Instrumenting Polyodon spathula (Paddlefish) Rostra in Flowing Water with Strain Gages and Accelerometers

被引：2

作者：

Thurmer, Clayton R. ^{[1
]}

Patel, Reena R. ^{[1
]}

Riveros, Guilermo A. ^{[1
]}

Alexander, Quincy G. ^{[1
]}

Ray, Jason D. ^{[1
]}

Netchaev, Anton ^{[1
]}

Brown, Richard D. ^{[1
]}

Leathers, Emily G. ^{[1
]}

Klein, Jordan D. ^{[1
]}

Hoover, Jan Jeffrey ^{[2
]}

机构：

[1] US Army, Engineer Res & Dev Ctr, Informat Technol Lab, 3909 Halls Ferry Rd, Vicksburg, MS 39180 USA

[2] US Army, Engineer Res & Dev Ctr, Environm Lab, 3909 Halls Ferry Rd, Vicksburg, MS 39180 USA

来源：

BIOSENSORS-BASEL | 2020年 / 10卷 / 04期

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; STURGEON SCAPHIRHYNCHUS;

D O I：

10.3390/bios10040037

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

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.

引用

页数：16

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