9 results about "CANopen" patented technology

According to the CANopen-based remote I / O node dynamic topology identification and adaptive configuration method, key configuration data of equipment is stored in Flash, and power-on automatic loading is supported. A bus is scanned in real time through an RS485 interface, the number, types and topological positions of local newly-added I / O cards are automatically recognized, an object dictionary and a PDO mapping table are dynamically updated based on a recognition result, and hot plugging, dynamic adding and online expansion of the I / O cards are achieved. The object dictionary is provided with 0 * 2000 as an equipment state area and 0 * 2001-0 * 2010 as 16 independent I / O card configuration areas, and a master station can remotely modify and dynamically add parameters of I / O cards through an SDO interface to realize online parameter configuration and hierarchical management; the system expands multiple groups of PDO and combines with a master station synchronization signal, and can adapt to the data flow change after the I / O card is dynamically added. Automatic configuration, SDO online maintenance, dynamic identification and hot plug expansion are supported, the I / O card can be dynamically added without interrupting system operation, and topology expansibility, dynamics and real-time performance of the remote I / O node are improved.

This invention provides an edge computing-based fault prediction and health management system for wellhead equipment, relating to the field of wellhead equipment monitoring technology. It includes an edge node layer, a cloud management layer, and a cross-site federated collaboration layer. The edge node layer is deployed at the wellhead site for on-site preprocessing, fault prediction, and health assessment of wellhead sensor data. The cloud management layer is deployed at the oilfield monitoring center. This invention utilizes a lightweight edge-end fusion preprocessing architecture with a built-in multi-protocol adaptation stack, enabling plug-and-play adaptation to mainstream oilfield industrial protocols such as Modbus, CANopen, LoRaWAN, and HART. This solves the compatibility issues of sensors from different manufacturers, eliminating the need to modify existing sensors and reducing deployment costs. An improved translation-invariant wavelet denoising algorithm is optimized for low-computing-power edge scenarios, effectively eliminating noise interference caused by wellhead operating condition fluctuations at the edge.

The invention discloses a high-security software input and output configuration method based on a functional module, belongs to the technical field of aviation airborne equipment communication software configuration, aims at solving the problems of code redundancy, low development efficiency and poor compatibility and expandability, and comprises the following steps: S1, integrating equipment communication parameters through a three-level hierarchical configuration file; s2, constructing an indexed data dictionary based on the unified configuration file; s3, realizing dynamic construction and analysis of communication data by using the index; the configuration file replaces more than 70% of communication code writing work, the period for adapting to new equipment is shortened to the day level from the week level, duplicate codes are reduced, the number of code lines is reduced, the maintenance labor cost is reduced, when a new protocol (such as CANopen) is expanded through the configuration file, bottom layer codes do not need to be modified, compatibility is improved, and the method is suitable for popularization and application. And communication parameters are visually presented through a configuration file, and the communication fault troubleshooting time is shortened from an hour level to a minute level in combination with an index tracking function of a data dictionary.

This disclosure provides a CANopen master station fault diagnosis method and system based on a real-time operating system, applicable to a master station and slave station node system based on CANopen connection. The method includes the following steps: configuring a timed inspection task and a real-time push task; wherein the priority of the timed inspection task is lower than the priority of the real-time push task; in response to the wake-up of the timed inspection task, periodically collecting non-urgent diagnostic data and encapsulating it into a first diagnostic data frame; receiving a fault callback function from the CANopen protocol stack through a semaphore / notification mechanism to wake up the real-time push task and encapsulate a second diagnostic data frame; and sending the first diagnostic data frame and / or the second diagnostic data frame to a host computer. The fault diagnosis method and system of this disclosure significantly improve the fault response speed and recovery efficiency of the CANopen master station, enhance system reliability and maintainability, and are suitable for fields with stringent real-time requirements such as industrial automation and automotive electronics.

The invention relates to the technical field of protocol stack transplantation, and discloses a CANopen protocol stack transplantation method and device, equipment and a medium. The method comprises the following steps: acquiring target configuration information and target task information of a to-be-migrated motor driver; determining a target driving template based on the hardware configuration information of the main control chip; based on the target configuration information and the target task information, configuring a target driving template to obtain a configured driving template adaptive to the target configuration information; and transplanting the configuration driving template to a main control chip of the motor driver to be migrated. According to the embodiment of the invention, the transplantation efficiency of the CANopen protocol stack can be improved.

The invention belongs to the technical field of ship control systems, and particularly relates to a distributed control system for ship equipment based on a CANopen bus. Comprising an execution layer and a control layer. The execution layer is composed of a communication unit and a task management unit; the control layer is composed of an electronic control unit arranged on the equipment side and a data management unit arranged on the control side; the communication unit is configured at the side of the main equipment and each equipment to realize CANopen bus message receiving and transmitting, the task management unit creates and manages corresponding tasks of the equipment, and the data management unit creates and maintains necessary database resources of each equipment. According to the invention, efficient acquisition, accurate processing and real-time transmission of digital signals and analog signals can be realized, stable and reliable operation can be realized, and a data basis is provided for ship equipment management and optimization control.

The utility model relates to the technical field of industrial automation field data acquisition, in particular to a multichannel full-isolation digital transmitter based on a CANOpen protocol. Comprising an isolation power supply module, the input end of which is connected with a 24V DC power supply, and a switching power supply chip integrated with PWM / PFM dual-mode control drives a high-frequency transformer to generate three paths of isolation output power supplies which respectively supply power to a sensor signal conditioning circuit, an MCU control module, a peripheral circuit of the MCU control module and a CAN interface circuit. According to the utility model, by integrating the PWM / PFM dual-mode controlled switching power supply chip and the high-frequency transformer, three paths of isolated output power supplies are generated and respectively supply power to the sensor signal conditioning circuit, the MCU control module, the peripheral circuit of the MCU control module and the CAN interface circuit, so that the anti-interference performance of the system is effectively improved.

The invention relates to a micro-manipulator motion control system, and belongs to the technical field of program control. The motion control system comprises a PLC (Programmable Logic Controller), a CANopen module, an electric joint driver, a hydraulic joint driver, a communication line, an electric joint, a hydraulic joint and a man-machine display interface, wherein the functional modules are independent and cooperatively linked; and the PLC as a master station and slave station driver communicates by adopting a CANopen protocol, and accesses the object dictionary in a PDO mode, so that motion parameter control and working condition monitoring are realized. The method is simple in engineering implementation, short in development period, high in communication controllability, accurate in joint linkage and good in real-time performance, and solves the problems of difficulty in model selection, complexity in protocol adaptation and instruction deviation in the prior art.

The present invention relates to a remote AI monitoring and control unit designed for industrial automation. This unit integrates multiple communication protocols, advanced artificial intelligence (AI) capabilities, and enhanced security features to autonomously or semi-autonomously monitor and control industrial processes. The unit supports a wide range of communication protocols, including MQTT, USART, CAN bus, I2C, SPI, Modbus, Profibus, DeviceNet, EtherNet / IP, CANopen, PROFINET, BACnet, DNP3, and HART, ensuring seamless interoperability with various industrial devices. It features adaptive communication, predictive maintenance, anomaly detection, and edge AI processing. Enhanced security is achieved through blockchain integration, AI-based threat detection, and multi-layered encryption. The unit also incorporates energy-efficient operation with energy harvesting and AI-optimized power management. An augmented reality (AR) interface provides real-time data visualization and remote assistance. The modular and scalable design allows for easy customization and expansion, while a user-friendly software interface offers customizable dashboards and AI-driven insights.