Review on hull deformation measurement methods

Gao, Da Feng; Zheng, Jinfeng; Tan, Wenfeng; Qin, Shiqiao

doi:10.1117/12.2580165

Cited by 2 publications

(1 citation statement)

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“…Therefore, the real-time measurement of hull deformation is of great significance to the establishment of a unified spatial reference for the whole ship [4]. Benefiting from the advantages of independence, continuous measurement and low installation cost, inertial measurement method has become one of the most promising hull deformation measurement methods in recent years [5,6].…”

Section: Introductionmentioning

confidence: 99%

Improved Spatio-Temporal Alignment Measurement Method for Hull Deformation

Xu,

Yu,

Zhang

et al. 2024

J. of Syst. Eng. Electron.

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In this paper, an improved spatio-temporal alignment measurement method is presented to address the inertial matching measurement of hull deformation under the coexistence of time delay and large misalignment angle. Large misalignment angle and time delay often occur simultaneously and bring great challenges to the accurate measurement of hull deformation in space and time. The proposed method utilizes coarse alignment with large misalignment angle and time delay estimation of inertial measurement unit modeling to establish a brand-new spatiotemporal aligned hull deformation measurement model. In addition, two-step loop control is designed to ensure the accurate description of dynamic deformation angle and static deformation angle by the time-space alignment method of hull deformation. The experiments illustrate that the proposed method can effectively measure the hull deformation angle when time delay and large misalignment angle coexist.

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Section: Introductionmentioning

confidence: 99%