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Adaptive Dynamic Nonlinear MPCA Modeling and Online Monitoring for Sequence Batch Reactor Process
Author(s): 
Pages: 2060-2064,2069
Year: Issue:  9
Journal: JOURNAL OF SYSTEM SIMULATION

Keyword:  序批式反应器(SBR)多变量统计过程控制在线性能监视滑动窗口MPCA;
Abstract: 污水处理SBR过程的在线性能监视对于提高排污质量和实现优化操作是至关重要的.针对SBR间歇过程缓慢时变、可变运行长度和非线性特点,采用双滑动窗口机制,提出多变量非线性自适应动态建模方法-可变长度的滑动窗口MPCA方法,解决常规MPCA在工业应用过程中存在的几个潜在问题:(1)建模数据样本不同步问题;(2)模型失配问题;(3)MPCA线性方法不能充分有效压缩和抽取非线性过程信息;(4)估计未来测量变量所引进的监视误差.所提方法成功应用在国际水协会提出的benchmark仿真试验平台.
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