A Transfer Alignment Method of SINS for Shipborne Torpedo

WANG Yan; WANG Li-wen

doi:10.11993/j.issn.1673-1948.2010.04.010

Volume 18 Issue 4

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Article Navigation > Journal of Unmanned Undersea Systems > 2010 > 18(4): 282-286

WANG Yan, WANG Li-wen. A Transfer Alignment Method of SINS for Shipborne Torpedo[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 282-286. doi: 10.11993/j.issn.1673-1948.2010.04.010

Citation:

WANG Yan, WANG Li-wen. A Transfer Alignment Method of SINS for Shipborne Torpedo[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 282-286. doi: 10.11993/j.issn.1673-1948.2010.04.010

WANG Yan, WANG Li-wen. A Transfer Alignment Method of SINS for Shipborne Torpedo[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 282-286. doi: 10.11993/j.issn.1673-1948.2010.04.010

Citation:

WANG Yan, WANG Li-wen. A Transfer Alignment Method of SINS for Shipborne Torpedo[J]. Journal of Unmanned Undersea Systems, 2010, 18(4): 282-286. doi: 10.11993/j.issn.1673-1948.2010.04.010

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A Transfer Alignment Method of SINS for Shipborne Torpedo

doi: 10.11993/j.issn.1673-1948.2010.04.010

Xi’an Research Institute o f Precision Machinery, Xi’an 710075, China

Received Date: 2009-10-21
Rev Recd Date: 2009-12-07
Publish Date: 2010-08-30

Abstract

Abstract

Addressing the initial alignment of strapdown inertial navigation system (SINS) for shipborne torpedo, we present a new transfer alignment method on moving base, i. e. sequential matching scheme. The scheme adopts the “first angular rate matching, then velocity plus attitude matching” method to make the misalignment angle converge rapidly when angular motion of the base is slight. The oscillation during the interim is suppressed by keeping measurement noise covariance or by using adaptive Kalman filter. We compare the sequential matching with velocity plus attitude matching by using Kalman filter algorithm. Simulation results show that the proposed method has shorter response time and more general applicability.
- shipborne torpedo,
- strapdown inertial navigation system (SINS),
- transfer alignment,
- sequential matching,
- velocity plus attitude matching,
- Kalman filter algorithm

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References(10)

References

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A Transfer Alignment Method of SINS for Shipborne Torpedo

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