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research-article

Stability analysis of tribosystem based on the energy feature of friction vibration

[+] Author and Article Information
Ting Liu

Marine Engineering College, Dalian Maritime University, No. 1 Linghai Road, Dalian 116026, Liaoning, China
liutingltltltlt@163.com

Guobin Li

Marine Engineering College, Dalian Maritime University, No. 1 Linghai Road, Dalian 116026, Liaoning, China
guobinli88@163.com

Haijun Wei

Merchant Marine College, Shanghai Maritime University, Shanghai 200135, China
liutingltltltlt@126.com

Pengfei Xing

Marine Engineering College, Dalian Maritime University, No. 1 Linghai Road, Dalian 116026, Liaoning, China
feigegarnett@163.com

1Corresponding author.

ASME doi:10.1115/1.4035309 History: Received October 23, 2016; Revised November 04, 2016

Abstract

The tribosystem stability in different wear stages was analyzed by friction vibration energy feature, which was extracted from the phase-space-matrix of friction vibration attractor with singular value decomposition. An energy feature parameter K of friction vibration was defined as the norm of the singular value feature vector and the variation of K in different wear stages was also investigated in this manuscript. Results show that K becomes larger in the running-in wear stage, friction vibration energy becomes higher, and tribosystem stability gets worse; K fluctuates smoothly and steadily in the stable wear stage, friction vibration energy is stable, and tribosystem is dynamically stable; K increases sharply in the severe wear stage, friction vibration energy increases dramatically, and tribosystem stability decreases greatly. Therefore, friction vibration energy can reflect the tribosystem stability in different wear stages with the energy feature parameter K.

Copyright (c) 2016 by ASME
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