了解電機驅動器

電(dian)(dian)(dian)(dian)機(ji)驅(qu)(qu)動(dong)(dong)器(qi)(qi)充當(dang)直流電(dian)(dian)(dian)(dian)機(ji)與其控(kong)制(zhi)(zhi)電(dian)(dian)(dian)(dian)路(lu)之(zhi)間的(de)(de)接(jie)(jie)口。這些(xie)驅(qu)(qu)動(dong)(dong)器(qi)(qi)接(jie)(jie)收從控(kong)制(zhi)(zhi)電(dian)(dian)(dian)(dian)路(lu)接(jie)(jie)收到的(de)(de)低電(dian)(dian)(dian)(dian)流信號并(bing)將其放大以產(chan)生(sheng)驅(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)機(ji)所需(xu)(xu)的(de)(de)高電(dian)(dian)(dian)(dian)流信號。多(duo)年來，已使用(yong)各種(zhong)方法來創建電(dian)(dian)(dian)(dian)機(ji)驅(qu)(qu)動(dong)(dong)器(qi)(qi)，其中 H 橋(qiao)電(dian)(dian)(dian)(dian)路(lu)是很常見的(de)(de)。至少，H 橋(qiao)驅(qu)(qu)動(dong)(dong)器(qi)(qi)可以打開和關閉電(dian)(dian)(dian)(dian)機(ji)并(bing)反(fan)轉電(dian)(dian)(dian)(dian)機(ji)的(de)(de)方向(xiang)。然(ran)而，對于更高等級的(de)(de)應用(yong)，例如機(ji)器(qi)(qi)人吸(xi)塵器(qi)(qi)和單反(fan)相機(ji)，需(xu)(xu)要(yao)更好的(de)(de)控(kong)制(zhi)(zhi)和電(dian)(dian)(dian)(dian)路(lu)保護。

驅動(dong)器(qi)常見故障及解決辦法

步進電(dian)機一直(zhi)震(zhen)動是(shi)什么原因(yin)，可能是(shi)信號電(dian)壓低所(suo)導致的(de)，需要去(qu)利用(yong)電(dian)機的(de)的(de)震(zhen)點去(qu)錯開這個震(zhen)動頻率然(ran)后去(qu)容易交換同(tong)一相。

步進(jin)電(dian)(dian)機堵(du)住轉，可能是(shi)因為電(dian)(dian)機的(de)扭矩(ju)力太小了，需要(yao)去選擇大扭矩(ju)的(de)電(dian)(dian)機。如果排除了這(zhe)個問題，那(nei)么就是(shi)加速的(de)時間過于太短(duan)了，步進(jin)驅(qu)動(dong)器價格，只需要(yao)加大加速的(de)時間；如果是(shi)電(dian)(dian)壓過低(di)了就是(shi)電(dian)(dian)流(liu)需要(yao)去加高一點，提高電(dian)(dian)流(liu)與電(dian)(dian)壓，在一個合適的(de)范圍(wei)之(zhi)內。

這(zhe)些(xie)大概就是步進(jin)電機(ji)驅動的(de)的(de)一些(xie)常見問題和解決方法(fa)，根(gen)據(ju)具(ju)體(ti)問題具(ju)體(ti)分析，只要根(gen)據(ju)上(shang)面的(de)問題去一步步進(jin)行排除，那么這(zhe)些(xie)問題一定能(neng)夠迎刃而解。

驅(qu)動器(qi)的細分原理介(jie)紹

在(zai)國內，廣大用(yong)(yong)(yong)戶(hu)對“細(xi)(xi)分(fen)(fen)”還(huan)不(bu)是(shi)特別了解，有的(de)(de)(de)(de)只是(shi)認(ren)為(wei)(wei)，細(xi)(xi)分(fen)(fen)是(shi)為(wei)(wei)了提高(gao)精度(du)，其(qi)實(shi)不(bu)然(ran)(ran)，細(xi)(xi)分(fen)(fen)主要(yao)(yao)是(shi)改善(shan)電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)運行(xing)(xing)性(xing)(xing)能，現說(shuo)明(ming)如下(xia)：步(bu)(bu)進(jin)伺服電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)細(xi)(xi)分(fen)(fen)控制是(shi)由驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)準確控制步(bu)(bu)進(jin)電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)來(lai)實(shi)現的(de)(de)(de)(de)，以(yi)二相(xiang)(xiang)(xiang)電(dian)(dian)(dian)機(ji)(ji)(ji)為(wei)(wei)例(li)，假如電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)額定相(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)為(wei)(wei)3A，如果使(shi)用(yong)(yong)(yong)常(chang)規驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)（如常(chang)用(yong)(yong)(yong)的(de)(de)(de)(de)恒流(liu)(liu)斬波方式）驅(qu)動(dong)(dong)(dong)(dong)該電(dian)(dian)(dian)機(ji)(ji)(ji)，電(dian)(dian)(dian)機(ji)(ji)(ji)每運行(xing)(xing)一步(bu)(bu)，其(qi)繞組內的(de)(de)(de)(de)電(dian)(dian)(dian)流(liu)(liu)將從0突(tu)變(bian)為(wei)(wei)3A或從3A突(tu)變(bian)到0，步(bu)(bu)進(jin)驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)價格(ge)，相(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)巨大變(bian)化，必然(ran)(ran)會引起(qi)電(dian)(dian)(dian)機(ji)(ji)(ji)運行(xing)(xing)的(de)(de)(de)(de)振動(dong)(dong)(dong)(dong)和(he)噪音。如果使(shi)用(yong)(yong)(yong)細(xi)(xi)分(fen)(fen)驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)，在(zai)10細(xi)(xi)分(fen)(fen)的(de)(de)(de)(de)狀態下(xia)驅(qu)動(dong)(dong)(dong)(dong)該電(dian)(dian)(dian)機(ji)(ji)(ji)，步(bu)(bu)進(jin)驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)價格(ge)，電(dian)(dian)(dian)機(ji)(ji)(ji)每運行(xing)(xing)一微步(bu)(bu)，其(qi)繞組內的(de)(de)(de)(de)電(dian)(dian)(dian)流(liu)(liu)變(bian)化只有0.3A而(er)不(bu)是(shi)3A，且電(dian)(dian)(dian)流(liu)(liu)是(shi)以(yi)正弦曲(qu)線規律變(bian)化，這樣就(jiu)大大的(de)(de)(de)(de)改善(shan)了電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)振動(dong)(dong)(dong)(dong)和(he)噪音，因此，步(bu)(bu)進(jin)驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)，在(zai)性(xing)(xing)能上的(de)(de)(de)(de)優點才(cai)是(shi)細(xi)(xi)分(fen)(fen)的(de)(de)(de)(de)真正優點。由于細(xi)(xi)分(fen)(fen)驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)要(yao)(yao)準確控制電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)(de)(de)相(xiang)(xiang)(xiang)電(dian)(dian)(dian)流(liu)(liu)，所以(yi)對驅(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)要(yao)(yao)有相(xiang)(xiang)(xiang)當高(gao)的(de)(de)(de)(de)技術要(yao)(yao)求和(he)工藝要(yao)(yao)求，成本亦(yi)會較高(gao)。