Design of Gain Scheduling Control Using State Derivative Feedback
Hardy Llins, Lazaro Ismael [UNESP]
Assuncao, Edvaldo [UNESP]
Teixeira, Marcelo C. M. [UNESP]
Cardim, Rodrigo [UNESP]
Cadalso, Mario R. R. [UNESP]
Oliveira, Diogo R. de
Silva, Emerson R. P. da
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In recent years, the study of systems subject to time-varying parameters has awakened the interest of many researchers. The gain scheduling control strategy guarantees a good performance for systems of this type and also is considered as the simplest to deal with problems of this nature. Moreover, the class of systems in which the state derivative signals are easier to obtain than the state signals, such as in the control for reducing vibrations in a mechanical system, has gained an important hole in control theory. Considering those ideas, we propose sufficient conditions via LMI for designing a gain scheduling controller using state derivative feedback. The D-stability methodology was used for improving the performance of the transitory response. Practical implementation in an active suspension system and comparison with other methods validates the efficiency of the proposed strategy.
Mathematical Problems In Engineering. London: Hindawi Ltd, 11 p., 2017.