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化工学报  2012 

基于FCM聚类的气化炉温度多模型软测量建模

DOI: 10.3969/j.issn.0438-1157.2012.12.030, PP. 3951-3955

Keywords: 水煤浆气化,模糊C均值聚类,最小二乘支持向量机,多模型,软测量建模

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Abstract:

水煤浆气化是煤炭资源高效清洁利用的重要技术。气化炉反应温度是关系装置能否长周期安全稳定运行的关键参数,但是热电偶在高温、高压和气固物流冲刷环境下,使用寿命有限。本文以一多喷嘴对置式水煤浆气化炉为研究对象,在多模型建模方法的基础上,以数据点间的相似程度作为多模型子区间的划分手段,结合最小二乘支持向量机建立了基于模糊C均值聚类的气化炉温度软测量模型。实际工业运行数据验证结果表明,该软测量模型拟合精度较高,模型泛化能力较强。

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