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Analysis of vibrational resonance in a fractional-order bistable system with time delay feedback

机译:具有时滞反馈的分数阶双稳态系统的振动共振分析

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Under the excitations of biharmonical signals, vibrational resonance is investigated in a fractional-order bistable system with time delay feedback. At first, the response amplitude of the system is obtained by the method of separation of slow and fast motions. Then, through numerical simulation, it indicates that the theoretical predications are in good agreement with the numerical results. If the time delay feedback is fixed, the action of the fractional-order damping leads to single-or double-resonance appears. Otherwise, if the time delay parameter is a controllable parameter, it induces the response amplitude varying with two periodic patterns.
机译:在双谐波信号的激励下,在具有时滞反馈的分数阶双稳态系统中研究了振动共振。首先,通过分离慢速运动和快速运动的方法来获得系统的响应幅度。然后,通过数值模拟,表明理论预测与数值结果吻合良好。如果延时反馈固定,则分数阶阻尼的作用会导致单共振或双共振。否则,如果时间延迟参数是可控制的参数,则它会引起响应幅度随两个周期性模式而变化。

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