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Artikel Jurnal Teks lengkap
A Study on the Prediction of Tool Wear Using Multi-sensor and SVR in the Turning Process
In this study, we proposed a methodology for predicting tool wear in the turning process using the SVR model. This model maintains stable performance even in small-scale data environments and demonstrates robust characteristics against outliers. We detected changes in machining performance caused…
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A Dual-network-based Deep Reinforcement Learning Method for Scheduling in Manufacturing Systems with Multiple Processing Alternatives
Manufacturing systems are increasingly required to operate in high-mix, low-volume production environments, where process flexibility is crucial. One effective way to achieve this flexibility is through the use of multiple processing alternatives (MPA), allowing a product to be produced using…
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Development of a Lift Robot for Automated Internal Diagnosis in Cold Rolling Mills
This study introduces an automated robotic system designed to replace manual maintenance in cold rolling mills, where hazardous confined spaces present significant safety risks to workers. To enhance safety and efficiency, we modified a commercial aerial work platform into a teleoperated mobile…
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Ethanol Concentration Measurement and Classification Using Near-infrared Spectroscopy and a Random Forest Model
Ethanol poses a significant threat to driver safety, as its effects vary with blood alcohol concentration (BAC). Common methods for estimating BAC include breath alcohol analysis, which calculates BAC from the alcohol concentration in exhaled breath, and direct blood sampling. However, these…
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Artikel Jurnal Teks lengkap
Development of an Imitation Learning-based Manipulator Framework for Peg-in-hole process Automation
This paper presents an advanced robotic automation framework that combines an impedance-based compliance controller with an imitation learning network for high-precision peg-in-hole assembly. The framework is characterized by three key features. First, it employs an impedance-based compliance…
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Artikel Jurnal Teks lengkap
Path Optimization for 6-axis Robot Control Using Open Simulation-based Reinforcement Learning
The increasing adoption of industrial robot arms in advanced manufacturing has heightened the need for flexible trajectory planning methods that go beyond traditional offline programming (OLP) tools, which are often expensive, proprietary, and limiting. This study introduces an OLP-free pipeline…
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Development of Data Preprocessing Algorithm for Coating Process AI Model
This study proposes a systematic data preprocessing algorithm tailored for AI-based modeling of manufacturing data from a roll-to-roll (R2R) lithium iron phosphate (LFP) battery electrode coating process. The preprocessing strategy specifically addresses process characteristics and spatiotemporal…
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Developing Life Cycle-consistent Digital Twin for Manufacturing Equipment using LTI-ROM-based Virtual Sensors
As the demand for precision in the manufacturing industry grows, Digital Twin (DT) technology is gaining attention for its potential to enhance equipment performance and process reliability. However, existing research has primarily focused on specific stages of design or operation, leaving a gap in…
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Severe Plastic Deformation-induced Microstructure and Mechanical Behavior in 6061 Aluminum Alloy via Biaxial Alternate Forging
This study examines the deformation behavior and microstructural evolution of 6061 aluminum alloy processed through severe plastic deformation (SPD) via biaxial alternate forging. The objective was to evaluate both the alloy's formability limit and mechanical properties. Finite element (FE)…
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Dynamic Characteristic Analysis of Hollow-type Magnetic Gear for Collaborative Robots
Magnetic gears transmit torque via non-contact electro-magnetic coupling, which eliminates mechanical contact and significantly reduces wear, backlash, and noise compared to traditional mechanical gears. These benefits make magnetic gears particularly appealing for high-precision, high-reliability…
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Efficacy of Eradication for Gastric Cancer Prevention in Older Adults
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Artikel Jurnal Teks lengkap
Management in Older Adults: Current Perspectives From Japan
Helicobacter pylori infection—although its overall prevalence has declined over time—remains a major cause of peptic ulcer disease and gastric cancer, particularly among older adults in aging societies such as Japan. While eradication therapy is known to reduce the gastric cancer risk, its use in…
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Clinical Outcomes of Tegoprazan Versus Proton Pump Inhibitors in Patients Receiving Antiplatelet Therapy After Percutaneous Coronary Intervention: A Retrospective, Observational Study
Objectives Tegoprazan is an alternative to proton pump inhibitors (PPIs). This study evaluated the occurrence of upper gastrointestinal (GI) and cardiovascular (CV) complications in patients with ischemic heart disease undergoing antiplatelet therapy after percutaneous coronary intervention (PCI)…
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Management of Non-Variceal Upper Gastrointestinal Bleeding
Acute non-variceal upper gastrointestinal bleeding (NVUGIB) is a significant medical emergency associated with high morbidity and 5%–10% mortality. NVUGIB originates from sources proximal to the ligament of Treitz and primarily encompasses peptic ulcer bleeding, Mallory–Weiss tears, and malignant…
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Endoscopic Management of Post-Sleeve Gastrectomy Leaks Using Long, Fully Covered Stents
Gastric leaks after laparoscopic sleeve gastrectomy are serious complications with mortality rates of up to 10%. Conventional self-expanding metal stents exhibit high migration rates (up to 58%), limiting their efficacy. Large, fully covered megastents that reduce migration rates are poorly…
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Natural History of Gastric Subepithelial Lesions Measuring 1 to 2 cm
Objectives Management strategies for subepithelial lesions (SELs) measuring 1–2 cm remain undefined in most guidelines due to limited data. We aimed to establish a practical clinical approach by analyzing the long-term outcomes of SELs in this size range. Methods We retrospectively reviewed cases…
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Antimicrobial Peptides: Potential Therapeutic Substitute for Antibiotics in Infection
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Artikel Jurnal Teks lengkap
Positivity by 16S rRNA Gene PCR in Fecal Samples From Patients With Gastroduodenal Symptoms: A Retrospective Observational Study
Objectives Helicobacter pylori is recognized as one of the most virulent microorganisms within the genus Helicobacter owing to its genomic characteristics. It has been associated with diseases, such as peptic ulcers and gastric cancer. This study aimed to evaluate Helicobacter pylori positivity in…
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Endoscopic Submucosal Dissection for Early Gastric Cancer: Current Standard Indication and Management
Endoscopic submucosal dissection (ESD) has been established as the standard treatment for early gastric cancer, enabling en bloc resection regardless of lesion size and offering high curability with organ preservation. The indications for ESD have expanded with the accumulation of long-term data…
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Underwater Endoscopic Resection for the Rare Periampullary Tumor
Composite gangliocytoma/neuroma and neuroendocrine tumors (CoGNETs) are extremely rare periampullary neoplasms composed of neuroendocrine epithelial, Schwannian spindle, and ganglion cells. Although endoscopic papillectomy or surgery have been used to treat ampullary CoGNETs, underwater endoscopic…
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