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Looper-tension H ∞ control for hot strip finishing mills

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Abstract

The development of an innovative H ∞ controller for looper and tension control in hot strip finishing mills is traced based on approximately linearized model. This solution has been considered thanks to its well-known robustness and simplicity characteristics concerning disturbances’ attenuation. The controller is designed based on an optimal problem with linear matrix inequality (LMI) constraints, and the problem is solved by the mincx function of Matlab LMI Toolbox. Simulation results show the effectiveness of the proposed controller compared with conventional ones.

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Authors and Affiliations

  1. Key Laboratory of System Control and Information Processing, Ministry of Education of China; Department of Automation, Shanghai Jiaotong University, Shanghai, 200240, China

    Jing-cheng Wang  (王景成) & Zhao-zhun Zhong  (仲兆准)

Authors
  1. Jing-cheng Wang  (王景成)
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  2. Zhao-zhun Zhong  (仲兆准)
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Corresponding author

Correspondence to Jing-cheng Wang  (王景成).

Additional information

Foundation item: the National Natural Science Foundation of China (No. 60934007), the Program for New Century Excellent Talents (No. NCET-08-0359), and the Shanghai Rising-Star Tracking Program (No. 11QH1401300)

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Wang, Jc., Zhong, Zz. Looper-tension H ∞ control for hot strip finishing mills. J. Shanghai Jiaotong Univ. (Sci.) 16, 519–523 (2011). https://doi.org/10.1007/s12204-011-1188-2

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  • DOI: https://doi.org/10.1007/s12204-011-1188-2

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