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- Title
Robust Sliding Mode Observer based Fault Estimation for Certain Class of Uncertain Nonlinear Systems.
- Authors
Zhang, Jian; Swain, Akshya Kumar; Nguang, Sing Kiong
- Abstract
This paper proposes a new scheme for estimating the actuator and sensor fault for Lipschitz nonlinear systems with unstructured uncertainties using the sliding mode observer (SMO) technique. Initially, a coordinate transformation is introduced to transform the original state vector into two parts such that the actuator faults only appear in the dynamics of the second state vector. The concept of equivalent output error injection is then employed to estimate the actuator fault. The effects of system uncertainties on the estimation errors of states and faults are minimized by integrating an
- Subjects
NONLINEAR systems; ACTUATORS; SYSTEM failures; SLIDING mode control; OBSERVABILITY (Control theory); SAMPLING errors; LINEAR matrix inequalities
- Publication
Asian Journal of Control, 2015, Vol 17, Issue 4, p1296
- ISSN
1561-8625
- Publication type
Article
- DOI
10.1002/asjc.987