An r-Order Finite-Time State Observer for Reaction-Diffusion Genetic Regulatory Networks with Time-Varying Delays

Abstract EN

It will be settled out for the open problem of designing an r-order finite-time (F-T) state observer for reaction-diffusion genetic regulatory networks (RDGRNs) with time-varying delays.

By assuming the Dirichlet boundary conditions, aiming to estimate the mRNA and protein concentrations via available network measurements.

Firstly, sufficient F-T stability conditions for the filtering error system have been investigated via constructing an appropriate Lyapunov–Krasovskii functional (LKF) and using several integral inequalities and (reciprocally) convex technique simultaneously.

These conditions are delay-dependent and reaction-diffusion-dependent and can be checked by MATLAB toolbox.

Furthermore, a method is proposed to design an r-order F-T state observer, and the explicit expressions of observer gains are given.

Finally, a numerical example is presented to illustrate the effectiveness of the proposed method.