An Outline of Advanced Regulation Techniques on PLC Background and Control Systems with Self Tuning Methods Design

Advanced process control techniques contain software packages for advanced control based on mathematical methods. There are not only tools for self tuning, but also tools for manufacture costs optimization and energy savings. APC tools are designed to increase the process capacity, yield and quality of products and for costs savings. Self tuning function has become a standard function of distributed control systems. The idea of the automatic system identification procedure and regulator constants calculation is more than obvious and most of nowadays digital industry regulators and PLCs are provided with some kind of the self tuning constant algorithm. Practical part of the paper deals with design of the control system with PID Self Tuner. There is a description of an implementation of the PID regulator as a function block which can be also used for extension control functions.