Takeyoshi Nagai¹, Tomoki Ueda², Yuki Ikeda³, Diego Andre Otero³, Gloria Silvana Duran Gomez¹ and Itsuka Yabe¹, (1)Tokyo University of Marine Science and Technology, Tokyo, Japan, (2)MODEC, Inc. Japan, Engineering, Tokyo, Japan, (3)Tokyo University of Marine Science and Technology, Ocean Sciences, Tokyo, Japan