Abstract
In this paper, a recursive identification method for fractional time-delay systems using a discrete-time model is proposed. The fractional time delay is a non-integer multiple of the sampling period for the discrete-time system. We describe the discretization of the fractional time-delay systems and propose a new formulation for system identification. Single-input, single-output systems are transformed to two-input, single-output systems: one transfer function represents system dynamics and the other represents the influence of the time delay. Then, we propose a new recursive identification method for fractional time-delay systems. Finally we verify the effectiveness of the proposed method through numerical examples.
Original language | English |
---|---|
Pages (from-to) | 939-944 |
Number of pages | 6 |
Journal | IFAC-PapersOnLine |
Volume | 51 |
Issue number | 15 |
DOIs | |
Publication status | Published - 2018 Jan 1 |
Keywords
- Discretization
- Fractional time delay
- Recursive identification
- Time-delay systems
ASJC Scopus subject areas
- Control and Systems Engineering