Abstract
This paper is concerned with the \(H_\infty \) control problem for linear parameter varying time-delay systems subject to \(L_2\)-norm bounded disturbances. Based on the Lyapunov-Krasovskii functional method, a new delay-dependent sufficient condition is derived for designing a state feedback \(H_\infty \) controller. In general, the coupling between decision variables and system matrices causes the results to be quite conservative. In order to obtain synthesis condition in terms of linear matrix inequalities, the well-known Young’s relation is employed to linearize the bilinear terms which unavoidably emerge in controller design for linear parameter varying time-delay systems. The proposed method can provide a controller with a larger delay range and a better disturbance attenuation effect. The efficiency and validity of the proposed control scheme are verified by the simulation results and comparisons.
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Shahbazzadeh, M., Sadati, S.J. Further results on delay-dependent state feedback \(H_\infty \) control of linear parameter varying time-delay systems. Int. J. Dynam. Control 10, 1847–1857 (2022). https://doi.org/10.1007/s40435-022-00924-6
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DOI: https://doi.org/10.1007/s40435-022-00924-6