Superconducting quantum optical fiber dual-mode fusion inertial navigation system

Abstract

The invention provides a superconductive quantum optical fiber dual-mode fusion inertial navigation system, and belongs to the field of inertial navigation, the superconductive quantum optical fiber dual-mode fusion inertial navigation system comprises a combined gyroscope and an accelerometer which are fused, the combined gyroscope comprises a shell, a three-axis inertial stabilization platform arranged in the shell, a superconductive quantum gyroscope, an optical fiber gyroscope, a separator, a fusion module and a temperature control module, the superconducting quantum gyroscope and the optical fiber gyroscope are arranged on the three-axis inertially-stabilized platform, the separator is arranged between the shell and the three-axis inertially-stabilized platform to form two thermally-isolated spaces, and the superconducting quantum gyroscope and the optical fiber gyroscope are located in the two spaces respectively. The fusion module is connected with the output end of the superconducting quantum gyroscope and the output end of the optical fiber gyroscope so as to perform fusion processing on two paths of output signals, and the temperature control module and the superconducting quantum gyroscope are located in the same space, so that the superconducting quantum gyroscope operates in the optimal working state. The method is high in precision and stability, is not limited by meteorological conditions, and is wider in application range and higher in adaptability.

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