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惯性导航系统与GPS/GLONASS(简称GNSS)组合导航系统在导航特性方面的互补性,使惯性/卫星组合导航系统获得了广泛的应用。但组合过程中出现的不组合问题对组合精度有着极大的影响。针对使用中出现的不组合问题,深入研究了组合机理,建立了相应的故障树,根据故障模式提出了常用排故策略,大幅提升了排故效率和能力。
Inertial navigation system and GPS / GLONASS (GNSS) integrated navigation system in the navigation characteristics of the complementary nature of the inertial / satellite integrated navigation system has been widely used. However, the uncombined problems in the combination process have a great impact on the combination accuracy. Aiming at the uncombined problems in use, the combinatorial mechanism is deeply studied and a corresponding fault tree is established. Based on the fault modes, a common strategy for troubleshooting is proposed, which greatly improves the efficiency and capability of troubleshooting.