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A sequential control method

A sequence control and control flow technology, applied in the direction of electrical program control, program control in sequence/logic controllers, etc., can solve problems such as low development efficiency, high error rate, and difficult maintenance

Active Publication Date: 2019-05-14
BEIJING MECHANICAL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the above analysis, the present invention aims to provide a sequence control method to solve the problems of low development efficiency, high error rate and difficult maintenance of existing sequence control methods

Method used

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Embodiment Construction

[0037] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, where the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention.

[0038] A specific embodiment of the present invention discloses a sequence control method. The flowchart of the method is as figure 1 As shown, it specifically includes the following steps:

[0039] Step S1, establishing a sequence control action library, specifically including the following sub-steps:

[0040] Step S101: Define actions that match the control device, including but not limited to: switch output, switch read in, analog output, analog read in, digital communication, etc.;

[0041] Step S102: Define attribute parameters for each action, including: action type, action content, running time, waiting time, next action when running normally, and next actio...

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Abstract

The invention relates to a sequence control method including the following steps of establishing a sequence control action library, including defining actions matched with a control device and defining attribute parameters for each action; generating a sequence control action flow, including cutting the control flow into actions and configuring attribute parameters for each action; generating a control flow of sequence control, including configuring the attribute parameters for the control flow; and controlling an engine load control flow and performing sequence control. The method realizes the abstraction, decomposition and reconstruction of the sequence control flow, can effectively improve the development efficiency of the sequence control software, thereby reducing the development error rate and improving the maintainability.

Description

Technical field [0001] The present invention relates to the technical field of automatic control, in particular to a sequence control method. Background technique [0002] Sequence control technology is an important branch of automatic control technology, and it is an extremely important control technology comparable to feedback control technology. Sequential control refers to the automatic control of the action of the actuator according to the rules of logic, sequence, timing or counting in the working process of the equipment, under the action of input commands, according to the preset sequence or the sequence set by a certain logic. With the rapid development of electronic technology, DSP (digital signal processor), ARM (advanced reduced instruction set processor), CPU (central processing unit) and other large-scale integrated circuits have been widely used in the field of sequence control. Logic and timing depend on software implementation. At present, the conventional solu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/04
CPCG05B19/04
Inventor 李正新王琳
Owner BEIJING MECHANICAL EQUIP INST
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