Title:

SWaT: Safe Whale Tag​​

Whale tagging is an important tool for marine biologists. Longer time-series provide better data, but for a tag to remain on a whale for such a long period, invasive methods must be used. These methods are dangerous to the specimen and can result in death. Non-invasive tagging methods exist, but do not adhere to the specimen for as long. The demand for a superior method of adhering to a specimen motivates this project. Multiple adhesion methods were considered, and two were finally pursued. The first method uses a traditional suction cup with custom geometry that provides a stronger resistance to stress. The second method is more novel, using a linear actuator to lift a thin silicone membrane, causing a change in volume that creates a slight vacuum. These methods of adhesion were mounted on custom designed housings to test their capabilities with a realistic load. Furthermore, these housings were equipped with sensors and electronics for a proof of concept for the whole system. The goal of this project was to perform the necessary research to allow future cohorts to develop a superior design for whale tags, providing them invaluable knowledge about which designs are most plausible and effective.

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