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Pole-Zero Cancellation Method for Multi Input Multi Output (MIMO) Temperature Control in Heating Process System

1,2,†, 1,2,*,† and 2
1
Division of Electronics and Informatics, Gunma University, Kiryu 3768515, Japan
2
Department of Electrical Engineering, Yangzhou University, N.196 Huayang West Road, Yangzhou 225000, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Processes 2019, 7(8), 497; https://doi.org/10.3390/pr7080497
Received: 3 July 2019 / Revised: 22 July 2019 / Accepted: 23 July 2019 / Published: 1 August 2019
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Abstract

With the rapid development of industrial technology, the multi-point (multi-input multi-output) heating processing systems with integrated temperature control have been increasingly needed to achieve high-quality and high-performance processing. In this paper, in response to the demand for proper transient response and to provide more accurate temperature controls, a novel pole-zero cancelation method is proposed for multi-input multi-output (MIMO) temperature control in heating process systems. In the proposed method, the temperature differences and transient characteristics of all points can be improved by compensating dead time difference and coupling effect together by matrix compensation and pole-zero cancelation with the feedforward reference model. Both simulations and experiments were carried out. The results were compared to the well-tuned conventional PI control system and PI plus decoupling compensation system to evaluate the control efficiency of the proposed method. View Full-Text
Keywords: MIMO temperature control in heating process system; pole-zero cancelation; temperature difference; transient response; dead time MIMO temperature control in heating process system; pole-zero cancelation; temperature difference; transient response; dead time
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Xu, S.; Hashimoto, S.; Jiang, W. Pole-Zero Cancellation Method for Multi Input Multi Output (MIMO) Temperature Control in Heating Process System. Processes 2019, 7, 497.

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