NDLI: Simulation of system identification and decoupling control of rotary lime kiln system

Content Provider	IEEE Xplore Digital Library
Author	Xian-xi Luo Ming-zhe Yuan Hong Wang
Copyright Year	2010
Description	Author affiliation: Key Laboratory of Industrial Informatics, Shenyang Institute of Automation, Chinese Academy of Science, Liaoning Province, China (Xian-xi Luo; Ming-zhe Yuan; Hong Wang)
Abstract	Lime is an important smelting raw material for iron& steel plants. Most of large and medium-scale iron& steel enterprises have their own lime works for self-supply. Reasonable control for the lime kiln is significant to reduce energy consumption and improve the pass rate of lime quality. In this paper, the model described in literature is applied to simulate the actual operating conditions of rotary lime kiln. The method of step response is adopted to identify the object with two inputs (the fuel flow rate and damper position) and two outputs (the temperatures in the front and the end of the kiln) into a first order, strong coupling linear system model and the validity of the model is verified as well. On the basis of the identified model, we design a decoupling controller. The simulation results show that the controller can accurately track the instructions to the temperatures at the front and the end of the kiln respectively with high stability and control accuracy. The method and conclusions of this paper may provide reference to the design of lime kiln combustion control system.
Starting Page	5814
Ending Page	5818
File Size	796646
Page Count	5
File Format	PDF
ISBN	9781424467129
e-ISBN	9781424467129
DOI	10.1109/WCICA.2010.5554599
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Kilns Mathematical model Temperature control Steel Production Equations Decoupling control Lime Kiln System Identification
Content Type	Text
Resource Type	Article

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