Combination of Fault Detection Approaches for Networked Control Systems



In this paper, a comparison and combination (integration) of fault detection (FD) approaches (parity equations, parameter estimation and principal components analysis) for networked control systems (NCS), is presented. Two main types of faults, in NCS, will be considered: network fixed time-delays and data inconsistency (outliers). Some experimental results are presented in order to evaluate the performance of the FD approaches. The main contributions are the comparison, combination (integration) and performance evaluation of the FD approaches.


Fault tolerant systems, fault detection and diagnosis, networked control systems, performance evaluation, distributed control.


9th Portuguese Conference on Automatic Control, September 2010

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