Daisuke Kuroiwa

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Tokyo Bay, a eutrophic bay in Japan, receives nutrients from wastewater plants and other urban diffuse sources via river input. A transect was conducted along a line from the Arakawa River into Tokyo Bay to investigate the ecological relationship between the river outflow and the distribution, abundance and population structure of ammonia-oxidizing bacteria(More)
One of the main problems faced by land-based mobile robots is their locomotion performance on rough outdoor terrain. We focused on the navigation of grassy areas such as riversides and forests. These have many types of obstacles, which make robot locomotion difficult. Several studies have been conducted on locomotive mechanisms for rough terrains that have(More)
Environment recognition is an effective way for a mobile robot to move across rough terrain. In particular, this makes it possible to prevent a tiny mobile robot from getting stuck or turning over. Several studies have been conducted on environment recognition using a laser range finder or camera. However, almost all of these studies focused on obstacle(More)
We are designing an unmanned ground vehicle (UGV) for use in a large-scale and long-term environmental monitoring system. Existing high-performance UGVs cannot cope with unexpected events because their design concept, like that of almost all previous mobile robots, is based on the development of a single high-performance robot capable of performing every(More)
Many complicated software packages make the operation difficult for end users. To acquire the skills for software operation, supporting end users to learn operating methods by themselves is effective. When in learning operating methods, it is important for end users to check the overview of the operating methods and their current step in the sequence of(More)
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