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Zhang Lab
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A lab that studies lubrication in nanoscale gaps and wearable sensors.
AboutAbout the lab
Developing novel materials and devices with information technology and nanotechnology
The Zhang Lab studies tribological phenomena that occur on the surfaces of machines in relative motion, as well as wearable devices that measure health conditions.
Using information technology and nanotechnology, the lab elucidates previously unknown phenomena and, based on that knowledge, works on developing novel materials and devices.
Its goals are machines that use less energy and last longer, and next-generation healthcare in which anyone can monitor cardiovascular and respiratory function.
The lab belongs to the Complex Systems Computation Division of the Department of Complex Systems Science, and pursues its research through both simulation and experiments.
Key terms
- Tribology
- The science and technology of the interaction between surfaces in relative motion. The word derives from Greek words meaning "to rub" and "study"
- Molecular dynamics
- A simulation method that uses computers to follow the motion of atoms and molecules
- Organic friction modifiers
- Molecules added to lubricating oil to reduce friction and wear. The lab studies the relationship between molecular structure and effect
NewsLab news
A new respiratory monitoring technique analyzes the dynamics of respiratory airflow stage by stage
A student's paper has been accepted
A student presented research at IIP2026 of the Japan Society of Mechanical Engineers and received an award
Research results on how nanoscale confinement affects liquid viscosity
ResearchResearch themes
Aiming for machines that are more energy-efficient and longer-lasting, and for making people's daily health status visible, the lab pursues research through both simulation and experiments. Its two pillars are establishing lubrication technology that works through gaps on the nanometer order and developing wearable sensors and devices.
*Illustrative imageLubrication Phenomena from the Nano to Micro Scale
The lab develops simulations ranging from molecular dynamics to continuum theory together with high-precision measurement, and investigates adsorption, flow, and chemical reactions at solid-liquid interfaces through both computation and experiments. Recently it has focused on establishing molecular design guidelines for organic friction modifiers (OFMs), which are added to lubricating oils.
*Illustrative imageA Device for Exploring the Relationship Between Pulse and Blood Pressure
Pulse is measured with an IoT device, and the data are fed into a deep learning model to analyze the correlation between pulse and blood pressure. The lab is building a sensing device for pressure pulse waves and constructing a blood pressure measurement model.
MembersFaculty
The lab's members consist of faculty and staff, secretaries, collaborators, and students in the doctoral program, the master's program, and the undergraduate program.As of 2026
- ProfessorHedong Zhang
- Project Assistant ProfessorJohannes L. Hörmann
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: “Max Health Band” Peterhcharlton / CC BY 4.0 (cropped)
- Lubrication Phenomena from the Nano to Micro Scale: “Visual Molecular Dynamics visualization” Toughpkh / Public domain (cropped)
- A Device for Exploring the Relationship Between Pulse and Blood Pressure: “SmartCare wrist-worn pulse oximeter” Peter H Charlton / CC BY 4.0 (cropped)
- Related lab (Song Lab): “Experiment Performed at the ERCs Space Optics Laboratory - GPN” NASA/ERC / Public domain (cropped)
- Related lab (Matsuda Lab): “Grangemouth Chemical Plant - geograph.org.uk - 5621703” Graeme Yuill / CC BY-SA 2.0 (cropped)
- Related lab (Suzuki (Yasuhiro) Lab): “Tracer speaker and subwoofer” User:Piotrus / CC BY-SA 3.0 (cropped)
- Related lab (Nagamine Lab): “Satellite image of Czech Republic in September 2003” 作者不詳 / Public domain (cropped)
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