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Stabilization of a vibrating non-classical micro-cantilever using electrostatic actuation
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نویسنده
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Vatankhah R. ,Karami F. ,Salarieh H. ,Alasty A.
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منبع
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scientia iranica - 2013 - دوره : 20 - شماره : 6- B - صفحه:1824 -1831
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چکیده
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A closed-loop control methodology is investigated for stabilization ofa vibrating non-classical micro-scale euler-bernoulli beam with nonlinear electrostaticactuation. the dimensionless form of governing nonlinear partial dierential equation(pde) of the system is introduced. the galerkin projection method is used to reduce thepde of system to a set of nonlinear ordinary dierential equations (ode). in non-classicalmicro-beams, the constitutive equations are obtained based on the non-classical continuummechanics. in this work, proper control laws are constructed to stabilize the free vibrationof non-classical micro-beams whose governing pde is derived based on the modied straingradient theory as one of the most inclusive non-classical continuum theories. numericalsimulations are provided to illustrate the eectiveness and performance of the designedcontrol scheme. also, the results have been compared with those obtained by the classicalmodel of micro-beam.
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کلیدواژه
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Vibration control; ,Non-classical micro-beam; ,Galerkin projection; ,Electrostatic actuation.
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آدرس
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sharif university of technology, PhD degrees in Mechanical Engineering from Sharif University of Technology,, ایران, sharif university of technology, a PhD student in Khajeh Nasir Toosi University of Technology , ایران, sharif university of technology, associate professor in Mechanical Engineering at Sharif University of Technology, ایران, sharif university of technology, professor of Mechanical Engineering at Sharif University of Technology, ایران
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پست الکترونیکی
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aalasti@sharif.edu
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Authors
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