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首页> 外文期刊>IEEE Journal of Oceanic Engineering >Experimental Research on Seafloor Mapping and Vertical Deformation Monitoring for Gas Hydrate Zone Using Nine-Axis MEMS Sensor Tapes
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Experimental Research on Seafloor Mapping and Vertical Deformation Monitoring for Gas Hydrate Zone Using Nine-Axis MEMS Sensor Tapes

机译：九轴MEMS传感器带对水合物带进行海底制图和垂直变形监测的实验研究

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摘要

Seafloor mapping and vertical deformation monitoring are important for a gas hydrate exploitation. Due to the complexity of the marine environment and the difficulty of the seafloor operation, an in situ seafloor mapping and high-resolution vertical deformation monitoring simultaneously are big challenges. This paper describes an experimental research on an in situ system for a seafloor mapping and vertical deformation monitoring based on an elastic steel tape, along which an array of nine-axis microelectromechanical system (MEMS) sensors is arranged. The tape can measure both the motion of the bend and the twist. The MEMS sensor consists of an accelerometer, a gyroscope, and a magnetometer. The Euler angles obtained from the nine-axis MEMS sensor can be converted to a relative rotation matrix, showing the amount of the bend and the twist, and the curved shape of the tape can be calculated. Based on this concept, multitapes are used for the seafloor mapping and vertical deformation monitoring. To assess the monitoring system, a lab scale experiment in a water tank is carried out. The results demonstrate the feasibility of the proposed system for the seafloor mapping and deformation monitoring.
机译：海底测绘和垂直变形监测对于天然气水合物的开采很重要。由于海洋环境的复杂性和海底作业的困难，同时进行原位海底制图和高分辨率垂直变形监测是很大的挑战。本文描述了基于弹性钢带的海底制图和垂直变形监测原位系统的实验研究，沿着该系统布置了九轴微机电系统（MEMS）传感器阵列。磁带既可以测量弯曲的运动，也可以测量扭曲的运动。 MEMS传感器由加速度计，陀螺仪和磁力计组成。从九轴MEMS传感器获得的欧拉角可以转换为相对旋转矩阵，显示出弯曲和扭曲的量，并且可以计算出磁带的弯曲形状。基于此概念，多带被用于海底标测和垂直变形监测。为了评估监视系统，在水箱中进行了实验室规模的实验。结果证明了该系统在海底制图和变形监测中的可行性。

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