precision grid map is constructed, a global path is generated in combination with a simulation improved A * algorithm, dynamic weight factors are adaptively adjusted according to the obstacle density, and the path search efficiency is optimized; a time window constraint method is adopted to divide path segments and dynamically allocate time windows; real-time sensing of dynamic obstacles is fused, and a local path is adjusted based on Kalman filtering and a dynamic priority scheduling algorithm; a one-master and three-slave cooperative control architecture is adopted, a master AGV tracks a simulation path, and slave AGVs dynamically adjust control parameters through a fuzzy adaptive PID algorithm; the synchronous jacking operation of the four AGVs feeds back the state to the central server in real time through the Ethernet, so that the synchronism and safety of collaborative carrying are ensured. According to the invention, the technical problems of high path conflict rate, low trajectory tracking precision and slow obstacle avoidance response of a multi-AGV system in a complex environment are solved.

The invention discloses an intelligent networked passenger car network system architecture design method based on link redundancy, which comprises the following steps of: constructing a CAN (Controller Area Network) line network module and a vehicle-mounted Ethernet module, and connecting a plurality of control nodes in a passenger car to obtain a connection link; judging connection link connectivity and transmission quality of the plurality of control nodes by utilizing a heartbeat packet mechanism to obtain link quality; and carrying out link switching according to the link quality to obtain the network system architecture of the intelligent networked passenger car. The invention relates to the technical field of intelligent traffic, and solves the technical problems of low error-tolerant rate, insufficient reliability and easy threat to driving safety of the existing single-chain design or double-chain design during link fault.

The invention discloses a multifunctional analog instrument acquisition card based on a ZYNQ-7000 chip and a data processing method. The acquisition card takes a ZYNQ-7000 series main control chip as a core, a PS end is responsible for data storage and network transmission, and a PL end covers a data acquisition module, a data output module, a data cache module and the like. A four-channel single-channel ADC circuit is adopted for data acquisition, and the data is cached and converted by FIFO and then transmitted to a PS end by DMA; the signal output module generates an analog signal according to an instruction of the upper computer; high-speed and stable data transmission is realized by means of multi-channel DMA; the Ethernet module guarantees communication with an upper computer. By utilizing the unique architecture of the ZYNQ chip and combining the cooperative operation of each functional module, the system has the advantages of modularization, high precision, high-speed processing, expandability and the like, effectively solves many defects of an existing data acquisition system, can be widely applied to analog signal acquisition and processing in multiple fields, improves the efficiency and precision of data acquisition and processing, and has a great market application prospect.

The present technology relates to fault-managed power (FMP), and particularly, to generating FMP in an industrial automation environment using single-pair Ethernet (SPE) cabling for use by DC motors. An FMP system may include transmitter circuitry and receiver circuits coupled together via a transmission link formed using SPE cable. The transmitter circuitry can generate a FMP and transmit a pulsed signal having the FMP to the receiver circuits. The transmitter circuitry can also exchange data signals with the receiver circuits over a communication channel using the SPE cable. The receiver circuits can identify an expected power consumption of DC motors coupled to the receiver circuits and provide an indication of the expected power consumption to the transmitter circuitry. The transmitter circuitry can detect a fault based on a comparison between the transmitted FMP and the power consumption and terminate transmission of the FMP in response to detecting the fault.

The invention discloses a vehicle-mounted communication system based on a distributed architecture and a vehicle, and relates to the technical field of communication, a plurality of edge computing devices are respectively configured as root ports and end nodes, and high-speed connection between the root ports and the end nodes is realized by utilizing a PCIe switch, so that the characteristics of high bandwidth and low delay of PCIe can be fully utilized, and the communication efficiency is improved. The data transmission efficiency is greatly improved, so that the fluency of the vehicle-mounted computing platform in processing a large amount of data is guaranteed, the root port is provided with the shared storage space, the root port and the end node can directly perform data transmission in the shared storage space through the PCIe switch, intermediate links of data transmission are further reduced, and the transmission delay is reduced. Therefore, the problem that the communication efficiency is reduced due to the fact that blocking is prone to occurring under the condition of large-batch data throughput under communication interconnection of the Ethernet can be solved, and the technical effect of improving the communication efficiency is achieved.

The invention relates to the technical field of industrial control systems, and discloses a multi-axis multi-slave-station industrial control system, which comprises an upper computer; the master station is communicated with the upper computer through an Ethernet transmission control protocol; a plurality of extended slave stations, each of which is independently connected to the master station and communicates with the master station by using a CANFD communication protocol; wherein the master station and the extension slave station respectively comprise a multi-axis driving unit, and at least the master station comprises an IO control unit, so that the extension slave station can be in communication connection with the master station only through a CANFD transceiver chip. According to the invention, the master station communicates with the upper computer through an Ethernet transmission control protocol, the master station communicates with the slave station through a CANFD protocol, the slave station only needs a single CANFD transceiver chip, and both the master station and the slave station comprise a multi-axis driving unit, so that efficient communication with low cost is realized.

The invention relates to the technical field of computer hardware and network communication, in particular to a high-speed I / O (input / output) virtualization server based on an FPGA (field programmable gate array) and a remote forwarding method.The high-speed I / O virtualization server comprises an FPGA chip, a network processing unit, an I / O protocol processing unit, a protocol conversion and scheduling unit, a time sequence and transaction management unit and a data buffering and flow control unit are integrated in the FPGA chip; the optical fiber Ethernet interface module comprises a physical layer interface and an MAC layer processing and network configuration interface; the local I / O interface module comprises a USB interface circuit, a serial port interface circuit, a PCIe interface circuit and an interface expansion connector; the power supply and monitoring module comprises a multi-path power supply management system, a state monitoring and diagnosis system and an LED indication system; according to the self-adaptive Baud rate detection circuit, the Baud rate can be accurately locked under the condition that data with less than two characters is received, the number of data bits, the type of a check bit and the length of a stop bit are automatically identified, and compared with a traditional microcontroller scheme, the self-adaptive Baud rate detection circuit has higher precision and higher detection speed.

The invention relates to a data processing method and device, electronic equipment, a storage medium and an automobile, and relates to the field of data processing.The method comprises the steps that when terminal equipment is in communication connection with the automobile, an Ethernet original message is obtained from the automobile; extracting a real-time protocol message from the Ethernet original message; extracting theme information from the real-time protocol message; determining a message type corresponding to the real-time protocol message; and when determining that the real-time protocol message is valid data according to the theme information, analyzing the real-time protocol message according to the message type and a preset user-defined standard file to obtain an analysis result. According to the invention, real-time analysis of the DDS data is realized, and the analysis and test efficiency of test personnel on the DDS data is greatly improved.

The invention belongs to the technical field of Ethernet high-speed interconnection, and provides a high-speed low-delay 10-gigabit switching method and system based on an FPGA, and the method comprises the steps: receiving Ethernet data frames, storing effective data frames in a data caching module, and generating a caching write-in address and a control signal; reading a destination address, a source address and a type field of the analyzed data frame from the data caching module, and updating a forwarding address table through a dynamic learning mode or a preset mode; based on the updated forwarding address table, a three-level assembly line framework is adopted to complete address searching; reading the data frame from the cache according to the forwarding decision, repackaging the Ethernet header information and the check code, and controlling the sending standard rate; and meanwhile, the sending rate is dynamically adjusted, and VLAN division, port rate and queue scheduling parameters are optimized in combination with an external configuration command. According to the invention, the onboard processor is utilized to cooperate with the FGPA to realize the fast search of the forwarding table, the residence time of the data packet in the switching unit is reduced, and the operation efficiency of the side application is improved.

The present application relates to a device and method for monitoring and early warning Low-power-consumption landslide collapse based on time division multiplexing, comprises: a camera equipment is configured to obtain monitoring images; a RF front-end is configured to transmit and receive radar signals; an intelligent sleep equipment is configured to set sleep time and power down the equipment(s) connected to it to put into sleep mode when the device requires working in a low power consumption mode; a signal processing equipment is configured to realize interference measurement and Doppler detection in a time division multiplexing manner and generate early warning or forecast information; a 5G equipment and an Ethernet port are configured to send the measurement results and monitoring images to a mobile terminal or host computer. The present application realizes the joint work of Doppler detection and interference measurement within one radar device through adaptive time division multiplexing.

The invention relates to the technical field of image recognition analysis, in particular to an indoor safety monitoring system and method based on image recognition, and the system comprises a plurality of modules and a lower setting unit, an image collection module selects a high-frame-rate and high-resolution camera, and is connected with a rear-end processing device through a USB, Ethernet or Wi-Fi communication interface; according to the scheme, after an owner receives an alarm and checks monitoring content, the owner can manually cancel the alarm through visual judgment of a door condition, after the alarm is cancelled, the system automatically enters the dangerous action capture module, and the module focuses on danger assessment of personnel actions and temporarily ignores other processes such as personnel identity recognition within a certain time after being started, so that the system is more convenient to use. During the period, if a new person enters the monitoring area, the system only carries out dangerous action capture, such setting can filter a large amount of alarm information generated due to frequent person contact to a certain extent, reduce interference to owners, and ensure that potential dangerous actions are kept alert at the same time.

Provided in the embodiments of the present application are a multi-control storage array, a storage system, a data processing method and a storage medium. The storage array comprises a four-control storage module, which comprises two groups of controller pairs and a storage expansion disk cabinet, wherein the two groups of controller pairs are connected on the basis of the Ethernet; either of the two groups of controller pairs comprises two controller nodes, and each controller node is connected to the storage expansion disk cabinet so as to perform shared access to the storage expansion disk cabinet; and a cache unit is provided in each controller node, any controller node determines, after responding to a data write request, a target mirror controller node corresponding to the controller node, and a cache mirror of the controller node is stored in a cache unit of the target mirror controller node.

A network interface module for coupling a host device to a switched network as a network node is described. The network interface module comprises a single half-duplex port for communicatively coupling to a shared bus of the switched network, at least one frame queue sized to store one multicast read frame received via the shared bus, and logic circuitry. The logic circuitry is configured to decode a read command for the interface module included in a payload of the multicast read frame that includes multiple read commands for other network nodes of the switched network, and transmit a response frame including read data on the shared bus when detecting the shared bus is available for transmitting.

An enhanced lighting control system is provided that utilizes updated communications technology to provide a cost and resource efficient lighting control system that allows for a retrofit installation into existing lighting systems. The lighting control system utilizes single pair ethernet connection protocols, as well as a pulsed power source, to enable the efficiencies.

The invention provides an Ethernet network card fault prediction and recovery method and related equipment, and the method comprises the steps: carrying out the feature fusion of a network card physical layer parameter, a protocol stack flow parameter and environment interference data of an Ethernet, and generating a joint feature vector; determining a quantile prediction matrix corresponding to the network card key performance index according to a dynamic quantile prediction model constructed based on the joint feature vector; analyzing a node fault probability according to the quantile prediction matrix, and determining a high-risk node list based on a preset dynamic entropy threshold; constructing a dynamic tree network model through the high-risk node list, and generating a candidate recovery scheme set based on physical switching and protocol reconstruction; and optimizing the candidate recovery scheme set through an improved genetic algorithm, and outputting a global optimal recovery scheme. Through the implementation of the scheme of the invention, the potential risk can be predicted before the fault occurs, the optimal recovery path can be quickly matched, and the stability of the network and the continuity of the service are ensured.

A human-interface module (HIM) for an industrial automation system includes processing circuitry, and a memory, accessible by the processing circuitry, the memory storing instructions that, when executed by the processing circuitry, cause the processing circuitry to perform operations including receiving instructions to control one or more industrial automation devices of the industrial automation system via a cloud-based computing system or a mobile computing device communicatively coupled to the HIM. The operations may also include generating one or more control signals based on the instructions, transmitting the one or more control signals to the one or more industrial automation devices via an Ethernet connection, receiving process data associated with the one or more industrial automation devices, and transmitting the process data to the mobile computing device.

The invention discloses a rapid communication and redundancy control method for an AGC substation of a distributed photovoltaic power station, and the method comprises the following steps: S1, receiving an automatic power generation control instruction from a power grid dispatching system in parallel and uploading real-time operation data of the photovoltaic power station through two independent communication links; according to the invention, the reliability and robustness of the system are fundamentally improved; by constructing a physical basis of parallel work of two paths of independent communication links and combining real-time state monitoring and a millisecond-level rapid switching mechanism, the method thoroughly changes the fragile situation that the whole substation is disconnected and the function is paralyzed due to a single communication channel or a power supply fault of a traditional system; when the main optical fiber link is interrupted due to construction damage or equipment failure, the system can automatically and seamlessly switch all communication services to the standby Ethernet or wireless link without depending on manual intervention, and it is ensured that the transmission path of the scheduling control instruction is always smooth.

The invention relates to a virtual local area network configuration method and device based on an Ethernet gateway controller, equipment and a medium. The method comprises the following steps: acquiring vehicle multi-dimensional state data and calculating a network reconstruction demand degree through an Ethernet gateway controller, and generating a reconstruction trigger signal when the demand degree exceeds a threshold value; responding to the signal, dynamically selecting an optimal VLAN configuration template from a preset library by adopting a reinforcement learning strategy, and generating a configuration scheme with space-time constraint in combination with network topology; the risk level is analyzed and evaluated based on the scheme and the entropy value of the network topology, a configuration instruction sequence for risk optimization is generated, and the configuration instruction sequence is reliably issued to target equipment through a security protocol; a sensing-decision-execution-verification closed-loop control system is formed by verifying the configuration effect through the nodes and triggering a rollback mechanism when the configuration is abnormal, accurate triggering, intelligent decision, safe execution and reliable recovery of configuration of the vehicle-mounted network in a complex dynamic environment are achieved, and the network resource utilization rate, the safe response speed and the system reliability are remarkably improved.

The utility model relates to a concentrator communication unvarnished transmission circuit and equipment based on Ethernet interface instant configuration and capable of being compatible with various devices, and the circuit comprises a general control module which is used for achieving the configuration setting of the Ethernet for various devices; the channel modules are connected with the master control module and used for configuring interfaces connected with different devices; the network module is connected with the master control module and is used for realizing network remote configuration of the channel module; the CAN communication module is connected with the master control module and is used for realizing upper control; the storage module is connected with the master control module and used for storing the operated control program and data, and the storage module is further in bidirectional data connection with the CAN communication module; and the power supply module is connected with the master control module and is used for supplying power to all the modules. Therefore, the compatibility of the equipment is improved, remote unified management is realized, the configuration process is simplified, and the security and stability of the system are enhanced.

The invention discloses a commercial building electricity comprehensive energy-saving control device, and relates to the technical field of building energy management, the commercial building electricity comprehensive energy-saving control device comprises a comprehensive energy service cloud platform, an air conditioner energy router and an intelligent terminal, the comprehensive energy service cloud platform is in signal connection with the intelligent terminal through the air conditioner energy router; the integrated energy service cloud platform is communicated with the air conditioner energy router through the Ethernet, 4G and NBIOT; the air conditioner energy router is used for providing a traditional gateway data forwarding function and undertaking local data storage, fusion and terminal equipment management. From the perspective of energy efficiency, firstly, a perfect energy efficiency index of the central air-conditioning system is put forward, on this basis, a specific energy consumption optimization strategy is researched from links such as a cold and heat source system, a water system and a terminal system, and finally, from the whole building, operation mode adjustment based on self-learning optimization is achieved in combination with a load prediction model. And comprehensive energy-saving control of electricity utilization of commercial buildings is realized.

The application provides a test method for intelligent auxiliary driving test, constructs a test problem description grabbing model, directly collects signals uploaded by an intelligent vehicle in real time through a vehicle-mounted Ethernet and a CAN FD direct connection interface without using other data interfaces, triggers a test problem description reporting process once abnormal signals are monitored, and ensures that the vehicle meets safety requirements of real vehicle road test.