Element model based customized function block and configuration packaging method

A technology of component model and packaging method, which is applied in the direction of program control, comprehensive factory control, and instrumentation in sequence/logic controllers, can solve the problems of leakage, lack of control strategy in the controller, and key parameter packaging hiding, etc., to achieve The effect of confidentiality management

Active Publication Date: 2018-03-27
NR ELECTRIC CO LTD +1
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Problems solved by technology

However, the current general security method is to achieve management through external means such as authority management, which lacks the fun

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  • Element model based customized function block and configuration packaging method
  • Element model based customized function block and configuration packaging method
  • Element model based customized function block and configuration packaging method

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Embodiment Construction

[0028] In order to make the above content, features and advantages of the present invention clearer and easier to understand, the detailed implementation steps of the present invention will be specifically described below in conjunction with the accompanying drawings.

[0029] The present invention defines the inheritable function block element model according to the object-oriented method, realizes the basic algorithm function block that meets the application of industrial process control; and based on this, defines the configuration file structure to meet the needs of industrial control algorithm configuration and debugging ; Furthermore, using the characteristics of inheritable components, users can customize or encapsulate control logic and core algorithms to form functional blocks with protection and packaging characteristics to meet the needs of advanced applications.

[0030] A method for self-defining function blocks and configuration encapsulation based on component mo...

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Abstract

The invention provides an element model based customized function block and configuration packaging method. The method includes steps of a), defining an inheritable function block element model and designing a standard instantiation interface and a uniform data structure; b) instantiating algorithm type function blocks which are universal in industrial control field; c) defining a configuration file structure; d) based on a control strategy of the inheritable function block element model, packaging into a customized function block; e) storing the customized block information into an originalconfiguration file. According to the invention, from the perspective of function block modeling, thought of an object-oriented method is absorbed, typical features and key data information of the algorithm function block are extracted and the inheritable function block element model is established. On this basis, numerous basic algorithm function blocks of an arithmetic type, a logic type, a control type, a time type and the like are instantiated and algorithm configuration and debugging demands in industrial process control can be met.

Description

technical field [0001] The invention belongs to the field of industrial automation control, in particular to the algorithm configuration of function block diagrams used in industrial process control systems. Background technique [0002] In the field of industrial process control, Function Block Diagram (FBD, Function Block Diagram) has quickly become one of the most widely used industrial control logic programming languages ​​because of its intuitive and easy-to-understand features. However, as a programming language, Function Block Diagram has poor scalability and lacks user-defined features and elements. In order to solve this problem, the user usually proposes a function block requirement, and the industrial control manufacturer develops a special new function block accordingly. In addition, some manufacturers provide other programming languages, such as structured text (ST, Structured Text), as the language for user-defined new function blocks. However, the readabilit...

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/056G05B2219/13146Y02P90/02
Inventor 吴波徐卫峰牛洪海蔡丹臧峰
Owner NR ELECTRIC CO LTD
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