454 results about "Standard protocol" patented technology

The invention relates to the technical field of power system communication, in particular to a protocol conversion and communication adaptation system for an optical storage and charging grid-connected device. Comprising a protocol conversion unit used for dynamically analyzing heterogeneous protocols of a photovoltaic inverter, an energy storage converter, a charging pile and power grid side equipment; a communication adaptation unit; an energy collaboration unit; a power grid interface unit; and a man-machine interaction unit. According to the method, the protocol mapping rule base is dynamically updated through the plug-in type architecture module and the machine learning algorithm, self-adaptive analysis of multiple heterogeneous protocols and variant protocols is achieved, the protocol analysis accuracy and generalization ability are improved, and the problem that a traditional static rule base is insufficient in adaptability to non-standard protocols is solved; according to the invention, the distributed edge computing architecture is adopted to construct the bidirectional communication link, so that the real-time performance and security of the communication link are improved, and the defects of high data delay and incomplete security mechanism in the traditional communication architecture are improved.

The invention discloses a standardized centralized DTU multi-level fault diagnosis and self-healing method and system, and relates to the technical field of intelligent power grid fault diagnosis, and the method comprises the steps: building a dynamic topological graph according to a unified coding rule, extracting spatial-temporal characteristics through a graph convolution network, and obtaining a spatial-temporal characteristic power grid topological graph; building a power grid digital twin environment based on a multi-level standardized fault diagnosis result, generating a plurality of sets of self-healing strategy candidate sets by adopting a reinforcement learning algorithm, screening an optimal self-healing strategy, and converting the optimal self-healing strategy into a control instruction conforming to a substation automation standard protocol; the control instruction is sent to the DTU and analyzed, and the intelligent power switch cabinet is controlled to execute self-healing operation. By automatically correcting the abnormal diagnosis result, false alarm and missing alarm are reduced, and the accuracy of fault diagnosis is improved. The intelligent level of power grid management is obviously improved, the maintenance cost is reduced, and the operation efficiency and the service quality of a power system are optimized.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

The invention provides a cross-protocol identification data intelligent analysis middleware method and system. The method comprises the following steps: taking multiple industrial communication protocol identifiers in advance to form a metadata set, and constructing a protocol feature element model library containing a non-standard protocol feature template; a programmable logic device is introduced, physical layer signal waveform characteristics are matched, and corresponding communication protocol stacks are dynamically switched at a hardware level according to a matching result; receiving a communication data stream through an electric domain processing unit of the programmable logic device, and generating a protocol analysis logic sequence in combination with a state transition rule of the meta-model library and a mode matching rule of the protocol stack; performing combined operation on the structured feature template and the analysis logic sequence to generate an executable cross-protocol data analysis rule; and when unknown protocol characteristics are detected, triggering dynamic reconstruction of the template, so that the analysis rule is adapted to a newly added protocol. According to the technical scheme provided by the invention, the protocol compatibility development cost in an industrial multi-protocol scene is remarkably reduced.

The invention provides an intelligent laboratory full-process collaborative management system and method based on multi-dimensional data fusion, and the method comprises the steps: obtaining an original data stream from laboratory instrument equipment, carrying out the format recognition and conversion of heterogeneous instrument data through a standard protocol adapter, and generating a first data set in a unified format; aiming at the first data set, executing automatic analysis by adopting data middleware, and integrating into a structured second data set based on a metadata rule of field mapping and unit conversion; according to the second data set, a multi-source data fusion model is constructed, data are classified according to instrument types through batch processing and aggregated according to timestamps, and a fused third data set is generated; aiming at the initial process configuration, adjusting a node sequence and a parameter threshold value by using a visual design tool, and generating an optimized process configuration adaptive to the diversified scene; according to the optimized process configuration, process scheduling is executed through a dynamic process engine, execution time and resource occupation are monitored in real time, and a process execution log is generated.

The invention discloses a video stream adaptive low-delay real-time transmission method and system based on edge calculation. The method comprises the following steps: receiving a real-time video stream from a network camera, creating a pipeline queue, adding timestamp information for each video frame, and setting a queue protection mechanism; the coded video frames are taken out from the input queue, and the frames in the video are processed through hardware acceleration decoding; the resource use condition of the system is monitored in real time; executing a self-adaptive frame skipping decision according to a performance monitoring result; timestamp generation: dynamically calculating a timestamp interval according to an actual processing frame rate; receiving the decoded original video frame and the corresponding timestamp information, accelerating decoding by using hardware, and executing a video coding operation; and packaging and transmitting the coded video data, and providing a standard protocol interface to be connected with a client for playing. According to the scheme, stable low delay and relatively low resource occupation can be kept, and meanwhile, the video quality is remarkably improved.

The invention provides a printer control method, electronic equipment and a printer control system. The printer control method can be applied to systems of mobile terminals and printers such as mobile phones and tablet personal computers. And the terminal equipment can obtain the product identifier of the printer in the process of finding the printer. On the basis of the product identifier, the terminal equipment can determine the protocol type of the printer so as to obtain a protocol packet matched with the protocol type of the printer, configuration information of the current local area network is sent to the printer through the protocol packet, and the printer is controlled to access the network. And then, the terminal equipment can control the printer to execute a printing task by printing a standard mopria protocol packet or a protocol packet provided by a printer manufacturer. Wherein when the mopria protocol packet is not provided by the printer manufacturer, the terminal equipment can control the printer to execute the printing task through the mopria protocol packet.

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 multi-node communication architecture based on RDMA (Remote Direct Memory Access), which comprises the following modules on a network card: a PCIe (Peripheral Component Interconnect Express) function module which supports PCIe x16, is downwards compatible, is used for data interaction between a master control on a local node and an RDMA function module, and supports high-speed transceiving; the MAC module is used for supporting high-speed data transceiving between the RDMA functional module and an external node by using a high-bandwidth MAC; and the RDMA function module is used for realizing a standard RoCEv2 protocol, supporting unicast and multicast, supporting reliable connection service and unreliable datagram service, supporting bilateral send / recv operation, and supporting unilateral write and read operation. The architecture can be used for a multi-core CPU heterogeneous airborne embedded supercomputing platform, realizes lossless Ethernet communication, has the characteristics of low delay, low CPU load and the like, and is used for meeting the application requirements of future airborne comprehensive processing platforms.

The invention discloses a smart home automation control system, and belongs to the technical field of smart home. The system specifically comprises the following steps: S1, a protocol dynamic adaptation library of a multi-protocol compatible module is compatible with a mainstream communication protocol, a unified virtual ID is generated based on a virtualization mapping technology, unified management of heterogeneous equipment is realized, and an adaptive scene control module manages added equipment; through a dynamic adapter and a protocol adaptive negotiation algorithm, a cross-brand and cross-protocol equipment interconnection ecology is constructed, the core value lies in thoroughly breaking the protocol island problem in the field of smart home, and a virtual equipment mapping technology further converts non-standard protocol equipment into a unified data interface, so that equipment of different brands can be seamlessly cooperated, and the communication efficiency is improved. By deploying a multi-modal data fusion engine and an edge real-time decision engine locally, the response speed and the data processing efficiency of the system are greatly optimized.

The invention provides a UCIe standard protocol layer data transmission circuit, a related method and a chip, and the circuit comprises a slicing circuit which is configured to segment a data packet from a service port; sending the slice frame and slice description information associated with the slice frame to a framing device; the framing device is configured to fill a flow control unit Flit with the slice frames from the slice devices and slice description information associated with the slice frames, and send the Flit to the deframing device; the frame deframer is configured to determine slice frames belonging to the same service port from the Flit, and send the slice frames and slice description information associated with the slice frames to a packing circuit corresponding to the service port; and the packing circuit is configured to splice the data slices belonging to the same data packet in the slice frame based on the slice description information and output the data packet. The technical problem that extra delay is introduced due to beat insertion due to the fact that large multiplexers need to be introduced in existing protocol layer data transmission of the UCIe standard is solved.

The invention belongs to the technical field of intelligent manufacturing management systems, and particularly discloses a collection and control integrated Internet of Things management method and system, and the method comprises the following steps: deploying a collection soft gateway at an edge side, carrying out the connection with a field device through an industrial standard protocol, collecting operation data, carrying out the preprocessing, and uploading the data to an Internet of Things platform; standard object models are established for the machine positions and the stations on the Internet of Things platform, the object models analyze the preprocessed operation data, and analysis results are sent to the application system; the application system generates a corresponding control instruction based on the analysis result and issues the control instruction to the acquisition soft gateway; and the acquisition soft gateway executes the control instruction, controls equipment operation, completes control feedback, and uploads an execution result and newly acquired data to the Internet of Things platform again. By adopting the technical scheme, an acquisition and control integrated function is integrated, and closed-loop management of data acquisition, equipment modeling and control instructions is realized through an Internet of Things platform at the cloud end.

The invention discloses an IEC61850 multi-protocol version oriented communication server-side self-adaption method and device, and the method comprises the steps: carrying out the protocol version dynamic recognition, service interface dynamic configuration and service interface dynamic response for IEC61850 standard protocol versions including ED1.0, ED2.0 and ED2.1, and forming a differential processing mechanism for different protocols, and the automatic switching of the ED1.0 / ED2.0 / ED2.1 protocol can be realized. According to the invention, through compatibility adaptive processing of different versions of difference communication services, system configuration complexity caused by protocol version difference and multi-version maintenance cost of device software are reduced, so that diversified requirements of a power system in multi-scene application and internationalized markets are met; and the flexibility of system configuration and the reliability of device operation are improved.

The invention relates to the field of industrial Internet of Things, and discloses an industrial scene-oriented multi-protocol compatible IoT acquisition and intelligent operation and maintenance system, which comprises a configuration management module used for analyzing an encrypted configuration file and dynamically loading a communication protocol driving program by using a reflection mechanism; the data acquisition module is used for establishing connection with industrial field equipment by utilizing the loaded communication protocol driving program and acquiring original data; the data processing module is used for calculating a semantic entropy value of the original data in the time window and marking a data value grade according to the semantic entropy value; the data storage module is used for executing differentiated storage operation on the data according to the data value grade; a memory management module and a data forwarding module. By constructing a data acquisition module comprising a software and hardware dual-mode interface and combining a self-adaptive driving correction mechanism based on physical layer signal feature analysis, the effect of still maintaining communication connection when standard protocol driving fails or equipment aging parameters drift is achieved.

The invention relates to a building communication protocol identification method, device and equipment and a computer readable medium. The method comprises the following steps: collecting a communication signal of a building network, preprocessing the communication signal, and marking a communication protocol type to obtain first communication data; the byte meaning of the first communication data is identified to determine a corresponding first standard protocol frame, and a convolutional neural network model used for identifying the communication protocol type is constructed through the first standard protocol frame; optimizing the recognition degree of the convolutional neural network model through a historical communication protocol frame to obtain an optimal convolutional neural network model; and identifying second communication data accessed by a digital base corresponding to the building network through the optimal convolutional neural network model to obtain a second standard protocol frame corresponding to the target communication data. According to the invention, the problem that a building network is difficult to realize communication protocol self-identification between devices in the prior art is solved.

The invention discloses a laser processing controller, a processing system and a processing control method.The laser processing controller comprises a digital processing module, an EtherNET interface, an EtherCAT IN interface and an EtherCAT OUT interface, the EtherNET interface is connected with the digital processing module, the EtherCAT IN interface and the EtherCAT OUT interface are connected with the digital processing module, the EtherCAT IN interface is used for receiving state data of slave station equipment in an EtherCAT network, and the EtherCAT OUT interface is used for receiving the state data of the slave station equipment in the EtherCAT network; the EtherCAT OUT interface is used for transmitting a control instruction of the digital processing module to the EtherCAT slave station equipment; the galvanometer interface is connected with the digital processing module, and the galvanometer interface is used for converting the control instruction of the digital processing module into galvanometer parameters conforming to a galvanometer standard protocol and transmitting the galvanometer parameters to a galvanometer; and the laser device interface is connected with the digital processing module, and the laser device interface is used for converting the control instruction of the digital processing module into laser parameters and transmitting the laser parameters to a laser device. The synchronous precision and compatibility of multiple devices are improved, the machining precision and efficiency are improved, the limitation of a traditional system is solved, and the high-precision machining requirement is met.

The invention provides a method, a device, equipment and a medium for reducing playing delay of an HLS (HTTP Live Streaming) protocol. The method comprises the following steps: generating a playing list and a generated slice according to an HLS standard protocol; adding a first slice identifier in the generated slice, wherein the first slice identifier is used for representing the position of the GOP in the generated slice; generating a second slice identifier according to the to-be-generated slice, and adding the second slice identifier to the playlist; and in response to a streaming media playing request, executing GOP downloading and playing according to the first slice identifier and the second slice identifier. The method and the device have the beneficial effects that the latest GOP generated in the shortest time is determined and downloaded through the duration range of the GOP when GOP downloading is carried out on the client in a mode of carrying out custom annotation on the generated slice in the playlist and identifying the slice to be generated, so that the playing delay of the HLS protocol is maintained within the duration range of the GOP, and the playing delay of the HLS protocol is maintained within the duration range of the GOP. And the playing delay is reduced.

Some embodiments provide a method for enforcing policies for authorizing API (Application Programming Interface) calls to an application operating on a host machine. The method receives a request to authenticate a client attempting to gain access to the application, and authenticates the client based on a first set of parameters associated with the request. Using a second set of parameters associated with the request, the method evaluates a set of one or more policies associated with a set of one or more API calls to the application. Based on the evaluated policies, the method defines a third set of one or more authentication field parameters that control the API calls that the client is authorized to make to the application. The method sends an authentication reply message with the defined third set of authentication field parameters in order to control the API calls that the client is authorized to make.

The invention discloses a method and a system for improving the control precision of a control lever based on a configurable dead zone, and relates to the field of electronic control and signal processing, and the method comprises the following steps: carrying out median calibration sampling, precisely obtaining an electrical median value, and temporarily storing a calculation result; boundary calibration sampling is carried out, a rocker is pushed to the limit position in sequence, and the maximum value and the minimum value of an original ADC are monitored and updated in real time; calculating and storing calibration parameters, calculating proportionality coefficients and offset key parameters of an X axis and a Y axis by utilizing the temporarily stored median value and boundary value in combination with a target output range, and generating and solidifying mapping parameters; and writing the parameters into FLASH: permanently storing the finally calculated calibration parameters into a nonvolatile memory FLASH. According to the control lever control precision improving method and system based on the configurable dead zone, the output data of the control lever caused by abrasion and aging can be stabilized within the range specified by a standard protocol again without disassembling equipment and special tools, the full-stroke control capability of the control lever is recovered, and control hidden dangers are eliminated.

The embodiment of the invention provides a gateway access method and device, electronic equipment and a storage medium, is applied to a gateway, and comprises the following steps: receiving a first data packet sent to the gateway by target equipment; obtaining a target analysis function for analyzing the first data packet; analyzing the first data packet through the target analysis function to obtain key data information in the first data packet; the method comprises the following steps: acquiring key data information, recombining the key data information according to a format of a preset standard protocol to obtain a second data packet, sending the second data packet by the gateway, converting protocols of different equipment types into the format of the preset standard protocol, being compatible with access requirements of different protocols, and realizing unified access of multiple equipment to the gateway.

The invention discloses an analysis method of an industrial communication protocol, and particularly relates to the field of industrial communication. Dividing the data frame into a standard protocol frame and a non-standard protocol frame through an industrial communication protocol specification; performing consistency evaluation on key communication parameters in the standard protocol frame to ensure the logic rationality of the data frame; dynamic fields in the non-standard protocol frame are analyzed, the compatibility of a frame structure to industrial communication protocol variation is evaluated, and the adaptive capacity of an analysis strategy is improved; and judging whether the current analysis strategy needs to be updated or not according to the consistency and compatibility results, evaluating the adjustment adaptability of the analysis rule, and quantifying the influence degree of rule adjustment on the analysis precision. Through comprehensive analysis of the consistency score, the compatibility coefficient and the accuracy coefficient, the reliability of the current analysis strategy is determined, challenges of multi-protocol coexistence and dynamic change in a complex industrial communication environment are effectively dealt with, and a technical guarantee is provided for stable and efficient operation of an industrial network.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

A virtual control panel (VCP) protocol is established on top of the VESA standard DDC / CI protocol. The VCP protocol can establish direct communications between a dock management controller (DMC) of a docking station and a display device connected to the docketing station via a serial protocol (e.g., I2C). With the VCP protocol, the DMC can manage the display device with or without a host computer, such as, to wake up the display, to put it to sleep, to change brightness, to set video input port, etc.

The invention relates to the technical field of calling in financial and medical scenes, and discloses a call center unified API implementation method, device and equipment and a storage medium, and the method comprises the steps: dividing the type of an API into a first type of interface developed based on the capability of a product and a second type of interface customized and developed by depending on a service system; the method comprises the following steps: receiving a calling request initiated by a heterogeneous service system through a protocol analysis engine, extracting a protocol feature identifier in the calling request to obtain a heterogeneous protocol, uniformly converting the heterogeneous protocol into a standard API protocol format according to a preset protocol conversion rule base, and analyzing the type of an API interface in the conversion process; and executing differentiated routing according to the type of the API interface. In the invention, aiming at the call center of financial and medical scenes, a core framework of a unified API (Application Program Interface) of the call center is constructed, and the interface standardization of a call center system is realized.

The invention discloses a file transmission method and device, a product, equipment and a medium. The method comprises the steps that a register access instruction of a Modbus protocol is received; when an access register address carried by the register access instruction belongs to a pre-allocated address field, register access information carried by a target original Modbus protocol field in the register access instruction is extracted, and the pre-allocated address field is an address field pre-allocated for file transmission on a Modbus register address field; analyzing the register access information based on a preset transmission definition to obtain file access information, the preset transmission definition being a definition describing the file access information based on the target original Modbus protocol field; and accessing a file system based on the file access information to realize file transmission. In this way, a standard Modbus protocol can be prevented from being modified, and therefore the compatibility of the Modbus protocol and the system performance are guaranteed.

A method for fetching a content from a web server to a client device is disclosed, using tunnel devices serving as intermediate devices. The tunnel device is selected based on an attribute, such as IP Geolocation. A tunnel bank server stores a list of available tunnels that may be used, associated with values of various attribute types. The tunnel devices initiate communication with the tunnel bank server, and stays connected to it, for allowing a communication session initiated by the tunnel bank server. Upon receiving a request from a client to a content and for specific attribute types and values, a tunnel is selected by the tunnel bank server, and is used as a tunnel for retrieving the required content from the web server, using standard protocol such as SOCKS, WebSocket or HTTP Proxy. The client only communicates with a super proxy server that manages the content fetching scheme.

The invention discloses a shipborne dual-frequency satellite fusion network controller and a dual-frequency fusion satellite communication system, and relates to the field of communication, and the shipborne dual-frequency satellite fusion network controller comprises a Ka management interface which is used for obtaining satellite finding parameter information of a preset Ka modem; the Ku management interface is used for acquiring satellite finding parameter information of a preset Ku modem; the processing module is used for executing a preset switching logic, determining a switching result based on the preset switching logic when the preset switching logic is executed, and processing the star finding parameter information based on the switching result to obtain a standard protocol parameter; and the ACU interface is used for forwarding the standard protocol parameters to a controller of the dual-frequency antenna. The switching between the Ka baseband network and the Ku baseband network is realized, and the problems that the Ku large-beam rate cannot meet the user requirements and the Ka high-throughput satellite network cannot form global coverage are solved.

The invention provides a standard protocol configuration method and device, a storage medium and equipment, and the method is applied to the technical field of computers. And directly obtaining the first configuration information identifier of the electrical equipment from the server according to the equipment identifier of the electrical equipment, further obtaining the configuration information of the electrical equipment from the first configuration information identifier, and establishing a second connection based on a standard protocol with the electrical equipment based on the configuration information. The configuration information can be obtained without manually inputting a pairing code in the first terminal or scanning a two-dimensional code pasted on the electrical equipment, so that the operation steps of standard protocol configuration are simplified, and the configuration efficiency is improved.

The invention provides a hard disk ATA password function test method, device and equipment and a medium, and relates to the technical field of interface test.The method comprises the steps that a preset protocol document is analyzed, and an NVMe standard protocol command format is obtained; a plurality of hard disk password commands are obtained from the preset protocol document, the hard disk password commands are packaged according to the NVMe standard protocol command format, a plurality of standard test commands are obtained, and the hard disk password commands are commands for conducting safety management operation on the safety state of a hard disk ATA password; packaging the plurality of standard test commands to obtain a plurality of state conversion interfaces; and calling each state conversion interface, and testing each security state of the to-be-tested hard disk to obtain a test result of each security state. According to the method and the device, the hard disk password command is packaged and packaged, so that the test convenience is improved, the labor cost in the test process is reduced, and the test efficiency is improved.