Design and Optimization of Strapdown Fiber Optic Gyro Compass System
作者单位：College of Artificial IntelligenceNankai University
会议名称：《第43届中国控制会议》
会议日期：1000年
学科分类：08[工学] 080401[工学-精密仪器及机械] 081105[工学-导航、制导与控制] 0804[工学-仪器科学与技术] 0825[工学-航空宇航科学与技术] 0811[工学-控制科学与工程]
关 键 词：Navigation Computer DSP FPGA Gyrocompass Self-alignment Sea Trials
摘 要：In order to meet the requirements of the SINS navigation system,including high accuracy,low power consumption,and miniaturization,an embedded navigation computer system based on DSP and FPGA has been *** overall structure of the navigation computer system is initially described,and a comprehensive design plan for the navigation computer hardware is proposed,encompassing the navigation information processing module and the data acquisition and communication *** principle of initial alignment for the strapdown gyrocompass is then studied and analyzed,and the gyrocompass alignment technology is investigated based on the compass loop.A specific implementation algorithm is subsequently ***,the design includes a three-axis swing test and a sea alignment *** effectiveness of the proposed scheme is verified through the sea alignment test plan,where GPS position and log velocity are utilized to assist in the alignment process.