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Frequency domain control based on quantitative feedback theory for vibration suppression in structures equipped with magnetorheological dampers

机译:基于定量反馈理论的磁场流变阻尼器结构振动抑制的频域控制

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摘要

This paper addresses the problem of designing quantitative feedback theory (QFT) based controllers for the vibration reduction in a structure equipped with an MR damper. In this way, the controller is designed in the frequency domain and the natural frequencies of the structure can be directly accounted for in the process. Though the QFT methodology was originally conceived of for linear time invariant systems, it can be extended to nonlinear systems. A new methodology is proposed for characterizing the nonlinear hysteretic behavior of the MR damper through the uncertainty template in the Nichols chart. The resulting controller performance is evaluated in a real-time hybrid testing experiment. 2009 IOP Publishing Ltd.
机译:本文解决了设计基于定量反馈理论(QFT)的控制器以减少装有MR阻尼器的结构中的振动的问题。通过这种方式,可以在频域中设计控制器,并且可以在此过程中直接考虑结构的固有频率。尽管QFT方法最初是为线性时不变系统构想的,但可以扩展到非线性系统。提出了一种新的方法,通过Nichols图中的不确定性模板来表征MR阻尼器的非线性滞后行为。在实时混合测试实验中评估所得的控制器性能。 2009 IOP出版有限公司

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