摘要
研究了Ｈｏｌｍ ｅｓ型Ｄｕｆｆｉｎｇ 振子的混沌及间歇混沌运动，发现参考信号与摄动信号间的微小角频率差是振子产生间歇混沌的原因。得出振子相变对与参考信号具有微小角频率差的小信号敏感，而对随机噪声和与参考信号角频率差较大的周期干扰信号具有免疫力的结论。通过辨别振子对的间歇混沌运动可对齿轮偏心及单齿缺陷故障进行诊断与识别。
The chaos and the intermittent chaos motions of the Holmes type Duffing oscillator are researched. It is founded that the tiny angular frequency difference between the referential signal and the disturbing signal is the reason of the intermittent chaos. It is concluded that the oscillator phase transform is sensitive to the small signal having the tiny angular frequency difference with the referential signal, but immune against the random noise and the larger interference signal having larger angular frequency difference with the referential signal. The gear off center and the singletooth faults can be diagnosed and identified through distinguishing the intermittent chaos of the pair of oscillators.
出处
《机械工程学报》
EI
CAS
CSCD
北大核心
1999年第6期44-47,共4页
Journal of Mechanical Engineering
基金
国家自然科学基金!69872031
关键词
杜芬振子
间歇混沌
故障诊断
齿轮
Duffing oscillator Intermittent chaos Fault diagnosis Gear
