抄録
Recently, it is claimed that Earth environment is getting worse and worse all over the world and global heating also gives huge influence to the ocean. IPCC (Intergovernmental Panel on Climate Change) forecasts a decrease in shelf of coral, a change of ecosystem by the acidification of the ocean. Searching the ocean is very important but difficult thing because underwater is extreme environment for human beings. Underwater vehicles which take underwater operation for human being have been researched and developed by researchers worldwide. Because they have demands of the military industry, the oil industry, and so on. On the other hand, a Japanese market of underwater vehicles is smaller than European and American one. Then, we designed and developed an ROV (Remotely Operated Vehicle) for Japanese market, and evaluated low level controller of the ROV.
