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Report No.

Maintenance robot based on system integration design for fusion reactor

Kakudate, Satoshi; Takeda, Nobukazu; Aburadani, Atsushi; Shigematsu, Soichiro; Matsumoto, Yasuhiro*; Tsuji, Koichi*

Maintenance of the ITER blanket will be carried out in the vacuum vessel (VV) using remote handling equipment, including the in-vessel transporter (IVT) with vehicle type manipulators. An estimated 440 blanket modules, each with a maximum weight of 44.kN, will be installed in the VV. The $$gamma$$ ray dose rate is expected to be approximately 500 Gy/h during the periods of blanket maintenance. This paper describes the system integration of maintenance robot for ITER (International thermonuclear experimental reactor). This design items include design requirements, in-vessel transporter (maintenance robot) mechanism, installation mechanism and the rescue concept in case of failure mode.



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