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首页> 外文期刊>地球空间信息科学学报（英文版） >一种低成本低精度SINS/GPS组合导航系统及试验
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一种低成本低精度SINS/GPS组合导航系统及试验

机译：一种低成本低精度SINS/GPS组合导航系统及试验

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机译：When SINS (strap-down inertial navigation system) is combined with GPS, the observability of the course angle is weak. Although the course angle error is improved to some extent through Kalman filtering, the course angle still assumes a divergent trend. This trend is aggravated further when using low-cost and low-accuracy SINS. In order to restrain this trend, a method that uses AHRS to substitute for SINS course angle information is put forward aimed at the hardware component characteristic of the low-cost and low-accuracy SINS including AHRS (attitude and heading reference system) and IMU (inertial measurement unit). Real static and dynamic experiments show that the method can restrain the divergent trend of the navigation system angle effectively, and the positioning accuracy is high.

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