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Yoonsang Ra

Kyung Hee University

Department of Accounting and Taxation

School of Management

Seoul

Korea, Republic of (South Korea)

  • Kyung Hee University

SCHOLARLY PAPERS

7

DOWNLOADS

395

TOTAL CITATIONS

2

Scholarly Papers (7)

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1.

Smart Conveyor Roller System for Self-Powered Product Size Identification in Electrically Off-Grid Condition Via Hybridization of Triboelectric-Electromagnetic Generators

Number of pages: 25 Posted: 16 Apr 2022
Yoonsang Ra, Jaehyoung Kim, Hyeonsu Kim, Sumin Cho, Donghan Lee, Sunmin Jang, Dongik Kam, Moonwoo La, Sung Jea Park and Dongwhi Choi
Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, affiliation not provided to SSRN, Korea University of Technology and Education and Kyung Hee University
Downloads 110 (640,165)

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Smart conveyor system, Self-powered sensor, energy harvesting, Off-grid sensor system

2.

Injection Molding-Assisted Mass Production of Thermoplastic Fluoropolymer-Based Recyclable Triboelectric Nanogenerator

Number of pages: 27 Posted: 12 Apr 2023
Yoonsang Ra, Jong Hyun Lee, Jiho Bang, Donghan Lee, Dongik Kam, Sumin Cho, Sunmin Jang, Donghyeon Yoo, Jong Woo Kim, Kyoung Je Cha and Dongwhi Choi
Kyung Hee University, affiliation not provided to SSRN, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, affiliation not provided to SSRN, Kyung Hee University, affiliation not provided to SSRN and Kyung Hee University
Downloads 73 (852,604)

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Energy harvesting, Triboelectric nanogenerator, Thermoplastic fluoropolymer, Closed loop mass production, Injection molding, Recycling

3.

Electrical Grid-Independent Machine Learning-Assisted Wearable Gait Analysis Device with Triboelectric-Electromagnetic Hybrid Energy Harvester

Number of pages: 33 Posted: 08 May 2025
Yoonsang Ra, Dongjun Kim, Mi Song Nam, Sumin Cho, Yu-seop Kim, Seongwoo Cho, Jumyung Um, Yun Jung Heo and Dongwhi Choi
Kyung Hee University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Kyung Hee University
Downloads 69 (899,324)

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Grid-independent machine learning, Embedded artificial intelligence, Energy Harvesting, Gait analysis, wearable device

4.

Direct Electrospinning of Reconstructable Pvdf-Trfe Nanofibrous Mat Onto Conductive Cement Nanocomposite for Triboelectricity-Assisted Net Zero Energy Structure

Number of pages: 27 Posted: 02 Jan 2024
Yoonsang Ra, Jong Woo Kim, Ilhwan You, Sunmin Jang, Sumin Cho, Girak Gwon, Dongik Kam, Donghan Lee, Awais Ahmad, Mohammad Rezaul Karim, Seung-Jung Lee and Dongwhi Choi
Kyung Hee University, affiliation not provided to SSRN, Jeonbuk National University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, King Saud University, Incheon National University and Kyung Hee University
Downloads 51 (1,052,702)
Citation 2

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Triboelectric nanogenerator (TENG), Conductive cement nanocomposite, Direct electrospinning, Reconstructable nanofibrous mat, Net zero energy structure

5.

Charge Transfer Accelerating Strategy for Improving Sensitivity of Droplet Based Triboelectric Sensors Via Heterogeneous Wettability

Number of pages: 30 Posted: 23 Mar 2022
Sunmin Jang, Yoonsu Joung, Hyeonsu Kim, Sumin Cho, Yoonsang Ra, Minchang Kim, Dahoon Ahn, Zong-Hong Lin and Dongwhi Choi
Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Seoul National University of Science and Technology, National Tsing Hua University and Kyung Hee University
Downloads 40 (1,183,237)

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Liquid triboelectric platform, Signal amplification, Heterogeneous wettability surface, Charge transfer acceleration, Self-powered droplet sensing

6.

Portable Triboelectric-Electromagnetic Hybrid Biomechanical Energy Harvester for Driving Various Functional Light-Emitting Diodes with a Wide Range of Wavelengths

Number of pages: 22 Posted: 15 Aug 2023
Yoonsang Ra, Yu-seop Kim, Seonmo Yang, Namgyu Kang, Gyuwon Oh, Chungyeon Cho, Sangmin Lee and Dongwhi Choi
Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Kyung Hee University, Wonkwang University, Chung-Ang University and Kyung Hee University
Downloads 30 (1,318,317)

Abstract:

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Biomechanical energy, Hybrid energy harvester, Portable device, Functional light-emitting diode, Triboelectric nanogenerator, Electromagnetic generator

7.

Hidden Regulator-Based Physically Intelligent Rotational Triboelectric Nanogenerator with Real-Time Tracing of Optimal Working Condition

Number of pages: 28 Posted: 20 Mar 2024
Yoonsang Ra, Yu-seop Kim, Donghan Lee and Dongwhi Choi
Kyung Hee University, Kyung Hee University, Kyung Hee University and Kyung Hee University
Downloads 22 (1,424,331)

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Rotational triboelectric nanogenerator (R-TENG), Kinetic design, Optimal working condition, Physical intelligence, Self-adjustment