On fault detection filters design with unitary transfer function matrices

12th European Workshop on Advanced Control and Diagnosis

Krokavec, Duan^1 ; Filasová, Anna^1 ; Liinský, Pavol^1

Department of Cybernetics and Artificial Intelligence, Faculty of Electrical Engineering and Informatics, Technical University of Koice, Letná 9, Koice

042 00, Slovakia^1

关键词: Continuous-time;    Design condition;    Fault detection filter (FDF);    Filter stability;    Linear mimo systems;    Residual sensitivities;    Residual transfer;    Transfer function matrix;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/659/1/012036/pdf
DOI  :  10.1088/1742-6596/659/1/012036

来源: IOP

【 摘 要 】

An adaptation of unitary system principle in fault detection filter design for continuous-time linear MIMO systems is presented in the paper. The conformation is based on an enhanced fault residual transfer function matrix with unitary construction and offers the key advantages on providing high residual sensitivity with respect to faults. Reflecting the emplacement of singular values in unitary construction, an associated structure of linear matrix inequalities with built-in structured constraints is outlined to verify the filter stability. The proposed design conditions are verified by the numerical illustrative example.