Results 81 to 90 of about 12,361 (269)

A review of chatter suppression in thin-wall milling: strategies, mechanisms, and applications

International Journal of Extreme Manufacturing
Thin-walled parts have been widely employed as critical components in high-performance equipment due to the high specific strength and light weight. However, owing to their relatively weak rigidity and poor damping properties, chatter vibration is likely
Yuwen Sun, Shichao Yan, Shuoxue Sun, Jinbo Niu, Jinting Xu, Mansen Chen, Jun Liu, Dongming Guo   +7 more
doaj   +1 more source

Efficient Real-Time Tool Chatter Detection Through Bandpass Filtering

Machines
Tool 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, Jorge Martínez de Alegría, Patxi X. Aristimuño, Vicente Gómez   +3 more
doaj   +1 more source

Simulation of low rigidity part machining applied to thin-walled structures [PDF]

, 2010
The aim of this study is to evaluate the modelling of machining vibrations of thin-walled aluminium work- pieces at high productivity rate. The use of numerical simulation is generally aimed at giving optimal cutting conditions for the precision and the ...
Arnaud, Lionel, Lionel Arnaud, Grégoire Peigné, Sébastien Seguy, Peigné, Grégoire, Gonzalo, Oscar, Oscar Gonzalo, Haritz Jauregi, Seguy, Sébastien, Jauregi, Haritz   +9 more
core   +1 more source

Suitable habitat of Himalayan wolf in Upper Mustang, Annapurna Conservation Area, Nepal

Wildlife Biology, EarlyView.
Decades ago, the Himalayan wolf Canis lupus chanco, a genetically distinct sub‐species of the gray wolf Canis lupus, faced persecution by local communities in the Nepalese Himalayas. Recently, wolf populations have returned and recolonized, sparking concerns about conflicts over livestock depredation, and emphasizing the urgent need for comprehensive ...
Deu Bahadur Rana, Jhamak Bahadur Karki, HimLal Shrestha, Thakur Silwal, Bikash Ghimire, Bikram Shrestha   +5 more
wiley   +1 more source

AI‐enabled bumpless transfer control strategy for legged robot with hybrid energy storage system

CAAI Transactions on Intelligence Technology, EarlyView.
Abstract Designing Hybrid energy storage system (HESS) for a legged robot is significant to improve the motion performance and energy efficiency of the robot. However, switching between the driving mode and regenerative braking mode in the HESS may generate a torque bump, which has brought significant challenges to the stability of the robot locomotion.
Zhiwu Huang, Zi Yu, Hui Peng, Zixuan Wang, Xiaokang Dai, Weirong Liu, Jing Wang   +6 more
wiley   +1 more source

Bursting Oscillation Characteristics and Improved AHODFC for DFIG and PMSG Combined Wind Farm

Energy Internet, EarlyView.
ABSTRACT Bursting oscillations occur in DFIG and PMSG combined wind farm under external disturbances and lead to the instability problems. To reveal the bursting oscillation characteristics and develop a suppression method, a fast‐slow dynamics analysis method and an improved adaptive high‐order differential feedback controller (AHODFC) based on ...
Kun Wang, Wei Chen, Jiangtao Li, Zhanhong Wei   +3 more
wiley   +1 more source

Chatter Vibration Monitoring in the Surface Grinding Process through Digital Signal Processing of Acceleration Signal

Proceedings, 2017
The grinding process is a manufacturing process that is performed at the end of the machining chain. In such step, the workpiece has a high added-value and therefore critical problems are not allowed, as they may lead to scrap and significant financial ...
Felipe Aparecido Alexandre, Wenderson Nascimento Lopes, Fábio Isaac Ferreira, Fábio R. L. Dotto, Paulo Roberto de Aguiar, Eduardo Carlos Bianchi   +5 more
doaj   +1 more source

Goose herbivory alters soil microbial community functional potential in a sub‐Arctic wetland

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Herbivory alters below‐ground resource dynamics via direct and indirect mechanisms, yet its effects on microbial functional potential remain poorly understood. This limits our understanding of the mechanisms that link animal, plant and microbial functional roles in ...
Jaron Adkins, Bonnie G. Waring, Karen H. Beard, Ryan T. Choi, Taylor Saunders, Emily A. Chavez, Lindsay R. Miller, Edd Hammill, Trisha B. Atwood   +8 more
wiley   +1 more source

From Nouns and Adjectives to Verbs: Base Effects on the Grammatical Behaviour of Denominal Verbs in Ancient Greek1

Transactions of the Philological Society, EarlyView.
Abstract This paper investigates the role of semantic features of noun and adjective bases in determining the grammatical behaviour of Ancient Greek denominal and deadjectival verbs in *‐ye/o‐. The paper adopts a lexicalist framework (Rappaport Hovav & Levin 1998) and examines how the event schema, actionality, telicity and voice of derived verbs are ...
Carolina Marescotti
wiley   +1 more source

PENGARUH PUTARAN SPINDEL, GERAK MAKAN DAN SUDUT MATA PAHAT TERHADAP GETARAN BENDA KERJA ALUMINIUM 6061 PADA PROSES DRILLING

Rotor: Jurnal Ilmiah Teknik Mesin, 2014
Chatter in drilling process due to excitation, both from within and from outside the system but the resulting chatter effect is very dependent on the excitation frequency and the elements of the cheater system itself .
Agung Eko Hadiyoto, Santoso Mulyadi
doaj