Experimental and numerical simulation analysis of the dynamic characteristics of a new piezoelectric friction damper

Jianbo Dai; Zewen Zhao; Hao Wang; Jing Ma; Xuhao Liang

Experimental and numerical simulation analysis of the dynamic characteristics of a new piezoelectric friction damper

Authors

Jianbo Dai School of Civil Engineering, Xi’an Shiyou University https://orcid.org/0009-0008-1501-9376
Zewen Zhao School of Mechanical Engineering, Xi’an Shiyou University https://orcid.org/0009-0002-7119-5397
Hao Wang School of Mechanical Engineering, Xi’an Shiyou University https://orcid.org/0009-0008-6354-7771
Jing Ma School of Mechanical Engineering, Xi’an Shiyou University https://orcid.org/0009-0005-9259-3791
Xuhao Liang School of Mechanical Engineering, Xi’an Shiyou University https://orcid.org/0009-0002-6142-8062

Abstract

Based on the inverse piezoelectric effect and other characteristics of piezoelectric ceramics, a new type of piezoelectric variable friction damper is developed, and the output performance test of piezoelectric ceramic actuator and piezoelectric variable friction damper is carried out, and the parametric mechanical model of the damper is established by using Simulink to carry out numerical simulation, and compared and analyzed with the test results. The results of the study show that the simulation and the test present a good regular agreement. With the increment of loading voltage, the displacement deformation and zero-displacement thrust of piezoelectric ceramic actuator are approximately linear with the loading voltage; when the loading voltage is increased by 15V every time, the test value of the output damping force of the damper increases by 259.66N on average step by step, and the simulated value increases by 256.14N step by step, and the damping force has a linearly incremental relationship with the voltage and the slope of the linear increase is 16.434.

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Published

2023-11-28

Issue

Vol. 21 No. 1 (2024)

Section

Articles

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