Research on INS/Terrestrial Pseudo-range Integrated Navigation
Based on direct sequence spread spectrum code and varies frequencies, the terrestrial pseudo ranging system have high precision and strong anti-jamming capability and could enhance the navigation accuracy of aircraft by fusion with Integrated Navigation System (INS). A fusion method of pseudo-range measurements and inertial sensor data in INS/Pseudo-Range navigation system was proposed in this paper. Extended Kalman Filter (EKF) which is commonly used in integrated navigation inherits Kalman Filter (KF)s advantage in having good computational efficiency, but often leads to unstable estimations. Unscented Kalman Filter (UKF) is recently suggested for stability improvements, and it is more suitable for nonlinear filter. The comparison between theses two nonlinear filter in the INS/Pseudo-Range integrated navigation was also conducted.. Simulation results show that the UKF approach offers better performances over EKF.
INS/pseudo-range EKF UKF
Zhang Kang Shao Huibing Yu Hao Li Zhicheng
Beijing Institute of Control and Electronic Technology, Beijing 100038,China School of Science, Tianjin University, Tianjin 300072,China School of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, China
国际会议
太原
英文
262-265
2010-10-22（万方平台首次上网日期，不代表论文的发表时间）