397 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 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 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.

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.

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.

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.

A device connectable between a host computer and a computer peripheral over a standard bus interface is disclosed, used to improve security, and to detect and prevent malware operation. Messages passing between the host computer and the computer peripherals are intercepted and analyzed based on pre-configured criteria, and legitimate messages transparently pass through the device, while suspected messages are blocked. The device communicates with the host computer and the computer peripheral using proprietary or industry standard protocol or bus, which may be based on a point-to-point serial communication such as USB or SATA. The messages may be stored in the device for future analysis, and may be blocked based on current or past analysis of the messages. The device may serve as a VPN client and securely communicate with a VPN server using the host Internet connection.

The invention relates to the technical field of computer data processing, in particular to an intelligent model system for automatically generating a standard protocol interface, which comprises the following steps: acquiring demand information input by a user through a demand acquisition module and converting the demand information into standardized demand parameters; the protocol knowledge base module outputs a compliance rule set according to the target protocol type, and the interface generation module automatically generates an interface source code, a configuration file and an interface document according to the standardized demand parameters and the compliance rule set. The verification module verifies and optimizes the generated interface, and the self-learning module updates system analysis logic and rule content according to a verification result. The system adopts a natural language processing and structured analysis double-path fusion technology to realize accurate analysis of requirements, realizes intelligent matching of protocol rules through a protocol knowledge graph, completes automatic generation of codes based on a symbol reasoning and neural code generation technology, forms a complete closed loop of requirement analysis, protocol adaptation, code generation and verification optimization, and realizes automatic analysis of the requirements. And the interface development efficiency and quality are effectively improved.

The invention discloses a security data acquisition system and method of an industrial control network, and belongs to the field of data acquisition, the security data acquisition system of the industrial control network comprises an abnormal target identification module used for capturing original traffic and identifying an abnormal data packet structure; comparing the standard protocol document with the abnormal data packet, and marking a difference field position; in combination with a debugging log of an equipment manufacturer, positioning the meaning of a field, and identifying the type and source of an abnormal field; the abnormal integrity identification module is used for analyzing the data packet by using a tool and identifying a fixed head and a variable field; deducing the meaning of the field through multiple interactive tests; compared with the prior art, the method has the beneficial effects that when the non-standard protocol field is detected, the standard protocol document is compared, the abnormal field is quickly marked, the meaning of the field is deduced, the protocol analysis rule is finally generated, the analysis plug-in is obtained, and the data is packaged into the standard protocol to be output; original disordered self-defined data can be directly used by an upper-layer system.

The invention discloses a virtual servo full-closed-loop control system and method based on EtherCAT. An EtherCAT master station module sends a control instruction to a virtual servo full-closed-loop control module based on a standard EtherCAT protocol; the virtual servo driver can realize local execution of full-closed-loop control, and the corresponding control process comprises the following steps: obtaining a control instruction, and analyzing to obtain an instruction position; decoding is carried out according to the motion signal transmitted by the displacement feedback device to obtain an actual position, a compensation control quantity is obtained according to the actual position and the instruction position, a correction instruction is obtained according to the instruction position and the compensation control quantity, and the correction instruction is transmitted to the servo driver only supporting semi-closed-loop control; and the servo driver only supporting semi-closed-loop control completes full-closed-loop motion control on the servo driving working module according to the correction instruction. According to the invention, the problems of protocol fragmentation, incomplete functions, insufficient control performance and high upgrading cost in the prior art are fundamentally solved.

The invention belongs to the technical field of energy storage power stations and microgrids, and particularly relates to a method for automatically identifying industrial equipment based on a configurable protocol of an EMS. A protocol management module containing point location, equipment and business group management is constructed in an EMS system, and equipment connection information of different manufacturers, point location information (integrated into a standard protocol through a business unified identifier) and a business function and point location association relationship are configured, stored in a corresponding data table and refreshed to a general protocol cache. And the data acquisition program calls the corresponding protocol module to acquire real-time data, stores the real-time data in the data cache, and reads the data from the cache during display. According to the method, logic separation of the protocol and the program is realized, heterogeneous equipment of multiple manufacturers can be dynamically adapted without modifying the program, the problem of incompatibility of the protocol is solved, busy equipment bus and data delay are avoided, and the stability and the maintenance efficiency are improved.

A system and method for medical imaging protocol name standardization includes generating a synthetic training dataset from medical standards in public documentation utilizing knowledge elicitation, wherein the synthetic training dataset includes, for a given language and a given imaging modality, a plurality of combinations of possible medical imaging protocol names for respective standard protocol codes of a plurality of standard protocol codes for each standard medical imaging protocol. The system and method also includes generating a lightweight text classification model from the synthetic training dataset utilizing machine learning. The system and method further includes utilizing the lightweight text classification model to receive a medical imaging protocol name and to output a list of most probable protocol codes based on the medical imaging protocol name.

The invention provides a data analysis report generation method, a data analysis report generation device, a computer storage medium and electronic equipment, and relates to the technical field of computers. The method comprises the steps of obtaining target multi-source data, and converting the target multi-source data into a first natural language text; performing task division according to the analysis report elements associated with the report template to obtain a plurality of fragment analysis tasks, and constructing a task dependency graph; according to the task dependency graph and the second natural language text, determining a target standard protocol matched with the second natural language text associated with each fragment analysis task from a standard protocol knowledge graph to generate a dynamic cue word; inputting the target multi-source data into a pre-trained hybrid prediction model to output a prediction result based on the hybrid prediction model; and generating a data analysis report based on the prediction result and the dynamic cue word. According to the invention, the generation efficiency of the data analysis report and the dynamic data response capability can be improved.

The application discloses a kind of based on the dynamic calling method and system of AI big model and heterogeneous system of MCP protocol, belong to supply chain intelligent management field, the method includes: according to entity in cold chain warehouse, the data dictionary of cold chain warehouse is constructed to expand standard MCP protocol, identify and extract the system corresponding to entity, and the communication protocol and API of system;Resource pool is constructed in cloud;Dynamic calling layer is constructed in cloud, and dynamic calling layer is called the data of data pool in resource pool by dynamic calling mathematical model, and decision suggestion is generated in combination with AI model in model pool and preset rule set, decision result is encapsulated as MCP instruction message;MCP instruction message is issued to edge gateway, and edge gateway converts MCP instruction message into local instruction executable by system, and is issued to equipment in cold chain warehouse.The application adopts multi-model parallel calling mechanism, realizes the efficient use of system resource and the quick response of task.

The invention discloses a power distribution network feeder terminal with a self-adaptive network topology structure and a control method thereof, and relates to the technical field of power distribution equipment, and the power distribution network feeder terminal comprises a topology construction module which constructs the self-adaptive network topology structure based on terminal equipment information of a target jurisdiction range, a dynamic updating interface supporting dynamic updating is connected; the communication module communicates with an adjacent terminal based on a preset standardized protocol to realize topological information interaction; the fault processing module executes fault positioning, isolation and recovery operations through current detection and instruction interaction of adjacent terminals, and outputs a fault processing result; the self-adaptive updating unit is used for removing corresponding fault nodes according to the fault processing result and updating the self-adaptive network topology structure; according to the method, the problem that a feeder automation strategy has too high dependence on a logic control center of a power distribution automation master station is effectively solved, and the fault control efficiency of feeder automation is improved.