International Journal of Precision Engineering and Manufacturing-Smart Technology

Regular Paper

January 1, 2025

Development of a Defect Diagnosis Algorithm for Blow-molded Transparent Plastic Bottles based on Convolutional Neural Networks (CNN)

Young Woon Choi, Sang Won Lee

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):1-6.

Polyethylene terephthalate (PET) bottles are widely used for food and beverage packaging, produced through blow-molding processes. Defects in PET bottles often arise due to improper process conditions, with visual inspections...

Regular Paper

January 1, 2025

Operation Status Diagnosis of an Underwater Cutting Robot Using Adaptive Weighted Parallel 1D-DenseNet

Sangwook Park, Bongcheol Kim, Byeong Guk Kang, Jonghwan Lee, Dongjun Hyun, Ikjune Kim, Hyunseok Oh, Duhwan Mun

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):7-16.

The interior of a nuclear reactor, filled with water and classified as a medium-level radiation area, is inaccessible to humans, requiring underwater remote cutting during decommissioning. However, the cutting process...

Regular Paper

January 1, 2025

Advanced Machine Learning Techniques for Predicting Z-Axis Belt Wear in Wafer Transfer Robots

MD Saiful Islam, Young Kyoung Ji, Kihyun Kim, Hyo-Young Kim

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):17-30.

Wafer-transfer robots (WTRs) are critical to semiconductor manufacturing, where precision and efficiency are essential to ensure high production yields and minimize defects. A key challenge is the wear and degradation...

Regular Paper

January 1, 2025

Thin Film Thickness Analysis Using a Deep Learning Algorithm with a Consideration of Reflectance Fluctuation

Joonyoung Lee, Jonghan Jin

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):31-38.

A deep learning algorithm for thin film thickness analysis based on spectral reflectometry, using a dataset that reflects experimental conditions, has been proposed and implemented. This study extends our previous...

Regular Paper

January 1, 2025

Real-time Defect Detection in Wire-laser Directed Energy Deposition Process Using U-Net-based Semantic Segmentation

Yeong-Seo Kim, Seung-Mun Lee, Ju-Chan Yuk, Suk-Hee Park

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):39-52.

This study introduces a real-time monitoring system for wire-laser directed energy deposition (W-LDED) process, utilizing a U-Net-based semantic segmentation model. The system accurately identifies critical defective features in the process,...

Regular Paper

January 1, 2025

In Situ Machine Tool Walking on Large Workpieces: Improvement of Machining Accuracy by Compensating Orientation Dependent Position Error

Chang-Ju Kim, Dae-Hyun Kim, Seung-Kook Ro

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):53-58.

For manufacturing and repair operations involving large parts, such as aircraft components and wind turbines, in situ machine tools have been recognized as an effective solution. This study introduces a...

Regular Paper

January 1, 2025

Heated Syringe Extrusion for Soft Gripper Fabrication in Additive Manufacturing

Kwang Yeol Yu, Woo Jin Jeong, In Hwan Lee

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):59-64.

This study explores the feasibility of creating a pneumatically driven soft gripper using Thermoplastic Polyurethane (TPU) through Direct Ink Writing (DIW) technology via a heated syringe extrusion process. Unlike traditional...

Review

January 1, 2025

A State-of-art on Damage Detection of Composite Structure Using Lamb Wave and Deep Learning Techniques

Olivier Munyaneza, Do-Gyeong Yuk, Jung Woo Sohn

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):65-82.

Composite materials have garnered the attention of high-tech companies due to their significant benefits, such as high stiffness, corrosion resistance, good wear resistance, and high mechanical strength. However, these materials...

Review

January 1, 2025

A Review on Deployable Structures in Space Industry

Suyeon Seo, Min-Woo Han

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):83-96.

Deployable structures are essential for satellite systems, space habitats, and space exploration. These structures remain compact during launch and extend in space, effectively addressing the constraints of space transportation. This...

Industry Case Study

January 1, 2025

The Development of REST API Gateway Application Using Unified CNC Interface Platform

Yeong-Deuk Kim, Dong Yoon Lee

Int. J. Precis. Eng. Manuf.-Smart Tech.. 2025;3(1):97-105.

As the manufacturing industry adopts smart technologies, the demand for industrial applications that can interact with various manufacturing equipment has increased. CNCs are the core units that control machine tools,...

MOST CITED

Digital Twin Based Machining Condition Optimization for CNC Machining Center

Beomsik Sim (Sim B), Wonkyun Lee (Lee W)

Key Enabling Technologies for Smart Factory in Automotive Industry: Status and Applications

Jongsuk Lee (Lee J), Ping Chong Chua (Chua PC), Lequn Chen (Chen L), Poh Huat Nicholas Ng (Ng PHN), Yerim Kim (Kim Y), Qiong Wu (Wu Q), Sumin Jeon (Jeon S), Jihwan Jung (Jung J), Siheon Chang (Chang S), Seung Ki Moon (Moon SK)

MOST READ

Fiber Optic Sensor for Smart Manufacturing

Fengfeng Zhou (Zhou F), Xingyu Fu (Fu X), Siying Chen (Chen S), Eunseob Kim (Kim E), Martin B.-G. Jun (Jun MBG)

The Current Design for Additive Manufacturing Research Frontier

David W. Rosen (Rosen DW)

Current Issue: Volume 3(1); Jan 2025

This archive contains links to the full-text of all issues of Int. J. Precis. Eng. Manuf.-Smart Tech..

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