scholarly journals Optimization of observer design for sensor fault detection of nonlinear systems

2017 ◽  
Author(s):  
Vasso Reppa ◽  
Stelios Timotheou ◽  
Marios M. Polycarpou ◽  
Christos G. Panayiotou
Keyword(s):  
Nonlinear Systems ◽  
Fault Detection ◽  
Observer Design ◽  
Sensor Fault ◽  
Sensor Fault Detection

Adaptive Observer Design for Sensor Fault Detection and Reconstruction

2019 ◽  
Vol 20 (9) ◽  
pp. 515-523
Author(s):  
N. Bedioui ◽  
R. Houimli ◽  
M. Besbes
Keyword(s):  
Fault Detection ◽  
Sufficient Conditions ◽  
Main Idea ◽  
Observer Design ◽  
Adaptive Observer ◽  
Linear Matrix ◽  
Sensor Fault ◽  
Sensor Fault Detection ◽  
Robust Adaptive ◽  
The Stability

A new approach is presented for sensor fault detection reconstruction and state estimation. The system considered is linear polytopic parameter-vary ing (LPV) system. The main idea is the design of a novel robust adaptive observer based on and polyquadratic formulation with a new set of relaxation. Sufficient conditions are given by a set of Linear Matrix Inequalities (LMI) in order to guarantee the stability of the system and the asymptotic convergence of the fault error. A simulation example has been studied to illustrate the proposed methods by detecting constant and variable sensor fault.

scholarly journals Performance Index for Optimizing Sensor Fault Detection of a Class of Nonlinear Systems

2018 ◽  
Vol 51 (24) ◽  
pp. 1387-1394 ◽  
Author(s):  
Vasso Reppa ◽  
Stelios Timotheou ◽  
Marios M. Polycarpou ◽  
Christos Panayiotou
Keyword(s):  
Nonlinear Systems ◽  
Fault Detection ◽  
Performance Index ◽  
Sensor Fault ◽  
Sensor Fault Detection

scholarly journals Sensor Fault Detection for a class of Uncertain Nonlinear Systems Using Sliding Mode Observers

2020 ◽  
Vol 14 (2) ◽  
pp. 27-33
Author(s):  
Farideh Allahverdi ◽  
Amin Ramezani ◽  
Mehdi Forouzanfar ◽  
◽  
◽  
...  
Keyword(s):  
Nonlinear Systems ◽  
Fault Detection ◽  
Sliding Mode ◽  
Uncertain Nonlinear Systems ◽  
Sensor Fault ◽  
Sensor Fault Detection ◽  
Sliding Mode Observers
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