TY - JOUR
T1 - 快速强跟踪UKF算法及其在机动目标跟踪中的应用
AU - Bao, Shuida
AU - Zhang, An
AU - Bi, Wenhao
N1 - Publisher Copyright:
© 2018, Editorial Office of Systems Engineering and Electronics. All right reserved.
PY - 2018/6/1
Y1 - 2018/6/1
N2 - When the system model can not correctly describe the real system, the strong tracking unscented Kalman filter (UKF) can well make up the lack of robustness in the traditional UKF and ensure the accuracy of filtering. However, the computational load of strong tracking UKF is greatly increased due to the additional use of unscented transform. To solve this problem, the Taylor expansion is employed to analyze the mechanism of fading factor in UKF, an approximation fading factor introducing method is established, and the speedy strong tracking UKF is proposed based on the approximation introducing method. A qualitative analysis is carried out using statistical floating-point operations (flops), which shows that the computational load of speedy strong tracking UKF is close to that of traditional UKF. The convergence is discussed based on the filtering convergence criterion. Simulation results demonstrate that speedy strong tracking UKF performs similarly compared with strong tracking UKF, while the computational load has been significantly degraded.
AB - When the system model can not correctly describe the real system, the strong tracking unscented Kalman filter (UKF) can well make up the lack of robustness in the traditional UKF and ensure the accuracy of filtering. However, the computational load of strong tracking UKF is greatly increased due to the additional use of unscented transform. To solve this problem, the Taylor expansion is employed to analyze the mechanism of fading factor in UKF, an approximation fading factor introducing method is established, and the speedy strong tracking UKF is proposed based on the approximation introducing method. A qualitative analysis is carried out using statistical floating-point operations (flops), which shows that the computational load of speedy strong tracking UKF is close to that of traditional UKF. The convergence is discussed based on the filtering convergence criterion. Simulation results demonstrate that speedy strong tracking UKF performs similarly compared with strong tracking UKF, while the computational load has been significantly degraded.
KW - Computational load
KW - Fading factor introducing method
KW - Filtering accuracy
KW - Strong tracking filter
KW - Unscented Kalman filter (UKF)
UR - http://www.scopus.com/inward/record.url?scp=85052974654&partnerID=8YFLogxK
U2 - 10.3969/j.issn.1001-506X.2018.06.01
DO - 10.3969/j.issn.1001-506X.2018.06.01
M3 - 文章
AN - SCOPUS:85052974654
SN - 1001-506X
VL - 40
SP - 1189
EP - 1196
JO - Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics
JF - Xi Tong Gong Cheng Yu Dian Zi Ji Shu/Systems Engineering and Electronics
IS - 6
ER -