SHERP

UKF를 사용한 운항 중 정렬 성능 분석
Performance Analysis of In-Flight Alignment Using UKF

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Authors
강우용; 김광진; 박찬국
Issue Date
2006-11
Publisher
제어로봇시스템학회 = Institute of Control, Robotics and Systems
Citation
제어·자동화·시스템공학 논문지, 제12권, 제11호, pp. 1124-1129, 11. 2006
Keywords
in-flight alignmentSDINSGPSSSBLUTUKFEKFheading error
Abstract
In this paper, in-flight alignment algorithm using UKF is presented for an SDiNS aided by SSBL or GPS system under large initial heading error. The EKF usually applied for this task. This approximates the propagation of mean and covariance accurate to first-order only. To overcome this limitation, the unscented transformation that achieves second order approximation is applied to
the in-flight alignment. To analyze the performance of the proposed method, simulations for S-type trajectory are carried out. The results show that performance of EKF and UKF are the almost same when the initial heading error is smaller than 30°, but UKF has a better performance for large initial heading error about 45°.
ISSN
1225-9845
Language
Korean
URI
http://hdl.handle.net/10371/9667
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Journal Papers (저널논문_기계항공공학부)
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