کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
784144 1465416 2006 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Vibration control for parametrically excited Liénard systems
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Vibration control for parametrically excited Liénard systems
چکیده انگلیسی

We apply a new vibration control method for time delay non-linear oscillators to the principal resonance of a parametrically excited Liénard system under state feedback control with a time delay. Using the asymptotic perturbation method, we obtain two slow flow equations on the amplitude and phase. Their fixed points correspond to limit cycles for the Liénard system. Vibration control and high-amplitude response suppression can be performed with appropriate time delay and feedback gains. Using energy considerations, we investigate existence and characteristics of limit cycles of the slow flow equations. A limit cycle corresponds to a two-period quasi-periodic modulated motion for the starting system and in order to reduce the amplitude peak of the parametric resonance and to exclude the existence of two-period quasi-periodic motion, we find the appropriate choices for the feedback gains and the time delay.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Non-Linear Mechanics - Volume 41, Issue 1, January 2006, Pages 146–155
نویسندگان
,