Yechan Lee

Yechan Lee

Master's Student at KAIST
Graduate Research Assistant at ACSS
Reinforcement Learning Generative Models Robotics
About

I am a master’s student at KAIST. I am currently a member of the Autonomous Control for Stochastic Systems (ACCS) Lab advised by SooJean Han. My research interests are reinforcement learning robotics and generative models.

Publications

Balanced DAgger: Safe Online Imitation Learning for Robot Manipulation with Direction Balanced RND and Conformal Prediction
Hyewon Choi, Minseok Jeong, Sanghun Park, Jeongyong Yang, Kwangbin Lee, Yechan Lee, SooJean Han, Minsu Jang, Taewoo Kim
2026 KSCI Winter Conference 2026
CFG-EC: Error Correction Classifier-Free Guidance
Nakkyu Yang, Yechan Lee, SooJean Han
arXiv 2025

Projects

Efficient DAgger for Failure Driven Robot Learning
Modified RND (Random Network Distillation) to reduce overgeneralization and integrated it with DAgger for failure prediction and human guided policy improvement in collaboration with ETRI.
2025.06 - 2025.12 GITHUB
#IsaacSim #DAgger #Robot_Manipulator
Additional Projects
Robot Pet for Elderly and Disabled Assistance
Built a Spot Micro based quadruped robot pet that provides walking support and voice interaction through fine tuned AI.
2023.11 - 2023.12 GITHUB
#Micro_Spot #Quadruped_Robot #Fine_Tuned_Chatbot
Power Tool Safety Module
Developing a safety module to be installed on power tools. It detects the user's safety status and stops the system in dangerous situations to ensure safety.
2022.09 - 2022.11 GITHUB
#Power_Tool #Hazard_Detection #Embedded_Module
Experience

Instructor

KAIST IT Academy
2025.03 - Present
Detailed Lecture History
DateVenueTopic
2026.01.31 - 2026.02.01KAIST SW Education CenterVibe Coding for Deep Learning (18h)
2025.11.13Jungbu Regional Tax OfficeIntroduction to Generative AI (2h)
2025.11.06Daejeon Regional Tax OfficeIntroduction to Generative AI (2h)
2025.07.25Career Exploration Camp in Software Engineering for High School StudentsThe generative AI era: What should we know? (2h)
2025.07.05 - 2025.07.06KAIST SW Education CenterIntroduction to Deep Learning with PyTorch (18h)
2025.05 - 2025.09Seocho AI CollegePython/Pandas Fundamentals (20h), Deep Learning Review(5h), Final Project Mentor

Military Service

Republic of Korea Airforce
2020 - 2021

Awards & Honors

2024

Talent Award of Korea

Recognized for outstanding academic and leadership potential.

2023 - 2024

Kwanjeong Lee Jong-Hwan Educational Foundation Scholarship

Selected as a scholarship recipient with $8,000/year funding.

Additional Awards & Honors
2024

22nd Gwangju Share Leader

Awarded by the Community Chest of Korea.

2023

Defy Conference Pitch Competition

Ignite & Innovative Award.

2023

Oasis Hackathon

Merit Award for developing innovative technical solutions.

2023

Rookie Startup Camp

Chairman’s Award from the Korea Angel Investment Association.

2022

Korea Maker Star

3rd place with a $3,500 prize.

Education

KAIST

M.S. in Electrical Engineering (Advisor: SooJean Han)
2025.02 - Present

Chonnam National University

B.S. in Electronic Engineering
2019.03 - 2025.02 (Military Service: 2020 - 2021)