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Proceedings Papers

Comparison Study on Two-DOF Broadband Energy Harvester for Varied Tram Vibration Frequency

Hamza Umar, Soobum Lee, Christopher Mullen, Jaehoon Kim, Jaeyun Lee
Proc. ASME. IDETC-CIE2024, Volume 11: 36th Conference on Mechanical Vibration and Sound (VIB), V011T11A016, August 25–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: DETC2024-143152
https://doi.org/10.1115/DETC2024-143152
View Paper titled, Comparison Study on Two-DOF Broadband Energy Harvester for Varied Tram Vibration Frequency
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Topics: Design, Energy harvesting, Optimization, Oscillating frequencies, Vibration
Proceedings Papers

Design for an Additively Manufactured Hollow Glass Microsphere Lattice Support Structure Using Topology Optimization

Jude Thaddeus Persia, Soobum Lee, Victor Yun
Proc. ASME. IDETC-CIE2024, Volume 3B: 50th Design Automation Conference (DAC), V03BT03A013, August 25–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: DETC2024-143797
https://doi.org/10.1115/DETC2024-143797
View Paper titled, Design for an Additively Manufactured Hollow Glass Microsphere Lattice Support Structure Using Topology Optimization
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Topics: Additive manufacturing, Design, Glass, Topology optimization, Triply periodic minimal surfaces
Proceedings Papers

Selective Amplification and Suppression of Strain in a Multi-Axis Force Sensor Using Topology Optimization

Myung Kyun Sung, Soobum Lee, Devin E. Burns, Jude Thaddeus Persia
Proc. ASME. IDETC-CIE2023, Volume 3B: 49th Design Automation Conference (DAC), V03BT03A013, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114920
https://doi.org/10.1115/DETC2023-114920
View Paper titled, Selective Amplification and Suppression of Strain in a Multi-Axis Force Sensor Using Topology Optimization
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Topics: Force sensors, Sensors, Topology optimization, Wind tunnels
Proceedings Papers

Realization of Uniform Bending Strain in Piezoelectric Energy Harvesters by Gamma-Shaped Structures

Sinwoo Jeong, Soobum Lee, Hong Hee Yoo
Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A004, September 14–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2021-67736
https://doi.org/10.1115/SMASIS2021-67736
View Paper titled, Realization of Uniform Bending Strain in Piezoelectric Energy Harvesters by Gamma-Shaped Structures
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Topics: Energy harvesting, Shape optimization
Journal Articles

Nonlinear Dynamics of a Rotary Energy Harvester With a Double Frequency Up-Conversion Mechanism

Saman Nezami, Soobum Lee
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2020, 15(9): 091011.
Paper No: CND-19-1490
https://doi.org/10.1115/1.4047238
Published Online: July 16, 2020
View Article titled, Nonlinear Dynamics of a Rotary Energy Harvester With a Double Frequency Up-Conversion Mechanism
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Topics: Blades, Disks, Energy harvesting, Magnets, Kinetic energy, Vibration, Gravity (Force), Rotation
Proceedings Papers

Design of a Probabilistic Health Monitoring System Using Embedded Piezoelectric Patch Sensors

Amin Toghi Eshghi, Soobum Lee, HyunJun Jung, Pingfeng Wang
Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T05A001, September 9–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2019-5506
https://doi.org/10.1115/SMASIS2019-5506
View Paper titled, Design of a Probabilistic Health Monitoring System Using Embedded Piezoelectric Patch Sensors
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Topics: Design, Monitoring systems, Sensors, Failure, Structural health monitoring, Vibration, Failure mechanisms, Finite element analysis, Modeling, Screws
Proceedings Papers

Mathematical Modeling of a Two Degree of Freedom Vibration Energy Harvester for Low Speed Rotary Structure Application

Saman Nezami, Soobum Lee
Proc. ASME. IDETC-CIE2019, Volume 8: 31st Conference on Mechanical Vibration and Noise, V008T10A014, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97555
https://doi.org/10.1115/DETC2019-97555
View Paper titled, Mathematical Modeling of a Two Degree of Freedom Vibration Energy Harvester for Low Speed Rotary Structure Application
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Topics: Degrees of freedom, Energy harvesting, Excitation, Modeling, Rotation, Vibration
Proceedings Papers

Exploiting Multi-Modal Sensing for Increased Detection Fidelity of Pipeline Leakage

Apeksha Lanjile, Mohamed Younis, Seung-Jun Kim, Soobum Lee
Proc. ASME. IDETC-CIE2019, Volume 2B: 45th Design Automation Conference, V02BT03A017, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97553
https://doi.org/10.1115/DETC2019-97553
View Paper titled, Exploiting Multi-Modal Sensing for Increased Detection Fidelity of Pipeline Leakage
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Topics: Leakage, Pipelines, Acoustics, Pipes, Sensors, Accelerometers, Corrosion, Cracking (Materials), Damage, Fluids
Journal Articles

High-Dimensional Reliability-Based Design Optimization Involving Highly Nonlinear Constraints and Computationally Expensive Simulations

Meng Li, Mohammadkazem Sadoughi, Chao Hu, Zhen Hu, Amin Toghi Eshghi, Soobum Lee
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. May 2019, 141(5): 051402.
Paper No: MD-18-1456
https://doi.org/10.1115/1.4041917
Published Online: January 11, 2019
View Article titled, High-Dimensional Reliability-Based Design Optimization Involving Highly Nonlinear Constraints and Computationally Expensive Simulations
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Topics: Design, Dimensions, Errors, Event history analysis, Modeling, Reliability-based optimization, Uncertainty, Reliability
Proceedings Papers

Dynamics of Vibration Energy Harvester Governed by Gravity and Magnetic Force in a Rotating Wind Turbine Blade

Saman Nezami, HyunJun Jung, Myung Kyun Sung, Soobum Lee
Proc. ASME. SMASIS2018, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V002T07A002, September 10–12, 2018
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2018-7958
https://doi.org/10.1115/SMASIS2018-7958
View Paper titled, Dynamics of Vibration Energy Harvester Governed by Gravity and Magnetic Force in a Rotating Wind Turbine Blade
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Topics: Blades, Dynamics (Mechanics), Energy harvesting, Gravity (Force), Magnetic fields, Vibration, Wind turbines, Disks, Computer software, Magnets
Journal Articles

A High-Dimensional Reliability Analysis Method for Simulation-Based Design Under Uncertainty

Mohammad Kazem Sadoughi, Meng Li, Chao Hu, Cameron A. MacKenzie, Soobum Lee, Amin Toghi Eshghi
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. July 2018, 140(7): 071401.
Paper No: MD-17-1565
https://doi.org/10.1115/1.4039589
Published Online: April 25, 2018
View Article titled, A High-Dimensional Reliability Analysis Method for Simulation-Based Design Under Uncertainty
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Topics: Dimensions, Event history analysis, Reliability, Simulation, Uncertainty, Tradeoffs, Design under uncertainty, Errors
Proceedings Papers

Self-Start Piezoelectric Energy Harvesting Circuit With Adjustable UVLO Converter for Wireless Sensor Network

Hyun Jun Jung, Soobum Lee, Hamid Jabbar, Se Yeong Jeong, Tae Hyun Sung
Proc. ASME. SMASIS2017, Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies, V001T07A005, September 18–20, 2017
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2017-3796
https://doi.org/10.1115/SMASIS2017-3796
View Paper titled, Self-Start Piezoelectric Energy Harvesting Circuit With Adjustable UVLO Converter for Wireless Sensor Network
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Topics: Circuits, Energy harvesting, Wireless sensor networks, Batteries, Energy consumption, Energy generation, Sensors
Proceedings Papers

Design Under Uncertainty for a Piezoelectric Energy Harvester to Power a Tire Pressure Monitoring System

Amin Toghi Eshghi, Soobum Lee, Young-Cheol Kim
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A059, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67522
https://doi.org/10.1115/DETC2017-67522
View Paper titled, Design Under Uncertainty for a Piezoelectric Energy Harvester to Power a Tire Pressure Monitoring System
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Topics: Design under uncertainty, Energy harvesting, Monitoring systems, Pressure, Tires, Design, Uncertainty, Optimization, Reliability-based optimization, Algorithms
Proceedings Papers

Optimization of an Electromagnetic Energy Harvesting Backpack Under Actual Walking and Running Scenarios

Christopher Mullen, Soobum Lee
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A015, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9291
https://doi.org/10.1115/SMASIS2016-9291
View Paper titled, Optimization of an Electromagnetic Energy Harvesting Backpack Under Actual Walking and Running Scenarios
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Topics: Electromagnetic radiation, Optimization, Batteries, Magnets, Energy harvesting, Excitation, Vibration, Capacitors, Copper, Displacement
Proceedings Papers

Improving Durability of a Vibration Energy Harvester Using Structural Design Optimization

Saman Nezami, Soobum Lee, Kiweon Kang, Jaehoon Kim
Proc. ASME. SMASIS2016, Volume 2: Modeling, Simulation and Control; Bio-Inspired Smart Materials and Systems; Energy Harvesting, V002T07A018, September 28–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2016-9301
https://doi.org/10.1115/SMASIS2016-9301
View Paper titled, Improving Durability of a Vibration Energy Harvester Using Structural Design Optimization
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Topics: Durability, Energy harvesting, Optimization, Structural design, Vibration, Springs, Design, Stress concentration, Topology, Rails
Proceedings Papers

Reliability-Based Design Optimization for Nonlinear Energy Harvesters

Sumin Seong, Christopher Mullen, Soobum Lee
Proc. ASME. SMASIS2015, Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T07A006, September 21–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2015-8884
https://doi.org/10.1115/SMASIS2015-8884
View Paper titled, Reliability-Based Design Optimization for Nonlinear Energy Harvesters
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Topics: Energy harvesting, Reliability-based optimization, Cantilevers, Design, Buckling, Engineering prototypes, Equilibrium (Physics), Inertia (Mechanics), Nonlinear vibration, Power density
Proceedings Papers

Design of Nonlinear Energy Harvester With Snap-Through Buckling Mechanism

Sumin Seong, Soobum Lee
Proc. ASME. IDETC-CIE2014, Volume 8: 26th Conference on Mechanical Vibration and Noise, V008T11A093, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35326
https://doi.org/10.1115/DETC2014-35326
View Paper titled, Design of Nonlinear Energy Harvester With Snap-Through Buckling Mechanism
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Topics: Buckling, Design, Energy harvesting, Vibration, Nonlinear vibration, Shells, Cantilever beams, Excitation, Linear vibration
Proceedings Papers

Design of Smart Sensing Functions Using Piezoelectric Materials for Failure Diagnostics

Pingfeng Wang, Zequn Wang, Byeng D. Youn, Soobum Lee
Proc. ASME. IDETC-CIE2014, Volume 2A: 40th Design Automation Conference, V02AT03A038, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34550
https://doi.org/10.1115/DETC2014-34550
View Paper titled, Design of Smart Sensing Functions Using Piezoelectric Materials for Failure Diagnostics
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Topics: Design, Failure, Piezoelectric materials, Uncertainty, Multifunctional materials, Reliability, Robustness
Journal Articles

Topology Optimization of Piezoelectric Energy Harvesting Skin Using Hybrid Cellular Automata

Soobum Lee, Andrés Tovar
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. March 2013, 135(3): 031001.
Paper No: MD-12-1107
https://doi.org/10.1115/1.4023322
Published Online: January 17, 2013
View Article titled, Topology Optimization of Piezoelectric Energy Harvesting Skin Using Hybrid Cellular Automata
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Topics: Design, Energy harvesting, Environmental health and safety, Optimization, Topology, Vibration, Algorithms, Piezoelectric materials
Proceedings Papers

Topology Optimization of Energy Harvesting Skin Structure Utilizing Harmonic Vibration

Soobum Lee, Andres Tovar
Proc. ASME. IDETC-CIE2011, Volume 1: 23rd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 221-228, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-47097
https://doi.org/10.1115/DETC2011-47097
View Paper titled, Topology Optimization of Energy Harvesting Skin Structure Utilizing Harmonic Vibration
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Topics: Energy harvesting, Optimization, Skin, Topology, Vibration, Piezoelectric materials, Algorithms, Design, Environmental health and safety, Finite element analysis