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Nonlinear Switching Control of the CO Oxidation Reaction Rate in Hydrogen Production

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Chemistry and Technology of Fuels and Oils Aims and scope

Catalytic CO oxidation on platinum group metals can exhibit nonlinear behaviors like catastrophe, bistability, and hysteresis, which are indicative of self-organizing processes occurring in the course of the oxidation reaction. As a result, the system demonstrates a multi-branch nonlinear input/output relationship for which the output value depends not only on the instantaneous input values, but also on the history of operations. Traditional linear control approaches may cause unstable operation in the CO oxidation reaction. In this paper, a nonlinear control strategy is proposed to solve the control problem. The control strategy incorporates a PI controller and a switching control strategy by which the control system can maintain a high regulating performance while preventing unstable operation. It may be applied to control operations in industrial processes of catalytic CO oxidation.

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Authors and Affiliations

  1. MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150080, P. R. China

    Lei Zhang & Li Sheng

  2. Pharmaceutical College, Heilongjiang University of Chinese Medicine Institution, Harbin, 150040, P. R. China

    Lei Zhang

  3. College of Energy and Power Engineering, Northeast Dianli University, 132012, Jilin, P. R. China

    Ruifeng Cao

Authors
  1. Lei Zhang
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  2. Ruifeng Cao
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  3. Li Sheng
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Correspondence to Li Sheng.

Additional information

Translated from khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 90-95, September — October, 2019.

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Zhang, L., Cao, R. & Sheng, L. Nonlinear Switching Control of the CO Oxidation Reaction Rate in Hydrogen Production. Chem Technol Fuels Oils 55, 652–659 (2019). https://doi.org/10.1007/s10553-019-01078-6

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