We are attempting to reproduce an ancient creatures living in water as educational robots .AFK R&D LTD.古生物をロボ化石で簡易再現。(社会貢献活動) イラスト提供3D協力よ志アナゴ(
@Yoshi_Gardeneel
)
When we testing the swimming Spinosaurus robot, dragonflies flew by and landed on the sail. What landed on the sail of the real Spinosaurus at the time?
We updated our Spinosaurus robot. Our robot started swimming smoothly. Special thank to many of you make us comment and information. Incl.
@japanfossil
After developing a robot learned from early ichthyosaurs (Chaohusaurus) fin parts were reassembled and converted to more advanced ichthyosaur. Attempt to predict the differences in swimming between the early ichthyosaurs and several evolved ichthyosaurs. For science education.
An unfamiliar crab was swimming.
見慣れないカニが泳いでいました。
Well-swimming crabs that lived in the Cretaceous period!
#Callichimaera
Robot
白亜紀の良く泳ぐカニ!#カリキマエラ ロボ化石
More information
#Robot
#ROBOKASEKI
By meeting certain physical conditions based on Spinosaurus skeletal information, it is possible to create a robot that can swim very well, so we are also focusing on research into how Spinosaurus swims.
"Robopterus" (inspired by the Palaeozoic predator Pterygotus
Test 2. Propulsion method
The robot is equipped with three different propulsion methods, which can be compared as shown below.
Online support of British sea scorpion researcher
@SimonBraddy
and information from
@ni075
"Robopterus" (inspired by the Palaeozoic predator Pterygotus
Test 1.
Our robot can turn by varying the difference in the flapping angle of its left and right swimming legs.
Online support of British sea scorpion researcher
@SimonBraddy
and information from
@ni075
We updated our Spinosaurus robot. Our robot started swimming smoothly. Special thank to many of you make us comment and information. Incl.
@japanfossil
We are trying to modify our Spinosaurus robot to convert to new updated reconstruction style. Because we believe it might swims better compare to previous reconstruction.
Based on the Field Museum sign board.
We have made some progress in our attempt to make a robot swim based on data on Megapterygius wakayamaensis, a new mosasaur species whose whole body skeleton was recently disclosed in Japan, and are improving its swimming performance while gradually understanding the swimming.
Robot Usamit! will be held on August 3rd in Usa City, Oita Prefecture, Kyushu Island, Japan.
We will have a workshop on our robots that have been studying from fossilized creatures.
If you are thinking of attending, please contact us.
The soft, long tail unit we are developing for our Diplocaulus robot is being tested on our robot of a marine reptile Eretmorhippis. Essentially, the Eretmorhippis robot is equipped with slightly shorter stiffer tail unit and provides more thrust, as inferred from fossil image.
Our Cephalaspis magnifica type robot try to swim at the bottom of water to eat .
Pectoral fins counter the water pressure and raise the robot a little from the bottom. This allows robots to swim without getting caught on the bottom.
Special thanks
@Yara_Haridy
for information
Differences in swimming between the sea scorpion Eurypterus and the radiodonta Amplectobelua. The sea scorpion robot is faster and consumes less power, but it is not very good at small turns.
Robots are same length, using the same motor battery but big difference.
We are currently developing new robot so that children can also operate Robopterus at this year's our science communication event. We are trying to develop it so that children can experience the act of predation. It is difficult to grab a floating target while swimming.
By our robot "Robopterus" (inspired by the Palaeozoic predator Pterygotus) , we are thinking about how it gets its propulsion. (Effective for propelling by flapping.)
Developed with the online support of British sea scorpion researcher
@SimonBraddy
and information from
@ni075
.
We are trying to modify our Spinosaurus robot to convert to new updated reconstruction style. Because we believe it might swims better compare to previous reconstruction.
Based on the Field Museum sign board.
The new Spinosaurus mount has an updated skeletal next to it. And it incorporates the new recently found neotype caudals (as well as a new cervical it seems).
A little spinosaurus walked in the pool for the first time, and after a while, it started to walk quite well.
スピノサウルスロボ化石、まずは水中歩行テストから。各部のクリアランスが、水圧で変化するので確認しています。水圧を利用した簡易水中歩行メカはまずますの動きで一安心。
Today's fish is the Slender Sunfish (Ranzania laevis), who kinda looks like the sportscar of the molas. Their side profile supposedly looks like a shark underwater, to ward off predators. Look at that adorable larvae!
📸Unknown, Guillaume Millet, Frank Baensch
Robopterus, a robot that learned from the sea scorpion, is incorporating the ability to move its scissors to examine predatory behavior. The structure can be reconfigured to accommodate several proposed reproductions of the Claw of sea scorpions.
@SimonBraddy
Spinosaurus neck control strategy
New and first neck control video comparison. Initially we try to use reverse movement of the neck to reduce vibration .
But It didn't work at that time. A new control strategy was needed to solve the problem.
We think new idea is much better.
Argh, I was just thinking about a giant fossil hermit crab I saw once and forgot to take a picture. Oh well, here's a fossil hermit crab in an ammonite from the Cretaceous of England
Large pool swimming test of our Eretmorhipis robot. We tested combinations of how to move the various fins using internal mechanisms to find the most effective way to swim. Now that we have a better understanding of how it swims, the next step is to make the exterior parts.
We're comparing amphibian-type underwater gliders. The deiplocaulus type has a yellow, more stable boomerang-shaped head compared to the red normal head shape?
Diplocaulus under water glider type model tests for our science communication workshops. We would like to make these models with kids . And let’s try several reproduction ideas with attendees.
"Robopterus" (inspired by the Palaeozoic predator Pterygotus
Test 1.
Our robot can turn by varying the difference in the flapping angle of its left and right swimming legs.
Online support of British sea scorpion researcher
@SimonBraddy
and information from
@ni075
良く泳ぎます実験成功
The robot learned from
#Callichimaera
perplexa swims very well even when magnified 20 times. It will be used for science communication events. We hope that many children like it and it will be an opportunity for them to realize the fun of scientific research.
Spinosaurus neck control strategy
New and first neck control video comparison. Initially we try to use reverse movement of the neck to reduce vibration .
But It didn't work at that time. A new control strategy was needed to solve the problem.
We think new idea is much better.
Spinosaurus underwater walking test. Our Spinosaurus robot walks on two legs with its hind legs while floating its body in water. It sometimes walks underwater with a good balance while occasionally becoming a tripod.
Comparing robots learned from sea scorpions with different swimming leg shapes. The sea scorpion is said to be paddle propelled and the sea scorpion is also said to be flapping propelled. The robot with flapping propulsion has a faster maximum speed.