Modeling and modal analysis to oscillations of IPMC cantilever beam and simulating as an actuator

محورهای موضوعی : فصلنامه شبیه سازی و تحلیل تکنولوژی های نوین در مهندسی مکانیک

آرش رجایی ¹ ( Islamic Azad University, Khomeinishahr Branch )
علی مختاریان ² ( Islamic Azad University, Khomeinishahr Branch )
مصطفی پیرمرادیان ³ ( Islamic Azad University, Khomeinishahr Branch )

تاریخ دریافت : 1395/07/12 تاریخ پذیرش : 1395/11/28 تاریخ انتشار : 1395/02/01

کلید واژه: Cantilever beam, Modal Analysis, actuator, IPMC, Transfer function, Dynamics analysis,

چکیده مقاله :

The purpose of this article is modal analysis of ionic polymer metal composite beams, then briefing the system to the unique parameters to help in up modeling of the actuator. In this paper at first using of Mathematical analysis and Closed form transfer function of cantilever beam dynamic response to the forces of different inputs (intensive and continuous) is calculated and for different types of systems resonance and anti-resonance points in frequency analysis are found, then with using modal analysis of system the entire response is briefed in the basic mode and parameters of un-damped natural frequency and damping coefficient in this mode is to introduced for the system, after the cantilever composite beam considered as an operator with the input voltage, displacement and produces a force on the free end, By observing the behavior of the system, analyzed responses to the inputs

چکیده انگلیسی:

هدف این مقاله تحلیل مودال تیر از جنس پلیمر-یونی فلزی است، سپس سیستم را به یک مود با پارامترهای منحصربه­فرد خود خلاصه کرده تا در شبیه سازی عملگر به ما کمک کند. در این مقاله ابتدا با استفاده از تحلیل ریاضی و فرم بسته تابع تبدیل سیستم تیر یکسر گیردار، پاسخ دینامیکی آن را به نیروهای ورودی مختلف (متمرکز و پیوسته) محاسبه کرده و برای انواع مختلف سیستم، نقاط تشدید و ضد­تشدید را در تحلیل فرکانسی پیدا می­شود، سپس با استفاده از آنالیز مودال در سیستم، کل پاسخ آن­را در مود پایه خلاصه کرده و پارامترهای فرکانس طبیعی نامیرا و ضریب میرایی در این مود برای سیستم معرفی می­شود، سپس تیر یکسر­گیردار کامپوزیتی را به عنوان یک عملگر در نظر گرفته می­شود که با ولتاژ ورودی، تغییر مکان و نیرو در سر آزاد خود ایجاد می­کند که با بررسی پاسخ­ها به ورودی­ها، رفتار سیستم تحلیل می­شود

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