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Robo – whiskers yang  meniru binatang menjelajahi lingkungan mereka

Date:

August 4, 2015

Source:

Institute of Physics

Summary:

Banyak mamalia  , bergantung pada kumis mereka untuk merasakan jalan melalui lingkungan gelap . Terinspirasi oleh hewan-hewan ini , para ilmuwan telah mengembangkan sebuah robot ' kumis ' taktil berbagai sensor yang dirancang untuk menghasilkan gambar tomografi dengan mengukur aliran fluida .

................ " Ketika  gelap , kumis memainkan peran kunci untuk hewan dalam mengeksplorasi , berburu atau bahkan  hidup di bawah tanah, " jelas Cagdas Tuna , penulis utama  . " Misalnya , seals dapat menangkap ikan dalam gelap dengan mengikuti bangun hidrodinamik menggunakan kumis mereka . ".....more

Robo-whiskers
mimic animals exploring their surroundings

Date:

August 4, 2015

Source:

Institute of Physics

Summary:

Many mammals, including seals and rats, rely on their whiskers to sense
their way through dark environments. Inspired by these animals, scientists have
developed a robotic 'whisker' tactile sensor array designed to produce
tomographic images by measuring fluid flow.

..............

Many mammals, including seals and rats, rely on their whiskers to sense
their way through dark environments. Inspired by these animals, scientists
working at the University of Illinois at Urbana-Champaign and Illinois'
Advanced Digital Sciences Centre in Singapore have developed a robotic
'whisker' tactile sensor array designed to produce tomographic images by measuring
fluid flow.

The results are published today (Wednesday 05 August) in the journal Bioinspiration
and Biomimetics.

"When it is dark, whiskers play a key role for animals in exploring,
hunting or even just living underground," explains Cagdas Tuna, a lead
author on the paper. "For example, seals can catch fish in the dark by
following the hydrodynamic wake using their whiskers."

The whisker array is constructed of five super-elastic Nitinol wires,
covered with plastic straws, resulting in each whisker being about 15 cm long
and 3 mm wide. Strain gauges attached at the base measure movement in each
whisker, and these signals are used to build up an image of the fluid flow past
the array.

"There's no proof that animals do a similar 'tomographic reconstruction'
in their brains," continues Tuna. "But this shows great potential to
be a useful, if unconventional, sensing system."

The whisker array offers a strong alternative or complement to existing
systems for navigating, tracking or detection in dark conditions. Future
efforts to improve the imaging model to consider object content and miniaturise
the system may lead to even wider uses.

"This may even find use in biomedical applications, such as cardiac
surgery" concludes Tuna. "A thin-whiskered catheter tip could be used
during surgery to track the relative position inside the heart, potentially
reducing the risk of injury, or atrial fibrillation."







Story Source:

The above post is reprinted from materials provided byInstitute
of Physics. Note: Materials may be edited for content and length.







Journal Reference:

1.   
Cagdas Tuna, Douglas L Jones, Farzad Kamalabadi.Tactile soft-sparse mean
fluid-flow imaging with a robotic whisker array. Bioinspiration
& Biomimetics, 2015; 10 (4): 046018 DOI: 10.1088/1748-3190/10/4/046018

http://www.sciencedaily.com/releases/2015/08/150804202652.htm

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