Research Output
Low-gain Integral Control for Multi-Input, Multi-Output Linear Systems with Input Nonlinearities
  We consider the inclusion of a static anti-windup component in a continuous-time low-gain integral controller in feedback with a multi-input multi-output stable linear system subject to an input nonlinearity (from a class of functions that includes componentwise diagonal saturation). We demonstrate that the output of the closed- loop system asymptotically tracks every constant reference vector which is “feasible” in a natural sense, provided that the integrator gain is sufficiently small. Robustness properties of the proposed control scheme are investigated and three examples are discussed in detail.

  • Type:

    Article

  • Date:

    20 June 2017

  • Publication Status:

    Published

  • Publisher

    IEEE

  • DOI:

    10.1109/TAC.2017.2691301

  • ISSN:

    0018-9286

  • Funders:

    Engineering and Physical Sciences Research Council

Citation

Guiver, C., Logemann, H., & Townley, S. (2017). Low-gain Integral Control for Multi-Input, Multi-Output Linear Systems with Input Nonlinearities. IEEE Transactions on Automatic Control, 62(9), 4776-4783. https://doi.org/10.1109/TAC.2017.2691301

Authors

Keywords

Antiwindup methods, constrained control, robust control, stability of nonlinear (NL) systems

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