Fault detection of networked control systems with uncertain time-varying delay and quantization error |
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Authors: | Bin Li Yi-ming Wan Hao Ye |
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Institution: | Department of Automation, Tsinghua University,Beijing100084,China |
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Abstract: | Problems related to fault detection of networked control systems (NCSs) with both uncertain timevarying delay and quantization
error are studied in this paper. A novel model with the form of polytopic uncertainty is given to represent the influences
of both the time-varying delay and the quantization error, and then the reference model based method is used to design the
residual generator that is robust to both unknown network-induced delay and unknown inputs. A numerical example is also given
to illustrate the merits of the presented method. The proposed method can be regarded as an extension of the authors’ former
work, which can only deal with time-varying delay. |
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