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Water current measurements using oceanographic bottom lander LoTUS

机译:使用海洋底部着陆莲花的水流测量

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LOTUS is a bottom landing, Long Term Underwater Sensing node made for the observation of ocean water temperatures. LoTUS is moored to the seafloor and measures temperature according to a specified time schedule until, at the end of the mission, it surfaces to transmit the collected data to on-shore recipients using an Iridium link. The paper presents an extension of the sensing capability which includes water current velocity (speed and direction) using a robust, reliable and inexpensive Eulerian method. The method is based on the "tilting stick" principle where a combination of inertial and magnetic measurement data are used. The paper discusses the principal technique, modeling of the system, practical considerations, optimization of the setup for specific flow conditions, and the verification of experimental data.
机译:莲花是一个底部着陆,长期水下传感节点用于观察海洋水温。 莲花根据特定时间表停泊在海底和测量温度,直到任务结束,它使用铱星将收集的数据传送到岸上的接收者。 本文介绍了使用稳健,可靠且廉价的欧拉方法的水流速度(速度和方向)的传感能力的延伸。 该方法基于“倾斜棒”原理,其中使用惯性和磁测量数据的组合。 本文讨论了主要技术,系统建模,实践考虑,对特定流动条件的设置优化,以及实验数据的验证。

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