Robust Filtering for Fine Alignment on the Moving Base for SINS
In this paper, Krein space robust filtering for fine alignment on the moving base for Strap-down Inertial Navigation System (SINS) is proposed. The state modeling of SINS with parameter uncertainty is established. The system uncertainty is described through Sum Quadratic Constraint (SQC) which leads to optimization problem of an objective deterministic quadratic form. To handle the optimization, the corresponding formal stochastic system in Krein space is established according to the quadratic form, then the priori and the posteriori estimation recursions of Krein space linear estimation to fine alignment for SINS with time-varying bias is given. Finally, the simulation shows the property of proposed method.
SINS Moving Base Fine alignment Krein space linear estimation Robust filtering
Kai Yao Qidan Zhu
College of Automation, Harbin Engineering University, Harbin, 150001, China
国际会议
三亚
英文
501-504
2012-01-06(万方平台首次上网日期,不代表论文的发表时间)