Constrained Series PI, PID and PIDA Controller Design Inspired by Ziegler–Nichols
Mikulas Huba,
Pavol Bistak,
Jan Brieznik
et al.
Abstract:The present paper complements the results of several recent papers on higher-order (HO) controllers with automatic-reset. A modification of the two-step tuning of the constrained second-order derivative controllers based on integrator-plus-dead-time (IPDT) models is proposed. In the first step, the linear controller is designed using the multiple real dominant poles (MRDPs) method to avoid the slowdown of the closed-loop dynamics due to the presence of slow poles. In the second step, the smallest time constant… Show more
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