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行星減速機和齒輪減速器的區別?
行(xing)星減(jian)速(su)機(ji)和(he)齒輪減(jian)速(su)器區(qu)別為:工作原理不同(tong)、結構(gou)不同(tong)、用(yong)途不同(tong)。
넶56 2023-08-28 -
步進電機驅動器選型
步進電(dian)機(ji)(ji)驅(qu)(qu)動器操(cao)(cao)控系統首要由(you)三部(bu)分組成:1、步進操(cao)(cao)控器:人機(ji)(ji)接口、運動規劃(hua)、I/O操(cao)(cao)控。 2、驅(qu)(qu)動器:脈沖分配、電(dian)流擴大。 3、步進電(dian)機(ji)(ji):驅(qu)(qu)動負載。
넶50 2023-08-28 -
步進電機能替代高成本的伺服電機嗎?
根據傳統的觀念,在(zai)需(xu)要(yao)速度(du)(du)超過800RPM以及(ji)需(xu)要(yao)高動(dong)態響(xiang)應(ying)的應(ying)用中(zhong),伺服控(kong)制系統性能(neng)更為出色(se)。步(bu)進電(dian)機則更適(shi)合用于速度(du)(du)較低、低到(dao)中(zhong)等加速度(du)(du)、需(xu)要(yao)較高保持轉矩的應(ying)用。
넶27 2023-08-28 -
步進電機和閉環步進電機有什么區別?
步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)動機(ji)(ji)的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)(fang)式(shi)(shi)一(yi)(yi)般分為(wei)(wei)開環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)與(yu)閉(bi)環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)兩(liang)種控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)(fang)式(shi)(shi),其(qi)中開環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)最簡單的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)(fang)式(shi)(shi)就(jiu)是玎(ding)環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系統,在(zai)(zai)這(zhe)(zhe)樣的(de)(de)(de)(de)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)(fang)式(shi)(shi)下(xia)(xia),步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)脈(mo)沖的(de)(de)(de)(de)輸(shu)入(ru)并不(bu)依賴于轉(zhuan)子的(de)(de)(de)(de)位(wei)置(zhi),反(fan)而(er)是按一(yi)(yi)固定(ding)(ding)的(de)(de)(de)(de)規律發出(chu)其(qi)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)脈(mo)沖,步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)僅依靠這(zhe)(zhe)一(yi)(yi)系列既(ji)定(ding)(ding)的(de)(de)(de)(de)脈(mo)沖而(er)工(gong)作(zuo)(zuo),這(zhe)(zhe)種控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)方(fang)(fang)式(shi)(shi)由(you)于步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)(de)獨特性而(er)比較適(shi)合于控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)。閉(bi)環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)是控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)論的(de)(de)(de)(de)一(yi)(yi)個基(ji)本概(gai)念。指作(zuo)(zuo)為(wei)(wei)被控(kong)(kong)(kong)(kong)(kong)(kong)的(de)(de)(de)(de)輸(shu)出(chu)以一(yi)(yi)定(ding)(ding)方(fang)(fang)式(shi)(shi)返(fan)回到作(zuo)(zuo)為(wei)(wei)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)輸(shu)入(ru)端,并對輸(shu)入(ru)端施加控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)影(ying)響的(de)(de)(de)(de)一(yi)(yi)種控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)關(guan)系。步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)動機(ji)(ji)的(de)(de)(de)(de)閉(bi)環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)是采(cai)用(yong)位(wei)置(zhi)反(fan)饋(kui)和(或(huo)) 速度反(fan)饋(kui)來(lai)確定(ding)(ding)與(yu)轉(zhuan)子位(wei)置(zhi)相(xiang)適(shi)應(ying)的(de)(de)(de)(de)相(xiang)位(wei)轉(zhuan)換(huan),可(ke)大大改(gai)進(jin)步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)動機(ji)(ji)的(de)(de)(de)(de)性能(neng)。在(zai)(zai)閉(bi)環(huan)控(kong)(kong)(kong)(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)步(bu)(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)系統中,或(huo)可(ke)在(zai)(zai)具(ju)有給(gei)定(ding)(ding)精(jing)確度下(xia)(xia)跟(gen)蹤和反(fan)饋(kui)時,擴大工(gong)作(zuo)(zuo)速度范圍,或(huo)可(ke)在(zai)(zai)給(gei)定(ding)(ding)速度下(xia)(xia)提高(gao)跟(gen)蹤和定(ding)(ding)位(wei)精(jing)度,或(huo)可(ke)得到極限速度指標和極限精(jing)度指標。
넶50 2023-08-28