218 results about "Physical interface" patented technology

The invention discloses a communication system for realizing bidirectional protocol compatibility of an upper computer and a main control module, which comprises a protocol bridging module, an upper computer communication interface module and an inter-module communication interface module, and is characterized in that the protocol bridging module is used for realizing bidirectional analysis and packaging of an upper computer protocol and an internal standard protocol; the protocol bridging module adopts an independent MCU (Microprogrammed Control Unit) processing unit, integrates a protocol analysis unit, a mapping conversion unit and a data encapsulation unit, and is internally provided with a protocol mapping table for the mapping conversion unit and the data encapsulation unit to call; the upper computer communication interface module is used for realizing communication connection between the protocol bridging module and an upper computer, integrates various physical interfaces, and adopts a level and protocol adaptive design to realize seamless butt joint with different types of upper computers; and the inter-module communication interface module is used for realizing communication connection between the protocol bridging module and the main control module, integrates various standard interfaces, and adopts an interface automatic adaptation design to be compatible with interface specifications of different main control modules.

The invention discloses a cross-switch access authentication method for multi-network-port link aggregation, and solves the problems that the existing cross-switch aggregation depends on an LACP (Link Aggregation Control Protocol) or a manufacturer private protocol, the interoperability is poor and a single-point fault occurs. The system comprises a host and a switch, the host is provided with an authentication client, a logic aggregation interface, a physical interface, a state recording and retry module and a data transmission module, and the switch is provided with an access control module. According to the method, a plurality of physical interfaces are aggregated into a logic interface bond0 through static configuration at a host end, and a service IP is configured; and independently operating an authentication client on each physical interface, executing EAP-TLS authentication, and sending a message from the corresponding interface. The interface state is recorded during initialization, if an unauthenticated interface is found, retry is immediately carried out, and meanwhile forwarding of other authenticated links is kept; when the link or the switch fails, the bond0 is automatically switched to other effective links; when the authentication session expires, the host initiates re-authentication, ensuring session continuity.

The invention provides a time-triggered protocol network planning method and system for an aviation power supply system, and a storage medium. The network architecture adopts a hardware-level dual-redundancy design, each communication node is provided with two independent TTP physical interfaces and corresponding TTP daughter cards, and the TTP physical interfaces and the corresponding TTP daughter cards are respectively accessed to a TTP A network and a TTP B network which are logically independent, so that channel-level fault isolation is realized. The planning method comprises the following steps: classifying messages according to power supply system services and defining a transmission period; initializing a cluster and setting time parameters such as a TDMA period and a cluster period; packaging the messages with consistent periods and reserving extension bits in a data structure; and calculating the time slot capacity based on the transmission rate, the node number and the TDMA period, and generating a deterministic message scheduling table. According to the method, high communication reliability is guaranteed through dual-network redundancy, the real-time requirement of various messages such as control and alarm is met through systematic scheduling, the expandability of the network is improved by reserving expansion bits, and the method is suitable for an aviation power supply system with strict communication performance requirements.

The invention relates to the technical field of encoder communication interface circuits, in particular to a multi-protocol encoder communication interface circuit based on hardware configuration, which comprises a core control and protocol processing module, a hardware configuration and mode recognition module, an RS-485 differential driving and receiving module and an interface protection circuit module. In the invention, the problems that the hardware cost is high, the PCB layout is complicated, the overall size of the system is increased, the types of connectors are diversified and the wiring difficulty is increased due to the fact that an independent physical interface circuit needs to be independently designed for each protocol such as BISS and Tamagawa or a special integrated chip with a solidified factory function is adopted in the existing scheme are thoroughly solved; and meanwhile, the problems that chips need to be replaced or hardware needs to be redesigned and the configuration flexibility is poor in the protocol updating of an existing scheme are solved, the time sequence conflict risk existing in software dynamic switching protocols is avoided, and the defects that a traditional circuit is poor in surge resistance, signal crosstalk is caused and debugging and maintenance are complex are overcome.

The invention provides a system platform and method for checking adjustment characteristics of a control system based on semi-physical simulation, and belongs to the technical field of power system control equipment detection. The system comprises an all-digital real-time simulation system (ADPSS), a water turbine governor to be tested, a physical interface communication module, a wave recording device and a signal interaction module. A full-electromagnetic example model constructed based on PSASP is built in the ADPSS, a closed-loop detection environment is constructed through the physical interface communication module and a water turbine governor to be detected, bidirectional signal transmission is achieved through the signal interaction module, and key parameters are recorded through the wave recording device. The method comprises the steps of simulation environment establishment, signal interactive transmission, multi-dimensional detection and check and result judgment and output. According to the method, multi-dimensional checking of the speed regulator acquisition and display function, the transfer function consistency, the grid-connected performance and the like and power grid stability influence verification can be completed without field installation, the coverage scene is comprehensive, the checking precision is high, and the method is suitable for performance detection of different types of speed regulators and has remarkable practical value.

In general, this disclosure describes a network device comprising a physical interface comprising a port and a data path component; a storage device configured to store a power save profile for the network device, wherein the power save profile specifies one or more link down triggers each associated with a power saving action; and processing circuitry having access to the storage device. The processing circuitry may be configured to determine, based on a link fault associated with the port, a link down trigger of the one or more link down triggers specified in the power save profile. The processing circuitry may further be configured to execute the power saving action associated with the link down trigger to reduce power consumed by the data path component.

The invention relates to a plug-in multi-protocol industrial control system and method based on functional unit modeling. The plug-in multi-protocol industrial control system comprises a physical interface layer, a protocol packaging layer, an equipment driving layer, an abstract functional unit layer, an abstract functional module layer, a control logic layer and a configuration driving module. The physical interface layer realizes multi-platform compatibility through a unified asynchronous event interface; the protocol packaging layer integrates a protocol through a plug-in; abstracting a device behavior by a device driver layer, and dynamically binding the device behavior with a functional unit; the abstract function unit layer abstracts equipment functions into standardized function units and realizes two-way communication; the abstract function module layer combines function units into a high-level module and supports dynamic loading and unloading; the control logic layer realizes various flow control; and the configuration driving module analyzes the configuration file to realize configurable operation of the system. According to the system disclosed by the invention, the problems of difficulty in multi-protocol adaptation, poor control logic reusability and low configuration degree are solved through layered communication architecture, protocol plug-in, functional unit abstraction and event-driven mechanisms.

The invention relates to the technical field of integrated circuits and provides a physical IP verification device and method, computer equipment and a medium. The physical IP verification device comprises a first reusable multimode test sequence generator, a verification component physical interface, a second reusable multimode test sequence generator and a verification component serial interface. Therefore, different simulation requirements and scenes such as accelerated simulation efficiency and integrated verification can be considered, protocol consistency verification, functional verification completeness of a physical layer subsystem level and standardized protocol verification are supported, and abundant test vector sets are provided; according to the method, the requirements of butt joint test scenes and completeness verification of different levels such as a transaction layer, a data link layer and a physical layer can be met, debugging interaction interfaces and debugging means with rich levels are supported, different physical interface versions and interface data bus bit widths are supported, and hierarchical and fine-granularity low-power-consumption management is also supported.

The invention provides a water purifier Internet of Things gateway cooperative control system and method based on protocol dynamic analysis and adaptation, belongs to the field of intelligent control of water purifiers, and solves the problems of low intelligent degree, poor collaboration and the like of an existing water purifier Internet of Things system. Comprising a physical interface layer, a protocol dynamic analysis and adaptation layer, a unified data model layer, an intelligent cooperative control engine layer, a trusted data interaction layer and a management configuration layer. The cooperative control system adopts a containerized architecture; the physical interface layer is connected to the water purifier mainboard, the back-end cloud platform and an external system; the unified data model layer constructs a water purifier digital model covering static, dynamic, prediction and interaction dimensions. According to the invention, a water purifier cluster housekeeper integrating protocol, AI decision, federal learning and block chain security is constructed, high flexibility, expandability and reliability are realized through a containerized micro-service architecture, and efficient, energy-saving and intelligent cooperative control of a large-scale and multi-brand water purifier network is achieved.

The invention belongs to the technical field of communication, particularly relates to a self-adaptive connector communication system based on an industrial Ethernet, and aims to solve the problems of communication interruption and poor reliability caused by interface incompatibility, link configuration stiffness and environmental interference in an industrial field. The system comprises a self-adaptive physical interface module, a link state sensing module, a protocol stack dynamic reconstruction module, an environment interference compensation module and a central coordination controller, and automatic interface identification, link parameter dynamic adjustment and active interference compensation are realized through cooperation of multiple modules. According to the scheme, the communication reliability and the environmental adaptability are remarkably improved, millisecond-level interface switching and seamless redundancy switching are supported, and the high-reliability and low-delay communication requirements of industrial automation are met.

This invention discloses a non-embedded UAV information acquisition device and method. The non-embedded UAV information acquisition device includes a shell assembly, a three-mode adapter structure, a standardized physical interface, a main control module, a communication module, a positioning and sensing module, and a power management module. The internal cavity wall of the shell assembly is fitted with an anti-magnetic shielding layer made of permalloy. The three-mode adapter structure is integrated into the bottom of the shell assembly and includes a magnetic suction component, a suspension component, and a screw fixing interface. The standardized physical interface is located on the surface of the shell assembly and uses a gold-plated gold finger contact structure, which is electrically connected to the main control module. This invention enables deployment without disassembly of the UAV through a non-intrusive design while maintaining the UAV's airworthiness. It utilizes edge computing to alleviate cloud scheduling pressure and reduce task latency, and with independent power supply, achieves long endurance and high reliability, making it widely adaptable to various UAV models and harsh operating environments.

The application provides a time-triggered protocol network planning method, system and storage medium for an aviation power supply system. The network architecture adopts a hardware-level dual-redundancy design, each communication node is configured with two independent TTP physical interfaces and corresponding TTP subcards, and is connected to logically independent TTP A network and TTP B network respectively, so that channel-level fault isolation is realized. The planning method comprises the following steps: classifying messages according to power supply system services and defining transmission periods; initializing a cluster and setting time parameters such as a TDMA period and a cluster period; packing messages with consistent periods and reserving extension bits in a data structure; calculating time slot capacity based on transmission rate, node number and TDMA period, and generating a deterministic message scheduling table. The application guarantees high communication reliability through dual-network redundancy, meets the real-time requirements of various messages such as control and alarm through systematic scheduling, improves the scalability of the network through reserved extension bits, and is suitable for aviation power supply systems with strict communication performance requirements.

The invention relates to a 5G signaling plane traffic screening method based on a multi-core processing unit, and the method comprises the steps: receiving network mirror image traffic through a physical interface unit, and screening out transmission control protocol traffic; the switching chip unit identifies HTTP / 2 protocol traffic from transmission control protocol traffic according to a target port number or an application layer protocol handshake feature, and forwards the HTTP / 2 protocol traffic to the multi-core processing unit; the binary framing structure of the HTTP / 2 protocol is analyzed, a data frame and a control frame are distinguished, and an HTTP request head is restored; analyzing and decoding an HTTP request header, and extracting a pseudo header field of a uniform resource identifier path in the HTTP request header; generating a traffic filtering rule corresponding to the service signaling traffic bearing the specific network function; and issuing the generated flow filtering rule to a switching chip unit, and outputting specified 5G signaling plane flow. The method automatically adapts to the dynamic change of the 5G network element, and effectively solves the problem of traffic loss or inaccuracy caused by difficult maintenance and untimely updating of the static work parameter data.

The invention provides a data transmission method and device, which can simplify the processing flow of mapping a client signal to a B1T physical interface, reduce the processing cost during client signal mapping and improve the performance of a system. The method comprises the following steps: mapping a client signal to I first data frames, mapping the I first data frames to a second data frame, and sending the second data frame. The ith first data frame in the I first data frames comprises Ni first instances, each first instance in the Ni first instances comprises a first overhead, the first overhead is used for identifying or monitoring the ith first data frame, I is an integer greater than or equal to 1, Ni is an integer greater than or equal to 1, and i = 1, 2, 3... I; the second data frame includes M second instances, where M > = N1 + N2 + N3... + Ni.

The invention discloses a communication control device and method for a new energy automobile industrial personal computer and a PLC and a vehicle, and the device comprises the industrial personal computer which serves as a core control unit, operates upper control software and upper software, is used for building communication connection with other assemblies, achieves the data receiving, processing and monitoring, and achieves the instruction issuing. The plurality of independent network cards are installed in the industrial personal computer and are industrial-grade RJ45 network cards, the number of the independent network cards is matched with data types, physical interfaces are mutually independent, and the independent network cards are respectively used for transmission of motor data, vehicle data and PLC data to avoid data interference. According to the invention, transmission paths of motor data, vehicle data and PLC data are separated by setting an industrial-grade independent network card with an independent physical interface, data interference is avoided from a hardware level, and stability and high efficiency of various data transmission are guaranteed by combining targeted communication protocol selection.

The application discloses a wireless module air interface maintenance method, comprising a maintained wireless device and an operation and maintenance auxiliary device, and comprises the following steps: step one: the operation and maintenance auxiliary device starts an AP mode on a wireless channel C; step two: the maintained wireless device periodically broadcasts a first management frame on the wireless channel C; step three: after receiving the first management frame, the operation and maintenance auxiliary device replies a second management frame to the maintained wireless device, and starts a wireless client mode after a certain time; step four: after receiving the second management frame, the maintained wireless device extracts a second user information element, and then starts an AP mode; and step five: the operation and maintenance auxiliary device and the maintained wireless device establish a wireless connection, and perform maintenance instruction interaction based on the wireless connection. The application solves the maintenance problem of sensors without a physical interface in actual use, and has the characteristics of simplicity and safety, and is convenient to implement.

The invention belongs to the field of data testing, and particularly discloses an industrial signal automatic testing method and system supporting voice guidance and configuration decoupling, and the method comprises the steps: configuring related parameters of a signal channel, and generating a structured configuration file; when the system is initialized, the configuration file is analyzed to obtain an analysis result, a mapping relation with the signal channel identifier as a key is constructed according to the analysis result, and decoupling of a service signal and a physical channel is achieved based on the signal channel identifier; determining a signal channel selected by a user, and executing an automatic test process based on the signal channel; generating a voice instruction according to the mapping relationship, and guiding the test user in real time based on the voice instruction so as to connect the measurement equipment with the physical interface corresponding to the current test channel; and performing calculation, judgment and structured storage on measured values acquired in the test process to generate a structured test report. According to the invention, the efficiency and accuracy of data testing can be improved, and the labor cost is reduced.

The invention belongs to the technical field of antenna array surfaces, and discloses an electricity and liquid comprehensive transmission carbon fiber integrated antenna skeleton. The device comprises a metal transition block, a flow channel, an embedded part, an upper shell and a lower shell, the metal transition block serves as a physical interface for installation of external equipment, the external equipment is assembled on the metal transition block, and meanwhile the external equipment is inserted into the liquid cooling connector to form a cooling loop. The embedded part provides an external mounting interface for the electro-hydraulic comprehensive transmission carbon fiber integrated antenna framework; the runner is pre-buried in an interlayer structure formed by the upper shell and the lower shell; and the metal transition block is connected with the upper shell through a rubber screw. A traditional metal framework is designed into a composite sandwich structure framework formed by combining a plurality of parts, external equipment installation can be simplified, the weight of a radar system is reduced, the structural bearing capacity is improved, and the system integration degree is improved.

The application provides a gateway device interface configuration matching method, comprising the following steps: adding all interfaces of a switching module in a gateway device to a bridge established on a first network port, simultaneously configuring a first virtual local area network, confirming a candidate interface ID list according to the interfaces in the switching module, obtaining an initial network interface type list corresponding to the candidate interface ID list according to the candidate interface ID list, obtaining a target connection state corresponding to all interfaces of the switching module in the gateway device, and matching the interface configuration of the switching module in the gateway device according to the target connection state. The application keeps the network port name on the main controller unchanged, and dynamically binds the network port in the main controller and each physical interface of the switching module according to the connection condition, realizes the network port automatic adaptation function, makes the interface configuration matching more accurate, and makes the main controller use the fixed interface uniformly, so that additional processing is not needed, the operation is convenient, and the efficiency of network developers is improved.

The invention provides a communication method and related equipment, which are used for avoiding network congestion. The communication method applied to the forwarding equipment comprises the steps that a first corresponding relation is acquired based on a first interface and a first slice, the first interface is a physical interface communicating with first access point AP equipment, and the first corresponding relation comprises the first interface and a logic interface corresponding to the first slice; based on a second interface and the first slice, a second corresponding relation is obtained, the second interface is an interface for communication between the first AP equipment and the first user side, and the second corresponding relation comprises the second interface and a logic interface corresponding to the first slice. And sending first service data to the second interface based on the first slice, wherein the first service data comprises one or more parameters matched with the first slice.

The invention relates to the technical field of integrated circuits and provides a verification platform for PCIe6. The invention provides a universal physical layer intellectual property core verification platform under PCIe bus protocol specifications, which can adapt to the improvement of the highest transmission rate and the maximum transmission bandwidth supported by the PCIe6 protocol, and can adapt to the customization requirements from the interface bandwidth, the clock mode and the working mode to the physical interface version proposed by rapid iterative development; the object-oriented expandability and the support for multiple modes and polymorphism are provided; the loss that a set of special directional verification platform needs to be developed again after the chip design or verification scheme is adjusted each time is avoided, the updating cost of project early-stage development and middle and later-stage iterative maintenance is reduced, the human input of the whole project is saved, and the chip research and development period of the whole project is shortened.

This invention belongs to the field of telecommunications technology, specifically relating to a mobile terminal management and control method based on a Type-C interface, comprising the following steps: mobile terminal access, initialization management, mobile terminal borrowing, offline use, and mobile terminal return. When the mobile terminal is accessed, no applications need to be pre-installed; management policies, application installation / uninstallation, and security rule configuration are directly issued via file transfer or protocol commands. When the mobile terminal is used offline, it operates based on a locally pre-built whitelist / blacklist mechanism and an encrypted cache. Upon return, it is automatically and forcibly synchronized to a designated location on the server and then completely cleared from the mobile terminal, effectively ensuring data security. The management system implementing the above management method includes a server, a mobile terminal, and a management device. The management device integrates a main control module, a Type-C physical interface, a USB controller, a data switch circuit, an RFID card scanning module, a network card module, a storage module, and a display and control module.

The invention discloses interactive individual equipment for overhauling a mining truck and a fault diagnosis method, and belongs to the technical field of intelligent operation and maintenance of industrial equipment. The core of the scheme is that a device CAN bus fault code is obtained through a physical interface, dynamic semantic retrieval is carried out through a device knowledge vector library pre-built in local, then real-time data and retrieved related knowledge are fused and input into a generative AI model deployed in an edge computing device, and finally a natural language overhaul suggestion is generated and presented. The method has the main effects that automatic and intelligent conversion from a fault code to a maintenance scheme is realized, the diagnosis efficiency is improved to a minute level from a traditional dozens of minutes of manual consultation, the maintenance problem in mine, underground and other off-line environments is solved through complete localization deployment, the dependence on deep experts is remarkably reduced, and the maintenance efficiency is improved. And the standardization and the safety of the maintenance operation are improved.

This application relates to the field of communication technology, disclosing a multi-physical-channel communication method, apparatus, electronic device, and storage medium. It is applied to a mobile device in a communication system, which also includes an external computing power expansion module. Both the mobile device and the external computing power expansion module integrate multiple physical interfaces. Multiple physical channels are constructed between the mobile device and the external computing power expansion module based on these interfaces. The method includes: acquiring task data of a computational task to be deployed from an AI application running on the mobile device; dividing the task data into multiple data fragments; sending the multiple data fragments to the external computing power expansion module using the multiple physical channels, so that the external computing power expansion module can aggregate the multiple data fragments, execute the computational task based on the aggregated task data, and return the result. This method can increase the available computing power of the mobile device and achieve aggregation of physical layer bandwidth, thereby improving the bandwidth between the mobile device and the external module.

The technology described herein is directed towards a transcoder with bypass capabilities that can be used to couple non-terrestrial network satellites to user equipment (UEs), including by decoding and reencoding data packets at the packet level for existing Satcom interface satellites. A metasurface (reconfigurable intelligent surface, or RIS) redirects signals from the satellite to a satellite radio frequency (RF) interface of the transcoder, with the transcoder also coupled by a UE RF interface to a UE, such as a computing device or cellphone. For a Satcom satellite, the transcoder converts, at the packet level, satellite-originating signals to UE-compliant signals, and converts UE-originating signals to Satcom-compliant signals. For direct-to-device communications, transcoder conversion is bypassed. Various additional functions facilitate such satellite service, including via frequency conversion, doppler manipulation, a repeater, frequency equalization / negative-slope compensation and RIS-related conversion in both the receive mode and transmit mode of the RIS can be used.

The invention relates to an OTA data storage optimization method and system for a vehicle-mounted MCU and a vehicle, and the method comprises the steps: reserving an RAM region in a link script of the MCU, taking the reserved RAM region as a head space of a YAFFS file system layer, and carrying out the memory allocation operation of the head space through a static stack manager; an NAND driving layer is constructed, a command sequence is sent through an SPI peripheral of the MCU, and six physical interfaces are realized; mapping a physical interface of the NAND driving layer into a standardized function pointer which can be identified by the YAFFS file system layer; an OTA storage partition is created in the NAND Flash; a POSIX-like interface is realized in the file system interface layer, and meanwhile, adaptation between the file system interface layer and the user application layer is completed; and deploying five layers of software architecture from top to bottom. According to the invention, the MCU has high data storage management capability in the OTA process.

The invention relates to the technical field of chip testing, in particular to a chip testing method based on multi-protocol burning and self-adaptive testing, which comprises the following steps: acquiring communication establishment time and communication stability rate based on testing modes corresponding to different types of physical interfaces; determining the characteristic state of the chip based on the communication establishment time and the communication stability rate; extracting equivalent impedance factor values of all the chips in the first characteristic state to obtain an impedance threshold value enabling the chips to fall into the first characteristic state, and determining a process drift index of the current batch of chips based on a comparison result of the equivalent impedance factor values and the impedance threshold value; and determining whether the chip process fluctuation is process drift based on the process drift index, and adjusting and determining the critical upper limit value of the characteristic state of the chip. According to the method, through multi-protocol transverse comparison diagnosis, on-chip impedance backstepping and design tolerance-production line threshold dynamic closed loop, accurate excitation of hidden defects and adaptive calibration of process drift are realized.

The embodiment of the invention relates to energy conservation based on link disconnection detection. In general, this disclosure describes a network device comprising: a physical interface comprising a port and a datapath component; a storage device configured to store a power saving configuration file for the network device, where the power saving configuration file specifies one or more link disconnection triggers, each link disconnection trigger being associated with a power saving action; and processing circuitry capable of accessing the storage device. The processing circuitry may be configured to determine a link disconnect trigger of the one or more link disconnect triggers specified in the energy saving profile based on a link failure associated with the port. The processing circuitry may also be configured to perform a power saving action associated with the link disconnect trigger to reduce power consumed by the data path component.

This invention discloses a waterproof structure for a camera handle. The handle's faceplate has a socket for inserting an interface module. The socket is fitted with first and second sealing rings and a contact plate, which has a first interface. The first sealing ring has an inwardly extending rubber protrusion, and the second sealing ring has a first elastic flange extending along the surface of the handle's faceplate. The first sealing ring is tightly connected to the interface module. The interface module is engaged and limited by the first elastic flange. The interface module includes an upper cover, a circuit board, and a lower cover. The upper cover has a physical interface and an indicator light. The lower surface of the lower cover has a second interface that matches the first interface and is used for electrical connection with the first interface. The lower cover has a positioning groove with two conductor plates installed in it. The conductor plates are electrically connected to the circuit board, and the rubber protrusion is inserted between the two conductor plates. This design improves the handle's compatibility and ease of connection to different types of equipment while ensuring waterproof performance.