Intelligent Tuning and Application of a PID Controller Using Universal Model

In spite of many efforts the PID (Proportional-Integral-Derivative) controller continues to be the main component in industrial control systems, included in the following forms: embedded and programmable logic controllers, and distributed control systems. From the viewpoint of simplicity and effectiveness, the PID controller represents a good solution for controlling many practical applications. HoweveR, the control literature still showing different tuning structures for the PID control to overcome complex dynamics and operational limitations [1]. Some difficult problems in the industry are presented in order to be answered or understood, not from the enthusiastic form neither from the absence of knowledge of plant operators or engineers, as the tuning aspects of a PID controller [2].

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