New Simple Controller Tuning Rules for Integrating and Stable or Unstable First Order plus Dead-Time Processes

Three new direct synthesis methods providing new simple rules of tuning the Pseudo-Derivative Feedback controller for integrating as well as stable or unstable first order processes with time delay are presented. The proposed control structure and tuning methods ensure smooth closed-loop response to set-point changes, fast regulatory control and sufficient robustness against parametric uncertainty. Simulation results show that the proposed methods is as efficient as the best of the most recent PID controller tuning methods that are known in the extant literature, while their simplicity in deriving the controller settings is a plus point over existing PID controller tuning formulae. Key-Words: Dead-Time, Process Control, Direct Synthesis Method, Stable Systems, Unstable Systems, Integrator Processes, Controller Tuning