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An integral-action controller synthesis is presented, where the controller achieves closed-loop stability and zero steady-state error due to step-input references. Closed-loop stability is maintained even when the integrators in all of the controller channels are limited or completely switched off to protect against integrator windup. The proposed method is applied to temperature control in rapid thermal processing systems, where critical requirements are imposed on tracking of temperature profiles.
Decision and Control, 2004. CDC. 43rd IEEE Conference on (Volume:3 )
Date of Conference: 14-17 Dec. 2004