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Technology Factsheet

Husqvarna DXR-series demolition robots

Category: Robotics > Decontamination > Wheeled/Tracked System
Reference # : Model No :

Range of remote-operated backhoe-style tracked vehicles with a variety of attachments for demolition and similar heavy-duty applications.

Size:Very Large (>100kg/200lb, >120cm/48in)
TRL:Operational (9)
TRL2:Operational (9)
Tether: *
Waterproof: *
Payload: *
Reach: *
Manipulator: *




Operational Experience: Fukushima Update. On 9 June 2014, a modified Husqvarna DX-140 from Sweden weighing almost one tonne was introduced to aid decontamination.

The robot has been modified by Toshiba to include 12 cameras and a radiation dose meter as well as two attachments for its single arm: a chemical mop and a suction nozzle. Under remote control it will maneuvre on tracks, stabilize itself with four extending legs, and use its arm to clean areas of the walls 1.8-5.0 metres above the ground. Over a period of about six weeks it will clean walls, including ducts and cable trays as well as control panels and the surfaces of equipment.

The robots are deployed unit 2's first floor as this is the location of the containment vessel hatch that Tepco needs to inspect. This will require another remote-controlled operation, but access by workers is needed to open the hatch and set up equipment. Ultimately Tepco needs to find the status of the reactor core and develop a plan to remove its remains.



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