機(ji)械(xie)故(gu)(gu)障(zhang)(zhang)(zhang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)（2）機(ji)械(xie)傳動(dong)及扭轉(zhuan)(zhuan)特性(xing)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)軸(zhou)(zhou)(zhou)(zhou)(zhou)承、齒輪(lun)等(deng)(deng)部(bu)(bu)件(jian)的(de)(de)壽命研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)不(bu)(bu)(bu)同介(jie)質對軸(zhou)(zhou)(zhou)(zhou)(zhou)承、齒輪(lun)等(deng)(deng)部(bu)(bu)件(jian)的(de)(de)加(jia)速疲(pi)勞磨損(sun)影響研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)滑油(you)(you)系(xi)(xi)(xi)統故(gu)(gu)障(zhang)(zhang)(zhang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：噴油(you)(you)嘴堵塞、滑油(you)(you)泄漏等(deng)(deng)故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)滑油(you)(you)碎屑(xie)故(gu)(gu)障(zhang)(zhang)(zhang)：滑油(you)(you)碎屑(xie)超標故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)油(you)(you)品質量(liang)(liang)(liang)故(gu)(gu)障(zhang)(zhang)(zhang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：油(you)(you)品乳化、粘度(du)下降、水分超標等(deng)(deng)故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)材(cai)料力(li)(li)學研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：多(duo)種應(ying)力(li)(li)測(ce)(ce)量(liang)(liang)(liang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；材(cai)料彈性(xing)常數、撓度(du)測(ce)(ce)量(liang)(liang)(liang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；靈敏系(xi)(xi)(xi)數測(ce)(ce)定研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；內(nei)力(li)(li)素測(ce)(ce)量(liang)(liang)(liang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；瞬態動(dong)應(ying)變和穩態動(dong)應(ying)力(li)(li)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；振(zhen)(zhen)動(dong)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)等(deng)(deng)摩擦力(li)(li)學研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：物體的(de)(de)靜(jing)/動(dong)摩擦系(xi)(xi)(xi)數、及加(jia)速度(du)測(ce)(ce)定研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)磁(ci)(ci)懸浮(fu)碰撞(zhuang)力(li)(li)學研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：磁(ci)(ci)力(li)(li)物的(de)(de)初速度(du)、末速度(du)和加(jia)速度(du)測(ce)(ce)定研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；磁(ci)(ci)力(li)(li)物的(de)(de)彈性(xing)/完全非彈性(xing)碰撞(zhuang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)；驗(yan)證動(dong)量(liang)(liang)(liang)和能(neng)量(liang)(liang)(liang)的(de)(de)守(shou)恒定律軸(zhou)(zhou)(zhou)(zhou)(zhou)系(xi)(xi)(xi)不(bu)(bu)(bu)平(ping)(ping)衡(heng)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：軸(zhou)(zhou)(zhou)(zhou)(zhou)系(xi)(xi)(xi)轉(zhuan)(zhuan)子單面、雙面、多(duo)面質量(liang)(liang)(liang)不(bu)(bu)(bu)平(ping)(ping)衡(heng)、偏心故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)軸(zhou)(zhou)(zhou)(zhou)(zhou)系(xi)(xi)(xi)不(bu)(bu)(bu)對中(zhong)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：軸(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)平(ping)(ping)行(xing)不(bu)(bu)(bu)對中(zhong)、軸(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)角度(du)不(bu)(bu)(bu)對中(zhong)、軸(zhou)(zhou)(zhou)(zhou)(zhou)線(xian)綜(zong)合不(bu)(bu)(bu)對中(zhong)故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)轉(zhuan)(zhuan)軸(zhou)(zhou)(zhou)(zhou)(zhou)故(gu)(gu)障(zhang)(zhang)(zhang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：軸(zhou)(zhou)(zhou)(zhou)(zhou)彎曲、裂紋（不(bu)(bu)(bu)同形狀、不(bu)(bu)(bu)同位置、不(bu)(bu)(bu)同深度(du)）、機(ji)械(xie)摩擦等(deng)(deng)故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)軸(zhou)(zhou)(zhou)(zhou)(zhou)承故(gu)(gu)障(zhang)(zhang)(zhang)研(yan)(yan)(yan)(yan)(yan)(yan)究(jiu)(jiu)(jiu)(jiu)(jiu)：內(nei)圈(quan)、外圈(quan)、保持(chi)架、滾道、滾動(dong)體、潤滑狀況、安裝不(bu)(bu)(bu)良、松動(dong)等(deng)(deng)故(gu)(gu)障(zhang)(zhang)(zhang)模擬(ni)齒輪(lun)通過剛性(xing)轉(zhuan)(zhuan)子振(zhen)(zhen)動(dong)試驗(yan)平(ping)(ping)臺(tai)，博士生可以展示(shi)自己的(de)(de)實(shi)驗(yan)技能(neng)和數據處理能(neng)力(li)(li)。旋轉(zhuan)(zhuan)機(ji)械(xie)轉(zhuan)(zhuan)子試驗(yan)臺(tai)制造商(shang)

轉(zhuan)(zhuan)(zhuan)子(zi)是航(hang)空(kong)發動(dong)(dong)(dong)(dong)機(ji)、燃氣輪機(ji)、汽輪機(ji)、柴油機(ji)、電(dian)機(ji)等(deng)旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)機(ji)械(xie)(xie)的(de)(de)部件，其動(dong)(dong)(dong)(dong)力(li)(li)學(xue)問題(ti)(ti)是旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)機(ji)械(xie)(xie)動(dong)(dong)(dong)(dong)力(li)(li)學(xue)設計中的(de)(de)重(zhong)要內容。轉(zhuan)(zhuan)(zhuan)子(zi)動(dong)(dong)(dong)(dong)力(li)(li)學(xue)是動(dong)(dong)(dong)(dong)力(li)(li)學(xue)的(de)(de)一個分(fen)支(zhi)，主要研究(jiu)(jiu)(jiu)轉(zhuan)(zhuan)(zhuan)子(zi)-支(zhi)承系統(tong)在旋(xuan)(xuan)轉(zhuan)(zhuan)(zhuan)狀態下的(de)(de)振動(dong)(dong)(dong)(dong)、平(ping)衡(heng)和(he)穩定性的(de)(de)問題(ti)(ti)，尤其是研究(jiu)(jiu)(jiu)接近或超過臨界轉(zhuan)(zhuan)(zhuan)速運轉(zhuan)(zhuan)(zhuan)狀態下轉(zhuan)(zhuan)(zhuan)子(zi)的(de)(de)橫向振動(dong)(dong)(dong)(dong)問題(ti)(ti)。本課程將首先介紹(shao)(shao)轉(zhuan)(zhuan)(zhuan)子(zi)動(dong)(dong)(dong)(dong)力(li)(li)學(xue)的(de)(de)發展(zhan)歷程，從(cong)基本概念(nian)出發，重(zhong)點介紹(shao)(shao)轉(zhuan)(zhuan)(zhuan)子(zi)的(de)(de)臨界轉(zhuan)(zhuan)(zhuan)速與(yu)不(bu)平(ping)衡(heng)響(xiang)應(ying)、轉(zhuan)(zhuan)(zhuan)子(zi)的(de)(de)等(deng)效與(yu)建模、支(zhi)撐(cheng)及滑(hua)動(dong)(dong)(dong)(dong)軸承的(de)(de)動(dong)(dong)(dong)(dong)特性系數求解方法、轉(zhuan)(zhuan)(zhuan)子(zi)系統(tong)的(de)(de)不(bu)穩定運動(dong)(dong)(dong)(dong)，轉(zhuan)(zhuan)(zhuan)子(zi)平(ping)衡(heng)和(he)故障診斷(duan)；針(zhen)對(dui)微(wei)轉(zhuan)(zhuan)(zhuan)子(zi)系統(tong)的(de)(de)動(dong)(dong)(dong)(dong)力(li)(li)學(xue)問題(ti)(ti)，介紹(shao)(shao)其相應(ying)的(de)(de)研究(jiu)(jiu)(jiu)分(fen)析(xi)方法。黑龍江昆山(shan)漢吉龍轉(zhuan)(zhuan)(zhuan)子(zi)試驗(yan)臺滑(hua)油系統(tong)故障研究(jiu)(jiu)(jiu)：噴油嘴堵塞、滑(hua)油泄漏(lou)等(deng)故障模擬。

valenian柔性轉(zhuan)(zhuan)(zhuan)子(zi)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)架測(ce)(ce)臨界轉(zhuan)(zhuan)(zhuan)速實(shi)(shi)(shi)(shi)驗(yan)的步(bu)驟如下1：在柔性轉(zhuan)(zhuan)(zhuan)子(zi)上選(xuan)定一(yi)處(chu)，在不同(tong)轉(zhuan)(zhuan)(zhuan)速下進行(xing)(xing)應變(bian)(bian)計測(ce)(ce)量，此時可通過熒光干涉儀對應變(bian)(bian)進行(xing)(xing)實(shi)(shi)(shi)(shi)時監測(ce)(ce)及記錄(lu)。記錄(lu)下不同(tong)轉(zhuan)(zhuan)(zhuan)速下轉(zhuan)(zhuan)(zhuan)子(zi)的振(zhen)動幅值，并繪制出轉(zhuan)(zhuan)(zhuan)子(zi)轉(zhuan)(zhuan)(zhuan)速與振(zhen)動幅值的曲(qu)線(xian)。根據(ju)曲(qu)線(xian)得出轉(zhuan)(zhuan)(zhuan)子(zi)的臨界轉(zhuan)(zhuan)(zhuan)速。實(shi)(shi)(shi)(shi)驗(yan)注(zhu)意事項1：在進行(xing)(xing)實(shi)(shi)(shi)(shi)驗(yan)之前應對儀器進行(xing)(xing)檢查(cha)并標定。當轉(zhuan)(zhuan)(zhuan)速增加時，應嚴格控(kong)制轉(zhuan)(zhuan)(zhuan)速。PT100軸(zhou)(zhou)承(cheng)故(gu)障(zhang)模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)軸(zhou)(zhou)承(cheng)故(gu)障(zhang)模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)架缺陷軸(zhou)(zhou)承(cheng)仿真(zhen)試驗(yan)臺(tai)軸(zhou)(zhou)承(cheng)損傷模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)故(gu)障(zhang)軸(zhou)(zhou)承(cheng)振(zhen)動實(shi)(shi)(shi)(shi)驗(yan)臺(tai)軸(zhou)(zhou)承(cheng)損傷模(mo)(mo)擬(ni)試驗(yan)臺(tai)PT500齒輪箱故(gu)障(zhang)模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)齒輪箱故(gu)障(zhang)模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)架減速箱故(gu)障(zhang)模(mo)(mo)擬(ni)平臺(tai)變(bian)(bian)速箱缺陷模(mo)(mo)擬(ni)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)齒輪箱損壞仿真(zhen)實(shi)(shi)(shi)(shi)驗(yan)臺(tai)

前(qian)身是(shi)由西班牙VALENIAN教(jiao)(jiao)學系(xi)(xi)(xi)統(tong)公(gong)(gong)司(si)在中(zhong)國的(de)處，經過(guo)多年(nian)發展和對(dui)中(zhong)國市場的(de)不(bu)斷(duan)(duan)探索為更好(hao)的(de)為中(zhong)國的(de)高校服務，2014年(nian)瓦(wa)倫尼(ni)安（蘇州）教(jiao)(jiao)學設(she)(she)備(bei)有限公(gong)(gong)司(si)正式成立。瓦(wa)倫尼(ni)安公(gong)(gong)司(si)PT系(xi)(xi)(xi)列機械故障(zhang)診(zhen)斷(duan)(duan)教(jiao)(jiao)學模(mo)(mo)擬(ni)(ni)系(xi)(xi)(xi)統(tong)由平(ping)臺(tai)硬件與狀態(tai)監(jian)測(ce)(ce)(ce)測(ce)(ce)(ce)量教(jiao)(jiao)學體系(xi)(xi)(xi)軟(ruan)件構成，功能上分為軸承(cheng)故障(zhang)診(zhen)斷(duan)(duan)模(mo)(mo)擬(ni)(ni)實驗(yan)臺(tai)、動平(ping)衡(heng)軸對(dui)中(zhong)模(mo)(mo)擬(ni)(ni)平(ping)臺(tai)、減速箱故障(zhang)診(zhen)斷(duan)(duan)模(mo)(mo)擬(ni)(ni)實驗(yan)平(ping)臺(tai)、電氣(qi)故障(zhang)診(zhen)斷(duan)(duan)模(mo)(mo)擬(ni)(ni)實驗(yan)平(ping)臺(tai)、綜(zong)(zong)合故障(zhang)模(mo)(mo)擬(ni)(ni)實驗(yan)平(ping)臺(tai)、可拆卸綜(zong)(zong)合仿真平(ping)臺(tai)系(xi)(xi)(xi)統(tong)，可應(ying)用于各大(da)院校研究預知性(xing)維護保養、轉(zhuan)子動力學、旋轉(zhuan)類機械故障(zhang)診(zhen)斷(duan)(duan)、設(she)(she)備(bei)狀態(tai)監(jian)測(ce)(ce)(ce)等(deng)方面教(jiao)(jiao)學和實時測(ce)(ce)(ce)量培訓；瓦(wa)倫尼(ni)安公(gong)(gong)司(si)不(bu)僅生產標準教(jiao)(jiao)學測(ce)(ce)(ce)試設(she)(she)備(bei)并提供(gong)非標類特殊教(jiao)(jiao)學定制產品。變負載(zai)工(gong)況模(mo)(mo)擬(ni)(ni)研究：徑向(xiang)加載(zai)、軸向(xiang)加載(zai)模(mo)(mo)擬(ni)(ni)。

功能應用：?進(jin)行(xing)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)磨損過程(cheng)的(de)(de)(de)(de)基(ji)礎研(yan)究(jiu)(jiu)；?研(yan)究(jiu)(jiu)滾(gun)動(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)損傷(shang)(shang)深化機制，熟悉包絡分(fen)析和信(xin)號處理技術；?了解軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)故(gu)障(zhang)機理與(yu)負(fu)載(zai)(zai)(zai)、轉速(su)、潤滑狀(zhuang)況之間的(de)(de)(de)(de)關(guan)系(xi)；?研(yan)究(jiu)(jiu)基(ji)于(yu)損傷(shang)(shang)發展、轉速(su)、振幅和加(jia)載(zai)(zai)(zai)類(lei)型的(de)(de)(de)(de)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)剩余壽(shou)命(ming)預(yu)測(ce)(ce)模(mo)(mo)型；?研(yan)究(jiu)(jiu)信(xin)號處理技術和傳感(gan)技術，來進(jin)行(xing)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)故(gu)障(zhang)預(yu)測(ce)(ce)的(de)(de)(de)(de)狀(zhuang)態(tai)監測(ce)(ce)；?研(yan)究(jiu)(jiu)振動(dong)(dong)、電(dian)(dian)(dian)機電(dian)(dian)(dian)流、負(fu)載(zai)(zai)(zai)、摩擦和噪聲之間的(de)(de)(de)(de)關(guan)系(xi)；?驗(yan)證基(ji)于(yu)模(mo)(mo)型的(de)(de)(de)(de)故(gu)障(zhang)診斷(duan)和預(yu)測(ce)(ce)算法；?外圈(quan)，內(nei)圈(quan)或滾(gun)動(dong)(dong)體，保持(chi)架的(de)(de)(de)(de)損傷(shang)(shang)對頻(pin)譜(pu)的(de)(de)(de)(de)影響；?基(ji)于(yu)損傷(shang)(shang)發展，運行(xing)速(su)度(du)(du)，載(zai)(zai)(zai)荷類(lei)型和軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)尺寸估算滾(gun)子(zi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)使(shi)用壽(shou)命(ming)預(yu)測(ce)(ce)模(mo)(mo)型的(de)(de)(de)(de)開發；主(zhu)要組成(cheng)部分(fen)：本試(shi)(shi)驗(yan)臺主(zhu)要由(you)：1.電(dian)(dian)(dian)機驅(qu)動(dong)(dong)單元(yuan)(yuan)（給試(shi)(shi)驗(yan)臺提供(gong)動(dong)(dong)力(li)輸(shu)出）；2.試(shi)(shi)驗(yan)軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)安裝座（提供(gong)不同內(nei)徑軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)，固定的(de)(de)(de)(de)安裝夾具）；3.載(zai)(zai)(zai)荷加(jia)載(zai)(zai)(zai)單元(yuan)(yuan)（徑向(xiang)和軸(zhou)(zhou)(zhou)向(xiang)穩定負(fu)載(zai)(zai)(zai)由(you)電(dian)(dian)(dian)主(zhu)軸(zhou)(zhou)(zhou)自動(dong)(dong)加(jia)載(zai)(zai)(zai)設置）；4.油(you)液(ye)(ye)循(xun)環潤滑單元(yuan)(yuan)（含油(you)液(ye)(ye)冷卻，過濾，及循(xun)環潤滑油(you)箱(xiang)及油(you)泵和配管）；5.電(dian)(dian)(dian)氣(qi)自動(dong)(dong)化控制系(xi)統（動(dong)(dong)力(li)及電(dian)(dian)(dian)氣(qi)保護，自動(dong)(dong)加(jia)載(zai)(zai)(zai)控制系(xi)統）；6.計算機監測(ce)(ce)軟件(jian)單元(yuan)(yuan)（振動(dong)(dong)，溫(wen)度(du)(du)，轉速(su)，負(fu)載(zai)(zai)(zai)，頻(pin)譜(pu)分(fen)析，試(shi)(shi)驗(yan)時(shi)(shi)間長周期(qi)記(ji)錄，軸(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)剝(bo)落(luo)故(gu)障(zhang)時(shi)(shi)自動(dong)(dong)停機）。電(dian)(dian)(dian)機故(gu)障(zhang)模(mo)(mo)擬研(yan)究(jiu)(jiu)：電(dian)(dian)(dian)機內(nei)轉子(zi)不平衡、不對中、翹曲、斷(duan)條(tiao)等故(gu)障(zhang)模(mo)(mo)擬。便(bian)攜式轉子(zi)試(shi)(shi)驗(yan)臺服務

一般振(zhen)動與阻尼(ni)減振(zhen)、柔性轉子(zi)(zi)和(he)剛性轉子(zi)(zi)、轉子(zi)(zi)結(jie)構形式的振(zhen)動研(yan)究。旋(xuan)轉機械轉子(zi)(zi)試驗臺制造商

機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)是(shi)(shi)一(yi)種通過檢測和(he)分析(xi)(xi)(xi)機(ji)器(qi)的(de)(de)(de)狀態，確(que)(que)定(ding)(ding)機(ji)器(qi)是(shi)(shi)否(fou)正常(chang)(chang)工(gong)作的(de)(de)(de)技術。隨(sui)著工(gong)業的(de)(de)(de)快速發展，機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)技術在許多(duo)領域都得到了廣泛應用，如能源、制造、航(hang)空等(deng)(deng)。機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)不僅可以(yi)提高設備(bei)的(de)(de)(de)可靠性，還可以(yi)降低(di)維修成本(ben)和(he)減(jian)少停機(ji)時(shi)間。本(ben)文將介(jie)紹機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)的(de)(de)(de)基本(ben)概念和(he)方法，重點探討(tao)基于振動信(xin)(xin)號(hao)(hao)(hao)(hao)分析(xi)(xi)(xi)和(he)人工(gong)智能的(de)(de)(de)機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)技術。二、機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)的(de)(de)(de)基本(ben)概念和(he)方法機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)通常(chang)(chang)包括(kuo)(kuo)以(yi)下幾個步驟(zou)：信(xin)(xin)號(hao)(hao)(hao)(hao)采(cai)(cai)集、信(xin)(xin)號(hao)(hao)(hao)(hao)處理、特(te)征(zheng)提取(qu)(qu)(qu)和(he)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)。信(xin)(xin)號(hao)(hao)(hao)(hao)采(cai)(cai)集是(shi)(shi)機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)的(de)(de)(de)第一(yi)步，通常(chang)(chang)采(cai)(cai)用傳(chuan)感器(qi)采(cai)(cai)集機(ji)器(qi)的(de)(de)(de)振動、溫度、壓(ya)(ya)力等(deng)(deng)信(xin)(xin)號(hao)(hao)(hao)(hao)。信(xin)(xin)號(hao)(hao)(hao)(hao)處理包括(kuo)(kuo)濾(lv)波(bo)(bo)、去噪、壓(ya)(ya)縮等(deng)(deng)操(cao)作，以(yi)提取(qu)(qu)(qu)有用的(de)(de)(de)特(te)征(zheng)信(xin)(xin)息。特(te)征(zheng)提取(qu)(qu)(qu)是(shi)(shi)機(ji)械(xie)(xie)故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)的(de)(de)(de)關鍵步驟(zou)，可以(yi)通過時(shi)域分析(xi)(xi)(xi)、頻域分析(xi)(xi)(xi)、小波(bo)(bo)變(bian)換(huan)等(deng)(deng)方法提取(qu)(qu)(qu)特(te)征(zheng)。根據提取(qu)(qu)(qu)的(de)(de)(de)特(te)征(zheng)進(jin)行故(gu)障(zhang)診(zhen)(zhen)(zhen)(zhen)(zhen)斷(duan)(duan)(duan)，確(que)(que)定(ding)(ding)機(ji)器(qi)的(de)(de)(de)狀態和(he)故(gu)障(zhang)類型。旋轉機(ji)械(xie)(xie)轉子試驗臺制造商

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