Science Fiction Dictionary
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

 

Robotic Butterflies For Parks Near You?

A robotic butterfly created by Japanese researchers tests the idea that the flight of the swallowtail butterfly can be created with simple flapping, with no "feathering" needed for feedback control.


(Robotic butterfly video)

From the abstract of the paper Forward flight of swallowtail butterfly with simple flapping motion published this week by Hiroto Tanaka and Isao Shimoyama, with support from both Harvard University and the University of Tokyo:

Unlike other flying insects, the wing motion of swallowtail butterflies is basically limited to flapping because their fore wings partly overlap their hind wings, structurally restricting the feathering needed for active control of aerodynamic force. Hence, it can be hypothesized that the flight of swallowtail butterflies is realized with simple flapping, requiring little feedback control of the feathering angle. To verify this hypothesis, we fabricated an artificial butterfly mimicking the wing motion and wing shape of a swallowtail butterfly and analyzed its flights using images taken with a high-speed video camera. The results demonstrated that stable forward flight could be realized without active feathering or feedback control of the wing motion. During the flights, the artificial butterfly's body moved up and down passively in synchronization with the flapping, and the artificial butterfly followed an undulating flight trajectory like an actual swallowtail butterfly. Without feedback control of the wing motion, the body movement is directly affected by change of aerodynamic force due to the wing deformation; the degree of deformation was determined by the wing venation. Unlike a veinless wing, a mimic wing with veins generated a much higher lift coefficient during the flapping flight than in a steady flow due to the large body motion.

Science fiction writers have long thought about mechanical insects and their possible uses. For example, in his 1980 novel Changeling, Roger Zelazny writes about a mechanized park complete with artificial butterflies:

He patted a dusty synthetic tree and crossed the unliving turf past holograms of swaying flowers to seat himself upon an orange plastic bench... Artificial butterflies darted along invisible beams... Concealed aerosols released the odors of flowers at regular intervals.

One of the fake butterflies passed too near, faltered and fell to the ground.

Scroll down for more stories in the same category. (Story submitted 5/26/2010)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 0 )

Related News Stories - (" Robotics ")

LoadRunner Robot Works Alone, Or In A Group
'They marched in unison, seven of them...' - Isaac Asimov, 1944.

Mobot Robot Tests Smartphone Apps With Its Finger
'Rapidly, purposefully, the metallic fingers moved over the key-boards...' - Schachner and Zagat, 1931.

Robotic Surgeons Outperform Human Surgeons
'...the objects moving about so gently and putting their instruments away were not living beings, but robots.' - John Russell Fearn

In Your Orchard, Do You Want Buzzing Suction Drones, OR Dick's Claw Hand Drones?
'Something that gleamed, shiny metal, gleamed and clicked as it turned toward her.' - Philip K. Dick, 1960.

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

Science Fiction Timeline
1600-1899
1900-1939
1940's   1950's
1960's   1970's
1980's   1990's
2000's   2010's

Current News

The Far Side Of The Moon, By NASA (2015) And By PAUL (1932)
"We had leisure to make a thorough observation of the hidden side of earth's satellite."

LoadRunner Robot Works Alone, Or In A Group
'They marched in unison, seven of them...'

Sierra Space Inflatable LIFE Habitat Burst Pressure Test
'It was like being inside a balloon...'

Longest Immersed Tunnel Will Connect Denmark and Germany
'... iron tubes... the ends of the tubes were joined to each other...to preserve it from the action of the seawater.'

Alcohol-Sensing Cars - NTSB Catches Up With Philip K. Dick (1963)
'Mr. Garden, you are in no condition to drive....'

Solar-Powered Remote-Control Cockroaches!
'A cable, here, from the controller to the interface plug... wires from that to the brain.'

SolarBotanic Tree For Solar Energy - Would You Need A Forest, Or Just One?
'The slender stalks of a sunshade-photocell collector...'

Metaverse Hardware - Run And Flail Like A Maniac, Or Lie Quietly?
'Holodeck 4 was waiting to be programmed...'

Robot Food Delivery Coming To Campus Near You
'... he rewired the delivery robot so that it would serve him midnight snacks.'

Are Craiyon Images Puddinged, ala Philip K. Dick?
'I stood in line for half an hour for this, and it's just a blob!'

Hip'Safe Airbag For Seniors, From Helite
'Other airbags go off around her torso and pelvis...'

Soulaje Self-Administered Euthanasia Wearable Prototype
'A young man... advanced with nervous strides along the gravel path which leads to the bronze doors of the Lethal Chamber.'

Midjourney AI Creates 'Théâtre D'opéra Spatial', Wins Art Fair First Prize
'... we'll give him in his brain what he needs for creation.'

Mobot Robot Tests Smartphone Apps With Its Finger
'Rapidly, purposefully, the metallic fingers moved over the key-boards...'

Space-Based Solar Power A Priority - European Space Agency
'...vast man-made disk of metal set spinning about the sun to supply the Earth with power.'

Goldilocks Zones Found On The Moon
Hopefully, there are no Mynocks in shadowed lunar craters, chewing on the power cables of spacecraft...

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.