Fuzzy self-organising pH control of an ammonia scrubber

J.-P. Ylén, P. Jutila

Research output: Contribution to journalArticleScientificpeer-review

15 Citations (Scopus)


In this paper the physico-chemical modelling of an industrial pH-process is achieved by taking account of not only the concentrations, but also the activities of the species present. A modification of the self-organising fuzzy controller (SOC) is developed, that combines both the nonlinear input-output mapping and the learning capability. The performances of the SOC and a fixed PID-controller are compared, using a simulator and with an industrial ammonia scrubber under different conditions.
Original languageEnglish
Pages (from-to)1233-1242
JournalControl Engineering Practice
Issue number9
Publication statusPublished - 1997
MoE publication typeA1 Journal article-refereed


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