نتایج جستجو برای: backlash like hysteresis
تعداد نتایج: 667226 فیلتر نتایج به سال:
The problem of creating chaos for a class of nonlinear systems with backlash function is studied in this paper. By utilizing the characteristic of backlash function, some criteria for guaranteing the nonlinear system to be horseshoe type of chaos are derived based on S̆i’lnikov heterclinic theorem and S̆i’lnikov homoclinic theorem. Examples and simulations are given to illustrate the effectivenes...
The hysteresis or internal friction in the deformation of crystalline solids stressed cyclically is studied from the viewpoint of collective dislocation dynamics. Stress-controlled simulations of a dislocation dynamics model at various loading frequencies and amplitudes are performed to study the stress-strain rate hysteresis. The hysteresis loop areas exhibit a maximum at a characteristic freq...
جعبه دنده ها در رباتها و دیگر مکانیزمها به منظور تبدیل گشتاور محرک و همچنین انتقال قدرت از یک محور به محور دیگر مورد استفاده قرار میگیرند. وجود backlash در میان چرخ دنده های درگیر میتواند باعث عواملی چون ضربه، کاهش پایداری سیستم، ایجاد noise و ارتعاشهای نامطلوب گردد. اثرات نامطلوب backlash همچنین موجب کاهش تکرارپذیری (repeatability) و دقت یک سیستم چرخ دنده ای می گردد. با افزایش نیاز...
Based on the Preisach theory in hysteresis, this paper presents a novel transformer core model. Unlike existing mathematical-based hysteresis models, the proposed model is based on a physically correct hysteresis model and can precisely represent the actual behaviors of magnetic materials. In addition, the experimental results of a ferroresonance test of a Voltage Transformer (VT) are presented...
This study demonstrates the early transient dynamic loading on teeth within a fixed-axis gear transmission arising from backlash and geometric manufacturing errors by utilizing a non-linear multi-body dynamics software model. Selection of the non-linear contact parameters such as the stiffness, force exponent, damping, and friction coefficients are presented for a practical transmission. Backla...
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