2010 | OriginalPaper | Buchkapitel
PID Step Response Using Genetic Programming
verfasst von : Marcus Henrique Soares Mendes, Gustavo Luís Soares, João Antônio de Vasconcelos
Erschienen in: Simulated Evolution and Learning
Verlag: Springer Berlin Heidelberg
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This paper describes an algorithm that generates analytic functions for PID step response characteristics (i. e. rise time, overshoot, settling time, peak time and integral of time weighted absolute error) in an application of a third-order plant. The algorithm uses genetic programming for symbolic regressions and provides formal expressions composed of variables, constants, elementary operators and mathematical functions. Results show a good fitting between the desired and obtained step response for DC motor positioning problem.