Friction-induced vibration energy harvesting of a high-speed train brake system via a piezoelectric cantilever beam

被引：29

作者：

Xiang, Z. Y. ^{[1
,2
]}

Mo, J. L. ^{[1
,2
]}

Qian, H. H. ^{[1
,2
]}

Chen, W. ^{[1
,2
]}

Luo, D. B. ^{[1
,2
]}

Zhou, Z. R. ^{[1
,2
]}

机构：

[1] Southwest Jiaotong Univ, Tract Power State Key Lab, Chengdu 610031, Peoples R China

[2] Southwest Jiaotong Univ, Tribol Res Inst, Sch Mech Engn, Chengdu 610031, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2021年 / 162卷

基金：

中国国家自然科学基金;

关键词：

High-speed train; PZT cantilever beam; Friction-induced vibration and noise; Energy harvesting; STICK-SLIP; CONTACT; REDUCTION; WEAR; INSTABILITY; PREDICTION; FREQUENCY; DYNAMICS; SURFACE; MODEL;

D O I：

10.1016/j.triboint.2021.107126

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Vibration reduction and energy harvesting were achieved by installing a piezoelectric cantilever beam (PZTbeam). Experimental work was carried out on a self-developed tribology and dynamic behavior simulation test device. Finite element (FE) model and numerical simulation model were established to analyze the effect of the PZT-beam on the dynamical response, system stability and the vibration energy harvesting performance of the brake system. The experimental and simulation results show that friction-induced vibration (FIV) can be reduced via a PZT-beam, and the vibration energy can be converted into electrical energy through the deformation of the PZT-beam. The PZT-beam can significantly reduce the real part of the complex eigenvalues of the brake system without significantly changing the unstable vibration frequency and mode shape.

引用

页数：25

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