Frequency domain identification of continuous-time output-error models with time-delay from relay feedback tests

Automatica ◽  
2018 ◽  
Vol 98 ◽  
pp. 180-189 ◽  
Author(s):  
Fengwei Chen ◽  
Hugues Garnier ◽  
Marion Gilson ◽  
Xiangtao Zhuan
Keyword(s):  
Time Delay ◽  
Frequency Domain ◽  
Continuous Time ◽  
Relay Feedback ◽  
Error Models ◽  
Domain Identification ◽  
Output Error ◽  
Frequency Domain Identification

A Frequency-Domain Identification Algorithm for MIMO Fractional Order Systems with Time-Delay in State

2011 ◽  
Vol 383-390 ◽  
pp. 4397-4404
Author(s):  
Zeng Liao ◽  
Cheng Peng ◽  
Yong Wang
Keyword(s):  
Genetic Algorithm ◽  
Time Delay ◽  
Frequency Domain ◽  
Fractional Order ◽  
Identification Algorithm ◽  
Fractional Order Systems ◽  
Subspace Method ◽  
Domain Identification ◽  
Frequency Domain Identification ◽  
Fractional Differential

The system identification problem of Multi-Input Multi-Output fractional order systems with Time-Delay is studied. A Frequency-Domain identification algorithm is presented, which combines genetic algorithm and subspace method for fractional order systems with time-delay in state. The genetic algorithm is used to identify fractional differential order and Time-Delay parameter. And the state space model is obtained by using frequency-domain subspace method when fractional differential order and time-delay parameter are fixed. Numerical simulation results validate the proposed algorithm.

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