TY - GEN
T1 - A data fusion algorithm based on weighted least square for agile projectile's attitude determination
AU - Wang, Yong
AU - Liu, Zhide
AU - Chen, Jiabin
AU - Song, Chunlei
AU - Wang, Jun
PY - 2009
Y1 - 2009
N2 - In this paper, a data fusion algorithm based on weighted least square is proposed to determine the attitude of low-rotary agile projectile. Three micro electro-mechanical system (MEMS) accelerometers are used as strapdown inertial measurement units (IMUs), and the unscented Kalman filter is used to directly estimate attitude of projectile by gravity components of measurement values of three accelerometers. The attitude estimation by three accelerometers is fused with the estimation by using three MEMS gyroscopes based on weighted least square. Experimental results on the three-axis flight test rotary table show the proposed data fusion algorithm effectively improves the precision of attitude estimation and stability of attitude determination system.
AB - In this paper, a data fusion algorithm based on weighted least square is proposed to determine the attitude of low-rotary agile projectile. Three micro electro-mechanical system (MEMS) accelerometers are used as strapdown inertial measurement units (IMUs), and the unscented Kalman filter is used to directly estimate attitude of projectile by gravity components of measurement values of three accelerometers. The attitude estimation by three accelerometers is fused with the estimation by using three MEMS gyroscopes based on weighted least square. Experimental results on the three-axis flight test rotary table show the proposed data fusion algorithm effectively improves the precision of attitude estimation and stability of attitude determination system.
KW - Attitude determination
KW - Data fusion
KW - Unscented Kalman filter
KW - Weighted least square
UR - http://www.scopus.com/inward/record.url?scp=77950894027&partnerID=8YFLogxK
U2 - 10.1109/WNIS.2009.28
DO - 10.1109/WNIS.2009.28
M3 - Conference contribution
AN - SCOPUS:77950894027
SN - 9780769539010
T3 - International Conference on Wireless Networks and Information Systems, WNIS 2009
SP - 154
EP - 157
BT - International Conference on Wireless Networks and Information Systems, WNIS 2009
T2 - International Conference on Wireless Networks and Information Systems, WNIS 2009
Y2 - 28 December 2009 through 29 December 2009
ER -