Volume 5 Issue 2
Apr.  2012
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MA Qing-kun, QIAO Yan-feng, WANG Xiao-ming, GAO Hui-bin, AN Xue-jing. Real-time measurement of dynamic horizontal attitudes of ships based on optical method[J]. Chinese Optics, 2012, 5(2): 189-193. doi: 10.3788/CO.20120502.0189
Citation: MA Qing-kun, QIAO Yan-feng, WANG Xiao-ming, GAO Hui-bin, AN Xue-jing. Real-time measurement of dynamic horizontal attitudes of ships based on optical method[J]. Chinese Optics, 2012, 5(2): 189-193. doi: 10.3788/CO.20120502.0189

Real-time measurement of dynamic horizontal attitudes of ships based on optical method

doi: 10.3788/CO.20120502.0189
  • Received Date: 11 Dec 2011
  • Rev Recd Date: 13 Jan 2012
  • Publish Date: 10 Apr 2012
  • In order to solve the problem of low accuracy( 10 arcsec) in traditional real-time horizontal measurement methods, this paper introduces a new real time measurement method for the dynamic attitudes of a survey ship based on optical measurement. The model of precise optical angle encoder measurement+inertia synchronous duplex platform+horizontal attitude error detection tool is designed to ensure the tracking stability and to improve the measurement accuracy. Experimental results show that this method can provide more stable attitude data of the survey ship with greater precision(pitch:5.37 arcsec, rolling:3.60 arcsec) than those of the traditional Inertial Navigation System(INS). As a universal standard of precise measurement for moving carriers, this design can provide accurate real-time level of baseline information, or the accuracy level for INS accreditation of moving carriers.

     

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