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Projects

AI-Driven Ultrasound Monitoring for Real-Time Lithium-Ion Battery Health Diagnostics

Funder: Aerospace Institute for Engineering Research (AIER)  (09.2025-08.2027)

  • Digital twin model for lithium-ion batteries (LIBs) for AI-model construction​​

  • Ultrasound-guided LIB health monitoring

  • Nondestructive SOC/SOH estimation without electrical couplings

Time-Domain Signal-Based Fault Diagnosis Techniques in Multi-Layer Ceramic Capacitors (MLCCs)

Funder: Samsung Electro-Mechanics Co.Ltd (TBD soon)

  • MLCC electromechanical simulation model 

  • Transient analysis with potential damage scenarios

  • Piezoelectric signals in MLCC varying with micro defects 

  • Increase the salvageable rate of MLCC samples through innovative signal processing methods

Spatial Imaging of Safety Status in Rechargeable Battery
Based on Structural Acoustics

Funder: National Research Foundation of Korea (06.2023-02.2026)

  • Spatially resolved monitoring of Li-Ion battery​​

  • Laser ultrasound assisted noncontact wave generation and scanning

  • Status imaging resolving the battery status

Vibroacoustic Analysis for Eco-Friendly Plastics from Construction Waste (Soilastic)

Funder: State University of New York at Korea (SUNY Korea) (04.2025-04.2026)

  • Simulate and analyze floor impact noise transmission

  • Evaluate the acoustic performance of eco-friendly plastic layers derived from construction waste

  • Demonstration of the effectiveness of recycled plastic layers in enhancing acoustic insulation in building floors

MIMO Feedback Control Program for the Automatic Control of Target Vibration Level

Funder: Hyundai Motors Company (07.2023-12.2023)

  • Feedback controller design

  • Adaptive filtering for dynamic system modelling

  • Realization of car vibration signals 

Design, Fabrication, and Application of Actuators for Vehicle AVC

Funder: Hyundai Motors Company (06.2023-06.2024)

  • Piezoelectric active vibration controller

  • Mounting type / inertial type

  • Design by numerical simulation 

  • Fabrication and application of actuators

Development of SCU Integrated e-Shift System Based on Smart Safety Technology

Funder: Ministry of Trade, Industry and Energy (01.2024-12.2026)

  • Vibroacoustic analysis for E-shift module

  • Technical feasibility tests

  • System integration

Ultrasonic Haptic Actuator for Human-Man Interaction

Funder: Hyundai NGV (03.2024-10.2024)

  • Signal processing for beamforming

  • Integration of air-coupled ultrasound transducers

  • Proof-of-concept for future technology

Development of SCU Integrated e-Shift System Based on Smart Safety Technology

Funder: Ministry of Trade, Industry and Energy (01.2024-12.2026)

  • Vibroacoustic analysis for E-shift module

  • Technical feasibility tests

  • System integration

Ultrasonic Haptic Actuator for Human-Man Interaction

Funder: Hyundai NGV (03.2024-10.2024)

  • Signal processing for beamforming

  • Integration of air-coupled ultrasound transducers

  • Proof-of-concept for future technology

© 2023 by Applied Acoustics and Signal Processing Lab. 

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