Biosonar is one of the most capable active senses found in nature and in engineering. It enables certain bat species, such as the horseshoe bats (family Rhinolophidae) and the Old World leaf-nosed bats (family Hipposideridae) to navigate and pursue prey in dense natural environments. Bats from these families also stand out for the dynamics of their biosonar systems that is evident in shape-changing baffles that diffract the ultrasonic wave packets on emission as well as on reception. Some of the acoustic effects predicted for the dynamics in bats have been reproduced qualitatively with a simple biomimetic sonar head. Experimentation with this biomimetic system shows that the dynamic baffles are capable of creating time-variant signatures that could be employed to enhance the encoding of sensory information. Such time-variant sensing paradigms may not be unique to biosonar but may also play a role in the control of the bat’s time-variant flight.
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ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
July 26–31, 2015
Seoul, South Korea
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5721-2
PROCEEDINGS PAPER
Bioinspired Dynamic Sensing of Acoustic Waves
Rolf Müller,
Rolf Müller
Virginia Tech, Blacksburg, VA
Shandong University - Virginia Tech International Laboratory, Jinan, Shandong, China
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Philip Caspers,
Philip Caspers
Virginia Tech, Blacksburg, VA
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Anupam K. Gupta
Anupam K. Gupta
Virginia Tech, Blacksburg, VA
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Rolf Müller
Virginia Tech, Blacksburg, VA
Shandong University - Virginia Tech International Laboratory, Jinan, Shandong, China
Philip Caspers
Virginia Tech, Blacksburg, VA
Yanqing Fu
Virginia Tech, Blacksburg, VA
Anupam K. Gupta
Virginia Tech, Blacksburg, VA
Paper No:
AJKFluids2015-4680, V001T04A002; 5 pages
Published Online:
November 20, 2015
Citation
Müller, R, Caspers, P, Fu, Y, & Gupta, AK. "Bioinspired Dynamic Sensing of Acoustic Waves." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1: Symposia. Seoul, South Korea. July 26–31, 2015. V001T04A002. ASME. https://doi.org/10.1115/AJKFluids2015-4680
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