Estimation of the Centre of Gravity of a Manoeuvring Aircraft using Kalman filters and the ADMIRE aircraft model

Andrew J. Stanley, Roger M. Goodall

Research output: Contribution to journalConference article

Abstract

Previous work has shown that the centre of gravity (cg) of an aircraft can be estimated using a Kalman-Bucy filter. This paper will adopt a similar approach but use a non-linear aircraft model, and will demonstrate the estimation of the cg when the aircraft undergoes a series of manoeuvres. To cope with the non-linearities in the aircraft model the Kalman-Bucy filter coefficients for the pitching moment are modified when the aircraft manoeuvres. A number of examples are provided using the non-linear ADMIRE aircraft model, which is a complex model of a delta-canard military aircraft.

Original languageEnglish
Number of pages7
JournalIFAC Proceedings Volumes (IFAC-PapersOnline)
Volume43
Issue number18
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event5th IFAC Symposium on Mechatronic Systems - Cambridge, United States
Duration: 13 Sep 201015 Sep 2010
Conference number: 5

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Aircraft models
Kalman filters
Gravitation
Aircraft
Military aircraft

Cite this

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abstract = "Previous work has shown that the centre of gravity (cg) of an aircraft can be estimated using a Kalman-Bucy filter. This paper will adopt a similar approach but use a non-linear aircraft model, and will demonstrate the estimation of the cg when the aircraft undergoes a series of manoeuvres. To cope with the non-linearities in the aircraft model the Kalman-Bucy filter coefficients for the pitching moment are modified when the aircraft manoeuvres. A number of examples are provided using the non-linear ADMIRE aircraft model, which is a complex model of a delta-canard military aircraft.",
keywords = "Aircraft control, Centre of mass, Estimators, Kalman filters",
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AU - Stanley, Andrew J.

AU - Goodall, Roger M.

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N2 - Previous work has shown that the centre of gravity (cg) of an aircraft can be estimated using a Kalman-Bucy filter. This paper will adopt a similar approach but use a non-linear aircraft model, and will demonstrate the estimation of the cg when the aircraft undergoes a series of manoeuvres. To cope with the non-linearities in the aircraft model the Kalman-Bucy filter coefficients for the pitching moment are modified when the aircraft manoeuvres. A number of examples are provided using the non-linear ADMIRE aircraft model, which is a complex model of a delta-canard military aircraft.

AB - Previous work has shown that the centre of gravity (cg) of an aircraft can be estimated using a Kalman-Bucy filter. This paper will adopt a similar approach but use a non-linear aircraft model, and will demonstrate the estimation of the cg when the aircraft undergoes a series of manoeuvres. To cope with the non-linearities in the aircraft model the Kalman-Bucy filter coefficients for the pitching moment are modified when the aircraft manoeuvres. A number of examples are provided using the non-linear ADMIRE aircraft model, which is a complex model of a delta-canard military aircraft.

KW - Aircraft control

KW - Centre of mass

KW - Estimators

KW - Kalman filters

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