Optically-aided Transfer Alignment of Vehicle-launched Missile

doi:10.3969/j.issn.1000-1093.2015.03.019

Abstract

Abstract: The requirements of vehicle-launched missile for the initial alignment in modern warfare are analyzed from the aspects of launch preparation time and alignment accuracy. A new alignment method combining optical collimation and transfer alignment is proposed. A system construction scheme is proposed, and an optical azimuth transitive relation between master inertial navigation system (MINS) and slave inertial navigation system (SINS) is derived. The relative azimuth obtained by optical collimation is introduced into the measurement equation of “ angular rate plus acceleration matching” to estimate the installation angle between MINS and SINS by utilizing the Kalman filter. In the laboratory, the principle experiment is implemented to verify the optical azimuth transfer algorithm. The mathematical simulation for optically-aided transfer alignment is carried out. The simulation results show that the proposed method has fast convergence speed and high alignment accuracy to meet the demand of the initial alignment of modern vehicle-launched missiles.

Key words: control science and technology, vehicle-launched missile, optical aid, collimator, transfer alignment, relative azimuth measurement

CLC Number:

U666.1

LIANG Hao, WANG Dan-dan, MU Rong-jun, CUI Nai-gang. Optically-aided Transfer Alignment of Vehicle-launched Missile[J]. Acta Armamentarii, 2015, 36(3): 510-515.

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