A rotation scheme for dual-unit inertial navigation system based on MEMS sensors
作者： Lixiang Zhang , Lei Wang , Zengiun Liu , Jingxuan Ban
DOI: 10.1109/GNCC42960.2018.9019108
关键词:
摘要: Inertial navigation system (INS) based on Micro-Electro-Mechanical System (MEMS) has been used in the both civil and military fields. However, large errors such as bias restrict them from being applied widely. Rotating modulation technique is a mature method which can modulate constant of MEMS. In this way, all devices’ be modulated if INS two axes. Dual-axis different forms organizational structures will affect error propagation characteristics. Traditional dual-axis RINS cannot at same time, paper, dual-unit studied an improved rotation scheme proposed. Theoretical analysis proves that performance reported better than traditional RINS. Simulation results Matlab show with proposed much eight-position scheme, whose position accuracy strap-down mode. What more, improve fault-tolerant system.
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