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Yamasaki Lab
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The lab works on controlling power and energy, from engine combustion to flying cars.
AboutAbout the lab
Combustion, control, and optimization of vehicles and energy
The Yamasaki-Nagai Lab studies combustion, control, and optimization in automotive powertrains and distributed energy systems.
The lab also works on control that suppresses the vibration of electric vehicles to improve ride comfort, as well as control of drones and flying cars.
By applying AI techniques to complex phenomena and systems, the lab aims to build systems that also take each driver's individual characteristics into account.
The lab is also active in joint research with automakers, industry associations, and gas companies.
Key terms
- Powertrain
- The set of devices, such as the engine and motor, that generate the force that moves a car and transmit it to the wheels
- e-fuel
- A liquid fuel synthesized from carbon dioxide and hydrogen
- Ion current
- The current that flows when a voltage is applied to the ions formed in a flame. It provides a clue to how the fuel is burning
NewsLab news
A paper by Prof. Yamasaki and colleagues was published in Transactions of the Society of Instrument and Control Engineers
Prof. Yamasaki received the Japan Society of Mechanical Engineers Award (Education)
A master's student received the Control Division Encouragement Award from the Society of Instrument and Control Engineers
A master's student was recognized with the AICE Award (Activity)
A paper by Prof. Yamasaki and colleagues was published in the International Journal of Automotive Engineering
ResearchResearch themes
The lab studies combustion technology, control, and optimization for automotive powertrains and distributed energy systems. It also works on control of electric mobility, drones, and flying cars and on the application of AI techniques, aiming to build systems that take into account the individual characteristics of people such as drivers.
*Illustrative imageEvaluating the value of e-fuels
The lab runs simulations that consider vehicle electrification and changes in the energy system together, and evaluates the value of e-fuels, liquid fuels made from carbon dioxide and hydrogen, in terms of CO2 emissions and cost.
*Illustrative imageEstimating drivers' emotions from driving data
In joint research with AICE, the lab measures brain waves and pulse waves during driving on a driving simulator and investigates the relationship between the emotions drivers feel and driving data. The goal is to connect this to improved fuel efficiency.
*Illustrative imageCapturing changes in combustion caused by different fuels
In joint research with AICE, the lab conducts experiments in which gas fuel is mixed into a gasoline engine and burned. It investigates methods that use sensors and ion current to detect how combustion changes when the fuel composition changes.
*Illustrative imageObserving combustion with ion current
To use ion current sensors, which measure the ions in a flame as an electric current, as combustion sensors, the lab investigates the relationship between ion current and fuel properties and combustion conditions through numerical calculation and experiments.
MembersFaculty
The members of the Yamasaki-Nagai Lab consist of faculty and doctoral, master's, and undergraduate students.As of 2026
- ProfessorYamasaki YudaiPublications ↗
- Associate ProfessorSakahisa NagaiPublications ↗
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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: “Close-up of an engine extracted from a car, with many disassembled parts ( )” Ivan Radic / CC BY 2.0 (cropped)
- Evaluating the value of e-fuels: “Pipes” Hermann Luyken / CC BY-SA 3.0 (cropped)
- Estimating drivers' emotions from driving data: “SIMUVEG” Ipareja / Public domain (cropped)
- Capturing changes in combustion caused by different fuels: “Brad Howell Smith in 2007” Revetec at English Wikipedia / Public domain (cropped)
- Observing combustion with ion current: “BUNSEN BURNER ( )” Jason Woodhead / CC BY 2.0 (cropped)
- Related lab (Shikazono Lab): “Solid oxide electrolyser cell 2x60cell stack” EERE / Public domain (cropped)
- Related lab (Thermofluid Engineering Lab): “Bunsen burner ( )” Jason Woodhead / CC BY 2.0 (cropped)
- Related lab (Micro/Nano Thermofluids Engineering Lab (Kinefuchi Lab)): “Macro view of water droplets on transparent surface” Dreamora96x / CC BY 4.0 (cropped)
- Related lab (Shiomi-Lee-Asano Lab): “Nutzung von Abwärme für weitere Technische Prozesse” Tlue04 / CC BY-SA 4.0 (cropped)
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