NDLI: Bioinspiration From Biodiversity in Sensor Design

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Mu¨ller, Rolf Ma, Jianguo Yan, Zhen Grimm, Cindy Mio, Washington
Copyright Year	2011
Abstract	Biodiversity is a notable outcome of biological evolution. In the process of adaptive radiation, functional principles of sensing in biology have been adapted to suit different tasks and constraints. The biosonar system of bats is an example of such an adaptive radiation in sensing that also offers particularly advantageous conditions for a biodiversity-level analysis of adaptation principles with potential engineering relevance. The beam-forming capabilities of bat biosonar are tied to the geometries of external baffle structures, i.e., the outer ears used for reception and the noseleaves used to shape the emitted biosonar pulses. Since the geometries of these baffles determine their functions, which in turn can also be expressed by a shape (the beampattern), biosonar beamforming can be described by two interrelated shape spaces, one for biological form and the other for biological function. A shape space representation for the outer ears can be obtained by a cylindrical transform of the ear surfaces followed by principal component analysis. The results of this analysis are in a form that is suitable to inform the design of technical baffle shapes. However, additional analysis methods need to be developed for noseleaves, beampatterns, as well as the link between form and function.
Starting Page	825
Ending Page	834
Page Count	10
File Format	PDF
ISBN	9780791854884
DOI	10.1115/IMECE2011-64487
Volume Number	Volume 2: Biomedical and Biotechnology Engineering; Nanoengineering for Medicine and Biology
Conference Proceedings	ASME 2011 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2011-11-11
Publisher Place	Denver, Colorado, USA
Access Restriction	Subscribed
Subject Keyword	Design Space Biomimetics Radiation (physics) Ear Biology Sensors Shapes Performance Principal component analysis
Content Type	Text
Resource Type	Article

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