最小二乘支持向量机联合改进果蝇优化算法的CFB锅炉燃烧优化

张文广; 张越; 孙亚洲; 高明明; 李宝贵

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最小二乘支持向量机联合改进果蝇优化算法的CFB锅炉燃烧优化

热能科学研究 | 更新时间：2025-09-28

- 最小二乘支持向量机联合改进果蝇优化算法的CFB锅炉燃烧优化
- Combustion optimization for CFB boiler based on least square support vector machine and modified fruit fly optimization algorithm
- 热力发电 2016年45卷第7期页码：44-49
- 作者机构：
  
  1. 华北电力大学新能源电力系统国家重点实验室
  2. 中国人民解放军93469部队
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TM621.2
- 纸质出版日期：2016
- 稿件说明：
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张文广, 张越, 孙亚洲, 等. 最小二乘支持向量机联合改进果蝇优化算法的CFB锅炉燃烧优化[J]. 热力发电, 2016,45(7):44-49.

ZHANG Wenguang, ZHANG Yue, SUN Yazhou, et al. Combustion optimization for CFB boiler based on least square support vector machine and modified fruit fly optimization algorithm[J]. Thermal power generation, 2016, 45(7): 44-49.
张文广, 张越, 孙亚洲, 等. 最小二乘支持向量机联合改进果蝇优化算法的CFB锅炉燃烧优化[J]. 热力发电, 2016,45(7):44-49. DOI：

ZHANG Wenguang, ZHANG Yue, SUN Yazhou, et al. Combustion optimization for CFB boiler based on least square support vector machine and modified fruit fly optimization algorithm[J]. Thermal power generation, 2016, 45(7): 44-49. DOI：

摘要

针对电厂循环流化床(CFB)锅炉降低污染物排放和提高锅炉燃烧效率的问题

本文首先应用最小二乘支持向量机(LS-SVM)建立了锅炉效率、NO_x和SO_2排放特性的软测量模型

并对比了LS-SVM和BP神经网络模型的性能;然后基于LS-SVM建立的模型

提出了3种优化策略

采用改进果蝇优化算法(MFOA)在一定范围内对CFB锅炉运行工况的可调参数进行优化。结果表明:LS-SVM模型与BP神经网络模型相比

训练时间较短

预测精度较高

泛化能力较强;CFB锅炉效率最多提高了0.61%

NO_x和SO_2排放质量浓度最多降低了7.88%和18.13%。

Abstract

To reduce the pollutant emissions and enhance combustion efficiency of circulating fluidized bed(CFB)boiler

three soft measurement models

the boiler efficiency

the NO_x emission and SO_2 emission

were established based on the least square support vector machine(LSSVM).The performance of the LSSVM was compared with that of the conventional BP neural network.Then

on the basis of the above LSSVM models

three optimization strategies were proposed to optimize the adjustable parameters using the modified fruit fly optimization algorithm(MFOA)within a certain range.The simulation results show that

compared with the conventional BP neural network

the LSSVM model needs less training time and has higher prediction accuracy with better generalization ability.Moreover

the result also proves the effectiveness of the combustion optimization strategies for CFB boilers

the boiler efficiency was increased by0.61% and the NO_xand SO_2 emission were respectively reduced by 7.88% and 18.13% at most.

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