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基于Fisher判别分析的过程运行状态在线评价

, PP. 1655-1660

Keywords: Fisher,判别分析,运行状态,在线评价,湿法冶金

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Abstract:

为了实时掌握生产过程运行状态,提出一种基于Fisher判别分析(FDA)的过程运行状态在线评价方法.提出离线数据分类与识别算法,以识别不同稳定运行状态的建模数据及其对应的状态等级;利用FDA提取各个稳定运行状态的特征属性,建立评价模型;在线评价时,通过“时间窗口”数据特征与各个状态等级的相似度,实时评价过程运行状态.将所提出的方法应用于某湿法冶金过程的仿真结果验证了该方法的有效性.

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