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Initial alignment is one of the key technologies of inertial navigation system, but in moorage, the external disturbance will impair the accuracy in the initial alignment of inertial navigation systems. The purpose of this paper is to design a network parameter of initial alignment which has the capacity of resisting disturbance, analyzing the design method of the alignment loop network parameter,...
Taking submarine platform inertial navigation system (PINS) as the research object, the space motion mathematical models of submarine are analyzed and established. Then according to the submarine symmetry and submarine motion characteristics, the model is reasonably simplified by theoretical and experiences study. Through coordinate transformation relationship research of the fixed coordinate system,...
Sea experiment is the last link before inertial navigation system (INS) is put into use formally. It is designed with meticulous care to imitate actual application environment for testing a new product whether it matches given technical specification and actual application requirement. The INS shouldn't be put into service unless it has passed the sea experiment. The paper designs a sea experiment...
This paper describes the high accuracy inertial navigation system (INS) for autonomous underwater vehicle application. Because fiber optical gyroscope (FOG) operational principle for sensing inertial rotation is not mechanical, but optical, FOG is inherently quick to start, resistant to shock and vibration, light, compact, and long live. These characteristics make it particularly suitable for strapdown...
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