Applications of GPC-PID algorithm in bed temperature control of circulating fluidized bed boilers

GUO Wei; CHEN Chen; LU Zhenyu; ZHOU Li; YU Zhenbo

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Applications of GPC-PID algorithm in bed temperature control of circulating fluidized bed boilers

更新时间：2025-09-28

- Applications of GPC-PID algorithm in bed temperature control of circulating fluidized bed boilers
- Thermal Power Generation Vol. 44, Issue 10, Pages: 97-101(2015)
- 作者机构：
  
  1. 江苏省大气环境与装备技术协同创新中心
  2. 南京信息工程大学信息与控制学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.2
- Published：2015
- 稿件说明：
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GUO Wei, CHEN Chen, LU Zhenyu, et al. Applications of GPC-PID algorithm in bed temperature control of circulating fluidized bed boilers[J]. Thermal power generation, 2015, 44(10): 97-101.
DOI：

GUO Wei, CHEN Chen, LU Zhenyu, et al. Applications of GPC-PID algorithm in bed temperature control of circulating fluidized bed boilers[J]. Thermal power generation, 2015, 44(10): 97-101. DOI：

摘要

针对循环流化床(CFB)锅炉床温的大惯性、时变性和干扰因素多等特性

提出了一种基于PID的广义预测控制算法(GPC-PID)。GPC算法的控制律采用PID的形式

通过有限时域内的滚动优化

在线调节比例、积分和微分系数

以期达到性能指标的最优化。同时

使算法变得简明

且较大地改善了GPC的控制性能

将其应用于CFB锅炉床温控制中

以仿真验证控制的有效性。结果表明

GPC-PID算法具有优良的设定值跟踪能力和较强的鲁棒性、适应性

具有良好的控制品质。

Abstract

To deal with the complex features of bed temperature control of circulating fluidized bed boilers

such as large inertia

time-varying and multiple interference factors

a new GPC-PID algorithm combing generalized predictive control(GPC)with PID control was proposed.By applying the PID's structure and through rolling optimization within a limited time domain

the GPC algorithm online regulates the proportion coefficient

integration coefficient and differential coefficient to achieve the optimization of the performance indicators.Moreover

the new GPC-PID algorithm is with a small amount of calculation and superior to the GPC algorithm.The new algorithm was applied to bed temperature control of a circulating fluidized bed boiler.The simulation results show this GPC-PID algorithm has excellent setpoint tracking capacity

robustness and adaptability

which has great control quality.

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