Crabster CR200, huge six-legged underwater robot, Korean Institute of Ocean Science and Technology (KIOST)

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Manufacturer - Korean Institute of Ocean Science and Technology
(KIOST) and Korea Research Institute Ship and Ocean engineering - KRISO

Bong Huan Jun

youtube.com/@bonghuanjun9685

 

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Article "Huge Six-Legged Robot Crabster Goes Swimming"

by Jason Falconer
July 30, 2013

 

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Crabster CR200 Posture Control (KIOST)

Published on Apr 18, 2013

Our dream is coming true!

 

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Crabster CR200 1st underwater test at SSRI (KIOST)

Published on Jul 19, 2013

24 June to 10 July 2013 at SSRI.
Conducted by KIOST.
Supported by Ministry of Oceans and Fisheries Korea.

 

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Crabster CR200 Discovery Channel Daily Planet Crabster 05 15 2013

Published on Oct 6, 2013

 

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Crabster CR200 onland walking without skin

Published on Mar 15, 2014

Crabster CR200 continuous walking on land, carefully and carefully step by step!!

 

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Crabster CR200 on-land walking with full fabrication

Published on Apr 1, 2014

Crabstrer CR200 on-land walking with full fabrication before dive into the Ocean Engineering Basin of KRISO, KIOST.
Pentapody, tetrapod, discrete and continuous(wave) gait walking.

This work was funded by Ministry of Oceans and Fisheries (MOF) of R. of Korea

 

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Crabster CR200 manipulation mode with full fabrication(KRISO)

Published on Apr 4, 2014

CR200 has two arms in its forward legs. For underwater manipulation, CR200 supports its body with four legs and deploy its two arms, and push its tool-sled. In this video, the forward arms' motion are replayed 4 times faster than original video.
This work was conducted in Korea Research Institute of Ships & Ocean Engineering (KRISO) by funding of Ministry of Oceans and Fisheries (MOF)

 

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Crabster CR200 underwater walking in Ocean Engineering Basin of KRISO

Published on Apr 5, 2014

Crabby (Crabster CR200) weighs nearly 700kg with all equipment in air. It is too heavy to walk with tripod gait. So Crabby walks with pentapody or tetrapod gait in air. However, Since Crabby weighs about 200kg in water, it can walk more easily in water. Crabby walks with tripod gait which is fastest static gait of six-legged robot.

This work was conducted by KRISO with funding from MOF Korea.

 

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Article "Meet Crabster, the robotic CRAB that could revolutionise underwater exploration and reveal an almost entirely unknown world"

The Korea Institute of Ocean Science and Technology will test the robot in the Yellow Sea where Crabster will help archaeologists explore shipwrecks
The 1,400lbs (635kg) robot is designed to scuttle along the sea floor like a real crustacean and can endure strong underwater currents
Engineers have fitted the mechanical crab with 11 cameras so it can be used in exploration projects and fixing pipelines

by Sarah Griffiths
March 27, 2014

 

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CRABSTER CR200 was deployed in SEWOL ferry disaster site

Published on May 25, 2014

Crabster CR200 under development in KRISO with funding of
MOF was deployed to assist rescue operation of Sewol disaster
from 21 April to 20 May.

During the initial survey, Crabster surveyed Sewol ferry from a
distance of 70 meters using its acoustic equipment. And then
Crabster surveyed seafloor 500 meters away from Sewol ferry.

Crabster launched 13 times, and spent 15 hours 36 minutes in
water and 11 hours 21 minutes on seafloor during its 30-day
stay in Jindo.

 

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Crabster CR200: New Record of Underwater Walking Speed - 0.5 knots

Published on Mar 25, 2015

 

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Crabster CR200: Automatic way point tracking with fixed heading (crab gait)

Published on Mar 26, 2015

 

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Crabster CR200: Waypoints and heading tracking

Published on Mar 26, 2015

 

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Crabster CR200: Target Locked Crab Gait

Published on Mar 28, 2015

 

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Crabster CR200: First forward movement flapping

Published on Apr 4, 2015

 

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Crabster CR200: fapping and paddling

Published on Apr 5, 2015

The thrust force is function of amplitude, frequency and phase difference of the periodic motions.

 

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Crabster CR200 Six legs flapping

Published on Apr 8, 2015

First flying by six-leg flapping.
Forward speed is about 0.7knots (0.35m/s)

 

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Crabster CR200 six legs butterfly flapping

Published on Apr 16, 2015

April 1st 2015, Ocean Engineering Basin of KRISO

 

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Crabster CR200 : Underwater manipulation

Published on May 8, 2015