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标题：Instrumenting Polyodon spathula (Paddlefish) Rostra in Flowing Water with Strain Gages and Accelerometers
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作者：Clayton R. Thurmer ; Reena R. Patel ; Guilermo A. Riveros 等
期刊名称：Biosensors
电子版ISSN：2079-6374
出版年度：2020
卷号：10
期号：4
页码：37-52
DOI：10.3390/bios10040037
出版社：MDPI Publishing
摘要：The prominent rostrum of the North American Paddlefish, supported by a lattice-like endoskeleton, is highly durable, making it an important candidate for bio-inspiration studies. Energy dissipation and load-bearing capacity of the structure from extreme physical force has been demonstrated superior to that of man-made systems, but response to continuous hydraulic forces is unknown and requires special instrumentation for in vivo testing on a live fish. A single supply strain gage amplifier circuit has been combined with a digital three-axis accelerometer, implemented in a printed circuit board (PCB), and integrated with the commercial-off-the-shelf Adafruit Feather M0 datalogger with a microSD card. The device is battery powered and enclosed in silicon before attachment around the rostrum with a silicon strap "watch band." As proof-of-concept, we tested the instrumentation on an amputated Paddlefish rostrum in a water-filled swim tunnel and successfully obtained interpretable data. Results indicate that this design could work on live swimming fish in future in vivo experiments.
关键词：strain gage; accelerometer; instrumentation; ARM M0; Low-SWaP; printed circuit board (PCB); Polyodon spathula ; bio-inspired materials; bio-inspired structures; in vivo strain gage ; accelerometer ; instrumentation ; ARM M0 ; Low-SWaP ; printed circuit board (PCB) ; Polyodon spathula ; bio-inspired materials ; bio-inspired structures ; in vivo