An innovative semiactive device, named the spindle adaptive tuned vibration absorber (SATVA), is proposed herein, having the potential of attenuating unfavorable vibrations of the host systems. The proposed device includes a preferably spindle‐shaped body of mass, whose mass moment of inertia can be altered simply by moving a pair of rotating supports. Therefore, the natural frequency of the device can be altered with a fairly low power consumption. A comprehensive analytical approach is employed in order to derive the governing equations of motion of the device, considering physical and practical issues. Through a numerical case study, it is demonstrated that the device is capable of reducing unfavorable vibrations of a rotating machinery during start‐up, while requiring considerably less amount of physical mass, compared with conventional absorbers. In addition, the spindle adaptive tuned vibration absorber has a quite rapid adaptation mechanism in comparison with other adaptive‐mass tuned vibration absorbers. Provided that its absolute acceleration during operation can be kept within reasonable limits to prevent slipping, this device is capable of finding different applications in various engineering disciplines.

中文翻译：

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具有可变质量惯性矩的创新型自适应调谐振动吸收器，用于减轻系统的瞬态响应

本文提出了一种创新的半主动装置，称为主轴自适应调谐减振器（SATVA），具有减轻主机系统不利振动的潜力。所提出的装置包括一个最好是纺锤形的质量体，其质量惯性矩可以简单地通过移动一对旋转的支撑件来改变。因此，可以以相当低的功耗来改变设备的固有频率。考虑到物理和实际问题，采用了一种综合的分析方法来得出设备运动的控制方程。通过数值案例研究，表明该设备能够减少启动过程中旋转机械的不利振动，同时所需的物理量要少得多，与传统的吸收器相比。此外，与其他自适应质量调谐减振器相比，主轴自适应调谐减振器具有相当快的自适应机制。只要可以将其在运行过程中的绝对加速度保持在合理范围内以防止打滑，那么该设备就可以在各种工程学科中找到不同的应用。