Hitachi Review

Case Study of Converting Operating History Data to Values

Utilization of AI in the Water Sector

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Global demand for water has been increasing as urban economic activity expands. A significant amount of energy is required to obtain clear water, and the reduction of this energy requirement is a major concern for water utilities. Since the qualities of raw water vary greatly in water processing systems, such systems are constructed out of combinations of multiple unit processes designed to handle each of these qualities. For this reason, there are many cases where explicit models based on physical and chemical phenomena are not sufficient for implementing appropriate operation and control, and so expectations have grown for the utilization of implicit knowledge that is inherent in the operating history data. Hitachi is deploying its Hitachi AI Technology/H technology to social infrastructure, and will continue contributing to water supplies that are both safe and reliable by proactively applying the system to water treatment systems.

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ABOUT THE AUTHORS

Ichiro Embutsu, Dr. Eng.

Process Engineering Research Department, Center for Technology Innovation – Materials, Research & Development Group, Hitachi, Ltd. He is currently engaged in the research and development of water treatment and control systems for water supply and sewage. Dr. Embutsu is a member of The Society of Environmental Instrumentation Control and Automation (EICA), the Japan Society on Water Environment (JSWE), and The Institute of Electrical Engineers of Japan (IEEJ).

Koji Kageyama, Dr. Eng.

Process Engineering Research Department, Center for Technology Innovation – Materials, Research & Development Group, Hitachi, Ltd. He is currently engaged in the research and development of water treatment and control systems for water supply and sewage. Dr. Kageyama is a member of EICA.

Satomi Tsuji

Global Center for Social Innovation – Tokyo, Research & Development Group, Hitachi Ltd. She is currently engaged in research into the use of human big data for organizational management. Ms. Tsuji is a member of the Society of Project Management (SPM).

Norihiko Moriwaki, Ph. D.

Intelligent Information Research Department, Center for Technology Innovation – Systems Engineering, Research & Development Group, Hitachi, Ltd. He is currently engaged in the research and development of human information systems and artificial intelligence. Dr. Moriwaki is a member of The Institute of Electronics, Information and Communication Engineers (IEICE), The Japan Society for Management Information (JASMIN), and the Association for Information Systems (AIS).

Yukiko Ichige

Business Development Department, Global Water Solutions Division, Water Business Unit, Hitachi, Ltd. She is currently engaged in business development and task management of water solutions for the global market. Ms. Ichige is a member of The Robotics Society of Japan (RSJ).

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