Estudo, implementação e otimização de técnicas de controle avançado
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2022-10-06
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Universidade Federal de Goiás
Resumo
This work proposes the tuning, implementation, analysis and comparison of different
control strategies applied to the same system. The controllers studied
are: Proportional, Integral and Derivative, Nonlinear Predictive, Fuzzy Control
and Sliding Mode Control. These techniques are applied to the speed control of
an independently excited DC motor driven by a fully controlled three-phase rectifier.
The methodology proposes the bench design, the modeling of the real
system by the system identification method, the sensitivity analysis and the
adjustments of the controllers parameters using an optimization process. Comparisons
are made between the techniques, highlighting their characteristics
and performance considering similar conditions of execution. The robustness of
each control when acting on a non-linear system is investigated. All control
techniques are applied in three different tests: i) step-type reference signal,
without load application, ii) reference signal with amplitude variation, without
load application and iii) step-type reference signal, with load application. The
techniques present satisfactory performance in the execution of the proposed
control, depending, therefore, on the analysis of the system to be implemented
to determine the appropriate method.
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GANZAROLI, C. A. Estudo, implementação e otimização de técnicas de controle avançado. 2023. 129 f. Tese (Doutorado em Engenharia Elétrica e da Computação) - Universidade Federal de Goiás, Goiânia, 2022.