Double Expert System for Monitoring and Re-adaptation of PID Controllers

Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 237)


Finding of monitoring systems for deciding if or how re-adapt a PID controller in literature is not so complicated. These monitoring systems are also widely used in industry. But monitoring system which is based on non-conventional methods for deciding, takes into account the non-numeric terms and it is open for adding more rules, is not so common. Presented monitoring is designed for systems of second order and it is performed by the fuzzy expert system of Mamdani type with two inputs - settling time compared with the previous settling time (relative settling time) and overshoot. It is supplemented by using of non-conventional method for designing of classic PID controller. So it can be called as double expert system for monitoring and following re-adaptation of classical PID controller. The proof of efficiency of the proposed method and a numerical experiment is presented by the simulation in the software environment Matlab-Simulink.


Monitoring re-adaptation expert system knowledge base PID controller Ziegler-Nichols’ combinated design methods fuzzy system feedback control 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Faculty of Electrical Engineering and Computer Science, Department of Cybernetics and Biomedical EngineeringVŠB-Technical University of OstravaOstravaCzech Republic

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