149 results about "Fieldbus" patented technology

The invention relates to the technical field of automatic control, and discloses a water affair treatment process optimization control method, system and equipment and a medium. The method comprises the steps of performing state judgment on sensor detection data through a multi-parameter state recognition algorithm to obtain a processing stage switching instruction; modeling a microbial activity change rule according to the switching instruction to obtain a staged prediction model; optimizing the prediction model through a switching model prediction control algorithm to obtain a multi-target control strategy; performing coordinated calculation on the set value according to the control strategy to obtain a distributed control instruction; and performing driving control on the equipment by using the control instruction through the field bus to obtain a coordinated operation state. According to the invention, the control precision and the multi-target coordination optimization capability of the water affair treatment process are improved.

The invention relates to a system for operating, in particular remotely, at least one field device (1) of automation technology by means of an operating tool (2), wherein the field device (1) is configured to communicate via a predefined fieldbus protocol (BP), wherein a remote IO (RIO) is arranged between the at least one field device (1) and the operating tool (2), wherein the communication between the operating tool (2) and the remote IO (RIO) takes place via an Ethernet-based protocol (EP), wherein a frame application (FDT) is installed on the operating tool (2), to which a communication DTM (CommDTM), a gateway DTM (Gateway DTM) for the remote IO (RIO), and a device DTM (DTM1) for the at least one field device (1) are assigned, wherein the communication DTM (CommDTM) is a communication-specific driver designed tothat it provides the gateway DTM (Gateway DTM) and the device DTM (DTM1) with the necessary information about the communication protocol (BP) used by the field device (1), wherein the gateway DTM is an iDTM gateway which enables communication between the operator tool (2) and the field device (1) using the information of an FDI package for the remote IO (RIO), and wherein the device DTM (DTM1) is designed in such a way that it enables full operation of the field device (1) via the operator tool (2).

The invention relates to the technical field of data processing, and discloses an automatic control platform operation data management method. The method comprises the steps of collecting industrial equipment data through a field bus, storing the industrial equipment data into a database in a classified mode and establishing an index table, extracting a control loop to construct a DCS model, generating a process abnormality diagnosis report, calculating control parameters by using a self-tuning algorithm and outputting a control instruction, optimizing a process formula based on an implementation effect and constructing a recommendation knowledge base. According to the intelligent data management method, the process abnormality is accurately diagnosed, the control parameters are automatically optimized, and the process knowledge is continuously accumulated, so that the control precision, the diagnosis efficiency, the parameter optimization capability and the knowledge reuse level of the industrial production process are improved.

According to the high-precision tension control system for the solar cell backboard coating line, high-precision tension control is achieved based on an SINAMICS 120 servo dragging system, a Siemens S7-300 series PLC is adopted as a control core, a PROFIBUS-DP field bus communication network is established, CPU317-2DP serves as a master station, a field remote IO module and a CU320 driving unit serve as slave stations, and the high-precision tension control system for the solar cell backboard coating line achieves high-precision tension control. An industrial personal computer is used as a man-machine interaction medium, normal operation of the whole production line is achieved by setting tension and production speed, tension control is performed in a mode of combining a floating roller and a high-sensitivity tension sensor, a high-precision servo system S120 is used for dragging, high-precision control of tension is achieved, and actual operation of the system shows that the production efficiency is greatly improved. Compared with a traditional tension control system, the system has the advantages of being stable in tension control, high in precision, stable in production speed, friendly in man-machine, capable of achieving non-stop roll changing and capable of completely meeting the requirement for continuous production of the back plate.

The embodiment of the invention provides a high-frequency real-time control method and device based on an integrated bus architecture, a system is divided into a resolving module and a control module, efficient data interaction is realized through a concurrent queue, an integrated architecture of an industrial Ethernet bus and a field bus is adopted, a load prediction model is trained based on historical data, and a high-frequency real-time control system is established. And dynamic adjustment of the task weight coefficient is realized. Adaptive initialization of different models of motors is realized by establishing a motor abstraction layer, and control parameters are dynamically generated based on a load prediction result. According to the method, the limitation of a traditional fixed scheduling strategy is broken through, and the real-time performance and reliability of multi-motor cooperative control are remarkably improved through adaptive task scheduling and load prediction compensation.

The invention relates to the technical field of industrial automation control, and discloses a distributed collaborative and intelligent master control system for a candy production line, which comprises a master control unit and a plurality of resource nodes which are connected with each other through an industrial field bus supporting a precise clock synchronization protocol, the general control unit generates and broadcasts a virtual main shaft position signal to define a system time sequence progress; each resource node corresponds to a physical execution unit with different physical response hysteresis characteristics, an electronic cam curve table for defining a mapping relation between a control set value and a virtual spindle position signal is stored, the resource nodes are configured with phase lead compensation logic, and a phase offset is superposed before the curve table is inquired, so that the phase lead compensation is realized. According to the method, phase pre-compensation is introduced in a logic instruction level, so that the problem of cooperative mismatch caused by response inertia difference of heterogeneous physical execution units is solved, and accurate alignment and seamless flexible remodeling of multi-section actions in a time domain are realized.

The invention discloses a multifunctional ship sensor detection test bed control system based on a PLC. The invention relates to the technical field of ship sensor detection, and solves the problems of low efficiency and poor detection precision of a traditional ship sensor detection method. The system comprises a ship sensor detection test bed upper computer operation unit, a main control system, a protocol converter and a lower computer sub-control system, an upper computer operation unit of the ship sensor detection test bed is connected with a main control system through the Ethernet, the main control system is connected with a protocol converter through a field bus, and the protocol converter is connected with a lower computer sub-control system through the Ethernet. The field to-be-tested sensors are respectively connected with the input and output terminals of the main control system; and the main control system adopts a PLC. According to the invention, the detection efficiency and detection precision of the ship sensor can be improved.

The invention discloses an EtherCAT master station synchronous control method and system based on a microkernel operating system, and belongs to the technical field of industrial automation field bus control. According to the system, a microkernel architecture is adopted, an EtherCAT protocol stack and a universal network protocol stack are deployed as two independent user mode processes, and data interaction is carried out through an inter-process communication and shared memory mechanism provided by a microkernel. According to the method, through a bidirectional dynamic clock compensation mechanism, static compensation in an initialization stage and dynamic compensation in an operation stage of a system are combined; a dynamic task scheduling strategy based on load awareness is adopted, and the task execution sequence is dynamically adjusted according to the CPU utilization rate and the task priority monitored in real time; a hardware redundancy design of double clock sources and double communication links is introduced, and a progressive synchronous recovery strategy is adopted during switching. According to the invention, nanosecond-level synchronization precision and microsecond-level fault switching can be realized, and the method is suitable for industrial control scenes with extremely high requirements on real-time performance and reliability.

The invention discloses a communication conversion module for connecting a field bus master station and a servo press controller, and belongs to the field of electronic data processing.The servo press controller is used for receiving instructions of a CPU to control a servo press and collecting data of the servo press; the network chip is used for receiving data of the servo press controller and transmitting the data to the CPU; the CPU is used for carrying out communication conversion after communication sequencing and transmitting the data to the field bus communication chip; the communication module is used for transmitting the control data processed by the CPU to a PLC main station; the PLC master station is used for outputting a PLC control instruction according to the obtained control data, performing data conversion by configuring interface parameters of communication interfaces, and being capable of assisting two devices with different communication interfaces to communicate; and meanwhile, communication sorting is added, so that the data transmission rates of different communication interfaces can be matched, and the applicability of the communication system is improved.

The invention belongs to the technical field of digital twinning, and particularly discloses a virtual-real cooperative control method for a coarse and fine grinding all-in-one machine based on digital twinning, which comprises the following steps: S1, collecting real-time processing parameters of a coarse grinding unit and a fine grinding unit, and constructing a grinding digital twinning body synchronous with an actual processing process; s2, constructing a long-short-term memory network model, and predicting the state evolution trend of each unit in the future processing process; s3, optimizing the technological parameters of the whole process from coarse grinding to fine grinding in the grinding process of the digital twin; s4, searching an optimal process parameter combination in the grinding digital twin environment by adopting a snake swarm optimization algorithm; s5, the actual coarse grinding and accurate grinding process is driven to be executed; and S6, if machining abnormity or deviation is detected, re-optimization and correction control is automatically triggered. According to the method, a snake swarm optimization algorithm, a long-short-term memory network model and an industrial field bus control technology are combined, and virtual-real cooperative grinding control of the full-automatic coarse and fine grinding all-in-one machine based on digital twinning is achieved.

This invention discloses a synchronous monitoring system and method for a cantilever bridge-building machine based on the Internet of Things (IoT) and a BeiDou total station. By effectively applying new technologies such as BeiDou positioning, total station measurement, and IoT, it integrates existing fieldbus technology and safety monitoring technology to create a complete safety monitoring system. This invention offers more powerful functions than traditional equipment safety monitoring systems, particularly in high-precision three-dimensional positioning. It achieves centimeter-level positioning accuracy under normal conditions and millimeter-level accuracy for short-term applications. This directly meets the distance synchronization requirements of dual-machine operation in cantilever bridge-building machines and provides continuous monitoring of vertical and horizontal offsets throughout the bridge construction cycle, ensuring the operational safety of this new type of cantilever bridge-building equipment.

The invention relates to the technical field of industrial field bus communication, and provides an industrial field bus communication protocol unified adaptation method and device, a medium and equipment, and the method comprises the steps: constructing a unified adaptation protocol frame based on a JSON format, and the unified adaptation protocol frame comprises an application service interface layer, a protocol stack adaptation layer and a hardware communication routing layer; after a user application end request is received, an application service interface layer analyzes and extracts parameters such as a target equipment identifier and a protocol type; the protocol stack adaptation layer matches a path according to a protocol type, and converts an operation instruction and a data address into a target protocol data frame; the hardware communication routing layer matches a hardware interface type, converts a target protocol data frame into a physical layer data frame and sends the physical layer data frame to corresponding equipment; and after the receiving equipment responds to the data frame, the protocol stack adaptation layer converts the data frame into a unified adaptation protocol response frame, and the unified adaptation protocol response frame is returned to the user side through the application service interface layer. According to the method and the device, the unified adaptation protocol framework is constructed, so that unified adaptation and efficient communication of field bus equipment of different protocol types are realized.

The invention relates to the technical field of battery monitoring, in particular to a battery health state estimation method based on a battery aging system, which is characterized in that an upper computer and a plurality of test nodes are connected through an industrial field bus communication protocol, charge-discharge cycle test is performed on a battery pack, and battery data are acquired in real time; and processing the data by using a protocol analysis engine and a sliding time window technology, calculating a battery capacity fading rate and an internal resistance change rate, and generating a standardized data set. And a health state evaluation model is constructed through a machine learning model, real-time evaluation and visual display of the health state of the battery are realized, and early warning is given out when the health state is lower than a threshold value. The method supports dynamic parameter configuration, adopts a time sequence database to store data, and facilitates full-life-cycle data tracing. According to the invention, multi-dimensional data acquisition, intelligent analysis and safety protection are integrated, the efficiency, reliability and intelligent level of the battery aging test are improved, and a scientific basis is provided for battery maintenance and management.

The invention relates to the technical field of industrial automation control, in particular to an automatic equipment numbering system and method based on an industrial field bus. The method comprises the following steps: broadcasting an initial address seed through a main controller, and sequentially setting incremental addresses for equipment by adopting a chain transmission mechanism in linear topology; exclusive address fields are dynamically divided in the bifurcation topology, buffering is reserved, and hierarchical chain type numbering is started by branch head equipment; monitoring an equipment state in real time, recovering an offline address to an address pool for priority allocation of new equipment, and automatically expanding an upper limit of an address field when the address is exhausted; a conflict risk prediction model based on multi-modal data fusion is introduced, and the crossing from passive processing to active early warning is realized through adaptive adjustment of detection frequency and a preventive reset mechanism. According to the invention, plug-and-play deployment of equipment without manual intervention is realized, and the automatic management level and reliability of an industrial bus network are remarkably improved.

This invention relates to the field of industrial automation and control network technology, and discloses a real-time synchronization method system for LonWorks networks based on digital twin variables. Applied to LonWorks fieldbus networks, it is implemented based on a heterogeneous node system consisting of a general-purpose processing module, a LonTalk protocol processing module, and a high-speed serial communication bus. The general-purpose processing module carries a manager, the LonTalk protocol processing module maintains standard LonWorks network variables and has a built-in LonTalk protocol stack, and the high-speed serial communication bus transmits DTVP data frames. This invention achieves a significant leap in node computing power, freeing nodes from the limitations of dedicated communication chips and allowing them to directly utilize the high performance of industry-leading general-purpose microcontrollers to easily handle complex control algorithms, real-time data filtering, lightweight artificial intelligence inference, and other complex tasks.

The present invention provides a method and device for linking an existing fieldbus-based automatic control system with an Internet of Things system at the lower level of each system. A linkage device applicable to one embodiment of the present invention includes: a fieldbus connection unit, connected to the automatic control system based on a fieldbus communication protocol; an Internet of Things connection unit, connected to the Internet of Things system based on an Internet of Things communication protocol; a fieldbus virtual input and output memory, used to link the input and output information of the two systems; a message forming unit, used to form input and output messages; and a message processing unit, used to process the input and output messages. The linkage method applicable to one embodiment of the present invention can variably form input and output messages by receiving message metadata from the Internet of Things system that also includes addresses related to input and output messages of the fieldbus virtual input and output memory, and can flexibly represent various input and output information of the automatic control system and process the input and output messages.

A gateway (2) for a fieldbus system (100), wherein the gateway (2) comprises a first processor (6) with a first operating system (62), a second processor (7) with a second operating system (72) which is different from the first operating system (62) and has a virtual Ethernet interface (73), and an inter-processor communication interface (9) which is designed to enable an Ethernet protocol-based inter-process communication between the first operating system (62) and the second operating system (72) using the virtual Ethernet interface (73).

The invention provides an indoor mobile phone positioning method, which relates to the field of positioning and comprises the following steps of: S1, detecting IMEI (International Mobile Equipment Identity), IMSI (International Mobile Subscriber Identity) and SUCI (Subscriber Identity Control Identity) information of a mobile phone in a target area through mobile phone code detection equipment, comparing with a pre-registration database, and identifying an unregistered mobile phone; s2, covering the mobile phone code detection signal to a target area through an indoor distribution system, wherein the indoor distribution system comprises a power divider, a coupler, a feeder line and an antenna; s3, arranging a signal switch at the joint of the power divider, the coupler, the feeder line and the antenna, and connecting the signal switch and the controller through an industrial field bus; and S4, the controller controls the on-off state of each switch through the independent codes of the signal switches, and dynamically divides signal coverage sub-regions. Through the indoor distribution system and the signal switch dynamic control module, dynamic signal coverage and area division of the target area are realized, and the problem that in the prior art, a positioning method based on base station signals cannot distinguish indoor micro areas is solved.

According to the embedded MCU online updating architecture based on the array surface optical fiber channel and the field bus, the existing array surface optical fiber channel is utilized, effective optical fiber data are analyzed through a digital board and forwarded to a control and protection node, and therefore control and protection node MCU networking is achieved to obtain programming data and update and cure the programming data. Meanwhile, compared with a traditional on-line updating method for the MCU of the control and protection node based on field bus networking, in order to further improve the program updating efficiency, all the control and protection nodes of the array plane are updated and maintained at the same time through the characteristics of optical fiber networking, and an original multiple field bus network of the array plane is upgraded into a parallel updating network.

The invention relates to a data acquisition device (6), which comprises a multi-channel HART multiplexer (9), whose channels (10) are provided with coupling elements (11) for capacitive coupling with a plurality of HART field devices fed by a current loop. A HART modem (12) is arranged downstream of the multiplexer, and a processor (13) with a field bus interface (14) and controlling the HART communication of the data acquisition device is arranged downstream thereof. In order to quickly and automatically identify changes in the connection configuration of the field devices capacitively coupled to the multiplexer, each channel is connected to a pulse discriminator (15), which detects signal pulses caused by interrupting and / or connecting the loop current on the channel and different from the HART signal, and generates an interrupt signal (18) for the processor when detecting the pulses. The processor is designed to terminate the HART communication running on the relevant channel in response to the interrupt signal and generate a HART command for requesting the identification of the HART field device on the channel.

The application discloses an EtherCAT master station synchronization control method and system based on a microkernel operating system, and belongs to the technical field of industrial automation fieldbus control. The system adopts a microkernel architecture, deploys an EtherCAT protocol stack and a general network protocol stack as two independent user state processes, and carries out data interaction through an inter-process communication and shared memory mechanism provided by the microkernel. The method combines static compensation in the system initialization stage and dynamic compensation in the running stage through a bidirectional dynamic clock compensation mechanism, adopts a dynamic task scheduling strategy based on load sensing, dynamically adjusts the task execution order according to the real-time monitored CPU usage and task priority, introduces a hardware redundancy design of double clock sources and double communication links, and adopts a gradual synchronization recovery strategy during switching. The application can realize nanosecond-level synchronization accuracy and microsecond-level fault switching, and is suitable for industrial control scenes with extremely high real-time and reliability requirements.

The application discloses a dynamic terminal resistance adaptive adjustment method, device, equipment and medium, and belongs to the technical field of industrial fieldbus communication. The method comprises the following steps: judging whether the current node is the physical end of the bus or not, disconnecting the terminal matching if the current node is not the end, and injecting a preset rising edge calibration pulse into the bus if the current node is the end; collecting a reflected signal generated by the calibration pulse on the bus, and recording waveform characteristic parameters including at least an overshoot amplitude and a ringing duration; according to the waveform characteristic parameters, iteratively adjusting a terminal resistance value by using a variable step strategy, increasing the resistance value when the overshoot amplitude exceeds a preset amplitude threshold, decreasing the resistance value when the ringing duration exceeds a preset time threshold, and stopping until a matching completion condition is met; and locking the optimal terminal resistance as the matching resistance value under the current communication mode. The application realizes automatic identification of the end node and closed-loop adaptive adjustment of the terminal resistance, and significantly improves the signal integrity and reliability of the bus communication.

The utility model discloses a high-voltage cable grounding ring current on-line monitoring system, and belongs to the technical field of electric power systems. Comprising a centralized control center, a transformer substation, a control box and a grounding box, the grounding box is connected with the control box through a grounding wire, the control box is converged to a field bus through communication optical fibers to be connected with the transformer substation, the transformer substation is connected with the centralized control center through a network, and the centralized control center outputs through the network. According to the utility model, cable state parameters and tunnel environment parameters of each measurement point can be received in real time, the monitoring data can be sent to the transformer station level server, control commands sent by the transformer station level server can be received at the same time, and the communication anti-interference capability is strong. And when a cable metal sheath has a grounding fault, relatively large power frequency short-circuit current flows through the cable sheath and a grounding wire and lasts for a plurality of cycles, and the amplitude and direction of the first half-wave of the short-circuit current at the two ends of the cable are monitored, so that whether a breakdown point is on the cable can be accurately judged.

A control device (e.g., a controller), especially for building automation, for controlling one or more field devices, which are connected to the control device in a data-technical manner via a communication network, especially via a fieldbus, wherein the field devices include a wireless service interface (wireless service interface, e.g., a WiFi interface), and wherein the control device is configured to receive a service signal generated by the field device and activate (or switch on) the wireless service interface based on this service signal. A method for transmitting data to a control device, which is used to control one or more field devices, which are connected to the control device in a data-technical manner via a communication network, especially via a fieldbus, wherein the wireless service interface of the control device is activated via a service signal generated by the field device and sent to the control device, and wherein after the wireless service interface is activated by a tool (e.g., an engineering tool, a commissioning tool), the data is transmitted to the control device via the wireless service interface.

The invention relates to the technical field of industrial automation, in particular to a method for quickly realizing multi-PLC cooperative control, which comprises a hardware part mainly consisting of an embedded processor, various communication protocols and an industrial field bus transceiver module, and a software part mainly consisting of a PLC data collection module, a PLC control instruction issuing module and a cooperative control logic module. Through mutual cooperation of a hardware part and a software part, the problems that PLC hardware platforms of manufacturers have differences, the supported PLC programming languages are not completely the same, and communication protocols among different PLCs have standard differences are solved, so that in an industrial automation project involving multi-type PLC cooperative control, the PLC programming languages are not completely the same, and the PLC programming languages are not completely the same are solved. And due to the limitation of universality and compatibility of different PLC devices, the integrated debugging difficulty of the industrial automation project is suddenly increased, and the cost is high.

The present invention relates to the field of coke oven carbonization chamber pressure control and discloses a coke oven carbonization chamber pressure monotonic system, comprising: a plurality of coke oven carbonization chamber pressure monotonic subsystems matching the number of coke ovens, wherein each two coke ovens share one coke oven pressure monotonic subsystem; each coke oven pressure monotonic subsystem comprises a control system cabinet and a field control cabinet; a DCS system is installed in the control system cabinet, which collects data and controls field equipment via a fieldbus module; each control system cabinet is connected to the field control cabinets on the tops of the two coke ovens via optical fibers; a plurality of field control cabinets are installed on the gas collecting duct platform on the top of each coke oven, and the plurality of field control cabinets are connected to each other using a star topology network; a plurality of monitoring and operating stations matching the number of coke ovens are provided, and the plurality of coke oven pressure monotonic subsystems are connected to a first number of monitoring and operating stations located in a centralized control center via optical fibers in a ring topology structure. Thus, pressure control of the coke oven carbonization chamber is achieved.

The invention relates to a method (100) for starting up a field device (10) in an automation system () which has a superordinate control unit (30). In the method (100) according to the invention, a simulation value (25) to be output to the field device (10) is specified by a handheld device (20). A logical measurement point (36) at which the simulation value (25) is output is determined in the superordinate control unit (30). The determined logical measurement point (36) is compared with a target measurement point (38). In the event of a match, the field device (10) is operated via the present communicative field bus connection (19). The invention also relates to a corresponding computer program product (40), to a handheld device (20), to a corresponding field device (10), and to a correspondingly equipped automation system (50). The invention further relates to a simulation method (200) and to a simulation program product (60), by means of which the operating behavior of such an automation system (50) can be adjusted.

The invention discloses a wind turbine generator distributed control system and method based on field bus master-slave configuration. The system comprises a wind turbine generator master station controller, a cabin slave station controller, a transmission chain slave station controller, a variable pitch control system, a tower footing converter, a tower footing human-computer interface, a cabin human-computer interface and a field bus. The wind turbine generator master station controller is located on a wind turbine generator tower footing, is connected to the cabin field bus coupler from an optical port of the tower footing field bus coupler through an optical fiber, and is connected to the cabin slave station controller, the transmission chain slave station controller, the variable pitch control system and the cabin human-computer interface from a serial port of the cabin field bus coupler. And the tower footing converter and the tower footing man-machine interface are directly connected to a serial port of the master station field bus coupler through a field bus respectively. On the premise of guaranteeing the core technology intellectual property rights of main engine manufacturers and the safety performance of the whole machine, the non-core control function of the unit main control system is opened, and the problem of excessive dependence on the main engine manufacturers is effectively solved.

The present invention relates to a method for configuring and parameterizing fieldbus users (Ctr, Dev), the fieldbus users being connected to each other via a fieldbus (F), wherein at least one first fieldbus user (Dev) is designed to provide and / or receive process data (IO), and a second fieldbus user (Ctr) is designed to run an application (AP), wherein, in a first step (S1), a topology (Topo) with configuration parameters (CP) of the fieldbus users (Ctr, Dev) is determined in a configuration file (CD) by means of a configuration tool (CT), and in a second step (S2), the first fieldbus user (Dev) is parameterized to subsequently communicate via the fieldbus (F) with at least one configuration data set (Dconf), the configuration data set comprising at least a first part (GDI) of the configuration file (CD), wherein, in a third step (S3), an object-oriented class (class) with elements (E) and functions (f) is generated from the configuration file (CD) originating from a program library (PB) and other code parts (C1, ..., C5) for communication between the second fieldbus user (Ctr) and the first fieldbus user (Dev), wherein, in a fourth step (S4), the class (class) is instantiated in the application (AP) of the second fieldbus user (Ctr), and the function (f) is used for communication when the application (AP) is executed, so as to enable access (Z) to the process data (IO).

The invention belongs to the technical field of intelligent welding, and discloses an embedded intelligent voice welding system centralized controller device which comprises a centralized controller, a plurality of welding machine devices, a mobile phone APP, an upper computer and a cloud server. The centralized controller is connected with a touch screen or a display screen through an MIPI interface or an HDMI interface, the centralized controller is in communication connection with a mobile phone APP and a computer upper computer through a wireless network or 5G or Bluetooth, and the mobile phone APP and the computer upper computer complete intelligent query of welding parameters through voice input or text input. And part of welding key parameters can be adjusted on line. The operation flexibility of the equipment is improved in the mode that the welding machine equipment is controlled through a wireless network, visual drawing improves the intuition of monitoring of the welding process, the requirement for knowledge reserve of welders is lowered through use of the cloud server, and the working efficiency and the welding quality are improved.