摘要
APVI/II是依靠卫星定位系统提供导航引导的飞行程序,不依靠地面导航设备就可将飞机精确地引导到跑道。国外依赖美国的GPS系统建立广域增强系统,从而实现APVI/II程序的大规模应用。中国有自主研发的北斗二代卫星导航系统,但当前北斗系统的垂直导航精度达不到APVI/II程序要求,可通过与气压高度融合,提高北斗垂直定位精度,以尽快实现APVI/II在中国的运行。在2020年北斗系统组网完成覆盖全球后,在其GEO卫星上添加星基增强信号,则可以使APVI/II应用得以广泛地实施。本文对北斗二代/气压高度组合导航的算法和程序安全性进行分析,论证现阶段中国使用北斗系统实施APVI/II飞行程序应用的可行性。
APVI/Ⅱ flight procedure is to rely on a satellite positioning system to provide navigation guidance instead of relying on the ground navigation aids. China has built its own Beidou Ⅱ satellite navigation system, but the current vertical navigation accuracy has not reached the requirements for APVI/Ⅱ procedure. Therefore, integrating the Beidou Ⅱ satellite positioning and barometric altitude improves the Beidou II vertical altitude accuracy to satisfy APVI/Ⅱ operation requirement. Global networking construction of Beidou system will be completed in 2020. Its GEO satellite sends satellite-based enhancement signal, which enables wide application of APVI/Ⅱ. This paper analyzes the algorithm and safety of the flight procedure based on combined navigation of Beidon Ⅱ/barometric altitude, demonstrating the feasibility of application of Beidou II system in APVI/Ⅱ flight procedure in China.
出处
《科技导报》
CAS
CSCD
北大核心
2015年第11期75-78,共4页
Science & Technology Review
基金
中国民用航空局民航科技创新引导资金项目(MHRD20130211)
