Industrial embedded control system based on EtherCAT bus

An embedded control and industrial technology, applied in general control systems, control/regulation systems, adaptive control, etc., can solve the problems of non-affine nonlinear systems with few research results, unable to improve network energy utilization, and unable to improve query. success rate, etc.

Inactive Publication Date: 2018-09-25
GUANGDONG TECHN COLLEGE OF WATER RESOURCES & ELECTRIC ENG
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0008] The existing EtherCAT bus-based industrial embedded control system has a large error in synchronous communication between the master and slave stations; at the same time, the reliability of the EtherCAT system is low
[0009] The existing technology does not cluster the nodes and considers many factors comprehensively, which is inconvenient to control the topology of the network and the collection and transmission of data
Can not effectively improve the reliability of the data
Can not greatly improve the success rate of the query, but also maximize the life cycle of the network, can not improve the utilization rate of network energy
[0010] At present, there are few research results related to the fault-tolerant control of non-affine nonlinear systems.

Method used

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  • Industrial embedded control system based on EtherCAT bus
  • Industrial embedded control system based on EtherCAT bus
  • Industrial embedded control system based on EtherCAT bus

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Embodiment Construction

[0105] In order to further understand the content, features and effects of the present invention, the following examples are given, and detailed descriptions are given below with reference to the accompanying drawings.

[0106] Such as figure 1 As shown, the industrial embedded control system based on the EtherCAT bus provided by the embodiment of the present invention includes: an instruction input module 1, a parameter configuration module 2, a central control module 3, an instruction analysis module 4, a clock distribution module 5, and a data communication module 6 , fault tolerance module 7.

[0107] The clock distribution module 5 provided by the present invention includes a delay setting module, a clock sending module, and a start control module;

[0108] The delay setting module is used to measure the transmission delay and time offset from the master station to the reference clock slave station and set the calculation result to the reference clock slave station;

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Abstract

The invention belongs to the technical field of industrial embedded control and discloses an industrial embedded control system based on an EtherCAT bus. The industrial embedded control system based on the EtherCAT bus is provided with an instruction input module, a parameter configuration module, a central control module, an instruction analysis module, a clock distribution module, a data communication module and a fault tolerance module. Adding of modules to kernel space of an operating system is not needed, adding of real-time patches is not needed either, and accurate master and slave station synchronous communication can be realized. Through the fault tolerance module, the EtherCAT system structure and the message transmission reliability are analyzed, according to a master-slave structure and a rapid transmission mode, poisson distribution is used to predict the instantaneous fault probability during a message sending and transmitting process, the reliability of the EtherCAT system is improved, and a scheme for a message scheduling and fault tolerance method in the EtherCAT system is formed.

Description

technical field [0001] The invention belongs to the technical field of industrial embedded control, in particular to an industrial embedded control system based on the EtherCAT bus. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] EtherCAT (Ethernet Control Automation Technology) is an Ethernet-based fieldbus system with an open architecture; Ethercat advocates "Ethernet Control Automation Technology". It is an open-source, high-performance system designed to utilize the Ethernet protocol (MFN System LAN) in an industrial environment, with particular concern for factories and other manufacturing industries, where robots and other equipment are utilized on-line technology. However, the existing EtherCAT bus-based industrial embedded control system has a large error in synchronous communication between the master and slave stations; at the same time, the reliability of the EtherCAT system is low. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04
CPCG05B13/042G05B13/048
Inventor 邵忠良黄诚邓桂芳刘江帆王思婷
Owner GUANGDONG TECHN COLLEGE OF WATER RESOURCES & ELECTRIC ENG
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