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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于最小均方误差准则的ica过程监控方法
, PP. 121-126
Keywords: 锅炉,制粉系统,过程监控,最小均方误差,ica,mse？ica
Abstract:
独立成分分析（ica）近年来在过程监控领域获得广泛关注。针对ica的数据降维问题，提出了一种基于最小均方误差准则的ica降维算法（mse？ica）并给出了数学证明。该算法按照最小均方误差估算独立成分的重要性进行排序，能够准确选择影响过程状态的关键隐变量，有效增加基于ica的过程监控算法的鲁棒性，集中监控对过程状态变化起决定作用的成分，从而有效提高了过程监控算法的性能。仿真试验和某电厂制粉系统故障数据测试均表明，该方法能够显著降低过程监控方法的漏检率，提高检测的可靠性。
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