Linear Function Observers for Linear Time-Varying Systems With Time-Delay: A Parametric Approach

• Main Authors: Da-Ke Gu, Quan-Zhi Liu, Jun Yang
• Format: Article
• Language: English
• Published: IEEE 2020-01-01
• Series: IEEE Access
• Subjects: Functional observers; LTV systems with time-delay; parametric method; Sylvester equation
• Online Access: https://ieeexplore.ieee.org/document/8963654/

In this paper, a parametric approach to design a Luenberger functional observer for linear time-varying (LTV) systems with time-delay is investigated. Based on the solution to generalized Sylvester equation (GSE), the complete general parametric expressions for the functional observer gain matrices are established with the time-varying coefficient matrices, the time-varying closed-loop system and a group of arbitrary parameters. With the parametric method, the observation error system can be transformed into a linear system with the expected eigenstructure. Finally, a numerical simulation is provided to illustrate the effectiveness of the parametric approach.