OPTICS & OPTOELECTRONIC TECHNOLOGY, Volume. 23, Issue 4, 105(2025)

An Optimized Initial Alignment Method Based on Damped Gauss-Newton Iteration Without Latitude

ZHANG Jing-yan1, ZHANG Qian-xuan2, and GUO Yun-peng3
Author Affiliations
  • 1The Department of Naval Equipment of PLA, Beijing 100036, China
  • 2China Ship Development and Design Center, Wuhan 430064, China
  • 3Huazhong Institute of Electro-Optics — Wuhan National Laboratory for Optoelectronics, Wuhan 430223, China
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    References(7)

    [2] [2] Silva F O, Hemerly E M, Filho W C L,et al. A fast in-field coarse alignment and bias estimation method for stationary intermediate-grade IMUs[J]. IEEE Trans. Instrum. Meas, 2018, 67(4): 831-838.

    [3] [3] Wang S, Yang G, Chen W,et al. Latitude determination and error analysis for stationary sins in unknow-position condition[J]. Sensors, 2020, 20(9): 2558-2575.

    [10] [10] Jingchun Li, Wei Gao, Ya Zhang. Gravitational apparent motion-based sins self-alignment method for underwater vehicles[J]. IEEE Transactions on Vehicular Technology, 2018, 67(12): 11402-11410.

    [11] [11] Xu X, Xu X S, Zhang T,et al. In-motion filter-quest alignment for strapdown inertial navigation systems[J]. IEEE Transactions on Instrumentation and Measurement, 2018, 67(8): 1979-1993.

    [12] [12] Wang J, Zhang T, Tong J W,et al. A fast SINS self-aligment method under geographic latitude uncertainty[J]. IEEE Sensors, 2020, 20(6): 2885-2894.

    [20] [20] Chang L B, Li J S, Li K L. Optimization-based alignment for strapdown inertial navigation systems: comparison and extension[J]. IEEE Transactions on Aerospace and Electronic Systems, 2016, 52(4): 1697-1713.

    [21] [21] Liu X X, Liu X J, Song Q,et al. A novel self- alignment method for SINS based on three vectors of gravitational apparent motion in inertial frame[J]. Measurement, 2015, 62(3): 47-62.

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    ZHANG Jing-yan, ZHANG Qian-xuan, GUO Yun-peng. An Optimized Initial Alignment Method Based on Damped Gauss-Newton Iteration Without Latitude[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2025, 23(4): 105

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    Paper Information

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    Received: Jun. 17, 2024

    Accepted: Aug. 12, 2025

    Published Online: Aug. 12, 2025

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