Cutting process dynamics by nonlinear time series and wavelet analysis
Artykuł w czasopiśmie
Status: | |
Autorzy: | Sen Asok K., Litak Grzegorz, Syta Arkadiusz |
Rok wydania: | 2007 |
Wersja dokumentu: | Drukowana | Elektroniczna |
Język: | angielski |
Numer czasopisma: | 2 |
Wolumen/Tom: | 17 |
Strony: | 1 - 8 |
Impact Factor: | 2,188 |
Web of Science® Times Cited: | 19 |
Scopus® Cytowania: | 21 |
Bazy: | Web of Science | Scopus |
Efekt badań statutowych | NIE |
Materiał konferencyjny: | NIE |
Publikacja OA: | NIE |
Abstrakty: | angielski |
We have modeled the dynamics of a cutting process by a two-degree-of-freedom mass-spring system with dry friction. Using nonlinear time series and wavelet analysis, we have investigated the vibrational instabilities of the system for different values of the cutting force. By constructing the phase portraits and calculating the Lyapunov exponents we have delineated the conditions for which a periodic or chaotic motion can occur. The results are verified by means of a time-scale representation of the wavelet power spectrum. |