464 results about "Communications protocol" patented technology

The invention discloses a ship mobile energy storage system CAN communication protocol automatic test system and method, and the system comprises a protocol modeling and test configuration module, a simulation node behavior simulation module, a CAN bus interaction and power closed loop module, and a test analysis and result evaluation module. A CAN communication protocol specification of the ship mobile energy storage system and parameters of tested equipment can be obtained, a protocol analysis model and a test configuration file are constructed for format verification and logic consistency verification, meanwhile, a corresponding test case sequence is automatically generated, and the message sending time is controlled to generate a time sequence simulation message flow; and sending the time sequence simulation message flow to the tested equipment, simulating energy interaction behavior acquisition to generate a power feedback data set, testing to obtain a signal consistency deviation and a power execution error to construct a protocol conformity evaluation matrix, and generating a visual test report. According to the invention, the high coverage rate and automatic closed-loop test of the CAN communication protocol can be realized.

The invention discloses an industrial channel test method and system based on a serial port communication protocol, relates to the field of industrial control, and aims to solve the problems that an existing channel test system is single in connection mode, complex in deployment and low in efficiency due to dependence on manpower. According to the invention, the deployment process is simplified by supporting dual-protocol adaptive switching between an RTU mode (direct connection through a 485-to-USB converter) and a TCP / IP mode (wired / wireless network access); driving test logic by using a spreadsheet, pre-defining a Modbus address, a measuring range and a precision threshold value, automatically generating an instruction and acquiring data; and the integrated voice broadcast module feeds back a test result in real time, and prompts an abnormal channel and a processing suggestion when the precision exceeds the limit, so that single-person closed-loop operation is realized. The test result is automatically recorded to the spreadsheet, a structured report is generated, historical tracing and cross-platform data integration are supported, the test efficiency and reliability are remarkably improved, and the method is suitable for high-frequency channel verification of the industrial control system.

The embodiment of the invention discloses a data collection method and system, a data collector and a distributed system, relates to the technical field of data collection, and can improve the data collection efficiency. The data acquisition method comprises the following steps: acquiring equipment information of to-be-acquired equipment; wherein the equipment information comprises a communication protocol used by the to-be-acquired equipment; based on the communication protocol used by the to-be-collected device, selecting an interface protocol matched with the communication protocol used by the to-be-collected device from a preset protocol library; and according to the interface protocol, carrying out communication connection with the to-be-acquired device so as to carry out data acquisition on the to-be-acquired device. The method and the device are suitable for checking equipment data acquisition scenes.

The invention discloses a coal mine robot cluster-oriented virtual entity synchronous mapping method. The method comprises the following steps of: constructing a virtual entity synchronous mapping system consisting of a coal mine robot cluster physical entity, a coal mine robot cluster virtual entity, coal mine robot cluster twin data, cluster service application and information interaction; a coal mine robot cluster is used as a physical entity object, an OPC UA communication protocol is used for data collection, the collected data is processed, a virtual entity is driven in a script mode based on a Unity 3D physical engine, and therefore a virtual-real mapping channel is established; converting various non-standardized data structures of the robot cluster into standardized data structures; data of the heterogeneous robot are collected and transmitted through standardization of various communication protocols, and the data are used for driving the virtual entity model. The method has the advantage of performing synchronous mapping on the virtual entities so as to facilitate intelligent management and control.

The invention provides a test method, device and system of a vehicle-mounted controller and a storage medium. The method comprises the following steps: step S10, analyzing an imported test data configuration table for a to-be-tested vehicle-mounted controller, and extracting test case parameters and a communication protocol type of the test; step S11, based on the analysis result, automatically identifying the accessed to-be-tested vehicle-mounted controller, and establishing a mapping relation between the to-be-tested vehicle-mounted controller and a software channel; step S12, generating a test interface according to the display type field in the configuration table, wherein the test interface comprises a test item name, a traffic light state indication and a text block display area; step S13, creating a test thread, a data analysis thread and a result return thread, and sending a test message according to a preset protocol; and step S14, receiving and analyzing the response message, and generating a test result in combination with a threshold judgment rule in the configuration table. According to the invention, the DV / EOL test efficiency, versatility and reusability of the vehicle-mounted controller can be improved, and the cost can be reduced at the same time.

The invention discloses a 350MW thermal power generating unit cold end system optimization method based on big data, and relates to the field of electric power. The method comprises the following steps: S1, data collection: selecting historical data during the operation period of a unit as modeling data; s2, data preprocessing: preprocessing historical data; s3, constructing a model: constructing a BP neural network model based on the preprocessed data, and optimizing a weight and a threshold value of the BP model through a genetic algorithm and a particle swarm algorithm; s4, calculating the optimal vacuum degree: calculating the optimal vacuum degree under different working conditions according to the optimized BP neural network model; and S5, cold end system control: sending the optimal vacuum degree and a circulating water pump frequency conversion instruction to a DCS (Distributed Control System) through an MODBUS communication protocol to realize optimal control of the cold end system. The method has the beneficial effects that the cold end system of the 350MW thermal power generating unit is optimized by adopting big data analysis and an intelligent algorithm, so that the comprehensive effects of improving the operation efficiency, reducing the energy consumption, saving the cost and reducing the emission are realized.

The invention discloses an agricultural machinery intelligent path planning system and method based on multi-sensor fusion, and relates to the technical field of agricultural machinery automation control. Comprising an AI large model learning module, a visual identification module, a data analysis module and an intelligent control module. The AI large model learning module learns an operation instruction of the agricultural implement controller; the visual identification module collects and extracts agricultural implement controller panel feature information; the data analysis module analyzes, diagnoses and analyzes the feature information; and the intelligent control module transmits the analyzed data to an intelligent driving system of the tractor and executes corresponding control actions. The method solves the problems that the agricultural implements cannot be subjected to associated control under different communication protocols, and the existing scheme is high in cost, complex, low in efficiency and the like, has the advantages of high compatibility, low cost, high efficiency, high adaptability, high safety and the like, and can be widely applied to the field of modern agriculture.

The invention discloses a suspension control system based on a PSI5 communication protocol, and relates to the technical field of automobile suspension control, and the suspension control system comprises a topological adaptation module which collects a vehicle state and a topological structure, constructs a mapping function from the vehicle state to the topological structure, and dynamically generates a topological structure set adaptive to the vehicle state according to the mapping function; the interface reconstruction module is based on an electromagnetic relay as a switching control unit, drives the electromagnetic relay to act after receiving and analyzing the topological structure set, reconstructs the topological structure by switching the series / parallel connection relation of an actuator interface, and outputs a configuration frame instruction; the scene control module is used for identifying the current driving scene of the vehicle, calling the reconstructed topological structure, matching a control algorithm of the corresponding scene and carrying out scene optimization on a PSI5 configuration frame instruction; the driving scene comprises a no-load mode, a heavy-load mode and an off-road mode.

The invention provides an industrial soft gateway system, a data processing method, equipment and a medium. The industrial soft gateway system comprises a driving module and a data processing module, the driving module is used for analyzing the system configuration file to obtain a communication protocol type of each terminal device, generating a driving instance corresponding to each communication protocol type, binding the driving instance corresponding to each communication protocol type with each terminal device, and obtaining original device data of each terminal device through each driving instance; the data processing module is used for preprocessing the original equipment data to obtain target equipment data, and performing state detection on each terminal equipment according to each target equipment data to obtain an equipment state detection result of each terminal equipment; and the data processing module is also used for sending the target equipment data and / or the equipment state detection result of each terminal equipment to the third-party system. By adopting the scheme, the data transmission among the multi-protocol equipment is realized, and the efficiency of data transmission processing and equipment state detection is improved.

The invention relates to the technical field of automatic control of glass manufacturing, discloses an optical cooperative monitoring and processing system and method for glass cold end plate explosion, and aims to solve the problems that an existing plate explosion detection range is narrow, the precision is low, and emergency response depends on manual intervention. The system adopts a dual optical detection framework of'dynamic photoelectric scanning + static CCD image recognition 'and is combined with a servo-driven photoelectric plate explosion detection module and a high-resolution defect detection module to realize accurate detection of full-breadth and full-type plate explosion phenomena (transverse / longitudinal fracture, microcracks and unbroken small cracks); a secondary intelligent response mechanism is constructed through an EtherCAT real-time communication protocol, emergency cutting, discharging or precise cutting (including block cutting and stripping / sleeving cutting) is automatically triggered, and manual intervention is not needed. The detection precision reaches 99% or above, the response delay is smaller than or equal to 50 ms, production interruption and equipment damage can be remarkably reduced, and stable and efficient operation of a glass cold end production line is guaranteed.

The embodiment of the invention provides an analog front-end circuit, and relates to the field of communication. Specifically, the analog front-end circuit comprises a plurality of differential amplification branches which are respectively provided with a switch; the control module is used for controlling on-off of the switch based on a communication protocol; wherein communication protocols of different differential amplification branches are different, the communication protocols are obtained based on a digital processing system, and the plurality of differential amplification branches are connected with the digital processing system. The problem that an analog front-end circuit in the related technology is poor in adaptability to a protocol is solved, and the effect of improving the adaptability of the analog front-end circuit to the protocol is achieved.

The invention belongs to the technical field of charging piles, and discloses a direct current charging pile multi-vehicle communication control method and system, and the method comprises the steps: after the charging pile detects that a charging gun is inserted into a vehicle socket, a gun insertion confirmation switch is closed, and a gun insertion signal is detected; after the charging pile detects a charging signal, a K3 relay and a K4 relay are closed to wake up a vehicle controller, and a first communication protocol is adopted to carry out charging parameter negotiation; if the charging parameter negotiation performed by the first communication protocol fails or is overtime, K3 and K4 relays and a gun insertion confirmation switch are switched off; the gun insertion confirmation switch, the K3 relay and the K4 relay are closed again within preset time, after a charging signal is detected, charging parameter negotiation is repeated by using the second communication protocol to the nth communication protocol in sequence, and the K3 relay, the K4 relay and the gun insertion confirmation switch are switched off every time the charging signal fails or is overtime; and after the nth protocol negotiation fails, the GB / T 27930 protocol is adopted for charging, no matter which non-standard protocol is adopted by the vehicle, charging parameter negotiation can be carried out, and the problem that new energy vehicles of different brands are difficult to charge is solved.

The present disclosure relates to the field of signal acquisition, and in particular, to a system and method for high-density electromyographic signal synchronous acquisition. In the system, a signal acquisition module and a base station are electrically connected via a pogo pin connector and are mechanically connected via an electromagnetic lock. The pogo pin connector comprises various communication protocols and functional ports and supports various synchronous operations. Module charging, data export, state reading, parameter configuration, firmware upgrading, time synchronization, and other functions can be completed by simply inserting the module into the base station, featuring ease to use and compactness. The electromagnetic lock locks the module inserted into the base station to ensure reliable communication between the module and the base station and the safety and integrity of data files. The method is automatically implemented in the condition that the module is inserted into the base station, so as to ensure the real-time synchronization of all modules inserted in the base station with the base station. The electromyographic signal acquisition process does not depend on wireless networks or limit the scene of use to areas with network coverage, thus reducing the wireless connection power consumption, increasing the cost-efficiency, and greatly improving the synchronization reliability.

The invention discloses a SOCKET communication receiving method for variable-length data packets, which relates to the technical field of computer network data transmission, and comprises the following steps of: establishing a user-defined communication protocol containing a length field, a number field and a CRC-32 checksum field, and matching with a dynamic management mechanism of a double linked list segmented buffer area of a receiving end, so that the data packets with different lengths can be received. According to the method and the device provided by the invention, the efficient receiving of the variable-length data packet is realized, a receiving end predicts the buffer extension amount through a sliding window historical array, and the problems of memory waste, data loss, packet sticking, disorder and the like caused by a traditional fixed buffer are solved by combining incremental CRC-32 verification and segmentation-level accurate retransmission, so that the memory utilization rate and the data transmission integrity are improved.

The invention belongs to the technical field of data communication, and provides a communication protocol system of an electric energy meter and an upper computer, which comprises the upper computer and the electric energy meter, the upper computer is used for acquiring transmission state data of a plurality of historical messages, determining a current baud rate according to the transmission state data, constructing a request frame, and sending the request frame to the electric energy meter according to the current baud rate; the electric energy meter is used for performing correctness verification on first key information in the request frame, if the verification is passed, sending a response frame to the upper computer, analyzing key identification information in the request frame, querying target data according to an analysis result, and constructing and sending a data frame to the upper computer according to the queried target data; and the upper computer is also used for analyzing the data frame to obtain the target data if the data frame is subsequently received and the second key information in the data frame passes the correctness verification after the response frame is received within the set duration. According to the scheme, the stability and convenience of a communication link between the electric energy meter and the upper computer can be improved.

The invention discloses a communication testing device and method for RS485 electrical equipment, and belongs to the technical field of equipment testing. The communication test device of the RS485 electrical equipment comprises a PLC module, a display module and an electrical equipment wiring module, and a plurality of alternative electrical equipment test schemes are stored in the PLC module; a plurality of alternative electrical equipment test schemes are stored in the PLC module, and the acquisition of the communication protocol test parameters of the display module is combined, so that the alternative electrical equipment test schemes can be screened based on different communication protocol test parameters, and the electrical equipment test scheme corresponding to the RS485 electrical equipment to be tested is obtained; communication testing of RS485 electrical equipment with different communication protocols is realized, and low communication testing efficiency caused by the fact that the RS485 electrical equipment with different communication protocols needs to use different testing devices in the prior art is avoided. The system can be compatible with tests of different communication protocols, and improves the communication test efficiency of the ship RS485 electrical equipment.

The invention relates to a multi-protocol communication interface chip receiver. The receiver comprises an RS232 receiver and an input switch resistance circuit, wherein the input end of the RS232 receiver is connected with the input switch resistance circuit; the input switch resistance circuit is used for enabling the input end of the RS232 receiver to be in a determined state voltage under the condition that the chip is turned off, and comprises a driving control circuit, a switch grid control and clamping circuit, a switch circuit and an input resistor; the design problem of a multi-protocol communication interface chip caused by incompatibility of the communication protocols of the RS232 receiver and the RS485 receiver in the aspects of common-mode input impedance and the like is solved, and the design of the multi-protocol communication interface chip can be realized.

The invention discloses an intelligent manufacturing production line practical training system based on digital twinning and a virtual-real cooperative control method. The system comprises a physical execution layer which comprises a stereoscopic warehouse used for workpiece storage and positioning, an annular conveying line used for workpiece circulation, a visual inspection table used for workpiece identification and a robot used for workpiece transfer; the control layer comprises a PLC main control unit and a man-machine interaction unit and is used for realizing equipment cooperative control and operation monitoring; and the digital twin layer comprises three-dimensional virtual models corresponding to the devices in the physical execution layer, realizes bidirectional data interaction with the physical execution layer through a communication protocol, and supports virtual-real cooperative control and fault simulation. According to the invention, a practical training environment is constructed in a virtuality and reality combination mode, and the cognition, programming and maintenance capabilities of students on the intelligent manufacturing system are cultivated.

The invention discloses a petroleum drilling machine driller voice interaction system and method. The system comprises a man-machine interaction voice operation control system, an integrated driller voice processing system and a drilling machine equipment processing terminal. Awakening, analysis and feedback of voice instructions are achieved through the off-line voice module, key equipment instructions (such as a winch, a rotating disc and a slurry pump) need to be confirmed through secondary voice so as to ensure safety, and non-key equipment instructions (such as a hydraulic station and picture switching) are directly executed; the alarm voice broadcasting system screens and broadcasts abnormal information of the drilling equipment in real time, and driller sight transfer is reduced; according to the control method, a voice instruction is transmitted to the integrated driller processing system through a 485 communication protocol, and drilling machine equipment is driven by a PROFINET protocol to execute actions after logic processing. The operation process is simplified through voice interaction, the operation efficiency and safety are improved, layered instruction confirmation and real-time alarm broadcasting are combined, and the intelligent level of petroleum drilling machine control is remarkably improved.

The invention provides a remote control method, device and system, electronic equipment and a storage medium, and the method comprises the steps: respectively obtaining ultrasonic image data and a corresponding first operation parameter, and transmitting the ultrasonic image data and the first operation parameter to a data receiving end, so as to enable the data receiving end to receive and display the ultrasonic image data and the first operation parameter; receiving a second operation parameter of the ultrasonic image data sent by the data receiving end; analyzing the first operation parameter and / or the second operation parameter according to the target communication protocol to obtain the analyzed first operation parameter and / or the analyzed second operation parameter; and adjusting the ultrasonic image data according to the analyzed first operation parameter and / or the analyzed second operation parameter. Compared with the prior art, the ultrasonic image data and the corresponding first operation parameters are transmitted at the same time, so that an expert for remote diagnosis can directly check and adjust the parameters of the ultrasonic image, and the operability of remote ultrasonic diagnosis is improved.

The invention discloses an Internet of Things gateway control method fusing local communication and AI computing power, and the method comprises the following steps: S1, constructing a multi-protocol adaptation layer for an Internet of Things gateway, recognizing the communication protocol type of access equipment, and building a unified data channel; relates to the technical field of Internet of Things gateway control, and provides an Internet of Things gateway multi-protocol adaptation layer based computing power resource distribution method, device and system, and the Internet of Things gateway multi-protocol adaptation layer based computing power resource distribution method and system improve device access compatibility by constructing a multi-protocol adaptation layer for an Internet of Things gateway, and generate computing power resource quantity distributed to an access device by obtaining the total residual computing power resource quantity of the Internet of Things gateway and based on QoS metadata of the access device. According to the invention, refined computing power resource allocation according to the task characteristics of the access device is realized, and the AI computing power unit is scheduled by creating the AI computing power unit, according to the QoS metadata of the access device and the computing power resource allocation strategy of the access device and through the container technology, so that the gateway of the Internet of Things can cope with different types of AI computing tasks, and the AI computing power unit scheduling efficiency is improved. And diversified processing requirements of the access equipment are met.

The invention discloses a multi-interface module capable of rapidly switching serial port protocols, and relates to the technical field of industrial serial port communication, the multi-interface module comprises an acquisition interface, a switching module and an acquisition module; wherein the acquisition interface is used for being connected with equipment through different types of interfaces; the switching module is used for automatically identifying the connection between the acquisition interface and the equipment and carrying out combined switching of power supply voltage and a communication protocol according to the connected equipment so as to realize power supply and communication of the acquisition module; the acquisition module is used for processing data acquired by the equipment and transmitting the data to the outside; the acquisition interface, the switching module and the acquisition module are electrically connected through the acquisition mainboard; the switching module comprises an internal circuit module used for converting voltage and a communication protocol and an external connection module used for protocol matching through connection combination of different pins. The method has the advantages of flexibly adjusting the power supply voltage, dynamically switching the communication protocol and adapting to various physical interfaces.

The invention relates to the technical field of data communication, in particular to a data communication system for multi-level linkage agent deduction, which is characterized in that in a data acquisition end, basic data of an agent is acquired and verified, and the data is subjected to multi-node processing to obtain deduction data; in the data transmission end, the deduction data is encrypted to obtain encrypted data, the block chain technology is adopted to transmit the encrypted data through multiple industrial control communication protocols, and the encrypted data is verified and monitored in the transmission process; in the data receiving end, decrypting the encrypted data, and performing error correction on the decoded data according to verification and monitoring results in the data acquisition end and the data transmission end; and synchronizing the verified data to a corresponding agent for data updating by adopting a distributed cache technology, performing deduction analysis on the synchronized updated data by adopting a deep learning algorithm, and performing defuzzification on a deduction analysis result by utilizing a fuzzy mathematical algorithm to obtain a deduction decision of the agent.

The utility model provides a Beidou No.3 satellite communication-based data unvarnished transmission module, which comprises a module assembly and four dismounting mechanisms, and is characterized in that the module assembly comprises a module protection shell, a Beidou No.3 unvarnished transmission module and two side covers; wherein the Beidou No.3 unvarnished transmission module is installed at the bottom of the inner side wall of the module protection shell, and the two side covers are in threaded connection with the two sides of the module protection shell through bolts; according to the technical scheme of the utility model, the Beidou No.3 area-based short message data transmission module is used as a Modem development integrated satellite communication module, so that the characteristics of high reliability, low cost and convenient use of the short data service of a Beidou No.3 satellite communication network can be effectively utilized. And the Beidou No.3 unvarnished transmission module can be combined with the wiring terminal socket, so that a user does not need to know a tedious Beidou satellite data transmission process and a communication protocol during use, and data communication in a quasi-global range can be realized only by connecting an external wiring terminal socket with an upper computer or main control equipment.

The invention discloses an auxiliary installation fault system and method, and relates to the technical field of intelligent berth managers, and the method comprises the steps: carrying out the real-time detection of a power line in a construction process; detecting a line connection in the communication link; acquiring communication protocol sample data; and the fault information of the feedback operation state is displayed through the LCD screen, so that the fault auxiliary diagnosis is completed. According to the invention, real-time perception, accurate diagnosis and visual guidance of common faults in the installation process of the intelligent parking manager are realized, and the problem of incompatibility of equipment protocols of multiple manufacturers is effectively solved; dependence on construction experience is remarkably reduced, the one-time installation success rate and the operation and maintenance efficiency are improved, and rapid and reliable deployment of the intelligent parking system in a complex field environment is guaranteed.

This application relates to the field of batteries, and in particular to a fast-charging testing device, method, and computer-readable storage medium. The device includes: a first communication module for interacting with a charging device based on a first communication protocol; a second communication module for interacting with a battery pack based on a fast-charging protocol; a control module for responding to a fast-charging start message received by the first communication module, establishing a fast-charging protocol between the second communication module and the battery pack, sending charging parameters corresponding to the fast-charging protocol to the charging device via a charging request message; and monitoring the charging status and / or communication status of the battery pack based on the charging status and / or communication status obtained by the second communication module. This invention enables fast-charging testing of battery packs and solves the technical problem of mismatched communication protocols between the battery pack and the charging device.

The invention relates to the technical field of die-casting automation, in particular to a die-casting automation three-machine-in-one system and a control method. The system comprises a main control box, a moving shaft and an operation mechanical arm installed on the moving shaft. A soup feeding mechanism, a spraying mechanism, a workpiece taking mechanism and a switching mechanism are arranged on the operation mechanical arm; the switching mechanism is arranged at the tail end of the operation mechanical arm, movably connected with the soup feeding mechanism, the spraying mechanism and the part taking mechanism and used for controlling the soup feeding mechanism, the spraying mechanism or the part taking mechanism to move towards the die-casting cavity. According to the system, the layout that three machines share the same rack and the same control system is adopted, the soup feeding mechanism, the spraying mechanism and the part taking mechanism are controlled through the single control system, the hardware cost is saved, and conversion among different communication protocol signals is avoided.