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Real-time value loading method and system for multiple operation cycles, equipment and storage medium

A computing cycle and real-time value technology, which is applied in the general control system, control/regulation system, comprehensive factory control, etc., can solve the problems of complex real-time value loading operation and high requirements, and achieve the effect of maintaining stability and ensuring logic

Active Publication Date: 2022-01-28
XIAN THERMAL POWER RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the lower computer needs to respond to this operation process in a timely manner and ensure the effective period of the real-time value in the same operation cycle to ensure the operation results. When faced with multiple operation cycles, the real-time value loading operation is more complicated and the requirements for this operation are even higher. high

Method used

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  • Real-time value loading method and system for multiple operation cycles, equipment and storage medium
  • Real-time value loading method and system for multiple operation cycles, equipment and storage medium
  • Real-time value loading method and system for multiple operation cycles, equipment and storage medium

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Experimental program
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Embodiment approach

[0039] Such as figure 1 As shown, the present invention provides a kind of real-time value loading method for multi-computing cycles, comprising the following steps:

[0040] Before entering the computing task corresponding to each computing cycle, pre-judging whether the real-time value queue corresponding to the computing cycle has a newly pushed real-time value;

[0041] If there is a newly pushed real-time value, then obtain the usage authority of the real-time value queue;

[0042] Determining the number of real-time values ​​that need to be loaded for the real-time value queue for which the usage authority is acquired;

[0043] Using the number of real-time values ​​as the number of traversal times, start traversing from the initial position of the real-time value queue, and locate the first real-time value traversed for the first time to the memory of the controller according to the information of the first real-time value In the old data value place of the POU page c...

Embodiment

[0047] The present invention provides a real-time value loading method oriented to multiple computing cycles, comprising the following steps:

[0048] S1, before entering the computing task corresponding to each computing cycle, pre-judging whether the real-time value queue corresponding to the computing cycle has a newly pushed real-time value:

[0049] If not, if there is no newly pushed real-time value, no real-time value loading is required, and the POU page operation is performed directly.

[0050] If so, obtain the usage authority of the real-time value queue; carry out subsequent real-time value loading work;

[0051] S2. Obtain the permission to use the real-time value queue;

[0052] The acquiring the use authority of the real-time value queue is specifically acquiring the write operation or read operation authority of the real-time value queue;

[0053] At the same time, the acquisition of the real-time value queue only has write operation or read operation permiss...

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Abstract

The invention provides a multi-operation-cycle-oriented real-time value loading method, system and device and a storage medium, and the method comprises the steps: pre-judging whether a real-time value queue corresponding to an operation cycle has a newly pressed real-time value or not before entering an operation task corresponding to each operation cycle, and obtaining the use authority of the real-time value queue; determining the number of real-time values needing to be loaded according to the real-time value queue of which the use permission is obtained; taking the number of the real-time values as traversal times, starting traversal from the initial position of the real-time value queue, and copying the data value of the first real-time value to the old data value; and carrying out the next traversal until the traversal times are finished or the real-time value in the real-time value queue is null, and finishing the loading of the real-time value of the operation period. According to the method, the algorithm task is prevented from being interrupted, the stability of the operation task in the system is maintained, and the logicality in algorithm operation is ensured; and due to the fact that the operation period is considered, the operation result conforms to engineering expectation.

Description

technical field [0001] The invention belongs to the technical field of DCS transmission data processing, and in particular relates to a multi-calculation cycle-oriented real-time value loading method, system, device and storage medium. Background technique [0002] A Distributed Control System (DCS for short) is a control system specially designed to control complex, large-scale applications in industrial processes. The controller is the brain of the distributed control system, which controls the various parts geographically distributed in the control area, and executes the control algorithms and configurations of various devices, and handles the network communication between the engineering PCs, which passes simplex or redundant Additional configuration is implemented to better control the performance of complex processes. The reliability, stability, and high timeliness of the controller are the guarantees for the high reliability, flexibility, coordination, and stability ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/41845G05B2219/33273Y02P90/02
Inventor 宋美艳卢海松翟亮晶程国栋张斌徐卫峰张勇李亚都王哲蓓
Owner XIAN THERMAL POWER RES INST CO LTD
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