http://www.kadhoai.com.cn 2026-04-09 01:06:03 來源:控製工程
安全自動化麵臨的挑戰能夠通過其發展趨勢得到反映。無論對於傳感器還是執行器而言,市場上需要的是那些全麵、兼(jian)容(rong)的(de)解(jie)決(jue)方(fang)案(an)。隨(sui)著(zhe)以(yi)太(tai)網(wang)日(ri)益(yi)成(cheng)為(wei)了(le)一(yi)種(zhong)通(tong)用(yong)的(de)通(tong)信(xin)係(xi)統(tong),信(xin)息(xi)技(ji)術(shu)和(he)自(zi)動(dong)化(hua)領(ling)域(yu)正(zheng)漸(jian)行(xing)漸(jian)近(jin)。於(yu)是(shi),我(wo)們(men)麵(mian)臨(lin)的(de)全(quan)新(xin)挑(tiao)戰(zhan)不(bu)僅(jin)會(hui)影(ying)響(xiang)到(dao)安(an)全(quan)性(xing),同(tong)時(shi)還(hai)涉(she)及(ji)到(dao)保(bao)密(mi)性(xing)。
rujindefazhanqushizhengzaicongzhuanyongdejizhongkongzhijiegouzhuanyidaofenbushidedulizidonghuadanyuanyijisuizhichanshengdejidianyitihuahemokuaihuafangfa。danshi,wangluokongzhixitongbixuhuafanjiujian。zhiyounaxienenggoujianhuayonghucaozuo,bingqiedadazengjialinghuoxingdejiejuefangancaiyongyouguangmingdeweilai。
在技術的不斷前進的過程中,標準也起到了至關重要的作用。事實上,它們也同時反映了發展趨勢。
muqian,zaijixieanquanfangmianchuxianleyizhengtaobiaozhunhezhinan,tamenzhongdeyibufenshiquanxinzhidingde,lingyibufenzhizaitihuanxianyoudebanben。qizhong,zuizhongyaodeliangxiangbianhuashiyu2009年11月29日強製實施的新版機械指令(2006/42/EC)和用來替代EN 954-1的EN ISO 13849-1。此外,還增加了DIN EN 62061作為DIN EN 61508的補充。相關人員的普遍看法是,對於最終用戶和係統集成商而言,這樣的轉變絲毫不會為安全解決方案帶來便利。
第di一yi次ci,我wo們men能neng夠gou用yong一yi種zhong量liang化hua的de方fang法fa評ping估gu並bing驗yan證zheng安an全quan設she備bei。生sheng產chan商shang在zai設she計ji產chan品pin時shi需xu要yao將jiang這zhe一yi變bian化hua銘ming記ji在zai心xin。用yong戶hu也ye應ying該gai將jiang這zhe一yi變bian化hua看kan作zuo一yi種zhong契qi機ji,並bing積ji極ji采cai用yong新xin方fang法fa。
新(xin)標(biao)準(zhun)主(zhu)要(yao)考(kao)慮(lv)了(le)工(gong)廠(chang)或(huo)機(ji)器(qi)設(she)備(bei)從(cong)設(she)計(ji)到(dao)退(tui)役(yi)的(de)完(wan)整(zheng)生(sheng)命(ming)周(zhou)期(qi)。通(tong)過(guo)量(liang)化(hua)的(de)評(ping)估(gu)方(fang)法(fa),我(wo)們(men)能(neng)夠(gou)從(cong)全(quan)局(ju)出(chu)發(fa)計(ji)算(suan)從(cong)傳(chuan)感(gan)器(qi)到(dao)執(zhi)行(xing)器(qi)的(de)每(mei)一(yi)個(ge)影(ying)響(xiang)因(yin)素(su),並(bing)將(jiang)這(zhe)些(xie)因(yin)素(su)與(yu)通(tong)過(guo)風(feng)險(xian)分(fen)析(xi)建(jian)立(li)起(qi)的(de)要(yao)求(qiu)進(jin)行(xing)比(bi)較(jiao)。對(dui)於(yu)生(sheng)產(chan)商(shang)而(er)言(yan),他(ta)們(men)必(bi)須(xu)關(guan)注(zhu)每(mei)一(yi)個(ge)影(ying)響(xiang)因(yin)素(su),並(bing)且(qie)為(wei)用(yong)戶(hu)提(ti)供(gong)兼(jian)容(rong)解(jie)決(jue)方(fang)案(an),以(yi)降(jiang)低(di)複(fu)雜(za)性(xing)以(yi)及(ji)用(yong)戶(hu)的(de)接(jie)入(ru)投(tou)資(zi)。

一條封裝流水線經過實際配置後,能夠提升安全性能。橙色區域代表了一些能夠降低風險並增加效率的技術。本圖片由Pilz提供。
智能融合
未wei來lai也ye同tong時shi屬shu於yu那na些xie從cong開kai工gong到dao維wei護hu都dou能neng夠gou為wei用yong戶hu提ti供gong支zhi持chi,並bing且qie能neng夠gou為wei自zi動dong過guo程cheng控kong製zhi帶dai去qu安an全quan性xing的de整zheng體ti解jie決jue方fang案an。如ru果guo我wo們men希xi望wang將jiang安an全quan性xing融rong合he到dao標biao準zhun控kong製zhi技ji術shu中zhong,那na麼me必bi須xu考kao慮lv兩liang者zhe對dui環huan境jing的de種zhong種zhong要yao求qiu。快kuai速su響xiang應ying和he開kai環huan方fang麵mian的de要yao求qiu必bi須xu在zai開kai發fa之zhi初chu就jiu予yu以yi考kao慮lv。隻zhi有you這zhe樣yang,依yi據ju這zhe些xie要yao求qiu設she計ji出chu的de整zheng合he係xi統tong才cai會hui體ti現xian出chu自zi身shen的de優you勢shi。
將安全運動融入驅動技術
這zhe一yi領ling域yu未wei來lai的de發fa展zhan趨qu勢shi之zhi一yi是shi安an全quan運yun動dong。換huan而er言yan之zhi,就jiu是shi將jiang安an全quan性xing整zheng入ru驅qu動dong技ji術shu。安an全quan功gong能neng整zheng合he將jiang在zai這zhe一yi領ling域yu長chang足zu發fa展zhan,為wei用yong戶hu提ti供gong多duo合he一yi解jie決jue方fang案an。然ran而er,產chan品pin和he係xi統tong隻zhi是shi一yi方fang麵mian,服fu務wu的de重zhong要yao性xing正zheng越yue發fa顯xian現xian。這zhe裏li所suo謂wei的de服fu務wu是shi指zhi為wei用yong戶hu的de應ying用yong提ti供gong目mu標biao明ming確que的de專zhuan業ye說shuo明ming。尤you其qi是shi當dang你ni意yi識shi到dao這zhe樣yang的de服fu務wu能neng夠gou使shi企qi業ye專zhuan注zhu於yu核he心xin競jing爭zheng力li,並bing將jiang安an全quan性xing轉zhuan化hua為wei企qi業ye價jia值zhi時shi,情qing況kuang更geng是shi如ru此ci。
從(cong)網(wang)絡(luo)連(lian)接(jie)和(he)數(shu)據(ju)傳(chuan)送(song)角(jiao)度(du)看(kan),辦(ban)公(gong)通(tong)信(xin)已(yi)經(jing)通(tong)過(guo)以(yi)太(tai)網(wang)進(jin)入(ru)到(dao)自(zi)動(dong)化(hua)領(ling)域(yu)了(le)。緊(jin)接(jie)著(zhe),標(biao)準(zhun)現(xian)場(chang)總(zong)線(xian)係(xi)統(tong)也(ye)會(hui)經(jing)曆(li)類(lei)似(si)的(de)發(fa)展(zhan)。一(yi)些(xie)現(xian)有(you)的(de)協(xie)議(yi)中(zhong)已(yi)經(jing)補(bu)充(chong)了(le)安(an)全(quan)層(ceng)。至(zhi)於(yu)那(na)些(xie)對(dui)自(zi)由(you)反(fan)饋(kui)、高性能安全技術有特殊要求的係統而言,它們從設計之初就遵循了一套不同尋常的流程。
辦(ban)公(gong)網(wang)絡(luo)和(he)自(zi)動(dong)化(hua)網(wang)絡(luo)的(de)融(rong)合(he)意(yi)味(wei)著(zhe)安(an)全(quan)性(xing)和(he)可(ke)行(xing)性(xing)將(jiang)會(hui)變(bian)得(de)越(yue)發(fa)重(zhong)要(yao),尤(you)其(qi)是(shi)考(kao)慮(lv)到(dao)以(yi)太(tai)網(wang)係(xi)統(tong)采(cai)用(yong)的(de)是(shi)開(kai)放(fang)式(shi)接(jie)口(kou)以(yi)及(ji)工(gong)業(ye)上(shang)可(ke)能(neng)用(yong)到(dao)無(wu)線(xian)係(xi)統(tong)時(shi),情(qing)況(kuang)更(geng)是(shi)如(ru)此(ci)。因(yin)此(ci),自(zi)動(dong)化(hua)係(xi)統(tong)的(de)安(an)全(quan)性(xing)和(he)保(bao)密(mi)性(xing)必(bi)須(xu)是(shi)從(cong)整(zheng)體(ti)出(chu)發(fa)通(tong)盤(pan)考(kao)慮(lv)的(de)。
分布式控製
控(kong)製(zhi)功(gong)能(neng)分(fen)散(san)化(hua)也(ye)會(hui)持(chi)續(xu)發(fa)展(zhan)下(xia)去(qu),因(yin)此(ci)我(wo)們(men)有(you)必(bi)要(yao)從(cong)兩(liang)方(fang)麵(mian)看(kan)待(dai)這(zhe)一(yi)問(wen)題(ti)。首(shou)先(xian),將(jiang)外(wai)圍(wei)設(she)備(bei)分(fen)散(san)化(hua)能(neng)夠(gou)降(jiang)低(di)布(bu)線(xian)規(gui)模(mo),進(jin)而(er)縮(suo)減(jian)相(xiang)關(guan)成(cheng)本(ben)。其(qi)次(ci)控(kong)製(zhi)工(gong)程(cheng)網(wang)版(ban)權(quan)所(suo)有(you),相(xiang)同(tong)的(de)控(kong)製(zhi)程(cheng)序(xu)和(he)子(zi)功(gong)能(neng)經(jing)過(guo)分(fen)散(san)化(hua)後(hou),就(jiu)類(lei)似(si)於(yu)一(yi)個(ge)個(ge)機(ji)器(qi)零(ling)部(bu)件(jian),有(you)利(li)於(yu)實(shi)現(xian)模(mo)塊(kuai)化(hua)。這(zhe)樣(yang)做(zuo)是(shi)為(wei)了(le)盡(jin)可(ke)能(neng)重(zhong)複(fu)利(li)用(yong)相(xiang)同(tong)模(mo)塊(kuai),為(wei)自(zi)動(dong)化(hua)項(xiang)目(mu)標(biao)準(zhun)化(hua)鋪(pu)平(ping)道(dao)路(lu)。雖(sui)然(ran)控(kong)製(zhi)技(ji)術(shu)分(fen)散(san)化(hua)尚(shang)存(cun)在(zai)缺(que)陷(xian),但(dan)是(shi)這(zhe)一(yi)概(gai)念(nian)已(yi)經(jing)被(bei)成(cheng)功(gong)運(yun)用(yong)在(zai)機(ji)械(xie)行(xing)業(ye)以(yi)及(ji)係(xi)統(tong)組(zu)件(jian)中(zhong)了(le)。
集中式觀點
rujin,zhenduiwangluoxingduolukongzhixitongdejiejuefanganweiyonghudaiqulegaodudefuzaxing。zhezhongqingkuangxia,womenjianxinzuizhongtuoyingerchudejiangshinaxieyikaishijiujianhualeyonghuduiduolukongzhiwangluodecaozuo,bingqiebimianlelianjiewentidejiejuefangan。lixiangqingkuangxia,jixiexitong、硬件和控製軟件都存在相同的分布局限性。分布式控製這一概念的優勢在於用戶仍然能夠以集中式的觀點看待分布式控製係統。
ruguowomenxiwangduigongchanghexitongdequanbushengmingzhouqizuopinggu,namejiubixujiangtianjieduandaoshichejieduansuoyouyuxiangmuyouguandexijietongguotiaozhijietiaoqiheruanjiangongjufanzhachulai。zheyangzuonenggoubaozhenghouxugongzuocongzongtidaogetidegongzuobuzhou,bingqiejianshaoxinxizhijiandechayi。
ciwai,naxienenggoujianhuachanpinbianchenghepeizhideruanjiangongjuzhengriyichengweiyingjianchanpindeliangdian。yuguoquxiangbi,tongguochanpinjishuxingnengfangmiandeliangdianqufentamenzhengbiandeyuelaiyuekunnan。
軟件解決方案
在過去,各個單元之間往往通過各種有線方式連接的;如(ru)今(jin),更(geng)貼(tie)近(jin)用(yong)戶(hu)的(de)軟(ruan)件(jian)解(jie)決(jue)方(fang)案(an)已(yi)經(jing)成(cheng)為(wei)了(le)發(fa)展(zhan)趨(qu)勢(shi)。軟(ruan)件(jian)解(jie)決(jue)方(fang)案(an)的(de)功(gong)能(neng)日(ri)漸(jian)強(qiang)大(da),複(fu)雜(za)性(xing)也(ye)隨(sui)之(zhi)加(jia)大(da),這(zhe)樣(yang)做(zuo)的(de)目(mu)的(de)是(shi)為(wei)了(le)通(tong)過(guo)出(chu)色(se)的(de)診(zhen)斷(duan)功(gong)能(neng)簡(jian)化(hua)工(gong)程(cheng)和(he)服(fu)務(wu)。對(dui)於(yu)一(yi)款(kuan)實(shi)用(yong)工(gong)具(ju)而(er)言(yan),它(ta)的(de)操(cao)作(zuo)必(bi)須(xu)直(zhi)觀(guan),並(bing)且(qie)能(neng)夠(gou)在(zai)項(xiang)目(mu)過(guo)程(cheng)中(zhong)為(wei)用(yong)戶(hu)提(ti)供(gong)指(zhi)導(dao)控(kong)製(zhi)工(gong)程(cheng)網(wang)版(ban)權(quan)所(suo)有(you),而(er)非(fei)束(shu)縛(fu)用(yong)戶(hu)的(de)手(shou)腳(jiao)。
過guo去qu,安an全quan自zi動dong化hua的de一yi大da特te征zheng就jiu是shi通tong過guo有you形xing的de隔ge離li措cuo施shi將jiang人ren員yuan與yu危wei險xian區qu域yu分fen隔ge開kai。如ru果guo人ren員yuan需xu要yao進jin入ru危wei險xian區qu域yu,那na麼me生sheng產chan流liu程cheng將jiang通tong過guo開kai關guan傳chuan感gan器qi(安全門開關)轉(zhuan)換(huan)到(dao)安(an)全(quan)狀(zhuang)態(tai)。如(ru)今(jin),這(zhe)已(yi)經(jing)是(shi)一(yi)個(ge)基(ji)於(yu)簡(jian)單(dan)的(de)魯(lu)棒(bang)原(yuan)理(li)並(bing)經(jing)過(guo)驗(yan)證(zheng)的(de)方(fang)案(an)了(le)。但(dan)是(shi),這(zhe)種(zhong)方(fang)案(an)的(de)缺(que)點(dian)是(shi)需(xu)要(yao)頻(pin)繁(fan)關(guan)閉(bi)和(he)開(kai)啟(qi)生(sheng)產(chan)流(liu)程(cheng)。圖(tu)像(xiang)處(chu)理(li)方(fang)麵(mian)的(de)一(yi)些(xie)新(xin)技(ji)術(shu)在(zai)為(wei)優(you)化(hua)人(ren)機(ji)互(hu)動(dong)提(ti)供(gong)一(yi)係(xi)列(lie)可(ke)行(xing)方(fang)案(an)的(de)同(tong)時(shi),也(ye)增(zeng)加(jia)了(le)實(shi)現(xian)更(geng)高(gao)產(chan)量(liang)和(he)效(xiao)益(yi)的(de)可(ke)能(neng)性(xing)。