Fault features analysis of a compound planetary gear set with damaged planet gears

被引：18
作者：
Li, Guoyan [1 ]
Li, Fangyi [1 ]
Liu, Haohua [1 ]
Dong, Dehao [1 ]
机构：
[1] Shandong Univ, Minist Educ, Key Lab High Efficiency & Clean Mech Mfg, Sch Mech Engn, Jinan, Shandong, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2018年 / 232卷 / 09期
关键词：
Compound planetary gear set; nonlinear dynamic model; time-varying mesh stiffness; fault features; damaged planet; FEATURE-SELECTION; TOOTH CRACK; DIAGNOSIS; SIGNAL; GEARBOXES; SIMULATION; FREQUENCY;
D O I：
10.1177/0954406217705906
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The fault properties of compound planetary gear set are much more complicated than the simple planetary gear set. A damaged planet will induce two periodic transient impulses in the raw signals and generates modulation sidebands around the mesh harmonics. This paper aims to investigate the fault properties of a compound planetary gear set in damaged planet conditions. A dynamic model is proposed to simulate the vibration signals. The time interval between the fault-induced close impulses in the time domain is used as a significant feature to locate the faulty planet. Considering the phase relations, the time-varying mesh stiffness is obtained. Then, the fault properties are demonstrated in the simulation, and the theoretical derivations are experimentally verified.
引用
收藏
页码：1586 / 1604
页数：19
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