北斗三频海基JPALS无故障导航算法

doi:10.7527/S1000-6893.2017.321340

电子电气工程与控制

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北斗三频海基JPALS无故障导航算法

王官龙, 崔晓伟, 陆明泉

1. 清华大学电子工程系
2.

收稿日期:2017-04-21 修回日期:2017-08-02 出版日期:2017-12-15 发布日期:2017-08-02
通讯作者: 崔晓伟 E-mail:cxw2005@tsinghua.edu.cn

Triple-frequency sea-based JPALS fault-free navigation algorithm for BDS

WANG Guanlong, CUI Xiaowei, LU Mingquan

Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

Received:2017-04-21 Revised:2017-08-02 Online:2017-12-15 Published:2017-08-02

摘要/Abstract

摘要： 基于卫星导航系统的海基精密进近与着陆系统（JPALS）是未来舰载机自主着舰引导技术的发展方向。针对当前海基JPALS导航算法的研究都是基于双频观测量，存在无几何滤波时间长、要求的伪距观测量精度较苛刻的问题，提出一种在北斗（BDS）海基JPALS中使用三频观测量的无故障导航算法。通过对在中国东海钓鱼岛海域7天时间使用该导航算法用于精密进近引导的性能进行仿真分析，结果表明：该北斗海基JPALS无故障导航算法使用B1/B2宽巷和B1/B3中巷组合的无几何模糊度预滤波架构只需要8 min无几何滤波时间就能实现海基JPALS要求的性能，而且其对伪距观测量的精度要求甚至可以放宽到50 cm，使北斗海基JPALS的可用性性能大大提高。此外，载波相位观测量精度不能超过0.7 cm时，该北斗三频海基JPALS算法能在3 n mile外就实现模糊度固定，使高精度载波相位提早用于海基JPALS精密进近引导。

关键词: 海基JPALS, 北斗, 三频, 无几何预滤波, 观测量精度

Abstract: Based on the navigation satellite system, sea-based Joint Precision Approach and Landing System (JPALS) represents the direction of future development of the shipboard aircraft auto-landing technology. The current researches on sea-based JPALS navigation algorithm is based on dual-frequency measurements, which has the problem of long geometric-free filtering period and stringent requirement of the accuracy of pseudo-range measurements. So in this dissertation, prototype algorithms for sea-based JPALS based on triple-frequency measurements of Beidou Navigation Satellite System (BDS) is proposed. The results of 7 days simulation analysis at sea area of China Diaoyu islands show that it only takes 8 min of geometric-free filtering time for this three-frequency navigation algorithm to achieve the required performance of sea-based JPALS by using the B1/B2 Wide-Lane and B1/B3 Medium-Lane combination for triple-frequency geometric-free ambiguity pre-filtering algorithm. And the availability performance of BDS triple-frequency sea-based JPALS can be enhanced greatly even if the accuracy of pseudo-range measurements is relaxed to as much as 50 cm. And another advantage of this BDS triple-frequency sea-based JPALS algorithm is, when the accuracy of the carrier phase measurements is within 0.7 cm, it can fix the ambiguity at 3 n mile away from the aircraft carrier, which leads to the earlier application of high precision carrier phase measurements to the BDS sea-based JPALS integrity monitoring.

Key words: sea-based JPALS, Beidou Navigation Satellite System (BDS), triple-frequency, geometric-free pre-filtering, measurements accuracy

中图分类号:

V474.2

王官龙, 崔晓伟, 陆明泉. 北斗三频海基JPALS无故障导航算法[J]. 航空学报, 2017, 38(12): 321340-321340.

WANG Guanlong, CUI Xiaowei, LU Mingquan. Triple-frequency sea-based JPALS fault-free navigation algorithm for BDS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017, 38(12): 321340-321340.

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

北斗三频海基JPALS无故障导航算法

Triple-frequency sea-based JPALS fault-free navigation algorithm for BDS

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