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随着科学技术的发展,人们对动态载体运动目标的跟踪精度和可靠性要求越来越高,依靠单一传感器进行的导航与跟踪控制已不能满足需要,于是出现了多系统的组合导航。全球卫星导航系统(GNSS)与惯性导航系统(INS)作为当前最常用的两种导航手段具有各自的优缺点,GNSS与INS组合构成的GNSS/INS紧组合导航系统取各子系统之长,在智能车研发、车道级导航及移动地图匹配等方面具有广阔的应用前景,是当前导航技术领域最受关注的研究热点和发展方向之一。
With the development of science and technology, the tracking accuracy and reliability of moving target are getting higher and higher. The navigation and tracking control based on single sensor can not meet the need. So multi-system combined navigation appears. GNSS and INS have their own advantages and disadvantages as the most commonly used two navigation methods at present. The GNSS / INS tight integrated navigation system consisting of GNSS and INS takes the length of each subsystem. Intelligent vehicle research and development, lane-level navigation and mobile map matching has broad application prospects. It is one of the most studied hot spots and directions of development in the current navigation technology field.