Effect of fractional orders in the velocity control of a servo system |
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Authors: | Ramiro S. Barbosa J.A. Tenreiro Machado Isabel S. Jesus |
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Affiliation: | Institute of Engineering of Porto, Rua Dr. António Bernardino de Almeida, 431, 4200-072 Porto, Portugal |
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Abstract: | The application of fractional-order PID controllers is now an active field of research. This article investigates the effect of fractional (derivative and integral) orders upon system’s performance in the velocity control of a servo system. The servo system consists of a digital servomechanism and an open-architecture software environment for real-time control experiments using MATLAB/Simulink tools. Experimental responses are presented and analyzed, showing the effectiveness of fractional controllers. Comparison with classical PID controllers is also investigated. |
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