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Data sharing method applied among multiple virtual controllers

A technology of virtual controller and data sharing, which is applied in the direction of program control, general control system, control/regulation system, etc. It can solve the problems of low resource sharing and poor data synchronization efficiency, and achieve a good communication foundation and improve communication efficiency. Effect

Active Publication Date: 2017-05-31
IAP FUJIAN TECH CO LTD
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to establish a resource sharing basis for processing large-scale and complex control tasks between multiple virtual controllers, especially for data interaction between different physical stations, the present invention proposes a multi-virtual controller The data sharing method among the industrial control system; solve the technical problems such as poor data synchronization efficiency and low resource sharing degree among the virtual controller nodes of the industrial control system

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  • Data sharing method applied among multiple virtual controllers
  • Data sharing method applied among multiple virtual controllers
  • Data sharing method applied among multiple virtual controllers

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Embodiment Construction

[0046] see Figure 1 to Figure 4 As shown, a data sharing method between multiple virtual controllers is characterized in that: the method is: setting a virtual controller software, and adopting a multi-engine mode to realize the simulation of multiple virtual controller functions; The virtual controller software executes the control configuration program written by the user from the upper computer, and performs real-time monitoring and online modification of the data in the calculation process of the control configuration program; the interior of the virtual controller software is composed of multiple virtual controllers , a data monitoring module, an online modification module and a global shared memory module; through the data monitoring module, the data controlling the calculation process of the configuration program can be monitored in real time; through the online modification module, the data controlling the calculation process of the configuration program can be monitor...

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Abstract

The invention provides a data sharing method applied among multiple virtual controllers. The method comprises the steps that virtual controller software is arranged, and function simulation of multiple virtual controllers is achieved by adopting a multi-engine mode; the virtual controller software is used for executing a control configuration program which is programmed by a user of an upper computer and conducting real-time monitoring and on-line modifying on data obtained in the calculation process of the control configuration program; the multi-engine mode is implemented through the steps that multiple software execution environments capable of driving the control configuration program to conduct calculation is constructed by loading and running multiple calculation engine programs in a physical computer, and then function simulation of the virtual controllers is achieved. According to the data sharing method, the technical problems that among nodes of the virtual controllers of an industrial control system, the data synchronization efficiency is poor, and the resource sharing degree is low are solved.

Description

technical field [0001] The invention relates to the technical field of industrial automation control, in particular to a data sharing method among multiple virtual controllers. Background technique [0002] In large-scale industrial control systems, virtual simulation platform is widely used because it can highly realistically simulate the dynamic operation of real control systems. At present, all major industrial control system manufacturers embed virtual controller software in their industrial control software products. The so-called virtual controller software, its main function is to virtualize the hardware functions of industrial field controllers, instead of physical control The controller completes the calculation and communication tasks of the control configuration. With the help of this software, users can debug and correct the control configuration program written by themselves in advance, and then import the program into the actual control system for use. This me...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/021G05B2219/24065
Inventor 郑松刘朝儒熊华锋王云霞何俊欣郑明明叶建斌郑蓉
Owner IAP FUJIAN TECH CO LTD
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