54 results about "Fieldbus" patented technology

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 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.

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 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 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 steam generator liquid level control system verification platform based on hardware-in-the-loop simulation, and belongs to the technical field of nuclear reactor control. The invention aims to solve the problem of inaccurate description of physical equipment characteristics in the existing simulation technology. The platform comprises a DCS control system, a controlled device, an industrial control computer and a data communication network. The DCS control system comprises an upper computer, a Siemens S7-400 controller and a Siemens ET200M distributed I / O system, the controlled device is a Speedgoat real-time simulation platform carrying a steam generator simulation model, and the data communication network is composed of an industrial Ethernet and a PROFIBUS field bus. The platform supports a rapid control prototype and hardware-in-the-loop simulation dual mode, is compatible with PID and an intelligent control algorithm, has the functions of data storage, visual monitoring and the like, can accurately simulate actual working conditions, realizes full-process coverage from design to verification, improves simulation credibility and research and development efficiency, and provides a reliable test environment for steam generator liquid level control research.

This invention discloses a method and apparatus for automatic unloading and reloading control of a multi-robot collaborative tippler, relating to the field of robot collaborative control technology. The method includes: constructing a master-slave communication architecture for the tippler, comprising a master PLC acting as the network master and multiple working robots acting as network slaves, all connected to a fieldbus; the master PLC generating collaborative control commands based on the tippler's operating instructions; controlling the unloading and reloading operations of the multiple robots based on the collaborative control commands; before control implementation, acquiring the angular velocities of the master and slave motors via the fieldbus, calculating the angular velocity deviation, and generating an auxiliary control quantity that is superimposed on the slave motors to achieve angular velocity synchronization between the master and slave motors. This invention solves the technical problem in existing technologies where insufficient synchronization accuracy of master and slave motors in multi-robot collaborative operation scenarios affects the coordination and accuracy of collaborative control in multi-robot unloading and reloading operations, achieving the technical effect of improving the operational stability of the tippler and the accuracy and automation level of multi-robot collaborative unloading and reloading operations.

The invention discloses an automatically-controlled full-automatic cell culture system control scheme, relates to the technical field of cell culture and automatic control, and constructs a distributed control network with an industrial personal computer in a man-machine interaction system as a central command center. Real-time and two-way communication with local control panels of all functional systems is established through various field bus protocols, and each system is an execution unit with independent processing capacity and is responsible for receiving high-level process instructions and analyzing the high-level process instructions into accurate pulse control over a bottom servo motor and a stepping motor, so that the control precision of the system is improved. According to the framework, the central controller can efficiently arrange space-time action sequences of the six-axis robot, the electric clamping jaw and all functional systems in a task scheduling mode, whole-course automatic assembly line work from taking out of a cell bottle from a storage rack, transferring, uncovering, pipetting, liquid adding and centrifuging to finally putting into an incubator is achieved, manual intervention nodes are eliminated, and the working efficiency is improved. And the absolute standardization and repeatability of the operation are ensured.

The application relates to the technical field of data processing, and discloses an automatic control platform operation data management method. The method comprises the following steps: collecting industrial equipment data through a field bus, storing the data in a database in a classified manner and establishing an index table, extracting a control loop to construct a DCS model, generating a process abnormality diagnosis report, calculating control parameters and outputting control instructions by using a self-tuning algorithm, optimizing a process formula based on implementation effects and constructing a recommended knowledge base. The application realizes an intelligent data management method for accurately diagnosing process abnormalities, automatically optimizing control parameters and continuously accumulating process knowledge, so that the control precision, diagnosis efficiency, parameter optimization capability and knowledge reuse level of an industrial production process are improved.

This invention discloses a fully automatic vertical fish-killing machine control system based on TwinCAT3, belonging to the field of automated control technology for aquatic product processing equipment. The system adopts an open architecture of "PC + TwinCAT3," with EtherCAT fieldbus as the communication core. The hardware consists of a host computer, Beckhoff embedded controller, servo drive unit, sensors, and actuators for transmission, positioning, descaling, cutting, and evisceration. The software is developed based on the TwinCAT3 platform, integrating modules for fish size detection, multi-axis synchronous motion, process timing control, status monitoring, and human-machine interaction. The system acquires fish size parameters through displacement and photoelectric sensors, and relies on servo control and timing logic to achieve coordinated actions of various mechanisms, completing the fully automated fish-killing process. This system has a simple structure, reliable control, and moderate development and debugging difficulty. It solves the problems of asynchronous actions, poor fish adaptability, and insufficient processing accuracy in traditional fish-killing machines, and can meet the automated processing needs of common fish species.

This invention relates to the field of intelligent assembly control and discloses a logic control system for intelligent assembly of radiators, including: an industrial fieldbus interface unit, a control state observation unit, and a core logic scheduling unit. Its core function lies in using the core logic scheduling unit to monitor the statistical variance of the force feedback signal to determine the contact transient, initiating a contact transient logic masking program, cutting off the deviation accumulation path by latching the state variables of the multiplication branch, and simultaneously switching the control architecture to an open-loop feedforward compensation topology based on the comprehensive disturbance estimate. This invention utilizes the second-order differential residual of the back electromotive force to construct a masking mechanism, avoiding the risk of command step jumps induced by sensor feedback lag during physical contact transients, converting uncontrollable mechanical impacts into a deterministic logic dissipation process, and achieving smooth control handover when the controlled assembly end crosses the physical boundary.

The invention relates to the technical field of safety monitoring, and particularly discloses a dry coal shed safety monitoring system, which comprises a data acquisition module, a data transmission module, a data processing module, a data storage module, a data processing module, a data processing module and a data processing module, and is characterized in that stress sensors, laser displacement meters, settlement sensors and steel rope meters are arranged at key parts of a dry coal shed; data are transmitted to a master control server with a built-in finite element analysis and data processing module and a model building module through a collector, a finite element model is built according to design parameters, foundation displacement working conditions of + / -5 mm to + / -50 mm are simulated, the mapping relation between an upper structure and foundation displacement is fitted, the data processing module is used for correcting displacement data through the mapping relation, and the displacement data are obtained. And the early warning module is used for setting a multi-parameter threshold value, and triggering initial / middle / advanced early warning according to single abnormality, multi-parameter abnormality and continuous increase of the basic displacement. The system realizes real-time comprehensive monitoring, fills the blank of the prior art, and ensures the safety and stability of the dry coal shed.

The present invention relates to a thermal management module (1) comprising: a component carrier (2); at least two, preferably multiple, electrically controllable functional components (3) for temperature control of at least one vehicle component of a motor vehicle, the functional components being detachably or non-detachably connected to the component carrier (2); at least one electrical control unit (4) comprising a control electronics system (5) for electrically controlling at least two, preferably multiple, particularly preferably all functional components (3), the control electronics system being electrically connected to the respective functional components (3) via at least one electrical control line path (6) and / or via a component fieldbus (7), and disposed in a housing (8) of the control unit (4); wherein the housing (8) of the control unit (4) is detachably or non-detachably fixed to at least one of the component carrier (2) and / or the functional components (3).

The application discloses a 5G intelligent edge terminal supporting a TSN network, which comprises a 5G module and an embedded unit bidirectionally connected with the 5G module, wherein the embedded unit comprises a central processing unit (CPU) and an embedded neural network processing unit (NPU), a TSN Ethernet interface and an industrial field bus interface bidirectionally connected with the CPU; the industrial field bus interface comprises an RS485 bus interface and a CANFD bus interface; the CPU comprises a multi-core ARM processor and a coprocessor bidirectionally connected with the multi-core ARM processor. The application realizes high-reliability and deterministic data interaction requirements between the 5G and TSN networks and the industrial field CANFD bus interface and the RS485 bus interface, promotes the development of industrial real-time networks and realizes industrial 4.0; the heterogeneous platform scheme is adopted, and the task of industrial field data network processing is realized by cooperation of the main processor and the coprocessor, and the requirements of equipment running speed, cost, configurability and the like are considered.

The application discloses a time correction method of an industrial control system, the system comprising a controller arranged in a master rack and at least one target module arranged in a slave rack, the controller and the at least one target module being connected through an industrial field bus, and the industrial field bus comprising one or more connection modes. The time correction method comprises: when the controller and the target module exchange messages through periodic scanning, determining a clock difference and a propagation delay of a local clock of the target module relative to a clock of the controller according to time information contained in a header of the message; and correcting the local clock of the target module according to the clock difference and the propagation delay of the local clock of the target module relative to the clock of the controller. The above method can accurately correct time without adding extra hardware to the industrial control system, thereby reducing cost and being applicable to various working environments. The application also discloses an industrial control system and a storage medium.

The embodiment of the application provides a high-frequency real-time control method and device based on an integrated bus architecture, divides a system into a solving module and a control module, realizes efficient data interaction through a concurrent queue, adopts an integrated architecture of an industrial Ethernet bus and a field bus, trains a load prediction model based on historical data, and realizes dynamic adjustment of a task weight coefficient. By establishing a motor abstraction layer, adaptive initialization of different types of motors is realized, and control parameters are dynamically generated based on the load prediction result. The method breaks through the limitations of the traditional fixed scheduling strategy, and through adaptive task scheduling and load prediction compensation, the real-time performance and reliability of multi-motor collaborative control are significantly improved.

The application relates to the technical field of intelligent home distributed control, in particular to a smart ventilation wall cabinet and a control system thereof, which comprises a wall cabinet body and a smart ventilation control system, the inner cavity of the wall cabinet body is divided into multiple independent storage compartments, each compartment is provided with an independent environment collection point and a ventilation execution mechanism; the smart ventilation control system comprises a central control unit, a distributed field control substation, a field bus communication module, a multi-modal environment sensing unit, a distributed ventilation execution unit, a man-machine interaction unit, an intelligent home linkage unit, a fault self-diagnosis unit and a power management unit, realizes accurate ventilation regulation of multiple areas in the cabinet, can match different ventilation strategies according to different stored articles, is compatible with whole-house intelligent home linkage, has the functions of self-diagnosis of equipment states and risk early warning, and has the functions of improving the technical problems of low ventilation control precision, poor operation reliability, insufficient fine prevention and control capability and weak scene adaptability of the intelligent wall cabinet.

This invention belongs to the field of CNC technology, specifically providing a method and system for coupled control of a robot and a CNC system. The method includes: inputting commands to each NML communication channel through an operating user interface; transmitting the commands from each channel interface to a task controller via their respective NML communication mechanisms; the task controller first interprets and converts the G-code of each channel, then processes the channel specifications and alarm information, finally decomposes the commands of each channel and transmits instructions to their respective I / O controllers, and then transmits them to the motion controller via shared memory; finally, the motion controller completes the motion planning for each channel. By combining the multi-channel technology of the Linux CNC system, multi-channel parameter configuration and EtherCAT fieldbus communication are achieved. The application of multi-channel CNC technology in robotic equipment is successfully realized, forming a system capable of simultaneously coupling and controlling two or more robots with the CNC system.

A circuit that features the following: an output stage (T H , T L ), which is connected to a first bus line (CANH) and a second bus line (CANL); a driver circuit (11) designed to drive the output stage (T H , T L ) depending on a first logic signal (DOUT) such that a corresponding bus voltage (V BUS ) is generated between the first bus line (CANH) and the second bus line (CANL); a slew rate control (16) coupled to the driver circuit (11) and configured to set a slew rate of the driver circuit (11) depending on an input signal (SR); and a monitoring circuit (15) configured to generate the input signal (SR) for the slew rate control (16), wherein the input signal (SR) indicates a higher slew rate during an arbitration phase of a data frame contained in the first logic signal (DOUT) than during a data transmission phase of the data frame.

Diagnostic module (DM) for the technical diagnosis of field devices (FG) of an automation system (AA), including: - To exchange control and / or regulation data between a local control unit (PLC) that has a fieldbus interface and is not configured with the cloud-based server (S); - At least one field device (FG); - A coupling module (GW) integrated into the field device (FG) with: o A web interface (WS-GW) for data communication with a cloud-based server (S) and for receiving an analysis message (ant) from the cloud-based server (S); ◯ A conversion module (UM) for generating a fieldbus message (fn) from the received analysis message (ant) and for sending the fieldbus message (fn) to the control unit (PLC); - A fieldbus (B) for internal communication between the devices of the automation system (AA) and for forwarding the generated fieldbus message (fn) to the control unit (PLC) for controlling the automation system (AA).

A method for configuring an electrochemical cell system. Embodiments may include a balance of plant functional tester configured to retrieve a fuel cell module (FCM) configuration based on an identifier of a FCM and provide the FCM configuration to a module voltage input / output (MVIO) module of the FCM via a fieldbus message. Embodiments may also include storing the FCM configuration on a memory of the MVIO module and providing it to an electrochemical cell system controller.

This invention discloses a method, system, device, and medium for fieldbus redundancy switching control, belonging to the field of fieldbus redundancy switching technology. The method includes: acquiring link data, eliminating transient interference through a time-domain verification model, and after confirming a steady-state fault, driving the physical model to synchronously switch the signal and shielding loops to complete topology reconstruction. The system includes a topology construction module, a data acquisition module, a time-domain verification and analysis module, a switching command generation module, and a physical execution module. This invention solves the problem of susceptibility to interference and misjudgment in traditional voltage threshold determination methods by introducing timing behavior feature analysis of failure characterization and de-jitter logic; it utilizes the electromagnetic attraction force generated by the anti-interference driving unit to force the physical synchronous migration of the signal loop and the shielding loop, solving the pain point of shielding layer floating or grounding conflict caused by traditional relay switching, effectively improving the logical confidence and physical immunity of redundancy switching, and ensuring the continuity of process variable data.

This invention discloses a dynamic fieldbus configuration system and its construction method, relating to the field of industrial automation control. The dynamic fieldbus configuration system includes a device scanning and modeling module, a topology construction and verification module, a configuration generation and verification module, an incremental update monitoring module, an automatic code generation module, and a configuration persistence management module. The construction method of this invention sequentially implements device scanning and modeling, dynamic topology construction and verification, configuration generation and verification, incremental update monitoring, automatic code generation, and configuration persistence management. This invention improves configuration adaptability and efficiency through dynamic topology construction, fine-grained incremental updates, and multi-dimensional verification, and achieves configuration reuse and reliable maintenance through template-driven code generation and JSON format persistence, making it suitable for CAN bus-related industrial control scenarios.

The invention relates to an open caisson mud resistance reduction automatic control system. A plurality of sets of distributed grouting control devices are uniformly distributed in the circumferential direction of an open caisson, are connected with a grouting pipeline system and are in communication connection with a master console through a field bus; a main pipe in the grouting pipeline system is connected with each set of distributed grouting control device through a branch pipe, each distributed grouting control device is integrated with a state sensing unit and an execution unit, and a PLC in a main console automatically and accurately controls the grouting amount and the grouting position according to the sinking state of the open caisson and real-time monitoring data. And it is ensured that the side friction is evenly reduced in the sinking process of the open caisson. According to the sinking state of the open caisson and real-time monitoring data, the injection amount and the injection position of the slurry can be automatically and accurately controlled, it is ensured that the side friction resistance of the open caisson is evenly reduced in the sinking process, and the sinking construction efficiency and safety of the open caisson are improved.

An industrial controller including a controller for controlling one or multiple field bus(es) in an automation system, first pieces of configuration information for configuring a communication link to a first cloud platform, second pieces of configuration information for configuring a communication link to a second cloud platform, and to for transfer process data of the automation system to the first and the second cloud platform.

The invention discloses a method for measuring time synchronization precision between network nodes. The method is suitable for multi-node synchronization performance testing in the fields of industrial wireless communication, industrial Ethernet, field buses and the like. According to the method, synchronous signals of all nodes are collected through a multi-channel signal edge detection circuit, a high-precision timestamp is generated in combination with a timing counter, and ordered scheduling and queueing processing of multi-node data are achieved through a cache-arbitration mechanism; and meanwhile, two implementation forms of'independent integrated 'and'split type of the acquisition device and the upper computer' are supported, long-time continuous data storage and synchronous precision statistics can be realized, and a measurement report containing a timestamp sequence and a precision index can be generated. According to the method, the defects that a traditional method cannot measure for a long time and multi-node data is prone to conflict are overcome, and the reliability and applicability of time synchronization precision measurement are improved.

This application provides a custom high-speed real-time communication and large-scale I / O processing system, relating to the field of industrial automation control. The system includes a master control system, an interface system, and slave systems. The master control system is responsible for issuing commands and data communication. The interface system is responsible for sending and receiving EtherCAT data frames and processing data with the master control system, and for sending and receiving custom data with the slave systems. The slave systems are responsible for low-level data processing, interacting with the interface system via a fieldbus using custom datasets. The system described in this application, through optimized module hardware circuit design, can effectively improve the processing speed of real-time I / O data, while ensuring normal master control communication even when multiple slave communication links fail. The application environment supports hot-swapping of slave modules, greatly improving the reliability of the PLC communication system.

Modular sensor and system platform for measurements, cleaning and calibration in analytical, gas temperature, pressure measurement, flow measurement and level measurement technology. - with integrated Ethernet technology Advanced Physical Layer (APL) and Single Pair Ethernet (SPE) as well as a modular electronics hardware and electronics software platform for measurement parameters, cleaning / calibration systems and service systems in liquid and / or gas analysis and / or temperature and / or pressure measurement technology and / or flow measurement technology and / or level measurement technology. - with integrated fieldbus Ethernet technology APL and / or SPE, PROFINET etherCAT, Ethernet TCP / IP, Ethernet UDP / IP and other similar and / or adapted fieldbus protocols, e.g. I / O-Link, USB, for potentially explosive (IECEX, ATEX, FM) and / or non-hazardous (non-EX) environments, - with direct connection option to programmable logic controllers (PLCs) and / or input / output units (I / Os or remote I / Os) of established system manufacturers, via fixed cable connection, implemented as a 2-wire and / or multi-wire connection, copper and / or fiber optic connection, and / or wireless connection, WLAN and / or Bluetooth as well as WirelessHART. - with direct connection option to PCs for explosion-hazardous and non-explosion-hazardous environments via USB and / or via interface or , USB modem for sensor-side Ethernet APL and / or SPE and / or PROFINET and other sensor-side fieldbuses, e.g. I / O-Link, PROFIBUS DP / PA or or FF, or HART-IP, or HART 4mA and specially adapted fieldbuses (where the modem can be used for explosion-hazardous and / or non-explosion-hazardous environments). - operable with standardized user interfaces, such as PACTware-FDT / DTM, and / or common field communicators, e.g. Emerson 475 Field Communicator for FF and HART or other systems from established manufacturers, or apps or application software for mobile operating systems, such as iPhone and / or PC, laptop with different operating systems (e.g. Apple, Windows and the like) and / or Visual Basic with Visual Basic XML Generator (which generates Simple Visual Basic Code to Read & Write XML Data and uses libraries for C++, Oracle Java, VB .Net, Silverlight, VB6).

The invention relates to the technical field of heat supply systems, and discloses a control system deployment method, device and equipment of an adjusting type quick-closing valve, a medium and a product, and the method comprises the steps that demand analysis is conducted on an existing PLC control system in a heat supply system; screening adaptive alternative spare parts according to spare part analysis; dCS system control logic is rewritten according to control logic analysis; a PLC control module of an existing PLC control system is replaced by the DCS control unit; a load pressure test and a data transmission stability test are carried out on the DCS control unit; when the test passes, the replacement spare parts are integrated to the DCS control unit, and DCS system control logic is written into the DCS control unit; and when the test is not passed, returning to the step of connecting the DCS control unit with other subsystems in the heat supply system through the industrial Ethernet or the field bus, and carrying out debugging connection again. The control reliability, compatibility and operation and maintenance convenience of the adjusting type quick-closing valve in the heat supply system are improved.