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JACIII Vol.20 No.2 pp. 279-286
doi: 10.20965/jaciii.2016.p0279
(2016)

Paper:

Subspace Modeling Method for Burn-Through Point

Yongyue Zhang*, Weihua Cao**, †, and Min Wu**

*School of Information Science and Engineering, Central South University
Changsha 410083, China

**School of Automation, China University of Geosciences
Wuhan 430074, China

Corresponding author

Received:
November 10, 2015
Accepted:
December 10, 2015
Online released:
March 18, 2016
Published:
March 20, 2016
Keywords:
burning-through point, data-driven, subspace modeling method, sintering process
Abstract

In the study, for the iron sintering process which is strongly time-delayed and confounding, a data-driven modeling method called subspace modeling method is proposed to predict the burn-through point (BTP) in this paper. First, by analyzing the mechanism of the sintering process and processing the industrial data, the relationship between the exhaust gas temperature and bellows is confirmed. Then, based on the position of the BTP, a subspace modeling method is used to establish a temperature identification model. This model outputs, the temperature of the BTP and its inputs include the exhaust gas temperature of the front three bellows and the operating parameters. Finally, we compare the obtained result with those of other algorithms. The simulation experiment shows the effectiveness and veracity of the subspace model for BTP, which will provide a precise model for controller design.

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Last updated on Nov. 10, 2017