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A New Initial Alignment Algorithm for Strapdown Inertial Navigation System Using Sensor Output

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dc.contributor.authorKim, Kwangjin-
dc.contributor.authorPark, Chan Gook-
dc.date.accessioned2010-01-06T08:25:35Z-
dc.date.available2010-01-06T08:25:35Z-
dc.date.issued2008-07-
dc.identifier.citationProceeding of the 17th World Congress, The International Federation of Automatic Control, Seoul, Korea, July 6-11, 2008en
dc.identifier.urihttp://hdl.handle.net/10371/27080-
dc.description.abstractIn this paper, a new alignment algorithm that uses simultaneously both open-loop and closedloop
scheme is designed to increase the convergence rate of the Kalman filter in the fine alignment stage.
Generally, the initial alignment is divided into coarse and fine alignment. The fine alignment stage with the
10-state Kalman filter refines the initial estimate of the transformation matrix given by the coarse
alignment algorithm. This paper derives a convergence theorem of the Kalman filter for analyzing a
problem of the 10-state Kalman filter in the fine alignment. In order to resolve the problem, the new
alignment algorithm calculates the attitude angles with the open-loop scheme and estimates the
accelerometer and gyro biases with the closed-loop scheme at once. The estimated bias errors are used to
correct the sensor errors that are utilized to calculate the attitude angles in the open-loop scheme. The
computer simulation results illustrate the efficiency of this new alignment algorithm.
en
dc.language.isoenen
dc.publisherThe International Federation of Automatic Controlen
dc.titleA New Initial Alignment Algorithm for Strapdown Inertial Navigation System Using Sensor Outputen
dc.typeConference Paperen
dc.contributor.AlternativeAuthor김광진-
dc.contributor.AlternativeAuthor박찬국-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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