連續可靠的過程監控可借助無線振動傳感器實現
發布時間:2015-01-09 責任編輯:xueqi
【導讀】眾zhong所suo周zhou知zhi,過guo程cheng監jian控kong和he基ji於yu狀zhuang態tai的de預yu見jian性xing維wei護hu是shi一yi種zhong行xing之zhi有you效xiao的de避bi免mian生sheng產chan率lv損sun失shi的de方fang法fa,但dan這zhe種zhong方fang法fa的de複fu雜za性xing與yu其qi價jia值zhi不bu相xiang上shang下xia。如ru何he打da破po現xian有you方fang法fa存cun在zai的de局ju限xian性xing呢ne?本ben文wen介jie紹shao的de無wu線xian振zhen動dong傳感器即可實現連續可靠的過程監控。
工廠自動化和總體效率理所當然地受到巨大的關注,原因不僅是生產率提高(哪怕一點點)nengdailaizhengmianxiaoyi,erqietongyangzhongyaodeshi,tanengjiangdihuoxiaochushebeitinggongzaochengdeyanzhongsunshi。xianzai,womenkeyibuyongyanglaifenxijishudejinbulaidongchakeyongtongjishujuyiyuceweihuxuqiu,huozhejiandandiyikaojiaqiangduijishurenyuandepeixun,ershikeyitongguojianceyuwuxianchuanshujishudejinbushixianzhenzhengshishidefenxihekongzhi。
精密的工業生產過程(參見圖1)越來越依賴於電機和相關機械設備高效可靠、始終如一的運作。機器設備的不平衡、缺陷、緊(jin)固(gu)件(jian)鬆(song)動(dong)和(he)其(qi)它(ta)異(yi)常(chang)現(xian)象(xiang)往(wang)往(wang)會(hui)轉(zhuan)化(hua)為(wei)振(zhen)動(dong),導(dao)致(zhi)精(jing)度(du)下(xia)降(jiang),並(bing)且(qie)引(yin)發(fa)安(an)全(quan)問(wen)題(ti)。如(ru)果(guo)置(zhi)之(zhi)不(bu)理(li),除(chu)了(le)性(xing)能(neng)和(he)安(an)全(quan)問(wen)題(ti)外(wai),若(ruo)導(dao)致(zhi)設(she)備(bei)停(ting)機(ji)修(xiu)理(li),也(ye)必(bi)然(ran)會(hui)帶(dai)來(lai)生(sheng)產(chan)率(lv)損(sun)失(shi)。即(ji)使(shi)設(she)備(bei)性(xing)能(neng)發(fa)生(sheng)微(wei)小(xiao)的(de)改(gai)變(bian),這(zhe)通(tong)常(chang)很(hen)難(nan)及(ji)時(shi)預(yu)測(ce),也(ye)會(hui)迅(xun)速(su)轉(zhuan)化(hua)為(wei)重(zhong)大(da)的(de)生(sheng)產(chan)率(lv)損(sun)失(shi)。
圖1:工廠環境下的過程控製與維護自動化;無線檢測網絡的高價值目標
zhongsuozhouzhi,guochengjiankonghejiyuzhuangtaideyujianxingweihushiyizhongxingzhiyouxiaodebimianshengchanlvsunshidefangfa,danzhezhongfangfadefuzaxingyuqijiazhibuxiangshangxia。xianyoufangfacunzaijuxianxing,tebieshishejidaofenxizhendongshuju(無論以何種方式獲得)和確定誤差源時。
dianxingshujucaijifangfabaokuoanzhuangzaijiqishangdejiandanyadianchuanganqiheshouchishishujucaijigongjudeng。zhexiefangfacunzaiduozhongjuxianxing,tebieshiyulixiangdequanmianjianceyufenxixitongjiejuefanganxiangbijiao,houzhekeyiqianrujiqishanghuojiqizhong,bingnengzizhigongzuo。xiamianshenrutaolunzhexiejuxianxingjiqiyulixiangjiejuefangan——自治無線嵌入式傳感器——的對比。對完全嵌入式自治檢測元件的複雜係統目標的選項分析可以分為十個不同方麵,包括實現高重複度的測量、精確評估采集到的數據、適當的文檔記錄和可追溯性等,下麵將對各方麵進行說明並探討可用方法與理想方法。
精確且可重複的測量
現有手持式振動探頭(參見圖2)在(zai)實(shi)現(xian)方(fang)法(fa)上(shang)具(ju)備(bei)一(yi)些(xie)優(you)勢(shi),包(bao)括(kuo)不(bu)需(xu)要(yao)對(dui)終(zhong)端(duan)設(she)備(bei)做(zuo)任(ren)何(he)修(xiu)改(gai),而(er)且(qie)其(qi)集(ji)成(cheng)度(du)相(xiang)對(dui)較(jiao)高(gao),尺(chi)寸(cun)較(jiao)大(da),可(ke)提(ti)供(gong)充(chong)足(zu)的(de)處(chu)理(li)能(neng)力(li)和(he)存(cun)儲(chu)空(kong)間(jian)。然(ran)而(er),它(ta)的(de)一(yi)個(ge)主(zhu)要(yao)局(ju)限(xian)是(shi)測(ce)量(liang)結(jie)果(guo)不(bu)可(ke)重(zhong)複(fu)。探(tan)頭(tou)位(wei)置(zhi)或(huo)角(jiao)度(du)稍(shao)有(you)改(gai)變(bian),就(jiu)會(hui)產(chan)生(sheng)不(bu)一(yi)致(zhi)的(de)振(zhen)動(dong)剖(pou)麵(mian),從(cong)而(er)難(nan)以(yi)進(jin)行(xing)精(jing)確(que)的(de)時(shi)間(jian)比(bi)較(jiao)。因(yin)此(ci),維(wei)護(hu)技(ji)術(shu)人(ren)員(yuan)首(shou)先(xian)需(xu)要(yao)弄(nong)清(qing)所(suo)觀(guan)察(cha)到(dao)的(de)振(zhen)動(dong)偏(pian)移(yi)是(shi)由(you)機(ji)器(qi)內(nei)部(bu)的(de)實(shi)際(ji)變(bian)化(hua)所(suo)致(zhi),還(hai)是(shi)僅(jin)僅(jin)因(yin)為(wei)測(ce)量(liang)技(ji)術(shu)的(de)變(bian)化(hua)所(suo)致(zhi)。理(li)想(xiang)情(qing)況(kuang)下(xia),傳(chuan)感(gan)器(qi)應(ying)當(dang)結(jie)構(gou)緊(jin)湊(cou)並(bing)且(qie)充(chong)分(fen)集(ji)成(cheng),能(neng)夠(gou)直(zhi)接(jie)永(yong)久(jiu)性(xing)地(di)嵌(qian)入(ru)目(mu)標(biao)設(she)備(bei)內(nei)部(bu),從(cong)而(er)消(xiao)除(chu)測(ce)量(liang)位(wei)置(zhi)偏(pian)移(yi)問(wen)題(ti),並(bing)且(qie)可(ke)以(yi)完(wan)全(quan)靈(ling)活(huo)地(di)安(an)排(pai)測(ce)量(liang)時(shi)間(jian)。
圖2:現有的設備振動偏移監控手動探頭方法缺乏可重複性和可靠性
測量的頻率和時間安排
在(zai)高(gao)價(jia)值(zhi)設(she)備(bei)的(de)生(sheng)產(chan)設(she)施(shi)中(zhong),例(li)如(ru)製(zhi)造(zao)敏(min)感(gan)電(dian)子(zi)器(qi)件(jian)時(shi),過(guo)程(cheng)監(jian)控(kong)極(ji)為(wei)有(you)益(yi)。這(zhe)種(zhong)情(qing)況(kuang)下(xia),裝(zhuang)配(pei)線(xian)的(de)微(wei)小(xiao)偏(pian)移(yi)不(bu)僅(jin)可(ke)能(neng)導(dao)致(zhi)工(gong)廠(chang)生(sheng)產(chan)率(lv)下(xia)降(jiang),而(er)且(qie)可(ke)能(neng)使(shi)最(zui)終(zhong)設(she)備(bei)的(de)關(guan)鍵(jian)規(gui)格(ge)發(fa)生(sheng)偏(pian)移(yi)。手(shou)持(chi)式(shi)探(tan)頭(tou)方(fang)法(fa)的(de)另(ling)一(yi)個(ge)明(ming)顯(xian)的(de)局(ju)限(xian)是(shi)無(wu)法(fa)實(shi)時(shi)指(zhi)出(chu)有(you)問(wen)題(ti)的(de)振(zhen)動(dong)偏(pian)移(yi)。多(duo)數(shu)壓(ya)電(dian)傳(chuan)感(gan)器(qi)同(tong)樣(yang)如(ru)此(ci),其(qi)集(ji)成(cheng)度(du)一(yi)般(ban)非(fei)常(chang)低(di)(某些情況下僅有一個傳感器),xuyaojiangshujuchuansongdaoqitadifangjinxingfenxi。zhexieqijianxuyaowaibuganyu,yincikenenghuicuoguoyixieshijianhezhendongpianyi。zizhichuanganqichulixitongzeburan,taneizhichuanganqi、分析、存儲和報警功能,同時仍然小到足以嵌入設備中,能夠在第一時間告知振動偏移,並且最佳地顯示基於時間的狀態趨勢。
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了解數據
上述嵌入式傳感器發出實時通知的構想,隻有采用頻域分析才能實現。通常,任何設備都有多種振動源,如軸承缺陷、bupinghenghechilunniehedeng,ciwaihaiyoushejidailaidezhendongyuan,liruzuankongjihuoyazhijizaizhengchanggongzuoguochengzhongchanshengdezhendong。jiyushijiandefenxihuichanshengyigezonghesuoyouzhexiezhendongyuandefuzaboxing,zaijinxingFFT分析之前,它提供的信息難以辨別。多數壓電傳感器解決方案依賴外部FFT計算和分析。這不僅使得實時通知毫無可能,而且將大部分額外設計工作推給了設備開發商。但是,如果傳感器內嵌FFT分析功能,就能即時確定振動偏移的具體來源。這樣一種完全集成的傳感器元件還能縮短設備開發商6到12個月的開發時間,因為它功能完備、簡單有效、自治工作。
數據訪問和傳輸
嵌入式檢測能夠完美地提供精確實時的趨勢數據,但這並不會提高向遠程過程控製器或操作員傳輸數據的複雜性。嵌入式FFT分fen析xi的de前qian提ti顯xian然ran也ye是shi模mo擬ni傳chuan感gan器qi數shu據ju已yi經jing過guo調tiao理li並bing轉zhuan換huan為wei數shu字zi數shu據ju,以yi便bian簡jian化hua數shu據ju傳chuan輸shu。事shi實shi上shang,目mu前qian使shi用yong的de多duo數shu振zhen動dong傳chuan感gan器qi解jie決jue方fang案an僅jin提ti供gong模mo擬ni輸shu出chu,導dao致zhi信xin號hao質zhi量liang在zai傳chuan輸shu過guo程cheng中zhong降jiang低di,更geng不bu用yong說shuo離li線xian數shu據ju分fen析xi的de複fu雜za性xing(上文已討論)。考慮到要求振動監控的多數工業設備往往存在於高噪聲、運動、無法接近、甚(shen)至(zhi)危(wei)險(xian)的(de)環(huan)境(jing)中(zhong),因(yin)此(ci)業(ye)界(jie)迫(po)切(qie)希(xi)望(wang)降(jiang)低(di)接(jie)口(kou)線(xian)纜(lan)的(de)複(fu)雜(za)性(xing),並(bing)且(qie)同(tong)樣(yang)在(zai)源(yuan)端(duan)執(zhi)行(xing)盡(jin)可(ke)能(neng)多(duo)的(de)數(shu)據(ju)分(fen)析(xi)工(gong)作(zuo),以(yi)便(bian)捕(bu)捉(zhuo)到(dao)盡(jin)可(ke)能(neng)準(zhun)確(que)的(de)設(she)備(bei)振(zhen)動(dong)狀(zhuang)態(tai)信(xin)息(xi)。具(ju)有(you)無(wu)線(xian)傳(chuan)輸(shu)能(neng)力(li)的(de)傳(chuan)感(gan)器(qi)節(jie)點(dian)不(bu)僅(jin)有(you)利(li)於(yu)立(li)即(ji)訪(fang)問(wen),而(er)且(qie)可(ke)大(da)大(da)簡(jian)化(hua)傳(chuan)感(gan)器(qi)網(wang)絡(luo)的(de)部(bu)署(shu)並(bing)顯(xian)著(zhu)降(jiang)低(di)成(cheng)本(ben)。
數據方向性
現xian有you的de許xu多duo傳chuan感gan器qi解jie決jue方fang案an是shi單dan軸zhou壓ya電dian傳chuan感gan器qi。這zhe些xie傳chuan感gan器qi不bu提ti供gong方fang向xiang信xin息xi,因yin而er會hui限xian製zhi我wo們men對dui設she備bei振zhen動dong剖pou麵mian的de了le解jie。缺que乏fa方fang向xiang性xing導dao致zhi需xu要yao噪zao聲sheng非fei常chang低di的de傳chuan感gan器qi以yi便bian提ti供gong所suo需xu的de分fen辨bian能neng力li,這zhe又you會hui影ying響xiang成cheng本ben。多duo軸zhouMEMS傳感器則不同,如果各軸精密對準,確定振動源的能力將大幅提高,同時也有助於降低成本。
傳感器的位置和分布
shebeidezhendongpoumianfeichangfuza,suishijianerbianhua,bingqiehaihuiyinshebeicailiaoheweizhibutongeryousuochayi。quedingzainalifangzhichuanganqidangranfeichangzhongyao,qizhuyaojuedingyinsushishebeileixing、環huan境jing和he設she備bei的de壽shou命ming周zhou期qi。采cai用yong現xian有you的de高gao成cheng本ben傳chuan感gan器qi元yuan件jian時shi,探tan測ce點dian僅jin限xian於yu幾ji個ge或huo一yi個ge,這zhe個ge問wen題ti顯xian得de更geng加jia重zhong要yao。這zhe會hui導dao致zhi前qian期qi開kai發fa時shi間jian顯xian著zhu延yan長chang,因yin為wei需xu要yao通tong過guo反fan複fu實shi驗yan來lai確que定ding最zui佳jia位wei置zhi。但dan在zai大da多duo數shu情qing況kuang下xia,其qi後hou果guo是shi采cai集ji的de數shu據ju量liang和he數shu據ju質zhi量liang會hui受shou到dao影ying響xiang。幸xing運yun的de是shi,現xian在zai已yi有you集ji成cheng度du更geng高gao而er成cheng本ben大da幅fu降jiang低di的de傳chuan感gan器qi探tan頭tou可ke用yong,每mei個ge係xi統tong可ke以yi放fang置zhi多duo個ge探tan頭tou,從cong而er縮suo短duan前qian期qi開kai發fa時shi間jian和he成cheng本ben,或huo者zhe使shi用yong數shu量liang更geng少shao、成本更低的探頭就能滿足要求。
適應壽命周期變化
手持式監控係統方法可以根據時間變化(周期、數據量等)進(jin)行(xing)調(tiao)整(zheng),而(er)要(yao)在(zai)嵌(qian)入(ru)式(shi)傳(chuan)感(gan)器(qi)中(zhong)提(ti)供(gong)同(tong)樣(yang)的(de)基(ji)於(yu)壽(shou)命(ming)周(zhou)期(qi)的(de)調(tiao)整(zheng),必(bi)須(xu)在(zai)前(qian)期(qi)設(she)計(ji)和(he)部(bu)署(shu)階(jie)段(duan)就(jiu)給(gei)予(yu)關(guan)注(zhu),實(shi)現(xian)所(suo)需(xu)的(de)可(ke)調(tiao)整(zheng)功(gong)能(neng)。無(wu)論(lun)采(cai)用(yong)何(he)種(zhong)技(ji)術(shu),傳(chuan)感(gan)器(qi)元(yuan)件(jian)都(dou)是(shi)很(hen)重(zhong)要(yao)的(de),但(dan)更(geng)重(zhong)要(yao)的(de)是(shi)傳(chuan)感(gan)器(qi)周(zhou)圍(wei)的(de)信(xin)號(hao)調(tiao)理(li)和(he)處(chu)理(li)電(dian)路(lu)。信(xin)號(hao)/chuanganqitiaolihechulibujinqujueyujutideshebei,erqiequjueyushebeideshoumingzhouqi。zhezaichuanganqishejizhongshejidaoduozhongzhongyaokaolvyinsu。shouxian,moshuzhuanhuanchulizuihaojinzaojinxing(在傳感器頭部,而不是在設備之外),以便支持係統內配置和調整。理想的傳感器應提供一個簡單的可編程接口,通過快速基線數據采集來簡化設備設置、濾波操作、報bao警jing編bian程cheng和he不bu同tong傳chuan感gan器qi位wei置zhi的de試shi驗yan。對dui於yu現xian有you的de簡jian單dan傳chuan感gan器qi,即ji使shi它ta們men可ke以yi在zai設she備bei設she置zhi時shi進jin行xing配pei置zhi,但dan傳chuan感gan器qi設she置zhi仍reng然ran必bi須xu做zuo出chu一yi些xie犧xi牲sheng,以yi便bian適shi應ying設she備bei在zai整zheng個ge壽shou命ming期qi間jian的de維wei護hu重zhong點dian的de變bian化hua。例li如ru,傳chuan感gan器qi應ying針zhen對dui設she備bei故gu障zhang可ke能neng性xing較jiao小xiao的de早zao期qi階jie段duan進jin行xing配pei置zhi,還hai是shi針zhen對dui故gu障zhang可ke能neng性xing較jiao大da且qie更geng具ju危wei害hai性xing的de晚wan期qi階jie段duan進jin行xing配pei置zhi最zui好hao使shi用yong可ke在zai係xi統tong內nei編bian程cheng的de傳chuan感gan器qi,以yi便bian隨sui著zhe壽shou命ming周zhou期qi的de變bian化hua而er調tiao整zheng配pei置zhi。例li如ru,早zao期qi的de監jian控kong相xiang對dui比bi較jiao稀xi疏shu,功gong耗hao最zui低di;觀察到變化(警告閾值)後,重新配置為頻繁監控模式(監控周期由用戶設置);除了連續監控以外,還根據用戶設置的報警閾值提供中斷驅動的通知。
性能變化/趨勢的識別
傳(chuan)感(gan)器(qi)適(shi)應(ying)設(she)備(bei)壽(shou)命(ming)周(zhou)期(qi)中(zhong)的(de)變(bian)化(hua),在(zai)一(yi)定(ding)程(cheng)度(du)上(shang)取(qu)決(jue)於(yu)對(dui)基(ji)線(xian)設(she)備(bei)響(xiang)應(ying)的(de)了(le)解(jie)。利(li)用(yong)簡(jian)單(dan)的(de)模(mo)擬(ni)傳(chuan)感(gan)器(qi)就(jiu)能(neng)獲(huo)得(de)基(ji)線(xian)設(she)備(bei)響(xiang)應(ying),即(ji)讓(rang)操(cao)作(zuo)人(ren)員(yuan)進(jin)行(xing)測(ce)量(liang),執(zhi)行(xing)離(li)線(xian)分(fen)析(xi),並(bing)將(jiang)此(ci)數(shu)據(ju)與(yu)適(shi)當(dang)的(de)標(biao)誌(zhi)一(yi)起(qi)離(li)線(xian)存(cun)儲(chu)在(zai)特(te)定(ding)設(she)備(bei)和(he)探(tan)頭(tou)位(wei)置(zhi)上(shang)。更(geng)好(hao)且(qie)更(geng)不(bu)易(yi)出(chu)錯(cuo)的(de)方(fang)法(fa)是(shi)將(jiang)基(ji)線(xian)FFT存(cun)儲(chu)在(zai)傳(chuan)感(gan)器(qi)頭(tou)部(bu),這(zhe)樣(yang)數(shu)據(ju)永(yong)遠(yuan)不(bu)會(hui)誤(wu)放(fang)。基(ji)線(xian)數(shu)據(ju)還(hai)有(you)助(zhu)於(yu)確(que)定(ding)報(bao)警(jing)電(dian)平(ping),該(gai)值(zhi)最(zui)好(hao)也(ye)是(shi)直(zhi)接(jie)在(zai)傳(chuan)感(gan)器(qi)上(shang)編(bian)程(cheng)設(she)置(zhi),以(yi)便(bian)在(zai)隨(sui)後(hou)的(de)數(shu)據(ju)分(fen)析(xi)和(he)采(cai)集(ji)中(zhong),如(ru)果(guo)檢(jian)測(ce)到(dao)警(jing)告(gao)或(huo)故(gu)障(zhang)條(tiao)件(jian),可(ke)以(yi)產(chan)生(sheng)實(shi)時(shi)中(zhong)斷(duan)。
數據可追溯性和文檔記錄
在zai工gong廠chang環huan境jing中zhong,一yi個ge適shi用yong的de振zhen動dong分fen析xi程cheng序xu可ke能neng要yao監jian控kong數shu十shi甚shen至zhi數shu百bai個ge位wei置zhi,無wu論lun是shi通tong過guo手shou持chi式shi探tan頭tou還hai是shi通tong過guo嵌qian入ru式shi傳chuan感gan器qi。在zai一yi台tai設she備bei的de整zheng個ge壽shou命ming周zhou期qi中zhong,可ke能neng需xu要yao獲huo得de成cheng千qian上shang萬wan條tiao記ji錄lu。預yu見jian性xing維wei護hu程cheng序xu的de完wan整zheng性xing取qu決jue於yu傳chuan感gan器qi采cai集ji點dian的de位wei置zhi和he時shi間jian的de適shi當dang映ying射she。為wei將jiang風feng險xian降jiang至zhi最zui低di,以yi及ji獲huo得de最zui有you價jia值zhi的de數shu據ju,傳chuan感gan器qi應ying具ju有you唯wei一yi的de序xu列lie號hao和he嵌qian入ru式shi存cun儲chu器qi,並bing且qie能neng夠gou給gei數shu據ju添tian加jia時shi間jian戳chuo。
可靠性
上shang文wen重zhong點dian討tao論lun了le現xian有you針zhen對dui過guo程cheng控kong製zhi和he預yu見jian性xing維wei護hu相xiang關guan的de傳chuan感gan器qi振zhen動dong監jian控kong方fang法fa的de改gai善shan之zhi道dao。就jiu容rong錯cuo和he監jian控kong而er言yan,還hai應ying當dang細xi致zhi審shen查zha傳chuan感gan器qi本ben身shen。如ru果guo傳chuan感gan器qi發fa生sheng故gu障zhang(性能變化),而不是設備發生故障,該怎麼辦呢?或者,如果采用完全自治工作的傳感器(即上文所述的理想方法),我wo們men對dui傳chuan感gan器qi持chi續xu正zheng常chang工gong作zuo能neng有you多duo大da信xin心xin呢ne?對dui於yu許xu多duo現xian有you傳chuan感gan器qi,如ru壓ya電dian傳chuan感gan器qi等deng,這zhe種zhong情qing況kuang確que實shi會hui造zao成cheng嚴yan重zhong的de限xian製zhi,因yin為wei它ta們men無wu法fa提ti供gong任ren何he係xi統tong內nei自zi測ce功gong能neng。隨sui著zhe時shi間jian的de推tui移yi,必bi然ran會hui對dui所suo記ji錄lu數shu據ju的de一yi致zhi性xing缺que乏fa信xin心xin。在zai設she備bei壽shou命ming晚wan期qi的de關guan鍵jian監jian控kong階jie段duan,實shi時shi故gu障zhang通tong知zhi在zai時shi間jian、成(cheng)本(ben)和(he)安(an)全(quan)上(shang)都(dou)具(ju)有(you)十(shi)分(fen)重(zhong)要(yao)的(de)意(yi)義(yi),傳(chuan)感(gan)器(qi)是(shi)否(fou)仍(reng)然(ran)正(zheng)常(chang)工(gong)作(zuo)必(bi)然(ran)是(shi)關(guan)注(zhu)的(de)重(zhong)點(dian)。高(gao)可(ke)信(xin)度(du)過(guo)程(cheng)控(kong)製(zhi)程(cheng)序(xu)的(de)基(ji)本(ben)要(yao)求(qiu)是(shi)能(neng)夠(gou)對(dui)傳(chuan)感(gan)器(qi)進(jin)行(xing)遠(yuan)程(cheng)自(zi)測(ce)。幸(xing)運(yun)的(de)是(shi),一(yi)些(xie)基(ji)於(yu)MEMS的傳感器可以做到這一點。嵌入式數字自測能力就此填補了可靠振動監控係統的最後空白。
ADI公司的ADIS16229就是一款完全自治的無線頻域振動監控器,具有上述十個關鍵方麵所列的所有優勢。ADIS16229提供嵌入式頻域處理和512點實值FFT,片(pian)上(shang)存(cun)儲(chu)器(qi)能(neng)夠(gou)識(shi)別(bie)各(ge)種(zhong)振(zhen)動(dong)源(yuan)並(bing)進(jin)行(xing)歸(gui)類(lei),監(jian)控(kong)其(qi)隨(sui)時(shi)間(jian)的(de)變(bian)化(hua)情(qing)況(kuang),並(bing)根(gen)據(ju)可(ke)編(bian)程(cheng)的(de)閾(yu)值(zhi)做(zuo)出(chu)反(fan)應(ying)。該(gai)器(qi)件(jian)提(ti)供(gong)可(ke)配(pei)置(zhi)的(de)報(bao)警(jing)頻(pin)段(duan)和(he)窗(chuang)口(kou)選(xuan)項(xiang),支(zhi)持(chi)對(dui)全(quan)頻(pin)譜(pu)進(jin)行(xing)分(fen)析(xi),並(bing)配(pei)置(zhi)6個頻段、報警1(警告閾值)和報警2(故障閾值),從而更早、更精準地發現問題。其核心是一個多軸寬帶寬MEMS傳感器,可配置的采樣速率(最高20kSPS)和均值/抽取選項支持更精確地評估細微的振動剖麵變化。該MEMS傳chuan感gan器qi提ti供gong數shu字zi自zi測ce模mo式shi,讓rang我wo們men對dui其qi功gong能neng和he數shu據ju完wan整zheng性xing始shi終zhong保bao持chi信xin心xin。該gai器qi件jian為wei完wan全quan嵌qian入ru式shi且qie可ke編bian程cheng,可ke以yi放fang在zai振zhen動dong源yuan附fu近jin,並bing且qie能neng以yi可ke重zhong複fu的de方fang式shi及ji早zao檢jian測ce小xiao信xin號hao,避bi免mian了le使shi用yong手shou持chi式shi設she備bei時shi各ge次ci測ce量liang之zhi間jian由you於yu位wei置zhi/耦合差異而存在數據不一致的現象。
和均值/抽取選項支持更精確地評估細微的振動剖麵變化。該MEMS傳chuan感gan器qi提ti供gong數shu字zi自zi測ce模mo式shi,讓rang我wo們men對dui其qi功gong能neng和he數shu據ju完wan整zheng性xing始shi終zhong保bao持chi信xin心xin。該gai器qi件jian為wei完wan全quan嵌qian入ru式shi且qie可ke編bian程cheng,可ke以yi放fang在zai振zhen動dong源yuan附fu近jin,並bing且qie能neng以yi可ke重zhong複fu的de方fang式shi及ji早zao檢jian測ce小xiao信xin號hao,避bi免mian了le使shi用yong手shou持chi式shi設she備bei時shi各ge次ci測ce量liang之zhi間jian由you於yu位wei置zhi/耦合差異而存在數據不一致的現象。
862MHz/928MHz專有無線協議接口允許將ADIS16229傳感器節點放在遠端位置,獨立的網關節點ADIS16000則為係統控製設備提供標準SPI接口。通過該網關最多可控製6個遠程傳感器節點。
隨著完全集成、高度可靠、自治工作、kepeizhizhendongchuanganqidechuxian,yujianxingweihuchengxukaifarenyuanzhongyunenggoubaituoyiwangzhendongfenxifangfadexianzhihebuzu,dafutigaoshujucaijiguochengdezhilianghewanzhengxing。liyongzhexietigonggaojichengduhejianhuakebianchengwuxianjiekoudechuanganqi,yiqianzhiyoushaoshujubeishushinianjiqizhendongfenxijingyandejishuzhuanjiacainengjiayudezhendongjiancegongzuo,xianzaiyibanjishurenyuanjiunengqingsongshengren,youzhuyuzhendongjianceyingyongdetuiguang。zhezhongwanquanjichengdechuanganqibuxuyaogaizaoxianluhejichusheshi,nenggougengjingquekekaodijiancexingnengbianhua,weidafujiangdiqianqikaifahexunhuanweihuchengbentigonglejihui。
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