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Research on Model Predictive Control of a 130 t/h Biomass Circulating Fluidized Bed Boiler Combustion System Based on Subspace Identification

Author

Listed:
  • Heng Wei

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Shanjian Liu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Jianjie He

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Yinjiao Liu

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

  • Guanshuai Zhang

    (School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo 255000, China)

Abstract

The structure of large biomass circulating fluidized bed (BCFB) boilers is complex, and control schemes for coal-fired boilers cannot be simply applied to biomass boilers. Multivariable coupling and operational disturbances are also common issues. In this study, a state space model of a 130 t/h BCFB boiler was established under different operating conditions. Using the 100% operating point as an example, a model predictive controller was designed and tested under output disturbance and input disturbance conditions. The results show that the predictive control system designed in this study has a fast response speed and good stability.

Suggested Citation

  • Heng Wei & Shanjian Liu & Jianjie He & Yinjiao Liu & Guanshuai Zhang, 2023. "Research on Model Predictive Control of a 130 t/h Biomass Circulating Fluidized Bed Boiler Combustion System Based on Subspace Identification," Energies, MDPI, vol. 16(8), pages 1-15, April.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:8:p:3421-:d:1122620
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    References listed on IDEAS

    as
    1. Jianjie He & Shanjian Liu & Di Yao & Ranran Kong & Yaya Liu, 2021. "Influence of Fuel Type and Water Content Variation on Pollutant Emission Characteristics of a Biomass Circulating Fluidized Bed Boiler," Energies, MDPI, vol. 14(18), pages 1-17, September.
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