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Global set-point tracking control for a class of non-linear systems and its application in continuously stirred tank reactor systems

Global set-point tracking control for a class of non-linear systems and its application in continuously stirred tank reactor systems

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  • Author(s): J. Yu 1  and  Y. Wu 2
    • View affiliations
    • Affiliations: 1: School of Automation, Southeast University, Nanjing, People’s Republic of China
      2: Institute of Automation, Qufu Normal University, Qufu Shandong, People’s Republic of China
  • Source: Volume 6, Issue 12, 16 August 2012, p. 1965 – 1971
    DOI:  10.1049/iet-cta.2011.0551 , Print ISSN 1751-8644, Online ISSN 1751-8652
© The Institution of Engineering and Technology
Published

This study considers the global set-point tracking control problem for a class of non-linear systems with input-to-state stable dynamic uncertainties and unknown control coefficients. A partial-state feedback controller is proposed, which could achieve the global set-point tracking control of the system output and keep the other signals bounded. The overparameterisation is avoided with the help of a technical lemma concerning the multiple Nussbaum-type functions. It is shown that the developed control scheme can be applied to the temperature control in a continuously stirred tank reactor. The simulation results demonstrate its effectiveness.

Inspec keywords: stability; chemical reactors; tanks (containers); temperature control; nonlinear control systems; state feedback; uncertain systems

Other keywords: partial-state feedback controller; temperature control; multiple Nussbaum-type functions; continuously stirred tank reactor systems; global set-point tracking control; input-to-state stable dynamic uncertainties; nonlinear systems

Subjects: Thermal variables control; Nonlinear control systems; Warehousing and storage; Control technology and theory (production); Control applications in chemical and oil refining industries; Chemical industry; Stability in control theory

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