加速度计寻北仪的理论分析与设计

Theory analysis and design for the north seeking instrument using accelerometer

为了最大程度地提高加速度计寻北仪的寻北精确度,介绍了铅垂轴系单轴速率台寻北方案,提出了水平轴系速率台方案和铅垂正弦速率方案,对3种寻北方案的数学模型进行了描述,对数据处理过程进行了详细阐述,最后对3种方案的优缺点进行了比较,指出后两种新方案在指北精确度上将有很大的提高.

Besides an introduction to the vertical angular velocity turntable scheme, two kinds of new north seeking schemes are put forward in order to enhance the north seeking accuracy to a great extent, i.e. the horizontal angular velocity turntable scheme and the vertical sinusoidal linear velocity mechanism scheme, and their mathematical models are given, their data processes are expounded in detail, then the advantages and disadvantages of these three kinds of north seeking system are compared with one another and indicates that the north seeking accuracy of the last two kinds of schemes are improved a lots.