Font Size:
EXPERIMENTAL VERIFICATION OF DAMPING PROPERTIES OF THE NOVEL TUNED MASS DAMPER INERTER DEVICEWITH VARIABLE INERTERTANCE
Last modified: 2017-11-28
Abstract
Keywords: tuned mass damper, inerter, control, mitigation of vibration
ABSTRACT
We perform the experimental verification of the novel tuned mass damper which enables changes of [1]. Characteristic feature of the proposed device is the presence of special type of inerter. This inerter incorporates
a continuously variable transmission that enables stepless changes of inertance. Thus, it enables to adjust the parameters of the damping device to the current forcing characteristic.
We present and describe the experimental rig that consists of the massive main oscillator forced kinematically and the prototype of the investigated damper. We perform a series of dedicated experiments to characterize the device and asses its damping efficiency [2]. Moreover, we perform numerical simulations using the simple mathematical model of investigated system. Comparing the numerical results and the experimental data we legitimize the model and demonstrate the capabilities of the investigated tuned mass damper.
In the last part of the work we consider two different design of the inerter with variable inertance and we show the advantages of and disadvantages of both constructions [3].
Presented results prove that the examined prototype TMD with the inerter and the CVT provides remarkable damping properties in a notably wide range of vibration frequencies. Moreover, the properties of the considered TMD can be reproduced with simple mathematical model which does not require large computational effort. This allow us to claim that the proposed TMD design is robust and can be applied in many different areas.
Acknowledgement
The work is supported by National Science Centre, Poland - project No. 015/17/B/ST8/03325
References
[1] P. Brzeski, T. Kapitaniak, P. Perlikowski: "Novel type of tuned mass damper with inerter which enables changes of inertance", Journal of Sound and Vibration 349, 56-66 (2015).
[2] P. Brzeski, M. Lazarek, P. Perlikowski: "Experimental study of the novel tuned mass damper with inerter which enables changes of inertance", submitted.
[3] M. Lazarek, P. Brzeski, P. Perlikowski: "Comparison of different design of inerter with variable inertance -
a case study", in preparation.
ABSTRACT
We perform the experimental verification of the novel tuned mass damper which enables changes of [1]. Characteristic feature of the proposed device is the presence of special type of inerter. This inerter incorporates
a continuously variable transmission that enables stepless changes of inertance. Thus, it enables to adjust the parameters of the damping device to the current forcing characteristic.
We present and describe the experimental rig that consists of the massive main oscillator forced kinematically and the prototype of the investigated damper. We perform a series of dedicated experiments to characterize the device and asses its damping efficiency [2]. Moreover, we perform numerical simulations using the simple mathematical model of investigated system. Comparing the numerical results and the experimental data we legitimize the model and demonstrate the capabilities of the investigated tuned mass damper.
In the last part of the work we consider two different design of the inerter with variable inertance and we show the advantages of and disadvantages of both constructions [3].
Presented results prove that the examined prototype TMD with the inerter and the CVT provides remarkable damping properties in a notably wide range of vibration frequencies. Moreover, the properties of the considered TMD can be reproduced with simple mathematical model which does not require large computational effort. This allow us to claim that the proposed TMD design is robust and can be applied in many different areas.
Acknowledgement
The work is supported by National Science Centre, Poland - project No. 015/17/B/ST8/03325
References
[1] P. Brzeski, T. Kapitaniak, P. Perlikowski: "Novel type of tuned mass damper with inerter which enables changes of inertance", Journal of Sound and Vibration 349, 56-66 (2015).
[2] P. Brzeski, M. Lazarek, P. Perlikowski: "Experimental study of the novel tuned mass damper with inerter which enables changes of inertance", submitted.
[3] M. Lazarek, P. Brzeski, P. Perlikowski: "Comparison of different design of inerter with variable inertance -
a case study", in preparation.