A Rapid and Low-Cost North-Finder Design with Error Compensation
This paper presents a rapid and low-cost north-finder with error compensation(EC_North-Finder).An electronic compass is adopted as a core measuring unit and the steering mechanism of the instrument probe is adjusted through the translocation motor.Aiming at the influence of interference factors,a compensation algorithm which is based on the ellipse hypothesis is used in the calibration of electronic compass.Controlled by single chip microcomputer,the system could collect the location information; operate the translocation motor automatically and intelligently.In addition,the orientation data can also be processed and stored.The experiments results show that the precision of orientation data can be less than 0.8°.
North-findng Electronic compass Error compensation of compass Digital PID control
Fangzhou Zheng Shugui Wu Xiao Lin Yaping Dai
School of Automation,Beijing Institute of Technology,Beijing,China,100081 National Earthquake Infrastructure Service
国际会议
长沙
英文
1544-1549
2014-05-31（万方平台首次上网日期，不代表论文的发表时间）