Cooperative Inertial Navigation System Error Correction and Accuracy Analysis of Multi-missiles

doi:10.3969/j.issn.1000-1093.2013.12.006

Abstract

Abstract: In absence of other navigation systems, the inertial navigation system（INS）error of cruise missile will cumulate continuously with time. A novel INS error estimation method for multiple cruise missiles (at least 3 missiles) is proposed, which is based on the passive observation to feature target and the distance information between missiles and INS information without needing of distance information between cruise missile and feature target or altimeter information or airspeed information. Then the influence of geometrical configuration between cruise missile and the feature target on the INS error correction precision is analyzed, and the horizontal and vertical dilutions of precision are deduced, respectively. Finally, the simulation results prove that the validity of the method and the correctness of the conclusion.

Key words: control and navigation technology of aircraft, cruise missile, vision aided navigation, cooperative navigation, inertial navigation system error modification, geometric dilution of precision

CLC Number:

TP391

KOU Kun-hu， ZHANG You-an， LIU Ai-li. Cooperative Inertial Navigation System Error Correction and Accuracy Analysis of Multi-missiles[J]. Acta Armamentarii, 2013, 34(12): 1521-1528.

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