Bending and Compressive Performance of Strut Tower Braces based on Finite Element Analysis for Improvement of Vehicle Safety and Stability

Jeong Bin Bae, Jung Jin Kim

A strut tower brace is one of the components that can improve the driving stability of a vehicle. This component has received steady attention for a long time d...

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DOI: https://doi.org/10.7736/JKSPE.024.047

Optimized Coverage Path Planning for Efficient Autonomous Operation of a Barn Manure Handling Robot

Jun Goo Ji, Myeong Gyu Lee, Won Gun Kim

In the field of robotics and automation, path planning holds significant potential for optimizing field operations. These operations must cover the work area co...

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DOI: https://doi.org/10.7736/JKSPE.024.065

Excavation Trajectory Planning based on Site Terrain Data

Chulwhan Im, Jangho Bae, Jinwoo Park, Seonwoo Kim, Daehie Hong

Excavators are crucial heavy equipment on construction sites, performing diverse earthwork tasks. The construction worksite is experiencing a labor shortage due...

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DOI: https://doi.org/10.7736/JKSPE.024.068

Study on Repair of SKD 61 Using Directed Energy Deposition with H13 and P21 Powders

Bit-na Yun, Min-seong Ko, Hyo-jeong Kang, Do-Sik Shim

In this study, we investigated characteristics and mechanical properties of SKD61 repaired using the direct energy deposition (DED) process. Mechanical properti...

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DOI: https://doi.org/10.7736/JKSPE.024.073

A study of Tuned Mass Damper (TMD) Application for Mass Imbalance and Vibration Reduction in Gimbal Systems for High-speed Maneuverable Vehicles

Jun-Soo Kim, Dong-Kyun Lee, Jong-Kuk Lee, Hyeon-Jun Cho, Ji-in Jung

This study proposed a method for simultaneously reducing mass imbalance and vibration in gimbal systems utilizing a tuned mass damper (TMD) as a balancing weigh...

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DOI: https://doi.org/10.7736/JKSPE.024.079

Prediction of Machining Conditions from EDMed Surface Using CNN

Ji Hyo Lee, Jae Yeon Kim, Dae Bo Sim, Bo Hyun Kim

CNN is one of the deep learning technologies useful for image-based pattern recognition and classification. For machining processes, this technique can be used ...

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DOI: https://doi.org/10.7736/JKSPE.024.080

Customized Current Control of a Linear Motor Motion Stage

Kyung Ho Yang, Hyeong-Joon Ahn

In the 4 Industrial Revolution, advancements in semiconductor technology demand high performance, efficiency, and precision, highlighting the importance of high...

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DOI: https://doi.org/10.7736/JKSPE.024.085

In-situ Wired and Wireless Material Testing System with Nanometer-level Displacement Control

Kyoung Seok Park, Pill Ho Kim, Chung-Seog Oh

To accurately assess mechanical properties of micro- and nano-sized specimens, a reliable material testing system is indispensable. However, due to small sizes ...

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DOI: https://doi.org/10.7736/JKSPE.024.086

Study on Miniaturization and Lightweight Method of Electric Thruster Power and Gas Supply Device for Micro Satellite

Jin Young Park

Recent advancements in science and technology have enabled even microsatellites to perform various high-level tasks. As the range of missions that satellites un...

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DOI: https://doi.org/10.7736/JKSPE.024.090

Prediction of Elastic Modulus in Porous Structures Considering Materials and Design Variables Using Artificial Neural Network

Min Ji Ham, In Yong Moon

Predicting elastic modulus of a porous structure is essential for applications in aerospace, biomedical, and structural engineering. Traditional methods often s...

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DOI: https://doi.org/10.7736/JKSPE.024.093

Development of Dual Energy Poteobeul X-ray Using MCNP

Gyung-Il Lee

Recently, X-ray images through chest radiography (CXR) can distinguish gas, fat, soft tissue, bone, and metal based on their densities. It is the most basic che...

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DOI: https://doi.org/10.7736/JKSPE.024.111

Study on Hysteretic Characteristics of Piezoelectric Fast Steering Mirror in Frequency Response

Sang Won Jung, Hyo Geon Lee, Jae Woo Jung, Jae Hyun Kim, Seonbin Lim, Youngjin Park, Onemook Kim, Jaehyun Lim, Kijun Seong, Daehee Lim, Minjae Ko, No-Cheol Park, Jun Young Yoon

Nonlinear hysteresis effects in piezoelectric fast steering mirrors (FSMs) are major culprits of deteriorating the servo performance and reducing the robustness...

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DOI: https://doi.org/10.7736/JKSPE.024.116