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NO.375 02.19.2018

Professor Geon-young Yoon, Named among 'Top 100 Technology Leaders of Korea'

He has liked buildings since he was young. Looking into a building so often, he was able to see a person living in it.


It was only natural for him to think about creating a building for the human being. After entering college, he came to the realization that earth and environment must be protected to sustain continued existence of humanity. The main character of this story is Geun-young Yoon, a professor of architecture engineering. His research, which he had developed from his childhood, recently came under spotlight, as it became one of the 'Top 100 Technologies to Lead South Korea in 2025' chosen by the National Academy of Engineering Korea last year. Professor Yoon has been named in the field of the urban heat island (UHI) reduction technology in the area of construction and transportation for a sustainable society.


Combination of a conventional heat storage technology with IoT (Internet of Things) and deep learning
"Fortunately a social consensus is emerging that architecture plays a very important role in preserving the global environment," said Professor Yoon. "Doing researches that are not myopically confined to structure but are broadly relevant our lives and the global environment seem to have earned a positive evaluation from my peers,” he commented.


The technology of 'building a heat storage system and development of an optimal operating algorithm based on IoT,' which was selected as a future technology this time, combines deep learning and IoT, both of which are core elements of Industry 4.0, with ‘heat storage,’ a conventional technology. This technology utilizes Phase Change Material (PCM) to build an active heat storage system, effectively reducing the heating and cooling load of the building at the same time, using IoT to monitor the thermal motion of the building in real time. Additionally, it incorporates deep learning-based control algorithm that optimizes the energy and comfort performance of the building.



Enhancing creature comfort while reducing energy footprint
The PCM heat storage system utilizes a phase change phenomenon with temperature change to store latent heat which is absorbed or released during state changes between gas and liquid or between liquid and solid without causing temperature change. Therefore, it is possible to store and discharge much more energy than a conventional heat storage system.


This technology also promises to significantly increase energy efficiency by controlling the heat storage and heat dissipation of buildings with PCM using IoT and deep learning. Professor Yoon explains, "The technology can be used to make people feel comfortable in a building by using a deep-learning-based optimization algorithm, and to reduce energy consumption in heating and cooling."


Professor Yoon concluded, "In the future, we will develop technology to manage energy use of general-purpose buildings and reduce the UHI effect based on deep learning, and carry out research to propose the application standards of construction industry in Industry 4.0. We will also carry out various studies to apply solar energy and ESS (Energy Storage System) of new energy field to buildings in order to create a zero-energy building.”

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