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Technology Factsheet

Fukushima Inspection Manipulator

Category: Robotics > Dismantling and Retrieval > Manipulator Arm
Reference # : Model No :

Long reach manipulator system to inspect the Primary Containment Vessel of Unit 2 at the Fukushima Daiichi Nuclear Power. The device consists of a telescoping carbon-fiber arm to reach down about 12 feet inside the contaminated area. The jointed arm has a manipulator at the end to move the crawler into position, where it can look for damage. The arm extends from and retracts back into a container about the size of refrigerator and must be made to withstand the rigors of the radioactive environment. The arm is equipped with radiation-shielded cameras and capable of lifting 100 pounds. It can also carry cutting tools -- either a set of heavy-duty shears or a high-pressure water jet that can cut steel.

Site:Fukushima
Industry:Nuclear
Size:Very Large (>100kg/200lb, >120cm/48in)
TRL:Operational (9)
TRL2:Operational (9)
Tether: *
Waterproof: *
Payload:20-50kg/40-100lb
Reach:>2400mm/96in
Manipulator: *

Benefits

Limitations

Comments

Status: final design complete. The device will consist of a telescoping carbon-fiber arm to reach down about 12 feet inside the contaminated area. The jointed arm will have a manipulator at the end to move the "very innovative crawler" into position, where it can look for damage. The arm extends from and retracts back into a container about the size of refrigerator, Rood said, and must be made to withstand the rigors of the radioactive environment.

Operational Experience: Apr 15 2014. Japense visited Kurion in Colorado to witness system before shipping. Source: US Robotics Technology at Fukushima

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