中文

基于Himmelblau算法的精馏塔故障诊断的数据滤波研究

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  • Key Words:精馏塔;;Himmelblau算法;;中值去噪;;小波分析;;故障诊断

  • Abstract:首先运用Himmelblau算法对化工过程大系统进行分解,将高维的、不易求解的问题分解成若干低维的子问题;然后对分解后的小系统针对过程数据受噪声干扰的特点,采用基于中值滤波和提升小波分析去噪的方法对数据进行去噪处理,增强了效果的鲁棒性。最后,将该方法应用到TEP仿真流程中的汽提塔,并给出了故障7时的塔底压力损失系数的变化情况。结果表明:该方法不仅可以准确地给出故障原因而且缩短了诊断的时间、提高了诊断精度。

  • Volume:v.42;No.302

  • Issue:11

  • Translation or Not:no


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