Observer-based fault diagnosis of satellite systems subject to time-varying thruster faults

W Chen, M Saif - 2007 - asmedigitalcollection.asme.org
This paper presents a novel fault diagnosis approach in satellite systems for identifying time-
varying thruster faults. To overcome the difficulty in identifying time-varying thruster faults by …

Fast adaptive fault estimation and accommodation for nonlinear time‐varying delay systems

K Zhang, B Jiang, V Cocquempot - Asian Journal of Control, 2009 - Wiley Online Library
This paper studies the problem of fault estimation and accommodation for a class of
nonlinear time‐varying delay systems using adaptive fault diagnosis observer (AFDO). A …

Entropy optimization filtering for fault isolation of nonlinear non-Gaussian stochastic systems

L Guo, L Yin, H Wang, T Chai - IEEE Transactions on Automatic …, 2009 - ieeexplore.ieee.org
In this paper, the fault isolation (FI) problem is investigated for nonlinear non-Gaussian
systems with multiple faults (or abrupt changes of system parameters) in the presence of …

Neural adaptive observer based fault detection and identification for satellite attitude control systems

Q Wu, M Saif - Proceedings of the 2005, American Control …, 2005 - ieeexplore.ieee.org
A neural adaptive observer (NAO) based fault detection and identification (FDI) strategy for a
class of nonlinear systems is presented in this paper. The observer input is designed in a …

Robust fault diagnosis of a satellite system using a learning strategy and second order sliding mode observer

Q Wu, M Saif - IEEE Systems Journal, 2010 - ieeexplore.ieee.org
This paper proposes a second-order sliding mode observer for fault diagnosis (FD) of a
class of uncertain dynamical systems. In the proposed FD scheme, a modified super-twisting …

基于轨迹跟踪的线性时滞系统容错控制

赵石磊, 郭红, 刘宇鹏 - 信息与控制, 2015 - xk.sia.cn
针对线性常时滞系统可能发生的执行器故障, 提出了一种基于轨迹跟踪的主动容错控制方法.
设计目标是通过设计容错控制率及故障观测器使故障系统状态在故障时也能够有效地跟踪参考 …

Neural-network-based decentralized fault-tolerant control for a class of nonlinear large-scale systems with unknown time-delayed interaction faults

SJ Yoo - Journal of the Franklin Institute, 2014 - Elsevier
This paper proposes an adaptive approximation design for the decentralized fault-tolerant
control for a class of nonlinear large-scale systems with unknown multiple time-delayed …

Adaptive fault-tolerant control for a class of nonlinear systems with time delay

D Ye, GH Yang - International Journal of Systems Science, 2008 - Taylor & Francis
This article deals with the problem of adaptive fault-tolerant control against unknown
actuator faults for a class of nonlinear time delay systems with disturbance. The actuator …

Model reference adaptive control of state delayed system with actuator failures

BM Mirkin*, PO Gutman - International Journal of Control, 2005 - Taylor & Francis
This paper develops adaptive state feedback control schemes for a class of linear systems
with state delay in the presence of unknown actuator failures. The main contributions of this …

Robust fault diagnosis for a satellite large angle attitude system using an iterative neuron PID (INPID) observer

Q Wu, M Saif - 2006 American Control Conference, 2006 - ieeexplore.ieee.org
A fault detection and diagnosis (FDD) scheme using an iterative neuron PID (INPID)
observer is explored in this paper. The observer input, which is used to estimate state faults …