Application of fractional-order model in power plant control systems

GU Junjie; HOU Yafei; WANG Peng

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Application of fractional-order model in power plant control systems

更新时间：2025-09-28

- Application of fractional-order model in power plant control systems
- Thermal Power Generation Vol. 45, Issue 4, Pages: 106-110(2016)
- 作者机构：
  
  华北电力大学能源动力与机械工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM62
- Published：2016
- 稿件说明：
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GU Junjie, HOU Yafei, WANG Peng. Application of fractional-order model in power plant control systems[J]. Thermal power generation, 2016, 45(4): 106-110.
DOI：

GU Junjie, HOU Yafei, WANG Peng. Application of fractional-order model in power plant control systems[J]. Thermal power generation, 2016, 45(4): 106-110. DOI：

摘要

从分数阶微积分的数学定义推导出分数阶微积分的数值表达式

并利用粒子群优化算法辨识得到分数阶模型

将其应用于超超临界燃煤机组

得到燃料量与中间点压力之间的分数阶模型和整数阶模型

在所求模型的基础上设计了分数阶内模控制器

对整数阶控制器和分数阶控制器的控制效果进行对比。结果表明:分数阶内模控制器比整数阶内模控制器具有更好的控制效果和抗干扰能力。

Abstract

The mathematical expression of fractional-order calculus was derived from the fractional-order calculus definition

and then the particle swarm optimization algorithm was applied to identify the fractional-order model for the relationship between the fuel flow and intermediate-point pressure in supercritical power plant.On this basis

a fractional internal model controller(IMC)was designed.Moreover

the control effects of this IMC was compared with that of the conventional integer-order IMC.The results show that the fractional-order IMC this paper designed has better control effect and anti-disturbance ability.

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Related Institution

School of Power and Mechanical Engineering, Wuhan University

Department of Automation, North China Electric Power University

State Grid Beijing Electric Power Company

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