About: Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control

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About: Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper studies the problem of the fault estimation for a class of time-varying faults using output probability density function (PDF). In particular, the spacecraft control system is studied. First, the attitude control of the nonlinear model with uncertainties is given. Then, the measured output is viewed as a stochastic process and its PDF is modeled, which leads to a deterministic dynamical model including nonlinearities and uncertainties. A new adaptive fault diagnosis algorithm is proposed to improve the performance of the fault estimation.The proposed algorithm contains both the proportional and the integral term. The proportional term can improve the speed of the fault estimation, while the integral term can eliminate estimation error. Then, based on the linear matrix inequality (LMI) technique, a feasible algorithm is explored to find the designed parameters.Finally, simulation results of the spacecraftare given to show the efficiency of the proposed approach. This paper studies the problem of the fault estimation for a class of time-varying faults using output probability density function (PDF). In particular, the spacecraft control system is studied. First, the attitude control of the nonlinear model with uncertainties is given. Then, the measured output is viewed as a stochastic process and its PDF is modeled, which leads to a deterministic dynamical model including nonlinearities and uncertainties. A new adaptive fault diagnosis algorithm is proposed to improve the performance of the fault estimation.The proposed algorithm contains both the proportional and the integral term. The proportional term can improve the speed of the fault estimation, while the integral term can eliminate estimation error. Then, based on the linear matrix inequality (LMI) technique, a feasible algorithm is explored to find the designed parameters.Finally, simulation results of the spacecraftare given to show the efficiency of the proposed approach. (en)
Title	Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control (en)
skos:prefLabel	Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control (en)
skos:notation	RIV/68407700:21230/12:00197378!RIV13-MSM-21230___
http://linked.open...avai/predkladatel	Fakulta elektrotechnická
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP103/12/1794), S
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Nguyen Hong, Quang
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	136258
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/12:00197378
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Attitude control; adaptive fault estimation; LMI; PDF (en)
http://linked.open.../riv/klicoveSlovo	LMI PDF Attitude control adaptive fault estimation
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[3C8DE7B630FD]
http://linked.open...i/riv/nazevZdroje	Cybernetics and Physics
http://linked.open...in/vavai/riv/obor	BC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced methods for complex systems analysis and control.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Čelikovský, Sergej Nguyen Hong, Quang
issn	2223-7038
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Fault diagnosis scheme for nonlinear stochastic systems with time-varying fault: application to the rigid spacecraft control

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