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Application method of z-domain root locus based on flex in virtual experiment

A technology of virtual experiment and application method, which is applied in the field of virtual experiment and can solve problems such as limited application

Active Publication Date: 2016-12-28
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, MATLAB cannot be combined with network technology, which limits its application in virtual experiments

Method used

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  • Application method of z-domain root locus based on flex in virtual experiment
  • Application method of z-domain root locus based on flex in virtual experiment
  • Application method of z-domain root locus based on flex in virtual experiment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0095] Such as figure 1 As shown, a Flex-based application method of Z-domain root locus in virtual experiments includes the following steps:

[0096] (1) Set the controlled object, set the sampling time, and select the controller type;

[0097] (2) Draw root locus of Z domain;

[0098] (3) Determine whether to zoom in on the Z-domain root locus graphics and icons, if yes, go to step (4), otherwise go to step (5);

[0099] (4) Zoom in on the root locus of the Z domain and execute step (5);

[0100] (5) Determine the gain value k of the controller in the computer control system;

[0101] (6) Fill in the value of k in the controller and run the computer control system;

[0102] (7) Determine whether the system performance index requirements are met, if yes, end, otherwise return to step (5).

[0103] Such as figure 2 As shown, the drawing of Z-domain root locus in step (2) includes the following steps:

[0104] 1) Obtain computer control system parameters;

[0105] 2) Establish closed-loop c...

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Abstract

The invention relates to a method for an application of a Z-domain root locus to a virtual experiment based on Flex. The method comprises the following steps: (1) setting parameters of a computer control system; (2) drawing the Z-domain root locus; (3) judging if a figure and an icon of the Z-domain root locus are amplified, if so, performing the step (4), and otherwise, performing the step (5); (4) amplifying the Z-domain root locus and performing the step (5); (5) determining a gain value k of a controller in the computer control system; (6) filling the value k in the controller and running the computer control system; and (7) judging if the system performance index requirement is met. Compared with the prior art, the great interactivity and realizability are achieved, the user experience is enhanced, the seamless integration with an application program of the virtual experiment can be also realized, and the method has the advantages of good compatibility, a plurality of data interaction modes, capability of reducing a server burden and the like.

Description

Technical field [0001] The invention relates to the virtual experiment field of a computer control system, in particular to an application method of a Flex-based Z domain root locus in the virtual experiment. Background technique [0002] A computer control system is a system that uses a computer to realize automatic control of industrial processes, and realizes the design and analysis of a sampling system through interaction with the computer. In virtual experiments oriented to control disciplines, most of the systems are automatic control systems based on the principle of feedback, that is, closed-loop control systems, which compare the deviation between the system output value and the expected value, and eliminate the deviation to obtain the expected performance index system. In a closed-loop control system, a digital computer can be used as a controller or compensator. In the study of the computer control system course, students need to use virtual experiments to learn the ...

Claims

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Application Information

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IPC IPC(8): G06F19/00G06F9/44
Inventor 乔非王晓平陆剑峰高艳婷
Owner TONGJI UNIV
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