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Exact Solution of Impulse Response to a Class of Fractional Oscillators and Its Stability

机译:一类分数阶振荡器的脉冲响应的精确解及其稳定性

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摘要

Oscillator of single-degree-freedom is a typical model in system analysis. Oscillations resulted from differential equations with fractional order attract the interests of researchers since such a type of oscillations may appear dramatic behaviors in system responses. However, a solution to the impulse response of a class of fractional oscillators studied in this paper remains unknown in the field. In this paper, we propose the solution in the closed form to the impulse response of the class of fractional oscillators. Based on it, we reveal the stability behavior of this class of fractional oscillators as follows. A fractional oscillator in this class may be strictly stable, nonstable, or marginally stable, depending on the ranges of its fractional order.
机译:单自由度振荡器是系统分析中的典型模型。由分数阶微分方程引起的振动吸引了研究者的兴趣,因为这种类型的振动可能会在系统响应中出现剧烈的行为。然而,本文研究的一类分数阶振荡器的脉冲响应的解决方案在本领域中仍然未知。在本文中,我们提出了封闭形式的分数阶振荡器的脉冲响应解决方案。基于此,我们揭示了这类分数振荡器的稳定性行为,如下所示。这类分数振荡器可以是严格稳定的,不稳定的或略微稳定的,具体取决于其分数阶的范围。

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  • 来源
    《Mathematical Problems in Engineering》 |2011年第2期|p.1-9|共9页
  • 作者单位

    School of Information Science and Technology, East China Normal University, no. 500, Dong-Chuan Road, Shanghai 200241, China;

    28 Farrer Road, #05-01, Sutton Place, Singapore 268831;

    College of Computer Science, Zhejiang University of Technology, Hangzhou 310023, China;

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