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Journal of Projectiles, Rockets, Missiles and Guidance >

2011 , Vol. 31 >Issue 1: 1 - 4

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2011.01.034

MISSILES AND GUIDANCE TECHNOLOGY

Missile-borne SINS Online Calibration

  • ZHOU Benchuan ,
  • CHENG Xianghong ,
  • LU Yuan
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  • School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China

Received date: 2010-05-18

  Online published: 2025-05-30

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Abstract

In order to solve the online calibration problem of missile strapdown inertial navigation system (SINS), velocity and attitude matching method based on H∞ filtering was designed to calibrate the errors of gyroscope and accelerometer online. The effect of time unsynchronized information between SINS and master inertial navigation system (MINS) on H∞ filtering estimation was analyzed, and a new method of time synchronization was proposed. The simulation using airborne test data shows that the free inertial navigation position errors of missile SINS are greatly reduced by 82.6% through online calibration and compensation, the online calibration method can estimate SINS errors effectively.

Key words： strapdown inertial navigation; online calibration; velocity and attitude matching; H∞ filtering; time-delay

Cite this article

ZHOU Benchuan , CHENG Xianghong , LU Yuan . Missile-borne SINS Online Calibration[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2011 , 31(1) : 1 -4 . DOI: 10.15892/j.cnki.djzdxb.2011.01.034

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