Journal
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
Volume 32, Issue 9, Pages 5398-5419Publisher
WILEY
DOI: 10.1002/rnc.6094
Keywords
fault estimation; observer design; partially bounded transition rate; semi-Markovian jump system
Funding
- China Postdoctoral Science Foundation [2019M661512]
- National Natural Science Foundation of China [2141234, 61803256, 61627810, 61473183]
- Natural Science Foundation of Shanghai [21ZR1426100]
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This article addresses the simultaneous fault estimation for a class of semi-Markovian jump system with partially bounded known transition rates. A new variable is introduced and two robust variable-based observers are designed to gauge the actuator fault and sensor fault concurrently. The problem of partially bounded known transition rates is solved using mathematic techniques.
This article addresses the simultaneous fault estimation for a class of semi-Markovian jump system with partially bounded known transition rates. A new variable is introduced with a dependence on output information, and then two robust variable-based observers are designed to gauge the actuator fault and sensor fault concurrently. Significantly, the problem for partially bounded known transition rates is solved by virtue of mathematic techniques. In this way, the existing conditions of the designed observers are given in terms of linear matrix inequality. Furthermore, two examples are implemented to demonstrate the feasibility and effectiveness of the scheme.
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