Internal Model Control with Distributed-Delay-Compensator to Attenuate Multi-Harmonic Periodic Disturbance of Time-Delay System

Can Kutlu Yuksel (1, 2) , Jaroslav Busek (2) , Tomas Vyhlidal (2) , Silviu-Iulian Niculescu (1) , Martin Hromcik (3)

1 L2S - Laboratoire des signaux et systèmes
2 CTU/FME - Faculty of Mechanical Engineering [Prague]
3 FEL CTU - Faculty of Electrical Engineering [Prague]

A distributed-delay based compensator for the Internal Model Control scheme is introduced as an alternative to the repetitive control structure to attenuate periodic disturbance with multiple harmonics. Besides the periodic signal attenuation, the scheme is derived to compensate an input time-delay of the controlled system. Next, the performance requirements on the spectral, frequency, and time domain characteristics are used for an optimization-based design. The task is to minimize the H∞ norm of the weighted sensitivity, while the spectral and structural properties comply with the constraints. The proposed design is tested on a model of a hot rolling process, which motivates the research. Numerical analysis and simulation-based verification complete the presentation.

Domains: Signal and Image processing; Automatic

Can Kutlu Yuksel, Jaroslav Busek, Tomas Vyhlidal, Silviu-Iulian Niculescu, Martin Hromcik. Internal Model Control with Distributed-Delay-Compensator to Attenuate Multi-Harmonic Periodic Disturbance of Time-Delay System. IEEE 60th Conference on Decision and Control (CDC 2021), IEEE, Dec 2021, Austin, TX, United States. ⟨hal-03457093⟩