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نمایش تعداد 1-10 از 66

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    Vibrational analysis of Electrically Actuated Microplates, an Extended Kantorovich Approach 

    نوع: Conference Paper
    نویسنده : حمید معین فرد; M. Taghi Ahmadian; Hamid Moeenfard
    سال: 2009
    خلاصه:

    This paper presents an extended Kantorovich approach to investigate the vibrational behavior of electrically actuated rectangular microplates. The model accounts for the electric force of the excitation and for the applied ...

    Nonlinear Pull-In Behavior of Deformable Micro-Electro-Mechanical Variable Loading Beam 

    نوع: Conference Paper
    نویسنده : عمران خوشروی غیاثی; مسعود طهانی; emran khoshrouye Ghiasi; Masoud Tahani
    سال: 2017
    خلاصه:

    This paper investigates dynamic pull-in instability of MEMS incorporating squeeze film

    damping effects and electrostatic actuation. To this end, an Euler-Bernoulli beam model is

    employed within the von-Kármán geometric non...

    An alternative reduced order model for electrically actuatedmicro-beams under mechanical shock 

    نوع: Journal Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2014
    خلاصه:

    This study focuses on the effect of mechanical shock on dynamic pull-in instability of eclectically actuatedmicro-beams through an alternative reduced order model (ROM). The model’s predictions for dynamicpull-in voltages ...

    Size-dependent dynamic pull-in analysis of beam-type MEMS under mechanical shock based on the modified couple stress theory 

    نوع: Journal Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2015
    خلاصه:

    Size-dependent stability analysis of a fully clamped micro-electro-mechanical beam under

    the effect of shock acceleration pulse is the objective of present paper. The size-dependent

    Euler–Bernoulli beam model ...

    BEYOND PULL-IN STABILIZATION OF DUAL AXIS MICROMIRRORS USING FUZZY CONTROLLERS 

    نوع: Conference Paper
    نویسنده : حمید معین فرد; M. Taghi Ahmadian; A. Soroush; A. Alasty; Hamid Moeenfard
    سال: 2010
    خلاصه:

    Dual axis micromirrors are actuated using strongly nonlinear

    electrostatic actuation and their operating range suffers from

    the pull-in problem. So investigation of their dynamics and

    control issues has become a challenge...

    APPLICATION OF THE EXTENDED KANTOROVICH METHOD TO THE VIBRATIONAL ANALYSIS OF ELECTRICALLY ACTUATED MICROPLATES 

    نوع: Conference Paper
    نویسنده : M. Behzad; حمید معین فرد; M. Taghi Ahmadian; Hamid Moeenfard
    سال: 2009
    خلاصه:

    This paper presents an extended Kantorovich approach to

    investigate the vibrational behavior of electrically actuated

    rectangular microplates. The model accounts for the electric

    force of the excitation ...

    Closed-form solutions for static pull-in voltage and detachment length of electrostatically actuated nano-cantilevers under the effect of vdw attarction 

    نوع: Conference Paper
    نویسنده : امیررضا عسکری; مسعود طهانی; Amir Reza Askari; Masoud Tahani
    سال: 2015
    خلاصه:

    This study focuses on the static pull-in instability of electrostatically actuated nano-cantilevers subjected to the van der Waals (vdW) attraction. For this aim, the equivalent mass-spring model with equivalent mechanical properties is considered...

    Analytical modeling of static behavior of electrostatically actuated nano/micromirrors considering van der Waals forces 

    نوع: Journal Paper
    نویسنده : حمید معین فرد; Mohammad Taghi Ahmadian; Hamid Moeenfard
    سال: 2012
    خلاصه:

    In this paper, the effect of van der Waals (vdW) force on the pull-in behavior of electrostatically actuated nano/micromirrors is investigated. First, the minimum potential energy principle is utilized to find the equation governing the static...

    Evaluation of second-order visual features for land-use classification 

    نوع: Conference Paper
    نویسنده : Negrel, R. , Picard, D. , Gosselin, P.-H.
    ناشر: IEEE
    سال: 2014

    Mechanical Response of a Piezoelectrically Sandwiched Nano-beam Based on the Nonlocal Theory 

    نوع: Conference Paper
    نویسنده : Shah-Mohammadi-Azar, a; Khanchehgardan, a; Rezazadeh, g; Shabani, r
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