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An improved decentralized model for sensor fault detection and isolation demonstrated on an airplane system
×÷Õß:Wang, JC (Wang, Jianchen)[ 1 ] ; Qi, XH (Qi, Xiaohui)[ 1 ]


PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING


¾í: 229
ÆÚ: 3
Ò³: 423-434
DOI: 10.1177/0954410014534202

³ö°æÄê: MAR 2015

²é¿´ÆÚ¿¯ÐÅÏ¢

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING  

³ö°æÉÌ SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND

ISSN: 0954-4100
eISSN: 2041-3025

Ñо¿ÁìÓò Engineering



ÕªÒª
With various modeling technologies applied, the sensor fault detection and isolation scheme based on the decentralized model (also referred to as dedicated observer scheme) becomes a popular approach for sophisticated systems. However, the commonly used modeling approach in many literatures that directly takes measurement values as model inputs may result in residual crosstalks and even false alarms. In this paper, the traditional decentralized model scheme is analyzed and a novel scheme based on the time window interactive prediction structure is proposed. Then, the Elman neural network is applied to model identification due to its nonlinear approximation and online learning properties. Finally, Simulations for comparison using the decoupled longitudinal motion model of some airplane are performed, and the results show that the proposed scheme has higher detection speed, lower false alarm rate and less undetected faults.

¹Ø¼ü´Ê
×÷Õ߹ؼü´Ê:Sensor fault detection and isolation; decentralized model; residual crosstalk; time window interactive prediction; Elman neural network; airplane system

KeyWords Plus:NEURAL-NETWORKS; DIAGNOSIS; OBSERVER; SCHEMES; UAV

×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Wang, JC (ͨѶ×÷Õß)       Shijiazhuang Mech Engn Coll, Dept Vehicular Engn, 97 Hepingxi Rd, Shijiazhuang 050003, Peoples R China.


µØÖ·:        [ 1 ] Shijiazhuang Mech Engn Coll, Dept Vehicular Engn, Shijiazhuang 050003, Peoples R China


µç×ÓÓʼþµØÖ·:lichen197@163.com

³ö°æÉÌ
SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND

Àà±ð / ·ÖÀà
Ñо¿·½Ïò:Engineering

Web of Science Àà±ð:Engineering, Aerospace; Engineering, Mechanical

ÎÄÏ×ÐÅÏ¢
ÎÄÏ×ÀàÐÍ:Article

ÓïÖÖ:English

Èë²ØºÅ: WOS:000350116100003

ISSN: 0954-4100

eISSN: 2041-3025

ÆäËûÐÅÏ¢
IDS ºÅ: CC1QI

Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 24

Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0

JCR® Àà±ð JCR ·ÖÇø
ENGINEERING, AEROSPACE  Q3
ENGINEERING, MECHANICAL  Q4


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