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Authors: Jörg Matthes ; Patrick Waibel ; Hubert B. Keller and Lutz Gröll

Affiliation: Karlsruhe Institute of Technology, Germany

ISBN: 978-989-758-198-4

Keyword(s): Model Identification, Process Control, Infrared Camera, Image Processing, Rotary Kiln, Waelz Process.

Related Ontology Subjects/Areas/Topics: Adaptive Signal Processing and Control ; Engineering Applications ; Image Processing ; Informatics in Control, Automation and Robotics ; Intelligent Control Systems and Optimization ; Robotics and Automation ; Signal Processing, Sensors, Systems Modeling and Control ; System Identification ; System Modeling

Abstract: TheWaelz process is the most common technique for the pyro-metallurgical treatment of zinc-bearing residues using a rotary kiln. However, this process will only result in a good zinc recovery, if the temperature of the material (slag) within the kiln is controlled at specific optimal setpoints depending on the material mixture. Until now, slag temperature measurement is carried out by pyrometers which give only pointwise information that can be disturbed by cold slag lumps. Additionally, the temperature control is performed only manually by operators, who have to adapt the amount of process air frequently to keep the process stable at the desired setpoints. In this paper an infrared-camera based measurement of the slag temperature using image processing techniques is presented. Based on that temperature measurement a process model is conducted. Its parameters are estimated by a model-output-error based process identification. The process model is used for the tuning of parameters of a n automatic closed loop control. Finally, results from an industrial application of the new camera based slag temperature control are given. (More)

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Paper citation in several formats:
Matthes, J.; Waibel, P.; Keller, H. and Gröll, L. (2016). Camera based Identification and Control of the Waelz Process.In Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-758-198-4, pages 291-298. DOI: 10.5220/0005957402910298

@conference{icinco16,
author={Jörg Matthes. and Patrick Waibel. and Hubert B. Keller. and Lutz Gröll.},
title={Camera based Identification and Control of the Waelz Process},
booktitle={Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2016},
pages={291-298},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005957402910298},
isbn={978-989-758-198-4},
}

TY - CONF

JO - Proceedings of the 13th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Camera based Identification and Control of the Waelz Process
SN - 978-989-758-198-4
AU - Matthes, J.
AU - Waibel, P.
AU - Keller, H.
AU - Gröll, L.
PY - 2016
SP - 291
EP - 298
DO - 10.5220/0005957402910298

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