The process identification and tuning techniques are performed using Pitops and Simcet software from PiControl Solutions LLC. The use of this software and the RGR techniques allow fast and precise tuning of critical controllers and can reduce oscillations and improve control performance in any industrial process. The software benefits tuning of all PID controllers encountered in the industry: FC, PC, TC, LC, AC, compressor surge control, motor control turbine control, power control, robotics and all related control problems. This paper illustrates a novel, modern and practical method for tuning level PID controllers (LCs). The example is based on a distillation column sump. The new PID tuning algorithm works entirely in the time domain (no Laplace or Z-discrete domain). It neither requires data preprocessing nor data preconditioning. The process model parameters are first identified followed by simulation and optimization of the PID tuning parameters.
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