http://kadhoai.com.cn 2026-04-27 04:00:52 來源:
近年來,伺服係統的發展始終以穩定性、響xiang應ying性xing與yu精jing度du為wei發fa展zhan主zhu軸zhou,這zhe也ye是shi用yong戶hu在zai使shi用yong過guo程cheng中zhong最zui為wei看kan重zhong的de幾ji大da因yin素su。穩wen定ding的de係xi統tong可ke以yi在zai給gei定ding輸shu入ru或huo外wai界jie幹gan擾rao作zuo用yong下xia,在zai短duan暫zan的de調tiao節jie後hou達da到dao新xin的de或huo者zhe恢hui複fu到dao原yuan有you的de平ping衡heng狀zhuang態tai;伺服係統的精度是指輸出量能跟隨輸入量的精確程度。以數控機床為例,允許的偏差一般都在 0.01~0.00lmm之間;快速響應性是伺服係統動態品質的標誌之一,即要求跟蹤指令信號的響應要快,一方麵要求過渡過程時間短,一般在200ms以內,甚至小於幾十毫秒。而另一方麵,為了滿足超調要求,要求過渡過程的前沿陡,即上升率要大。
舒(shu)所(suo)長(chang)還(hai)強(qiang)調(tiao),由(you)於(yu)用(yong)戶(hu)在(zai)使(shi)用(yong)過(guo)程(cheng)中(zhong)經(jing)常(chang)會(hui)遇(yu)到(dao)伺(si)服(fu)係(xi)統(tong)頻(pin)繁(fan)的(de)啟(qi)動(dong)和(he)製(zhi)動(dong)過(guo)程(cheng),這(zhe)就(jiu)要(yao)求(qiu)伺(si)服(fu)電(dian)機(ji)具(ju)有(you)高(gao)性(xing)能(neng),即(ji)電(dian)機(ji)的(de)輸(shu)出(chu)力(li)矩(ju)與(yu)轉(zhuan)動(dong)慣(guan)量(liang)的(de)比(bi)值(zhi)大(da),以(yi)產(chan)生(sheng)足(zu)夠(gou)大(da)的(de)加(jia)速(su)或(huo)製(zhi)動(dong)力(li)矩(ju)。要(yao)求(qiu)伺(si)服(fu)電(dian)機(ji)在(zai)低(di)速(su)時(shi)有(you)足(zu)夠(gou)大(da)的(de)輸(shu)出(chu)力(li)矩(ju)且(qie)運(yun)轉(zhuan)平(ping)穩(wen),以(yi)便(bian)在(zai)與(yu)機(ji)械(xie)運(yun)動(dong)部(bu)分(fen)連(lian)接(jie)中(zhong)盡(jin)量(liang)減(jian)少(shao)中(zhong)間(jian)環(huan)節(jie);同tong時shi,寬kuan調tiao速su範fan圍wei的de速su度du調tiao節jie係xi統tong也ye是shi用yong戶hu較jiao為wei關guan注zhu的de熱re點dian。以yi機ji床chuang行xing業ye為wei例li,從cong係xi統tong的de控kong製zhi結jie構gou看kan,數shu控kong機ji床chuang的de位wei置zhi閉bi環huan係xi統tong可ke以yi看kan作zuo是shi位wei置zhi調tiao節jie為wei外wai環huan、速su度du調tiao節jie為wei內nei環huan的de雙shuang閉bi環huan自zi動dong控kong製zhi係xi統tong,其qi內nei部bu的de實shi際ji工gong作zuo過guo程cheng是shi把ba位wei置zhi控kong製zhi輸shu入ru轉zhuan換huan成cheng相xiang應ying的de速su度du給gei定ding信xin號hao後hou,再zai通tong過guo調tiao速su係xi統tong驅qu動dong伺si服fu電dian機ji,實shi現xian實shi際ji位wei移yi。數shu控kong機ji床chuang的de主zhu運yun動dong要yao求qiu調tiao速su性xing能neng也ye比bi較jiao高gao,因yin此ci要yao求qiu伺si服fu係xi統tong為wei高gao性xing能neng的de寬kuan調tiao速su係xi統tong。
目前,伺服係統的應用行業逐漸增多,行業用戶的需求也在完善著伺服係統的功能與性能。舒所長介紹說:“近jin幾ji年nian,隨sui著zhe國guo內nei外wai公gong司si應ying用yong伺si服fu產chan品pin的de成cheng功gong案an例li增zeng多duo,以yi及ji在zai國guo外wai展zhan會hui上shang關guan於yu運yun動dong控kong製zhi新xin技ji術shu的de見jian聞wen,我wo大da致zhi地di總zong結jie了le一yi些xie伺si服fu驅qu動dong係xi統tong、運動控製和相關軟件的發展趨勢:首先就是產品的模塊化設計,同時在產品中融入機器安全的概念;同時,在適合運動控製的工業協議方麵,我們注意到包括倍福、貝加萊、丹納赫、ximenzidenggongsidoutuichulezijidetongxunxieyi。zhexietongxunxieyidouweiduozhoushishitongbukongzhitigonglekenengxing,yebeiyixiegaoduansifuqudongqijichengjinqu。muqian,guoneidexiangguanqiyeyuyanjiusuoyijingjinxingleyanfashijian,zheyifangmianxiaohualeguowaidexianjinjishu,lingyifangmianyeweizijidezongxianbiaozhundezhidingzuochuleyouyidechangshi。