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首页> 外文期刊>Journal of Experimental Marine Biology and Ecology >Animal-mounted gyroscope/accelerometer/magnetometer: In situ measurement of the movement performance of fast-start behaviour in fish
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Animal-mounted gyroscope/accelerometer/magnetometer: In situ measurement of the movement performance of fast-start behaviour in fish

机译：动物用陀螺仪/加速度计/磁力计：原位测量鱼类快速启动行为的运动性能

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摘要

A novel data logger incorporating a 3-axis gyroscope, a 3-axis accelerometer, and a 3-axis magnetometer was developed and externally attached to Japanese amberjacks, Seriola quinqueradiata, to investigate the possibility of using this device for monitoring the movement performance of the fast-start behaviour of fish in the field. Triggered escape behaviours were measured simultaneously by the data logger (500 Hz) and a high-speed camera (200 Hz) in a tank. By using a gyroscope, the data logger accurately reconstructed the gravity-based acceleration, 3-dimensional attitude, dynamic acceleration, and angular velocity of fish during the fast-start movement, which was impossible by previous methods using only an accelerometer and a magnetometer; these variables can therefore be used to assess the distance-related performance and manoeuverability of fish. The escape movements can be categorised into two mechanical types (single- and double-bend) using the obtained locomotor variables, which showed significant differences between movement types. These results indicate the possibility of using this animal-mounted data logger to quantify the movement performance of the fast-start behaviour of fish in nature.
机译：开发了一种新型的数据记录器，该数据记录器结合了3轴陀螺仪，3轴加速度计和3轴磁力计，并从外部连接到日本S鱼Seriola quinqueradiata，以研究使用此设备监测食管的运动性能的可能性。鱼在田间的快速启动行为。触发的逃逸行为是由坦克中的数据记录器（500 Hz）和高速摄像头（200 Hz）同时测量的。通过使用陀螺仪，数据记录器可以精确地重建快速启动过程中鱼的基于重力的加速度，3维姿态，动态加速度和鱼的角速度，而以前的方法仅使用加速度计和磁力计是不可能做到的。因此，这些变量可用于评估与距离有关的性能和鱼类的可操纵性。使用获得的运动变量可以将逃生运动分为两种机械类型（单弯曲和双弯曲），这表明运动类型之间存在显着差异。这些结果表明，可以使用这种安装在动物身上的数据记录器来量化自然界中鱼类快速启动行为的运动表现。

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