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Volume 23 Issue 3
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2015  >  23(3): 218-221
LIU Yong-hong, LIU Ming-yong, XIE Bo, WANG Hai-miao. Online Calibration Technology of Two-axis Rotation Laser SINS[J]. Journal of Unmanned Undersea Systems, 2015, 23(3): 218-221. doi: 10.11993/j.issn.1673-1948.2015.03.011
Citation: LIU Yong-hong, LIU Ming-yong, XIE Bo, WANG Hai-miao. Online Calibration Technology of Two-axis Rotation Laser SINS[J]. Journal of Unmanned Undersea Systems, 2015, 23(3): 218-221. doi: 10.11993/j.issn.1673-1948.2015.03.011
shu

Online Calibration Technology of Two-axis Rotation Laser SINS

doi: 10.11993/j.issn.1673-1948.2015.03.011
  • 1.

    School of Marine Science and Technology, Northwestern Polytechnical University, Xi′an 710072, China

  • 2.

    The 16 Institute of the 9th Academy, China Aerospace Science and Technology Corporation, Xi′an 710100, China

  • Publish Date: 2015-06-20
    Abstract
  • The errors of gyros and accelerometers are the key factors affecting the precision of navigation of laser strap-down inertial navigation system(SINS). Based on the framework feature of two-axis rotation laser SINS, an online calibration method was proposed in this study by taking velocity and position errors as measurement information. This method can implement online calibration when the laser SINS are in both stable and moving conditions. Vehicle-borne test indicates that the error parameters of laser gyros and accelerometers can be calibrated precisely with the proposed calibration method and calibration route in the case without calibration devices such as the calibration flat and precise turntable. This calibration method is simple in principle and implementation, and does not require strict conditions for environment and equipment.

     

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    • References(7)
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