449 results about "Physical interface" patented technology

The invention provides an industrial control network security service security guarantee system based on behavior analysis, which belongs to the technical field of industrial control network security, and comprises a multi-source data fusion acquisition module, a dynamic behavior modeling engine, a federal learning analysis cluster, an attack chain prediction module, a self-adaptive protection strategy executor and a model evolution feedback ring, wherein the multi-source data fusion acquisition module synchronously acquires industrial control network flow (including OPC UA / Modbus / DNP3 protocol analysis), equipment operation logs, user operation behavior fingerprints and physical interface state data, and the physical interface state data comprises electrical characteristic fluctuation monitoring of USB / network interfaces. According to the scheme, through multi-technology fusion and closed-loop design, the problems of static performance, single-dimension analysis defects and response lag of a traditional industrial control security scheme are effectively solved, a comprehensive protection system with dynamic modeling, intelligent decision making, privacy protection and continuous optimization is constructed, and the security and service reliability of an industrial control network are remarkably improved.

The invention discloses a conference memory enhancement method and device for a conference tablet and a medium, and relates to the technical field of intelligent conference equipment, and the method comprises the steps: collecting multi-modal data in real time based on a preset data collection technology, and coding the multi-modal data into a space-time event stream according to the time sequence of the multi-modal data; identifying handwritten characters on the conference tablet, and extracting a key tag in a speech in combination with a pre-trained natural language processing model to construct a conference knowledge graph corresponding to the current conference; comparing the conference knowledge graph with a historical conference knowledge graph, determining conflict content, and superposing a virtual information layer on a physical interface of the conference tablet; and querying query association information corresponding to the semantic query request based on the conference knowledge graph and the time-space time stream to determine semantic contradictions, and displaying a historical conference evidence chain of the semantic contradictions based on the virtual information layer.

The invention relates to an out-of-band management system based on an intelligent network card, which comprises the intelligent network card, a server and an out-of-band management switch, and is characterized in that the intelligent network card comprises a network card management controller and a switching chip, and the network card management controller is in communication connection with the switching chip; the server comprises a baseboard management controller and a physical interface transceiver, and the baseboard management controller is in communication connection with the physical interface transceiver; the out-of-band management switch is in communication connection with the intelligent network card and the server, and the out-of-band management switch is used for receiving network card state information sent by the intelligent network card and service state information sent by the server. According to the invention, the out-of-band management switch is in communication connection with the intelligent network card and the server, so that the out-of-band management switch can receive the network card state information sent by the intelligent network card and the service state information sent by the server, thereby completing the state monitoring of the intelligent network card and the server. And the out-of-band management of the intelligent network card and the server is simultaneously completed through the out-of-band management switch.

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.

A resource pooling system is provided. The resource pooling system comprises a plurality of resource pools, each resource pool comprises a plurality of resource modules used for processing data or a plurality of resource modules used for storing data, and each resource module comprises an electronic integrated circuit chip with a PCIe physical interface and at least one optical module, the PCIe physical interface of the electronic integrated circuit chip is electrically connected with the electric port of the at least one optical module, and the optical port of the at least one optical module is used as the optical port of the resource module; and a switch having an optical port interconnected with the optical port of each resource module in the plurality of resource pools, the switch being configured to select at least a portion of resource modules from the plurality of resource pools and to transmit signals with the at least a portion of resource modules. The at least one optical module converts a first electrical signal from the PCIe physical interface of the electronic integrated circuit chip into a first optical signal and provides the first optical signal to the switch. And the at least one optical module converts a second optical signal from the switch into a second electric signal, and provides the second electric signal to the corresponding electronic integrated circuit chip through the PCIe physical interface.

The invention provides a multi-device adaptation method and device based on a red-mine system and a bridging device. The method comprises the following steps: completing system initialization and environment configuration; the method comprises the following steps of: scanning a physical interface to detect accessed non-mining red equipment, distributing a unique virtual node ID (Identity) for each non-mining red equipment, inquiring a protocol library according to feature information of the non-mining red equipment, and loading a corresponding data analysis protocol; and performing uplink and downlink bidirectional data conversion through a data analysis protocol. According to the technical scheme of the invention, the protocol conversion and interface compatibility of the non-mine-red equipment are realized, so that the non-mine-red equipment can be accessed to the mine-red network without hardware transformation and can be simulated as the mine-red equipment, and the self-discovery, self-connection and self-networking functions are supported. According to the method, the equipment access process is simplified, the integration cost is reduced, the compatibility and expansibility of the whole mine network system are enhanced, and powerful technical support is provided for promoting mine intelligent construction.

Techniques are described for monitoring network performance and managing network faults in a computer network. A cloud-based network management system stores path data received from a plurality of network devices operating as network gateways for an enterprise network, the path data collected by each network device of the plurality of network devices for one or more logical paths of a physical interface from the network device over a wide area network (WAN). The network management system determines, based on the path data, one or more WAN link health assessments, wherein the one or more WAN link health assessments include a success or failure state associated with one or more of service provider reachability, physical interface operation, or logical path performance; and in response to determining the at least one failure state, outputs a notification including identification of a root cause of the at least one failure state.

The invention discloses a circuit and chip for supporting core particle parallel physical links through a PIPE interface, and the circuit comprises a data processing module which is located between the PIPE interface and a parallel PHY group, and comprises a data packaging module and a data analysis module, the data packaging module is used for generating a receiving direction data signal on the PIPE interface from data from the PIPE interface, compressing and packaging the receiving direction data signal and transmitting the receiving direction data signal to the parallel PHY group; and the data analysis module is used for analyzing the data from the parallel PHY group, recovering and restoring the compressed data, and then transmitting the data to an upper layer through the PIPE interface so as to send the data to a core particle interconnection controller on the PIPE interface. The invention aims to solve the problem of how to drive and use a plurality of parallel physical interfaces to carry out data transmission through a PIPE interface of a core particle interconnection protocol interface compatible with a PIPE interface on a physical layer, and data transmission is carried out through the PIPE interface and the plurality of parallel physical interfaces.

The invention belongs to the technical field of data transmission, and particularly relates to a medical monitoring data transmission method, a monitoring method and an application method.The data transmission link is subjected to standardized conversion, and the method comprises the steps that connection modes of different devices are adapted through a physical interface or a wireless communication protocol, and a communication link is established; key parameters in the data flow are analyzed in real time through a lightweight neural network model to obtain an analysis result, potential semantic features of the data flow are automatically identified through multi-modal signal analysis to obtain an identification result, and a temporary analysis rule is dynamically generated based on the analysis result and the identification result; and the disassembled independent parameters are recombined according to a unified standard format. According to the method, equipment hardware does not need to be transformed, continuous data transmission of various equipment is ensured by automatically establishing a standardized data stream transmission channel, the workload of manually configuring analysis rules can be reduced through implementation, the risk of wrong analysis caused by waveform distortion can be reduced through multi-modal signal analysis, and finally, the private format difference of the equipment is eliminated.

Techniques are described for monitoring application performance in a computer network. For example, a network management system (NMS) includes a memory storing path data received from a plurality of network devices, the path data reported by each network device of the plurality of network devices for one or more logical paths of a physical interface from the given network device over a wide area network (WAN). Additionally, the NMS may include processing circuitry in communication with the memory and configured to: determine, based on the path data, one or more application health assessments for one or more applications, wherein the one or more application health assessments are associated with one or more application time periods for a site, and in response to determining at least one failure state, output a notification including identification of a root cause of the at least one failure state.

The invention discloses a power distribution automation control method and device based on virtual bus communication, and relates to the technical field of power distribution automation, and the method comprises the steps: registering a physical communication interface to a drive chain table, and achieving the standardized operation of the physical interface through a drive layer; configuring a physical communication interface as a virtual communication interface, registering the virtual communication interface to a virtual bus linked list, and realizing unified scheduling and data interaction of multiple interfaces through a virtual bus layer; physical communication equipment is configured as virtual communication equipment, the virtual communication equipment is registered to a virtual equipment linked list, and equipment function mapping and protocol adaptation are completed through a virtual equipment layer; registering a physical equipment instance to an equipment instance linked list, and realizing data transceiving and control instruction execution through an equipment instance layer; based on a virtual bus architecture, different communication protocols and transmission modes are dynamically matched so as to communicate heterogeneous equipment. According to the application, diversified field application requirements can be met, and the communication configuration efficiency between the power distribution automation terminal and the external equipment is improved.

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.

The present invention provides an adaptive RS232 and RS485 interface circuit, including a connector, a communication switching module, an identification module, an active control selection module, an RS232 interface communication module, an RS485 interface communication module, and a logic control circuit. The connector is arranged at a physical interface for accessing an external communication device, the identification module is used to identify the physical interface type of the external communication device, and control the communication switching module to switch the interface communication module according to the identification result, the communication switching module is respectively connected to the RS232 interface communication module and the RS485 interface communication module, and the channel is selected by an analog switch to complete the automatic switching of the RS232 or RS485 communication mode, and the logic control circuit is respectively connected to the RS232 interface communication module and the RS485 interface communication module using a logic and gate chip. The present invention can realize the automatic identification and automatic switching of RS232 and RS485 communications, and has the advantages of high automation, low technical risk, low cost, domestic controllability, flexible control, high reliability, etc.

The invention relates to a layout wiring planning design method based on a 2.5 D core particle interconnection interposer, which is characterized by comprising the following steps of: defining signal logic interfaces for automatic wiring in a passive interposer according to signal transmission requirements among core particles and a communication relationship between the core particles and a packaging substrate, and creating a mapping relationship list among the logic interfaces; according to the method, layout planning is carried out on physical interface endpoints of a passive intermediate layer, the physical interface endpoints are matched with signal logic interfaces, and an optimal layout allocation scheme is quickly determined through a signal allocation algorithm based on a flow network in combination with a window matching method, so that the wiring resource loss of a 2.5 D integrated circuit is effectively reduced, and the wiring efficiency is improved. The system overall performance is improved. According to the invention, the method can cope with a complex interconnection wiring condition generated by a plurality of independently designed core particles in a 2.5 D integration process, and achieves the efficient interconnection design of the passive interposer.

A multi-chip device having a configurable physical interface in a logic die to on-package memory is provided. The configurable physical interface to allow a connection from a signal on the memory interface to be selected based on whether the logic die is mirrored or non-mirrored.

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 disclosed computer-implemented apparatus for bridge-based packaging with direct power delivery can include an first layer stacked on a second layer. The second layer can include an interposer die and a connection die. The first layer can include a chiplet die positioned above the interposer die and a first-layer bridge die spanning across the interposer die and the connection die. The interposer die can include a set of physical interfaces and a set of routing features configured to route signals from the set of physical interfaces to the first-layer bridge die. Various other apparatuses, systems, and methods of manufacture are also disclosed.

A method for communicating between motorized power tools includes establishing, using a physical interface of a first power tool, a wireless radio link between the first power tool and a second power tool. The first power tool has a first motor and the second power tool has a second motor. A signal is received over the wireless radio link, via the physical interface, at the first power tool from the second power tool using a first wireless communication protocol. The signal includes an identifier. The second power tool is verified as authorized to send the signal to the first power tool based on the identifier. A tool component of the first power tool is controlled responsive to the signal.

The invention provides a civil aviation measuring instrument multi-protocol data communication interface processing method and system, and the method comprises the steps: defining a first avionics protocol and a second avionics protocol according to a multi-protocol database and a communication interface electrical characteristic database of a civil aviation measuring instrument; adjusting an equivalent inductance value and an equivalent capacitance value of the adaptive impedance matching network, and generating an impedance configuration parameter set; converting the original data frame of the first avionics protocol into a target data frame conforming to a second avionics protocol; acquiring an impedance measurement value of each data communication interface to generate a dynamic impedance strategy; generating an adaptive protocol conversion rule set according to a semantic consistency verification result of the target data frame; and collaboratively optimizing the dynamic impedance strategy and the adaptive protocol conversion rule set to generate communication interface adaptive parameters. According to the invention, accurate matching of the protocol conversion group and the physical interface characteristics is realized, and the stability and the adaptive ability of the multi-protocol communication interface in a complex electromagnetic environment are improved.

The invention discloses a multi-level system interface design and management method based on a SysML language, and the interface design method comprises the steps: 1, in a conceptual design stage, designing a use scene of system operation by adopting the SysML language, and defining an external interface of a system based on an interaction behavior of the system and an external environment in the use scene; step 2, in the logic design stage, defining components in the system, logic interfaces among the components and interface transmission from an external interface of the system to the components by adopting an SysML language; and step 3, in a physical design stage, defining physical interfaces among the components in the equipment layer to express a physical implementation mode of logic interfaces among the equipment. According to the technical scheme, the problems that in traditional system engineering, in a document-based interface definition mode, due to the fact that the consistency of the interfaces can only be guaranteed through manpower, design errors are introduced, and due to an interface management mode, due to the fact that a corresponding N2 graph needs to be established in each system level, the design errors are caused possibly are solved. And unified management of interfaces is not facilitated, and errors are easily introduced in a transmission process.

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 discloses a PIM neighbor Down fault positioning method and device. The method comprises the steps that S01, network alarm data are loaded, wherein the network alarm data comprise an equipment port Down alarm and a PIMNbrDown alarm; s02, checking whether a physical interface of the equipment enables PIM or not; s03, checking whether the PIM state of the interface is UP or not; and S04, checking whether the PIM configuration on the interface is correct or not. According to the PIM neighbor Down fault positioning method and device, alarm acquisition analysis, protocol state acquisition analysis and configuration acquisition analysis are carried out on the PIM neighbor Down fault network element, the PIM neighbor Down fault reason is positioned, the working pressure of network operation and maintenance personnel is relieved, and the operation and maintenance efficiency is improved.

The present invention provides a method, device and related equipment for identifying risk assets in an intranet based on traffic. The method includes: obtaining at least response traffic containing address information and fingerprint information from the physical interface of a network device to obtain first response traffic data; removing the response traffic whose address information does not meet the preset requirements from the first response traffic data to obtain second response traffic data; finding target response traffic whose fingerprint information matches the fingerprint information dictionary from the second response traffic data; obtaining the device IP address of the target response traffic; and associating the device IP address and the fingerprint information dictionary according to the fingerprint information to obtain a risk asset identification result. The present invention performs identification based on intranet HTTP response traffic, which will not affect the target host and will not impose an additional burden on the network device; filtering the first response traffic data according to the preset requirements improves the matching efficiency between the response traffic and the fingerprint information dictionary.

The invention discloses a communication method and system based on a physical interface and an ad hoc network, and a medium. Relates to the technical field of communication. Networking nodes are constructed according to physical interfaces in a board card production test system, and networking strategies are matched according to board card production test tasks, so that networking nodes using different buses and different communication interfaces form a communication network, and data transmission can be performed between any two networking nodes in the network. The communication method of the interface heterogeneous system is greatly simplified; meanwhile, the networking mode is dynamically changed along with the execution stage of the board card production test task, and the real-time performance and reliability of communication in the board card production test system are guaranteed; different networking modes and networking modes are matched in different stages of board card production testing, control precision and dynamic adaptability in the board card production testing process are considered, and meanwhile safety and time sequence strictness are ensured.

The invention relates to the technical field of satellite-borne integrated network design, in particular to a TSN time sensitive network satellite-borne network architecture, a construction method and a communication method. Comprising a plurality of function nodes which are respectively connected to networks with different rate levels according to respective data communication rate requirements; at least one central switching node which is loaded with a TSN lightweight agile switching algorithm and adopts an anti-radiation FPGA to carry out hardware implementation; the integrated self-adaptive design of the intra-satellite network and the inter-satellite network enables control data and load data to be transmitted under the same physical interface and protocol. Unified transmission of low-speed control instructions and high-speed load data is realized by adopting time certainty and high bandwidth characteristics of the TSN, and a conventional complex system with multiple buses and multiple protocols is simplified into a unified physical interface and protocol. The complexity of the system is reduced, and the conversion requirements between different protocols are reduced.