Extraction and Assessment of Features Using Shannon Entropy and Rényi Entropy for Chatter Detection in Micro Milling [PDF]
MicromachinesChatter 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 +4 more sources
Chatter in manufacturing system: Prediction and detection [PDF]
TehnikaChatter 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
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In-Process Chatter Detection in Surface Grinding [PDF]
MATEC 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 +4 more sources
Transfer learning for autonomous chatter detection in machining [PDF]
Journal of Manufacturing Processes, 2022 Large-amplitude chatter vibrations are one of the most important phenomena in machining processes. It is often detrimental in cutting operations causing a poor surface finish and decreased tool life. Therefore, chatter detection using machine learning has been an active research area over the last decade.
Melih C Yeşilli +2 more
exaly +4 more sources
A Novel Unsupervised Machine Learning-Based Method for Chatter Detection in the Milling of Thin-Walled Parts [PDF]
Sensors, 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
Multi-modal denoised data-driven milling chatter detection using an optimized hybrid neural network architecture [PDF]
Scientific ReportsChatter, 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
Multi-Sensory Tool Holder for Process Force Monitoring and Chatter Detection in Milling [PDF]
SensorsSensor-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
The Early Detection of Fraudulent COVID-19 Products From Twitter Chatter: Data Set and Baseline Approach Using Anomaly Detection [PDF]
JMIR 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
GA-PE-VMD and MSE Methods for Milling Chatter Feature Extraction of Thin-walled Parts
Journal 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
Topological feature vectors for chatter detection in turning processes [PDF]
The International Journal of Advanced Manufacturing Technology, 2022 Machining processes are most accurately described using complex dynamical systems that include nonlinearities, time delays, and stochastic effects. Due to the nature of these models as well as the practical challenges which include time-varying parameters, the transition from numerical/analytical modeling of machining to the analysis of real cutting ...
Melih C. Yesilli +2 more
openaire +2 more sources