NDLI: Neuro-fuzzy and PSO based model for the steam and cooling sections of a Cogeneration and Cooling Plant (CCP)

Content Provider	IEEE Xplore Digital Library
Author	Tamiru, A.L. Rangkuti, C. Hashim, F.M.
Copyright Year	2009
Description	Author affiliation: Mechanical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar, Tronoh, Perak, Malaysia (Tamiru, A.L.; Rangkuti, C.; Hashim, F.M.)
Abstract	Developing a first principle nonlinear model for a thermal system that is already in operation is a very difficult task attributed to missing design parameters. This paper considers nonlinear modeling of subunits of a Cogeneration and Cooling Plant (CCP) -Heat Recovery Steam Generator (HRSG), Steam Header (SH) and Steam Absorption Chiller (SAC). Neuro-fuzzy approach trained by a sequence of optimization algorithms - Particle Swarm Optimization (PSO) followed by Back-Propagation (BP) -is used to develop models for the steam drum pressure, steam drum water level, steam flow rate and chilled water supply temperature. It includes the calculation of model confidence intervals (CI) based on the assumption that model and measurement errors are normally distributed and independent. Real operation data collected from Universiti Teknologi PETRONAS CCP is used to train and validate the models. Varying the probability in reading the percentage value of t - distribution for fixed degrees of freedom, a test is also performed on the capacity of the models for fault detection. The results show that the technique can be used to develop a substitute model for the three units, with the confidence level decided by the user.
Starting Page	27
Ending Page	33
File Size	303066
Page Count	7
File Format	PDF
ISBN	9781424451449
DOI	10.1109/ICEENVIRON.2009.5398677
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-07
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Measurement errors Temperature Cooling Cogeneration Particle swarm optimization Steam Absorption Chiller Absorption Fault detection Confidence Interval Heat Recovery Steam Generator Neuro-Fuzzy Particle Swarm Optimization Testing Capacity planning
Content Type	Text
Resource Type	Article

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