Gyroscopy and Navigation

, Volume 7, Issue 2, pp 128–136 | Cite as

On the effectiveness of rotation of the inertial measurement unit of a FOG-based platformless ins for marine applications

  • A. P. Stepanov
  • G. I. Emel’yantsev
  • B. A. Blazhnov


The errors of an autonomous platformless inertial navigation system (INS) with fiber-optic gyros (FOG), the inertial measurement unit (IMU) of which is mounted in a two-axis gimbal suspension, are analyzed. The quality criteria and the kinematic scheme of the gimbal are considered. The optimal law of IMU rotation from the standpoint of the selected minimum criterion has been calculated. Simulation was carried out to study the effects of different errors of the IMU sensors on the INS accuracy. The results obtained are confirmed by the development tests of a FOG-based INS designed by Concern CSRI Elektropribor.


Inertial Measurement Unit Inertial Navigation System Orientation Error Autonomous Mode Strapdown Inertial Navigation System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • A. P. Stepanov
    • 1
    • 2
  • G. I. Emel’yantsev
    • 1
    • 2
  • B. A. Blazhnov
    • 1
  1. 1.Concern CSRI Elektropribor, JSCSt. PetersburgRussia
  2. 2.ITMO UniversitySt. PetersburgRussia

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