Anti-windup strategy for processes with multiple delays: A predictor-based approach

This paper proposes an anti-windup implementation framework with dead-time compensation for processes with delays. The new approach is based on a causal modified implementation of the primary controller which unifies continuous-time and discrete-time approaches. Multivariable processes with multiple input-output delays can be handled by applying the proposed framework. No additional design parameter is required to control square multivariable processes with the proposed anti-windup strategy. Moreover, Linear Matrix Inequality conditions are presented in order to perform stability analysis and to define the domain of attraction of the constrained control system. Three simulation case studies are presented to illustrate the usefulness of the anti-windup framework for processes with delay. An experimental temperature control based on a prototype of a neonatal intensive care unit (NICU) is also shown.