Results 1 to 10 of about 12,237 (275)

A Novel Unsupervised Machine Learning-Based Method for Chatter Detection in the Milling of Thin-Walled Parts [PDF]

open access: yesSensors, 2021
Data-driven chatter detection techniques avoid complex physical modeling and provide the basis for industrial applications of cutting process monitoring.
Runqiong Wang   +5 more
doaj   +2 more sources

Extraction and Assessment of Features Using Shannon Entropy and Rényi Entropy for Chatter Detection in Micro Milling [PDF]

open access: yesMicromachines
Chatter is a common phenomenon in micromachining processes that adversely affects machining quality, reduces tool life, and generates excessive noise that contributes to environmental pollution.
Zehui Zheng   +5 more
doaj   +2 more sources

Multi-modal denoised data-driven milling chatter detection using an optimized hybrid neural network architecture [PDF]

open access: yesScientific Reports
Chatter, a type of self-excited vibration, deteriorates surface quality and reduces tool life and machining efficiency. Chatter detection serves as an effective approach to achieve stable cutting.
Haining Gao   +9 more
doaj   +2 more sources

Chatter in manufacturing system: Prediction and detection [PDF]

open access: yesTehnika
Chatter is a phenomenon that periodically occurs in machining systems. Its occurrence in machining processes excites the tool and other elements of the machining system, creating "chatter marks" on the workpiece surface, which affects the quality of the ...
Vorkapić Nikola M.   +2 more
doaj   +3 more sources

In-Process Chatter Detection in Surface Grinding [PDF]

open access: yesMATEC Web of Conferences, 2015
The chatter causes the poor surface finish during the surface grinding. It is therefore necessary to monitor the chatter during the process. Hence, this research has proposed the in-process chatter detection in the surface grinding process by utilizing ...
Tangjitsitcharoen Somkiat   +1 more
doaj   +2 more sources

Chatter Monitoring of Machining Center Using Head Stock Structural Vibration Analyzed with a 1D Convolutional Neural Network [PDF]

open access: yesSensors, 2022
Real-time chatter detection is crucial for the milling process to maintain the workpiece surface quality and minimize the generation of defective parts. In this study, we propose a new methodology based on the measurement of machine head stock structural
Kwanghun Jeong   +4 more
doaj   +2 more sources

Chatter Detection in Robotic Milling Using Entropy Features

open access: yesApplied Sciences, 2022
Chatter detection in robotic milling is a difficult issue due to the complex dynamic behavior of robots. In this paper, a novel approach to detecting chatter in the robotic milling process is proposed.
Bin Yang, Kai Guo, Jie Sun
doaj   +2 more sources

The Early Detection of Fraudulent COVID-19 Products From Twitter Chatter: Data Set and Baseline Approach Using Anomaly Detection [PDF]

open access: yesJMIR Infodemiology, 2023
BackgroundSocial media has served as a lucrative platform for spreading misinformation and for promoting fraudulent products for the treatment, testing, and prevention of COVID-19. This has resulted in the issuance of many warning
Abeed Sarker   +5 more
doaj   +2 more sources

Multi-Sensory Tool Holder for Process Force Monitoring and Chatter Detection in Milling [PDF]

open access: yesSensors
Sensor-based monitoring of process and tool condition in milling is a key technology for improving productivity and workpiece quality, as well as enabling automation of machine tools.
Alexander Schuster   +3 more
doaj   +2 more sources

GA-PE-VMD and MSE Methods for Milling Chatter Feature Extraction of Thin-walled Parts

open access: yesJournal of Harbin University of Science and Technology, 2023
In the high-speed milling of aviation parts, due to the low stiffness of thin-walled structure, it is easy to produce chatter. Chatter leads to poor surface quality, dimensional error and reducing the service life of tools and machines.Therefore, a ...
WANG Hanbin   +4 more
doaj   +1 more source

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