Results 241 to 250 of about 37,684 (309)
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Chattering about SIGINT

IEEE Security & Privacy Magazine, 2006
A review of the book, "Chatter: Dispatches from the Secret World of Global Eavesdropping," by Patrick Radden Keefe.
openaire   +1 more source

Early chatter identification based on an optimized variational mode decomposition

Mechanical Systems and Signal Processing, 2019
Y. Kai   +4 more
exaly   +2 more sources

Interference- and chatter-free cutter posture optimization towards minimal surface roughness in five-axis machining

, 2020
Five-axis CNC machining of sculptured surfaces plays a significant role in aerospace industry, such as blisk machining. The key issue involved is the determination of cutter posture in tool path planning.
Zengya Zhao   +6 more
semanticscholar   +1 more source

An averaging approach to chattering

IEEE Transactions on Automatic Control, 2001
Sliding mode control systems with fast actuators are modeled as singularly perturbed relay control systems. Sufficient conditions for stability of fast periodic solutions to the singularly perturbed system are found. The corresponding averaged equations are introduced.
openaire   +1 more source

Mode coupling chatter suppression for robotic machining using semi-active magnetorheological elastomers absorber

Mechanical systems and signal processing, 2019
Chatter is one of the major barriers for robotic machining process. As the dominant vibration frequency of the chatter varies under different working conditions, Magnetorheological elastomers (MREs) whose stiffness is adjustable is an ideal device to be ...
Lei Yuan   +5 more
semanticscholar   +1 more source

Online Chatter Detection for Milling Operations Using LSTM Neural Networks Assisted by Motor Current Signals of Ball Screw Drives

, 2020
For certain combinations of cutter spinning speeds and cutting depths in milling operations, self-excited vibrations or chatter of the milling tool are generated.
R. Vashisht, Q. Peng
semanticscholar   +1 more source

Chatter detection methods in the machining processes: A review

Journal of Manufacturing Processes, 2022
Wei-Kang Wang   +3 more
semanticscholar   +1 more source

An adaptive, artificial intelligence-based chatter detection method for milling operations

The International Journal of Advanced Manufacturing Technology, 2022
P. Stavropoulos   +4 more
semanticscholar   +1 more source

Chattering with children

Early Years Educator, 2015
Inspection evidence reveals that what makes the most difference to children is the quality of the interaction between adults and children, which leads to them developing good early language skills.
openaire   +1 more source

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