مدل سازی مجموعه KPCA و ELM از شاخص های کیفیت پساب فاضلاب
|کد مقاله||سال انتشار||مقاله انگلیسی||ترجمه فارسی||تعداد کلمات|
|7040||2011||5 صفحه PDF||سفارش دهید||2158 کلمه|
Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)
Journal : Procedia Engineering, Volume 15, 2011, Pages 5558–5562 CEIS 2011
Reliable measurements of effluent quality are important for different operational tasks such as process monitoring, online simulation, and advanced control in the wastewater treatment process (WWTP). A kernel principal component analysis (KPCA) and extreme learning machine (ELM) based ensemble soft sensing model for effluent quality prediction was proposed. KPCA was used to extract nonlinear feature of input space to overcome high dimension and colinearity. ELM algorithm is inserted into the ensemble frame as a component model since ELM runs much faster and provides better generalization performance than the other popular learning algorithm. The average output of all the ELM components in the ensemble is the final estimation of the effluent quality index. Simulations results using industrial process data show that the reliability and accuracy based KPCA and ELM ensemble soft sensing outperform the ELM, ELM ensemble model.