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


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Аннотация

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.

Авторлар туралы

A. Stepanov

Concern CSRI Elektropribor, JSC; ITMO University

Хат алмасуға жауапты Автор.
Email: apstepanov@mail.ru
Ресей, St. Petersburg; St. Petersburg

G. Emel’yantsev

Concern CSRI Elektropribor, JSC; ITMO University

Email: apstepanov@mail.ru
Ресей, St. Petersburg; St. Petersburg

B. Blazhnov

Concern CSRI Elektropribor, JSC

Email: apstepanov@mail.ru
Ресей, St. Petersburg

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© Pleiades Publishing, Ltd., 2016