基于甘特图的过程免疫时间计算方法

ZHONG Qing

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基于甘特图的过程免疫时间计算方法

更新时间：2025-08-13

- 基于甘特图的过程免疫时间计算方法
- Automation of Electric Power Systems Vol. 43, Issue 7, Pages: 174-178(2019)
- 作者机构：
  
  华南理工大学电力学院,广东省,广州市,510641
- 作者简介：
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- DOI：
  CLC：
- Published：2019
- 稿件说明：
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ZHONG Qing. [J]. Automation of electric power systems, 2019, 43(7): 174-178.
DOI：

ZHONG Qing. [J]. Automation of electric power systems, 2019, 43(7): 174-178. DOI：

摘要

针对过程免疫时间(PIT)评估困难的问题，引入了甘特图的概念，提出了PIT的计算方法。首先，根据PIT定义和甘特图基本原理，梳理了二者之间的对应关系。其次，根据甘特图分析的需要，定义了元件免疫时间常数。然后，分析不同电压暂降形式下所涉及的元件及其连接关系，用甘特图进行描述，寻找关键路径计算PIT。最后，通过构建实验平台，以扶梯为实例，对比了PIT的理论计算值与实验测试值，验证了方法的有效性。所提方法能充分利用甘特图的优势，为复杂工业过程的PIT评估提供高效工具。

Abstract

Aiming at the difficulty of evaluating the process immunity time(PIT)

a method to calculate PIT based on Gantt chart has been presented. Firstly

according to the definition of PIT and the basic theory of Gantt chart

the relationship between them is analyzed. Secondly

a concept of immunity time constant(ITC)is defined to help to analyze Gantt chart. Then

the components under different types of voltage sag and their connection relationships are described in Gantt chart. With the critical path in the Gantt chart

the PIT can be calculated. Finally

an experimental test platform has been established. The escalator is taken as the researching object. With the comparison between the calculation and experimental test results

the effectiveness of the proposed method is verified

which can make full use of Gantt chart and provides an effective tool to evaluate the PIT for complicated industrial process.

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