کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
785221 1465366 2011 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Suppression of pull-in in a microstructure actuated by mechanical shocks and electrostatic forces
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Suppression of pull-in in a microstructure actuated by mechanical shocks and electrostatic forces
چکیده انگلیسی

This work investigates the effect of a high-frequency voltage (HFV) on the pull-in instability in a microstructure actuated by mechanical shocks and electrostatic forces. The microstructure is modelled as a single-degree-of-freedom mass-spring-damper system. The method of direct partition of motion is used to split the fast and slow dynamics. Analysis of steady-state solutions of the slow dynamic allows the investigation of the influence of the HFV on the pull-in. The results show that adding HFV rigidifies the system, creates new stable equilibria and suppresses the pull-in instability for adequate high-frequency voltages. To illustrate the applicability of the result, a specific capacitive microelectromechanical system consisting of a clamped–clamped microbeam is considered.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Non-Linear Mechanics - Volume 46, Issue 2, March 2011, Pages 407–414
نویسندگان
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