2013機(jī)床業(yè)伺服系統(tǒng)發(fā)展趨勢發(fā)布時間：13-05-22 來源： 點擊量：38216 更多
MDD071C-N-030-N2S-095GB0當(dāng)前，我國正在推動工業(yè)制造業(yè)的自動化進(jìn)程，這個過程中需要大量的工業(yè)機(jī)器人及機(jī)床設(shè)備，在這些設(shè)備中伺服系統(tǒng)在整體控制方面有非常重要的應(yīng)用。伺服系統(tǒng)又稱隨動系統(tǒng)，是用來精確地跟隨或復(fù)現(xiàn)某個過程的反饋控制系統(tǒng)。伺服系統(tǒng)使物體的位置、方位、狀態(tài)等輸出被控量能夠跟隨輸入目標(biāo)（或給定值）的任意變化的自動控制系統(tǒng)。它的主要任務(wù)是按控制命令的要求、對功率進(jìn)行放大、變換與調(diào)控等處理，使驅(qū)動裝置輸出的力矩、速度和位置控制非常靈活方便。在很多情況下，伺服系統(tǒng)專指被控制量（系統(tǒng)的輸出量）是機(jī)械位移或位移速度、加速度的反饋控制系統(tǒng)，其作用是使輸出的機(jī)械位移（或轉(zhuǎn)角）準(zhǔn)確地跟蹤輸入的位移（或轉(zhuǎn)角），其結(jié)構(gòu)組成和其他形式的反饋控制系統(tǒng)沒有原則上的區(qū)別。
MDD071C-N-030-N2S-095GB0在數(shù)控機(jī)床上，伺服調(diào)控系統(tǒng)是其不可缺少的一部分。其任務(wù)是把數(shù)控信息轉(zhuǎn)化為機(jī)床進(jìn)給運(yùn)動，從而實現(xiàn)精準(zhǔn)控制。
MDD071C-N-030-N2S-095GB0其中，數(shù)控機(jī)床伺服系統(tǒng)的作用在于接受來自數(shù)控裝置的指令信號，驅(qū)動機(jī)床移動部件跟隨指令脈沖運(yùn)動，并保證動作的快速和準(zhǔn)確，這就要求高質(zhì)量的速度和位置伺服。以上指的主要是進(jìn)給伺服控制，另外還有對主運(yùn)動的伺服控制，不過控制要求不如前者高。數(shù)控機(jī)床的精度和速度等技術(shù)指標(biāo)往往主要取決于伺服系統(tǒng)。
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