摘要
第一章 故障診斷現(xiàn)狀及技術(shù)簡介........................................................................
1.1 旋轉(zhuǎn)機(jī)械故障診斷的研究意義........................................................................
1.2 故障診斷的發(fā)展現(xiàn)狀及概況............................................................................
1.3 機(jī)械系統(tǒng)故障的特點(diǎn).........................................................................................
1.4 故障診斷時(shí)域分析方法發(fā)展………………………………………………….
1.5 本論文研究的主要內(nèi)容………………………………………………………..
第二章 轉(zhuǎn)動(dòng)機(jī)械故障機(jī)理及故障分析...................................................................
2.1轉(zhuǎn)動(dòng)機(jī)械故障的來源及主要原因.......................................................................
2.2滾動(dòng)軸承故障機(jī)理................................................................................................
2.3 滾動(dòng)軸承失效的基本形式…………………......................................................
2.4 滾動(dòng)軸承的振動(dòng)機(jī)理….......................................................................................
2.5小波分析簡介.........................................................................................................
2.6本章小結(jié)……........................................................................................................
第三章 時(shí)域分析在故障診斷的應(yīng)用.........................................................................
3.1時(shí)域分析方法概述……………….........................................................................
3.2時(shí)間序列的統(tǒng)計(jì)分析…………….........................................................................
3.3時(shí)域信號(hào)的無量綱參數(shù)指標(biāo)..................................................................................
3.4本章小結(jié).................................................................................................................
第四章 小波處理信號(hào)的方法………………….........................................................
4.1 連續(xù)小波變換和離散小波變換………………………………………………….
4.2小波分解與小波包分解…………………………………………….....................
4.3小波基的選擇.........................................................................................................
4.4 小波變換在軸承故障診斷中的應(yīng)用……………………………………………
4.5小波包在軸承故障診斷中的應(yīng)用……………………………………………..
4.6本章小結(jié)………………………………………………………………………….
第五章 結(jié)論與展望......................................................................................................
致謝................................................................................................................................