Self-adaptive construction method and operation method of control system of decoupling process flow

Abstract

The invention relates to the technical field of a process control system and discloses a self-adaptive construction method and an operation method of a control system for decoupling a process flow, which are used for abstractly describing generality of a process flow control logic as a logic network description; the input of the control logic is described as a condition; an intermediate operation layer of the control logic is described as a condition set; the output of the control logic is described as events, the events are used for controlling actions of controlled equipment, occurrence of one event is driven by one dependency condition set, and a corresponding condition set is matched for each event to serve as the dependency condition set; and according to the logic network description, an object-oriented programming method is adopted to create objects according to the logic network description, and network connection between the objects is established, so the control system is constructed. The technical problem that a control program needs to be written in a targeted mode according to the steps of different technological processes is solved, combinability of conditions, condition sets and events is high, realizable logic forms are rich, and the method does not depend on professional programming skills.

Description

technical field [0001] The invention relates to the technical field of process control systems. Background technique [0002] In the traditional process control system, the process flow and control software are tightly coupled, and developers write programs to run on the controller according to the control logic of the process system. But the process control logic is various, there is no common program framework, and changing the process usually means updating the software, which causes difficulties in development and maintenance for program design engineers: (1) Different process logics need to design different programs; The designed program structure is not uniform, the process is inconsistent, and the program reusability is poor. (2) Logical loopholes are likely to appear in programs that do not use a common method, and the realized logic is different from the design expectation. (3) When the logic needs to be upgraded and changed, due to the high coupling degree of the...

AI Technical Summary

Problems solved by technology

[0003] In view of the above-mentioned deficiencies in the prior art, the present invention provides a method for constructing an adaptive control system for decoupling technological processes, which solves the technical problem of needing to write control programs in a targeted manner according to the steps of different technological processes

Images