NDLI: Strapdown sensors and seeker based guidance filter design

Content Provider	IEEE Xplore Digital Library
Author	Joongsup Yun Chang-Kyung Ryoo Taek-Lyul Song
Copyright Year	2008
Description	Author affiliation: Dept. of Aerosp. Eng., Inha Univ. (Joongsup Yun; Chang-Kyung Ryoo) \|\| Div. of Electr. Eng. & Comput. Sci., Hanyang Univ. (Taek-Lyul Song)
Abstract	Precision guidance filter design for a tactical missile with a strapdown seeker aided by low-cost strapdown sensors has been addressed in this paper. The low-cost strapdown sensors consist of an IMU with 3-axis accelerometers and gyroscopes, two 3-axis magnetometers, and a barometer. Missilepsilas position, velocity, attitude, and bias error of the barometer are considered as state variables. Since the state and measurement equations are highly nonlinear, we adopt UKF(Unscented Kalman Filter). The proposed guidance filter has a function of a navigation filter if target position error is not considered. In the case that the target position error is introduced, the proposed filter can effectively estimate the relative states of the missile to the true target. For specific engagement scenarios, we can observe that observability problems occur. Estimation performance of the proposed filter is affected by the missilepsilas maneuver pattern.
Starting Page	468
Ending Page	472
File Size	562557
Page Count	5
File Format	PDF
ISBN	9788995003893
DOI	10.1109/ICCAS.2008.4694686
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-14
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	ICROS
Subject Keyword	Accelerometers Missiles Nonlinear equations Magnetometers Navigation Strapdown sensor Guidance filter Filters Magnetic separation Magnetic sensors Strapdown seeker Multi-sensor fusion Gyroscopes State estimation Unscented Kalman filter
Content Type	Text
Resource Type	Article

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