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Iwafune Lab
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A lab that clarifies what kinds of energy systems have a low environmental burden and explores how to make them a reality.
AboutAbout the lab
Exploring social systems with a low environmental burden
The Iwafune Lab studies which kinds of systems have a low environmental burden (in terms of energy consumption and carbon dioxide emissions) and how to put them into practice.
The lab poses a problem related to energy, investigates and organizes the current situation, solves the problem using methods such as systems engineering, and analyzes the results.
Because many conditions must be considered, including cost-effectiveness, resource availability, and people's preferences, the lab conducts interdisciplinary research that combines engineering with social sciences such as economics.
The lab is recruiting graduate students and accepts requests for lab visits and consultations about graduate school entrance exams at any time.
Key terms
- Renewable energy
- Energy that can be obtained repeatedly from natural sources such as solar and wind power. The output of some types varies with the weather.
- HEMS
- A home energy management system that manages household electricity use and controls appliances and other devices to adjust electricity demand.
- Demand response
- Adjusting how much electricity is used, and when, on the consumer side to match electricity supply and demand. Also abbreviated as DR.
NewsLab news
CO2 emission intensity of electricity by area and time of day released
NEDO announces the start of a field demonstration of a system for easing congestion in the power grid
ResearchResearch themes
The lab clarifies what kinds of systems have a low environmental burden and explores how to realize them. Taking into account constraints such as cost-effectiveness, resource availability, and future uncertainty, it conducts research at the interface with the social sciences.
*Illustrative imageHEMS that consumers will accept
To enable large-scale adoption of renewable energy, the lab aims to develop home energy management systems (HEMS) that can adjust electricity demand as needed while maintaining residents' comfort and convenience.
*Illustrative imageDemand response
Because solar and wind power output varies with the weather and the time of day, adjustment on the demand side is necessary. The lab builds tools for evaluating demand response and assesses its impact on the power grid as a whole and its economic viability for electricity consumers.
*Illustrative imageEnergy use in elderly households
Elderly households tend to use a lot of energy, yet in reality it is hard to expect energy savings through endurance or personal effort. The lab collects data such as smart meter data to understand actual conditions and considers countermeasures.
MembersFaculty
The Iwafune Lab consists of faculty members, lab members, and external researchers (research advisors and research fellows).
- ProfessorYumiko Iwafune
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Electric transmission power tower2” Foto3821 / CC0 (cropped)
- HEMS that consumers will accept: “Rooftop solar panels in Caldicot - geograph.org.uk - 6388281” Jaggery / CC BY-SA 2.0 (cropped)
- Demand response: “Nunobiki wind farm” contri from Yonezawa Yamagata, Japan / CC BY-SA 2.0 (cropped)
- Energy use in elderly households: “Kos-Kos city-Electricity meter-01ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Related lab (Mae Lab): “Private House with Solar Roof panels. - geograph.org.uk - 627270” Colm O hAonghusa / CC BY-SA 2.0 (cropped)
- Related lab (Akashi Lab): “Tokyo Station Marunouchi Building P5228787” Kestrel / CC BY-SA 4.0 (cropped)
- Related lab (Ooka-Kikumoto Lab): “Komaba Research Campus (Evening) color” Guwashi / CC BY 2.0 (cropped)
- Related lab (Sakuma Lab (Environmental Acoustics Lab)): “Anechoic chamber DTU” Arnaud Dessein / CC BY-SA 3.0 (cropped)
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