74 results about "Ethernet protocol" patented technology

The invention discloses a link auto-negotiation implementation method based on an Ethernet protocol, and relates to the technical field of link negotiation, and the method comprises the steps: according to an identifier of a SerDes IP protocol configuration register, judging and instantiating an auto-negotiation subsystem; configuring and sending an auto-negotiation frame through page data of the static random access memory; executing auto-negotiation state machine management, and negotiating to determine an optimal link parameter based on a page exchange and signal analysis result with opposite terminal equipment; monitoring link quality indexes of a plurality of channels in real time through a microcontroller; and according to a negotiation result, parameters of a sending end and a receiving end of the SerDes are reconfigured, and an external system chip is informed of final link parameters through an interrupt controller, so that link auto-negotiation and system initialization are completed. The problems of low link negotiation efficiency and poor link performance and stability in the prior art are solved.

The invention provides a friction welding process control method and system for a tail lamp support, and relates to the technical field of friction welding, and the friction welding process control method comprises the steps that a multi-mode sensing unit is integrated at the tail end of a welding mechanical arm, comprises a six-dimensional force sensor and a thermal infrared imager, and is connected to a control middle table through an industrial real-time Ethernet protocol; in the beat synchronous reciprocating welding machining process, multi-physics field coupling data low-delay uploading is carried out; welding control offset prediction is carried out, and a six-degree-of-freedom pose offset vector is output; solving the joint angle compensation amount, and correcting the joint space of the welding mechanical arm; performing time sequence accumulation analysis, and outputting a look-ahead intervention compensation parameter; and performing joint space dynamic intervention compensation. The technical problems that in the prior art, a real-time feedback and dynamic compensation mechanism is lacked, welding deviation cannot be effectively corrected to a certain degree, the welding process cannot be efficiently completed, and the production cycle and the production cost are affected are solved.

The invention relates to the technical field of integrated control systems, in particular to an integrated control system and method for hollow filter stick forming equipment, and the method comprises the steps: taking an embedded controller for running a real-time operating system as a control decision module, and carrying out the unified execution of all control algorithms; an Ethernet protocol with microsecond-level period and precise clock synchronization is used as a real-time communication module to form a system backbone network; the execution and acquisition layer integrates a motion control module composed of a servo driver and a motor as a network slave station, a signal interaction module composed of a distributed I / O module, and a subsystem integration module formed by bridging a third party subsystem through a communication gateway. According to the system, all key units are deeply integrated into the same real-time network as slave stations, so that centralized management, real-time synchronization and refined closed-loop control of the whole system are realized.

The invention discloses a control method and device for an industrial robot, an industrial robot system, a storage medium and a computer program product, and the method comprises the steps: constructing a distributed control architecture based on an industrial Ethernet protocol, taking a master control module as a master station, taking a plurality of robot modules comprising the industrial robot and corollary equipment as slave stations, and carrying out the control of the industrial robot; the master station communicates with the slave stations through an industrial Ethernet protocol; a communication signal address of the corollary equipment is configured, and robot operation point position teaching is carried out through a graphical interface; automatically generating a process package program according to the communication signal address and the demonstrated point location information; and the master station issues a process package program and a control instruction to each robot module through an industrial Ethernet protocol so as to realize linkage control of a plurality of industrial robots. According to the scheme, effective management and control of the operation state of the whole line and quick response of faults are achieved, and the requirements for efficient, flexible and stable operation of the production line are met.

A gateway (2) for a fieldbus system (100), wherein the gateway (2) comprises a first processor (6) with a first operating system (62), a second processor (7) with a second operating system (72) which is different from the first operating system (62) and has a virtual Ethernet interface (73), and an inter-processor communication interface (9) which is designed to enable an Ethernet protocol-based inter-process communication between the first operating system (62) and the second operating system (72) using the virtual Ethernet interface (73).

A mediator comprises a mediator controller comprising an Industrial Ethernet protocol module, at least one Ethernet APL protocol module, and a translator module connected to the Industrial Ethernet protocol module and the at least one Ethernet APL protocol module. The Industrial Ethernet protocol module interprets Industrial Ethernet data provided via a first SPI interface and allocates Industrial Ethernet services. The at least one Ethernet APL protocol module interprets Ethernet APL data made available via a further SPI interface and allocates Ethernet APL services. The translator module connects the Industrial Ethernet services and the Ethernet APL services to one another and coordinates them in terms of time.

The invention relates to a switch having a switch control unit (38), which has an industrial Ethernet protocol module (381), at least one Ethernet APL protocol module (383, 384), and a conversion module (382), which is connected to the industrial Ethernet protocol module and to the at least one Ethernet APL protocol module, the industrial Ethernet protocol module (381) parses industrial Ethernet data provided via the first SPI interface and is assigned to an industrial Ethernet service, and wherein the Ethernet APL protocol module (383, 384) parses Ethernet APL data provided via the further SPI interface (40) and is assigned to an Ethernet APL service, and wherein the industrial Ethernet protocol module (381) parses the industrial Ethernet data provided via the first SPI interface and is assigned to an industrial Ethernet service, and wherein the Ethernet APL protocol module (383, 384) parses Ethernet APL data provided via the further SPI interface (40). The translation module (382) associates and coordinates the industrial Ethernet service and Ethernet APL service with each other in time.

Method (500) implemented using a network interface control circuit (110), wherein the network interface control circuit (110) is intended for use with a physical medium, the physical medium being intended for use in an Ethernet protocol frame transmission between the network interface control circuit (110) and a remote device, the method comprising: Receiving (502) Ethernet protocol frame data via the physical medium, wherein the Ethernet protocol frame data includes at least an alignment marker and data associated with triggering a timestamp; Acquiring (504) the data associated with triggering the timestamp; triggering (522) the timestamp based on the data associated with triggering the timestamp; and Remove (524) at least one alignment marker from the Ethernet protocol frame data after triggering (522) the timestamp.

The application provides an electrical control system and parallel scheduling method of a large gear automatic welding workstation, belongs to the field of automatic welding equipment and intelligent manufacturing technology, the method controls two riveting and welding platforms to alternately perform welding, turning over and feeding and discharging through a central controller, and realizes no-waiting alternate operation by using area interlocking and pre-switching logic; combined with demonstration-free visual guidance welding and mobile base control, it ensures continuous operation of the welding robot and guarantees that multiple mobile work equipment do not interfere and collide; the central controller opens an industrial Ethernet protocol interface, collects welding parameters in real time and uploads them to an MES system, realizes data tracing and remote monitoring. The application solves the problems of low utilization rate, weak multi-variety adaptability, weak collaborative control ability and insufficient data collection and networking ability of the existing large gear welding workstation equipment.

AI system comprehensive: a first server device comprehensive: a first host central processing unit; a first PCIe switch coupled with the first host central processing unit; a plurality of first AI accelerator devices coupled with the first PCIe switch; an input network interface configured to receive information using a task ID from a second server device configured with an Ethernet protocol; an intranetwork value interface configured to communicate from one or more of the plurality of first AI accelerator devices to one or more of a plurality of second AI accelerator devices, such that the communication uses one or more task IDs without communicating directly or indirectly from a second host central processing unit; an output network interface configured to transmit information to the second server device using one or more task IDs via the Ethernet protocol; and a second PCIe switch configured to couple the second host central processing unit with the majority of second AI accelerator devices, the output network interface, and the intra-network value interface.

A method of operating a session management function SMF entity of a wireless communication network may be provided. An Ethernet context for a wireless terminal may be received from a first user plane function UPF entity, wherein the Ethernet context is provided for an Ethernet Protocol Data Unit PDU Session for the wireless terminal using the first UPF entity, and wherein the Ethernet context includes a Medium Access Control MAC address for the wireless terminal. The Ethernet context including the MAC address for the wireless terminal may be transmitted to a second UPF entity. Related methods of operating user plane function UPF entities of a wireless communication network may also be provided.

The application relates to a data transmission method and device based on a vehicle-mounted Ethernet protocol and a storage medium, and belongs to the technical field of intelligent automobile controller software development. The method comprises the following steps: receiving target data sent by a service end through a vehicle-mounted Ethernet protocol; the protocol type of the vehicle-mounted Ethernet protocol is determined based on the length of the target data; based on the protocol type, frame loss detection and integrity check are performed on the target data; in the case that frame loss or integrity check failure occurs, abnormal data frames are determined; and the service end is requested to resend the abnormal data frames. The data transmission method based on the vehicle-mounted Ethernet protocol can adopt two transmission mechanisms of single packet and multiple packets, can cover transmission of different data sizes, avoids IP layer fragmentation, reduces transmission delay, and establishes a frame loss resending mechanism when data frame loss or check failure occurs, thereby improving transmission reliability.

The application discloses an Infiniband protocol conversion method and system, and relates to the technical field of computer network communication, and comprises the following steps: receiving an SMP data packet, initializing a hop count counter and a hop count pointer; performing routing decision based on the values of the hop count counter and the hop count pointer to forward the SMP data packet; and sending the SMP data packet to an Ethernet transceiver by an IB link layer subnet management agent node to convert the SMP data packet into an Ethernet data packet for forwarding. The application realizes lossless conversion between Infiniband and Ethernet protocols and supports long-distance RDMA communication across data centers.

The present disclosure relates to systems and methods for communicating in an Ethernet-based network using a transport layer without assistance of software-controlled mechanisms. In some embodiments, a first node includes a hardware link timer configured to determine packets transmitted under the transport layer hardware only Ethernet protocol to replay. The hardware link timer can include a first-in-first-out (FIFO) memory configured to store timing and status information associated with one or more links established by the first node. The hardware link timer can further include a timer associated with the one or more links that ticks according to a time period.

The invention relates to a gateway (2) for a field bus system (100), wherein the gateway (2) comprises a first processor (6) with a first operating system (62), a second processor (7) with a second operating system (72) which is different from the first operating system (62) and has a virtual Ethernet interface (73), and an interprocess communication interface (9) which is designed to enable an Ethernet protocol-based interprocess communication between the first operating system (62) and the second operating system (72) using the virtual Ethernet interface (73).

The application discloses a kind of high-performance CPU-GPU collaborative processing architecture of audio integrated signal processor, belong to audio integrated signal processing technical field, this architecture is based on dynamic priority scheduling model, through hierarchical resource management and protocol level optimization, the efficient cooperation of CPU and GPU is realized, hardware layer uses multi-GPU cluster and distributed storage node, support high concurrency task processing;Transport layer fuses RapidIO and Ethernet protocol, respectively adapts short frame control signal and long packet data stream;Application layer calculates task resource demand by dynamic priority weight, and combines normalization allocation algorithm to guarantee the low latency of key task.The architecture in the scene of audio signal processing, task scheduling efficiency is improved by 40%, short frame transmission delay is as low as 0.5, long data stream throughput reaches 100Gbps, can satisfy the real-time and calculation accuracy demand under complex acoustic environment.

The application provides a terminal Ethernet scheduling method, system, storage medium and computer, the method comprises the following steps: when a message sending task is acquired, packet data in the message sending task is encapsulated to obtain an encapsulated packet; the encapsulated packet is sent to a buffer queue, and the encapsulated packet in the buffer queue is sent according to its priority based on a trigger signal of a switch; when a message event is received, a current operation mode is judged; if the current operation mode is an interrupt receiving mode, packet data corresponding to the message event is broadcast to all listening tasks through a message mailbox, and the listening tasks are processed according to their priority order. The application mainly improves the sending message queue management and data storage management, and provides two Ethernet packet receiving mode selections, so that the delay caused by repeated data copying in the traditional Ethernet protocol stack layer processing is avoided.

The application discloses a lossless Ethernet simulation model, containing a terminal simulation model, the terminal simulation model including a port binding control model, a terminal switching model, an RDMA model, an Ethernet protocol model and an APP application model; the port binding control model is used for controlling an Ethernet interface and transmitting and receiving each frame; the terminal switching model is used for supporting two-layer switching of Ethernet data frames and RDMA data frames and supporting PFC flow control; the RDMA model is used for realizing RDMA RoCEv2 protocol transmission and reception of RDMA messages and ECN congestion notification functions; the Ethernet protocol model is used for realizing TCP / IP, UDP protocol and ECN congestion notification functions of Ethernet messages; and the APP application model is used for generating RDMA messages and Ethernet messages according to content of a configuration file and defining priorities of each message. The application provides a reliable tool for design and optimization of a lossless network.

The invention relates to the technical field of vehicle-mounted Ethernet testing, in particular to a method for automatically testing the protocol consistency of a vehicle-mounted Ethernet. The method comprises the following steps: acquiring multi-controller protocols of a network layer, a transmission layer, a session layer, a presentation layer and an application layer in a vehicle-mounted Ethernet controller such as 10 base-T1, 100 base-T1 / TX and 1000 base-T1; the method comprises the following steps: connecting a vehicle-mounted Ethernet controller with test equipment, and debugging data of multiple controllers; debugging a test project in the test equipment, and verifying whether the script logic is consistent with the TCB specification or not; checking case triggering conditions, interaction processes and judgment standards; running the debugged test project, and synchronously scheduling each channel for parallel test in a multi-controller test scene; after the test is completed, automatically exporting a content analysis report and a log containing Ethernet packet capture data and environmental parameters; and according to a report viewing result, analyzing a test failure item reason in combination with a log.

The invention discloses a DoIP gateway architecture under an AUTOSAR CP architecture, a communication method of the DoIP gateway architecture and a vehicle. The DoIP gateway is connected between the Tester end and the DoIP node, the DoIP gateway comprises an Ethernet protocol stack, a DoIP-Server module, a DoIP-Client module and a PDuR module, the Tester end is connected to the DoIP-Server module through the Ethernet protocol stack, the DoIP-Server module is connected to the DoIP-Client module through the PDuR module, and the DoIP-Client module is connected to the DoIP node through the Ethernet protocol stack. According to the invention, under the architecture of the AUTOSAR CP, the function of converting the UDSonDoIP into the UDSonDoIP and the function of converting the UDSonDoIP into the UDSonDoIP from the UDSonDoCAN are realized.

This invention discloses a control method and system for a distributed motion controller, relating to the field of motor control technology. The method includes: acquiring operational data from the motion controllers of each production line via real-time Ethernet and processing the acquired data; performing fuzzy inference based on the underlying single-axis servo fuzzy controller of the motion controller to obtain position feedforward compensation time and distributed clock phase adjustment; performing fuzzy inference based on the upper-level production line collaborative fuzzy scheduler of the main controller to obtain speed multipliers and global command timestamp offsets; generating motor control commands conforming to the real-time Ethernet protocol; and using a distributed clock synchronization mechanism to synchronously adjust the operating parameters of the servo motors of each production line. By real-time monitoring and scheduling of the motion controllers of multiple production lines, multiple production lines can cooperate with each other, achieving intelligent dynamic adjustment of the production line system, thereby improving the processing efficiency of the production line system.

The application discloses an implementation method of link self-negotiation based on an Ethernet protocol, and relates to the technical field of link negotiation.The method comprises the following steps: judging and instantiating a self-negotiation subsystem according to the identification of a SerDes IP protocol configuration register; configuring and sending a self-negotiation frame through the page data of a static random access memory; executing self-negotiation state machine management, determining optimal link parameters based on the page exchange with a peer device and the signal analysis result; monitoring the link quality indexes of multiple channels in real time through a microcontroller; reconfiguring the sending end and receiving end parameters of the SerDes according to the negotiation result, and notifying the final link parameters to an external system chip through an interrupt controller, so that the link self-negotiation and system initialization are completed. The method solves the problems of low link negotiation efficiency, poor link performance and stability.

The embodiment of the invention provides a system-on-chip high-speed interface architecture, a working method of the system-on-chip high-speed interface architecture, a chip and communication equipment, and relates to the technical field of SOC chip high-speed interface communication. According to the system-on-chip high-speed interface architecture, a common physical layer module is introduced to replace the mode that independent physical layer modules are configured for a serial fast input and output protocol and a 10-gigabit Ethernet protocol respectively in a traditional design, and the common physical layer module can support physical layer signal transmission of the two protocols at the same time; in combination with the flexible configuration of the working mode and the selective routing of the data path by the control module, the sharing of physical layer resources is realized, thereby effectively reducing the occupation of the chip area, reducing the overall power consumption, avoiding the increase of the development cost caused by the repeated configuration of the physical layer module, and improving the development efficiency. And the resource utilization efficiency and the system integration degree of the chip of the system-on-chip in the high-speed interface design are improved.

The invention provides a star flash SLE and Ethernet protocol matching conversion method and system, and belongs to the technical field of vehicles. The method comprises the following steps: a satellite flash device receives an SLE data frame, wherein the SLE data frame comprises a target MAC, a source MAC, a priority label, a load and a check code; performing data verification according to the verification code, stripping an SLE head in the SLE data frame after the data verification is passed, retaining the source MAC and the target MAC, and taking the load as an effective load of a UDP / IP data packet; according to the source MAC, querying whether there is a corresponding target device IP, when it is determined that there is a corresponding target device IP, adding a UDP / IP header according to the corresponding target device IP, and packaging according to the UDP / IP header to obtain the UDP / IP data packet; and storing the UDP / IP data packet into an Ethernet sending queue according to the priority label. The high-efficiency, low-delay and safe route conversion between the star flash SLE and the Ethernet is realized, and the ultra-low power consumption characteristic of the star flash is reserved.

Methods and apparatuses for a 5G System (5GS) (20) support Dynamic VLAN configuration for a logical Ethernet bridge (24) provided by the 5GS. In at least one embodiment, a User Plane Function (UPF) (22) runs, on a conditional basis, for example, Multiple VLAN Registration Protocol (MVRP) for a User Equipment (UE) (12) establishing or modifying an Ethernet Protocol Data Unit (PDU) session. Running MVRP allows the UPF to learn the VLAN's associated with the UE and correspondingly dynamically configure bridging services. In one or more embodiments. UEs that act as trunk ports are assigned a predefined VLAN ID, e.g., via an Application Function (AF) (32), and, for a UE establishing or modifying a session, a Session Management Function (SMF) (26) indicates the predefined VLAN ID to the UPF, triggering the UPF to run MVRP for the UE.

This application relates to Ethernet terminals or Ethernet forwarding devices that handle unknown unicast flooding, belonging to the field of Ethernet data forwarding control. Upon receiving an unknown unicast, the control component of the Ethernet terminal or Ethernet forwarding device sends a probe message targeting the unknown unicast destination address using the interaction rules of the general Ethernet protocol. This induces a response from the terminal with the unknown unicast destination MAC address. The response message then prompts the Ethernet forwarding device through which it passes to generate a correct MAC forwarding table entry for the unknown unicast destination MAC address. This prevents the Ethernet forwarding device from flooding the unknown unicast when the destination MAC address is being unicasted, thus preventing network congestion and congestion processing by connected Ethernet terminals and Ethernet forwarding devices.

The embodiment of the utility model relates to a TTL (Transistor-Transistor Logic) serial port to Ethernet circuit of a singlechip, which converts TTL serial port data of the singlechip into Ethernet protocol data through a singlechip chip interface circuit, a power supply circuit and a serial port to Ethernet circuit, so as to realize transparent transmission of serial port data of the singlechip and TCP / IP / UDP (Transmission Control Protocol / Internet Protocol / User Datagram Protocol) data. And the equipment can carry out data communication through the network. The high-efficiency transmission and remote management of data are realized, meanwhile, the compatibility of traditional serial port equipment is reserved, a flexible and efficient solution is provided for industrial control and application of the Internet of Things, and the communication types between the single chip microcomputer and the upper computer are increased.

The invention discloses a circuit, a method, equipment and a medium for realizing a sideband interface function of a network controller. The circuit comprises an Ethernet interface, an Ethernet protocol stack chip, a complex programmable logic device, a processor and a management controller, the Ethernet interface is in communication connection with the Ethernet protocol stack chip, the Ethernet protocol stack chip is in communication connection with the complex programmable logic device, and the complex programmable logic device is respectively in communication connection with the processor and the management controller. According to the technical scheme, an Ethernet protocol stack chip, a complex programmable logic device and a general micro control unit (MCU) serving as a BMC are combined to replace a PCIE interface Ethernet controller supporting the NC-SI function and a special BMC supporting the NC-SI function, the NC-SI function can be achieved, and the cost is lower than that of the PCIE interface Ethernet controller supporting the NC-SI function and that of the special BMC supporting the NC-SI function.

The application belongs to the technical field of NC data processing of mechanical manufacturing engineering, and discloses a data frame synchronous communication method, a system and a numerical control machine tool.The data frame synchronous communication method comprises the following steps: adjusting the master station interrupt time to realize master-slave synchronization of a real-time Ethernet protocol EtherCAT; obtaining the clock deviation of the master station and the slave station by using slave station time measurement; and adjusting the master station cycle to stabilize the deviation within half an interpolation period T s / 2.The application proposes a clock synchronization mechanism based on a reference slave station stable sync0.The sync0 is very stable and almost has no jitter, and the jitter is only a few ns.The master station will adjust its trigger time within the interpolation period to adaptively and dynamically solve the packet loss problem caused by the master-slave asynchronization.In addition, the proposed method almost has no increase in calculation and communication load, and only needs to increase 4 bytes within the interpolation period to modify the EtherCAT frame.

The invention provides a protocol converter and a protocol conversion method, and the protocol converter comprises at least one first interface which is used for receiving an Ethernet protocol data packet; at least one second interface, wherein each second interface is used for outputting a CXL protocol data packet; the storage module is used for storing a label-context data file, and the label-context data file records a mapping relation between a plurality of Ethernet labels and a plurality of CXL context data; and the protocol logic conversion device is connected with the storage module, and is used for converting the Ethernet protocol data packet received through the first interface into a CXL protocol data packet by utilizing the label-context data file in the storage module, and outputting the CXL protocol data packet through the first interface. According to the invention, the buffer delay time in the protocol conversion process can be reduced, and efficient conversion between the CXL protocol and the Ethernet protocol is realized.