An Active Tuned Mass Damper for Vibration Reduction of Ultra-High-Precision Equipment

Jeong Hee Choi, Chae Hun An

In an environment where ultra-high-precision equipment is used, vibration inevitably occurs due to various factors. These vibrations generate fatal effects, suc...

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DOI: https://doi.org/10.7736/JKSPE.020.073

Development of Passive Hip-Exoskeleton to Prevent Back Pain during Lifting Work with Cam Mechanism

Hyun Gi Moon, Jun Kyou Nho, Jin Hyeon Jeong, Sang Keun Lee, In Hyuk Baek, Chang Soo Han

This paper deals with the development of a passive modular hip exoskeleton system aimed at preventing musculoskeletal low back pain, which commonly occurs in he...

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DOI: https://doi.org/10.7736/JKSPE.019.132

Effect of Liquid Coolant Channel Configuration on Cooling Performance of High Power Electronics

Jaehyun Park, Jaemun Choi, Changwoo Han, Heesung Park

Power electronic systems have been widely applied in both industrial and domestic applications in the modern society for controlling and converting electrical e...

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DOI: https://doi.org/10.7736/JKSPE.020.051

Study of Damper Shape for Vibration Reduction Effect of Treadmill

Hyuk Dong Kwon, Kyeong Su Ha, Dong Hwan Park

As interest in the quality of life has recently increased, there is a growing interest and demand for exercise equipment, such as indoor treadmills or cycles, w...

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DOI: https://doi.org/10.7736/JKSPE.020.053

Optimal Design of Cellular Structures with Void-Induced Anisotropy

Youngdoo Kim, Cong Hong Phong Nguyen, Young Choi

Additive manufacturing (AM) had a significant influence on the geometry design of products. It became possible to replace the full solid material with cellular ...

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DOI: https://doi.org/10.7736/JKSPE.020.092

An Alignment Method for a TCP Position of Five-Axis Machine Tools for ISO 10791-6

Kwang-Il Lee, Do-Hun Kim, Dong-Mok Lee, Seung-Han Yang

ISO 10791-6 specifies test conditions, BK1 and BK2, including circularly interpolated motions by simultaneous control of two linear axes and a rotary/tilting ax...

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DOI: https://doi.org/10.7736/JKSPE.020.075

Effects of Working Fluids on Spray Modes and Atomization Characteristics in Electrospray

Ji Yeop Kim, Sang Ji Lee, Gwang Yeol Baik, Jung Goo Hong

An electrospray is widely used in the industry due to uniform and continuous droplet generation. Most of the studies on the electrospray modes are conducted in ...

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DOI: https://doi.org/10.7736/JKSPE.020.100

Characteristics of Muscular Activities according to Assist of Trunk Activities for Agricultural Work

Eun-Hye Cha, Min-Joo Kim, Seung-Yong Oh, Kyong Kim, Mi Yu, Chul-Un Hong, Tae-Kyu Kwon

Farming is a typical task that includes repetitive tasks, incomplete working positions, and weight work, along with exposure to a number of musculoskeletal dise...

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DOI: https://doi.org/10.7736/JKSPE.020.046

Size Optimization for Performance Improvement of Plain Fins in Heat Exchanger of Thermo-Electric Power System

Ga Eun Kim, Hyung Joon Park, Seung Ho Han

As global warming is rapidly emerging as one of the inherently global issues, one of the renewable energies, i.e. thermoelectric generation, has received attent...

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DOI: https://doi.org/10.7736/JKSPE.020.084