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Proceedings Paper

A predictive model for biomimetic plate type broadband frequency sensor
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Paper Abstract

In this work, predictive model for a bio-inspired broadband frequency sensor is developed. Broadband frequency sensing is essential in many domains of science and technology. One great example of such sensor is human cochlea, where it senses a frequency band of 20 Hz to 20 KHz. Developing broadband sensor adopting the physics of human cochlea has found tremendous interest in recent years. Although few experimental studies have been reported, a true predictive model to design such sensors is missing. A predictive model is utmost necessary for accurate design of selective broadband sensors that are capable of sensing very selective band of frequencies. Hence, in this study, we proposed a novel predictive model for the cochlea-inspired broadband sensor, aiming to select the frequency band and model parameters predictively. Tapered plate geometry is considered mimicking the real shape of the basilar membrane in the human cochlea. The predictive model is intended to develop flexible enough that can be employed in a wide variety of scientific domains. To do that, the predictive model is developed in such a way that, it can not only handle homogeneous but also any functionally graded model parameters. Additionally, the predictive model is capable of managing various types of boundary conditions. It has been found that, using the homogeneous model parameters, it is possible to sense a specific frequency band from a specific portion (B) of the model length (L). It is also possible to alter the attributes of ‘B’ using functionally graded model parameters, which confirms the predictive frequency selection ability of the developed model.

Paper Details

Date Published: 22 April 2016
PDF: 8 pages
Proc. SPIE 9797, Bioinspiration, Biomimetics, and Bioreplication 2016, 97970T (22 April 2016); doi: 10.1117/12.2218734
Show Author Affiliations
Riaz U. Ahmed, Khulna Univ. of Engineering and Technology (Bangladesh)
Sourav Banerjee, Univ. of South Carolina (United States)


Published in SPIE Proceedings Vol. 9797:
Bioinspiration, Biomimetics, and Bioreplication 2016
Raúl J. Martín-Palma; Akhlesh Lakhtakia; Mato Knez, Editor(s)

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