Results 21 to 30 of about 2,750,886 (215)
A Hybrid Chatter Detection Method Based on WPD, SSA, and SVM-PSO
Shock and Vibration, 2020 As a kind of self-excited vibrations, chatter vibration is extremely common in end milling, especially in high-speed cutting processes. It affects the machining accuracy of products and decreases the processing efficiency of machine tools.
Erhua Wang, Peng Yan, Jie Liu
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Chatter identification in turning process based on vibration analysis using Hilbert-Huang transform
Journal of Mechanical Engineering and Sciences, 2020 In machining process, the increasing cutting depth is aimed to accelerate machining operations in a short time. However, the increasing cutting depth can cause chatter vibration at any time.
Agus Susanto +4 more
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The Bivariate Empirical Mode Decomposition and Its Contribution to Grinding Chatter Detection
Applied Sciences, 2017 Grinding chatter reduces the long-term reliability of grinding machines. Detecting the negative effects of chatter requires improved chatter detection techniques.
Huanguo Chen +6 more
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Frontiers in Big Data, 2023 IntroductionFrance has seen two key protests within the term of President Emmanuel Macron: one in 2020 against Islamophobia, and another in 2023 against the pension reform.
Lynnette Hui Xian Ng, Kathleen M. Carley
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Efficient Real-Time Tool Chatter Detection Through Bandpass Filtering
MachinesTool Chatter or Self-Excited Vibration is a common issue in machining processes. This phenomenon arises due to various factors, such as tool rigidity, depth of cut, spindle speed, etc., leading to poor surface finish, excessive tool wear, and premature ...
Javier Arenas +3 more
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, 2023 An efficient stability analysis contributes to the improvement of machining stability and chatter suppression. First, this paper presents three chatter detection approaches that were developed on the application of wavelet transforms.
Wang, Y +4 more
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Chatter detection in milling processes—a review on signal processing and condition classification
, 2023 Among the diverse challenges in machining processes, chatter has a significant detrimental effect on surface quality and tool life, and it is a major limitation factor in achieving higher material removal rate.
Dao, Dzung Viet +3 more
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Proposal of novel chatter stability indices of spindle speed variation based on its chatter growth characteristics [PDF]
, 2020 Chatter is one of the most critical problems that causes poor surface quality and restriction of machining efficiency. Spindle speed variation (SSV) is a well-known technique for suppression of regenerative chatter. However, in the authors’ understanding,
Jung, Hongjin +3 more
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Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.Quadrotor unmanned aerial vehicle control is critical to maintain flight safety and efficiency, especially when facing external disturbances and model uncertainties. This article presents a robust reinforcement learning control scheme to deal with these challenges.
Yu Cai +3 more
wiley +1 more source
National and local influenza surveillance through Twitter: an analysis of the 2012-2013 influenza epidemic. [PDF]
PLoS ONE, 2013 Social media have been proposed as a data source for influenza surveillance because they have the potential to offer real-time access to millions of short, geographically localized messages containing information regarding personal well-being.
David A Broniatowski +2 more
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