Smart Mechatronics Lab.

Research Interests of the GUNHEE LEE Group @PNU

Publication Metrics: 4 Nature Communications, 1 Science Advances, 2 Advanced Materials, 1 Materials Today, 2 ACS Nano, 1 Advanced Functional Materials...etc

Human-Robot interfaces / soft robotics

We develop human-robot interfaces that enable seamless interaction between humans and machines by integrating sensors for motion tracking and soft robotics for adaptable movement. Our research focuses on designing high-sensitivity wearable sensors that precisely capture human motion, enhancing robotic control and feedback. We also explore soft robotic structures that mimic biological flexibility, improving safety and adaptability in human-robot interactions. These innovations contribute to assistive robotics, rehabilitation devices, and industrial automation.

Bioelectronic interfaces

We investigate bioelectronic interfaces using soft or stiffness-tunable materials to enhance long-term stability and adaptability in biological-electronic integration. Our research focuses on developing soft tissue-like electrodes and smart materials that dynamically adjust stiffness, improving electrode-tissue interactions and minimizing immune responses. These materials enable more durable and biocompatible wearable interfaces, brain-machine interfaces, and biomedical implants. By advancing adaptive bioelectronic systems, we aim to improve human augmentation and medical technologies.

Packaging: Thermal interfaces

We develop heat sink technologies to improve thermal management in robotic systems and AI chips, ensuring stable performance and efficiency. In robotics, effective cooling is essential for embedded processors and power electronics, where overheating can reduce lifespan and mobility. We explore lightweight, high-performance cooling solutions to enhance energy efficiency. For AI chips, advanced thermal regulation is crucial to prevent computational slowdowns and failures in high-density processing. We investigate 3D-structured heat sinks, liquid cooling, and novel thermal interface materials to maximize heat dissipation and system longevity. By optimizing heat sink designs, we enable high-performance and energy-efficient robotic and AI-driven applications.

Media

· Interview on the stretchable conductive fiber (Korean), HelloDD

· Articles on the photo-patternable stretchable circuit (English), Materials Today

· Interview on the electronic tattoo (English), REUTERS

· Interview on the electronic tattoo (English), Inside Edition

· Interview on the electronic tattoo (Korean), YTN

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