NDLI: Characterization of Electrolytic Pot Signal by Autoregressive Model with Exogenous Input

Content Provider	IEEE Xplore Digital Library
Author	Nagem, N.F. Silva, A. da Fonseca Neto, J.V.
Copyright Year	2009
Abstract	The indirect estimation of the alumina bulk concentration in the electrolyte is important to keep the right operational condition that avoids anode effects and maximizes current efficiency. Vertical Stub Soderberg (VSS) Side Break has a feed cycle every two hours with a fix amount of alumina and the actual feed adjustment is done in a manual daily basis.These feed conditions are very hard to control; based on Prebaked feed control strategy, the resistance control can be slip in two working regions eg. high alumina concentration and low alumina concentration. From the voltage (output) and current (input) signals and based on Systems Identification Theory, the ARX models of the electrolytic pots. The selected transfer functions of the electrolytic pot are used to perform the steady state representation of the resistance working region. Therefore, this paper shows our latest investigation on parametric ARX models that represent the behavior of the plant.
Starting Page	298
Ending Page	303
File Size	1859892
Page Count	6
File Format	PDF
ISBN	9781424441549
DOI	10.1109/AMS.2009.104
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-25
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Variable structure systems Parametric modeling of Dynamic Systems Alumina Feed Control Transfer functions Vertical Stub Soderberg Side Break Voltage Signal processing System identification Steady-state Feeds Autoregressive Model with Exogenous Input Anodes
Content Type	Text
Resource Type	Article

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