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　　實驗名稱：功率放大器ATA-4051在非共(gong)振式壓電直線電機(ji)性(xing)能測試中(zhong)的應用

　　實驗內容：基于壓電(dian)(dian)(dian)疊(die)堆(dui)驅(qu)動(dong)(dong)(dong)(dong)的(de)(de)非共振式(shi)(shi)壓電(dian)(dian)(dian)直線電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)性能測(ce)試，壓電(dian)(dian)(dian)直線電(dian)(dian)(dian)機(ji)(ji)(ji)結構(gou)使(shi)用(yong)二級放大(da)機(ji)(ji)(ji)構(gou)，對壓電(dian)(dian)(dian)疊(die)堆(dui)的(de)(de)輸(shu)出位(wei)移進(jin)行放大(da)，同時(shi)該結構(gou)采用(yong)交替驅(qu)動(dong)(dong)(dong)(dong)的(de)(de)方式(shi)(shi)以提(ti)高驅(qu)動(dong)(dong)(dong)(dong)器定(ding)(ding)子的(de)(de)驅(qu)動(dong)(dong)(dong)(dong)效率(lv)。使(shi)用(yong)方波(bo)信(xin)(xin)(xin)號作為激(ji)勵(li)信(xin)(xin)(xin)號，定(ding)(ding)子驅(qu)動(dong)(dong)(dong)(dong)足(zu)通過摩擦力驅(qu)動(dong)(dong)(dong)(dong)導軌運動(dong)(dong)(dong)(dong)，對該電(dian)(dian)(dian)機(ji)(ji)(ji)的(de)(de)輸(shu)出性能進(jin)行測(ce)試，同時(shi)得(de)到激(ji)勵(li)電(dian)(dian)(dian)機(ji)(ji)(ji)信(xin)(xin)(xin)號的(de)(de)最佳頻率(lv)

　　研究方向：壓電(dian)驅動

　　測試設備：信號發生器，ATA-4051高壓功率放大器，磁柵尺(chi)位移傳感器，壓電(dian)疊堆

　　實驗過程：電(dian)(dian)機(ji)定子使用(yong)(yong)螺(luo)栓固(gu)定在底座上，通(tong)過千分尺對(dui)導(dao)軌施加預緊(jin)力。非共振式(shi)壓(ya)電(dian)(dian)直(zhi)線電(dian)(dian)機(ji)需要兩(liang)相信(xin)(xin)號驅動(dong)電(dian)(dian)機(ji)定子工(gong)作(zuo)，利用(yong)(yong)信(xin)(xin)號發(fa)生(sheng)器，ATA-4051功率放(fang)大器，磁(ci)柵(zha)尺位移傳感器搭建實驗平(ping)臺，用(yong)(yong)來測試電(dian)(dian)機(ji)的輸出性能。使用(yong)(yong)信(xin)(xin)號發(fa)生(sheng)器生(sheng)成(cheng)方波信(xin)(xin)號，通(tong)過功率放(fang)大器放(fang)大后驅動(dong)定子工(gong)作(zuo)。使用(yong)(yong)磁(ci)柵(zha)尺傳感器測量導(dao)軌的運動(dong)位移，采用(yong)(yong)半物理(li)仿真系統對(dui)數據(ju)進(jin)行(xing)采集。

　　實(shi)驗結果(guo)(guo)：對(dui)壓電(dian)(dian)(dian)疊堆施(shi)加(jia)135V電(dian)(dian)(dian)壓，通過(guo)改(gai)變頻(pin)率(lv)以得到不同頻(pin)率(lv)下(xia)(xia)的(de)(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)輸(shu)(shu)出(chu)性(xing)能(neng)，實(shi)驗結果(guo)(guo)表明(ming)(ming)，電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)在施(shi)加(jia)70Hz頻(pin)率(lv)下(xia)(xia)，輸(shu)(shu)出(chu)性(xing)能(neng)達(da)(da)到最高，在70Hz頻(pin)率(lv)之后，電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)輸(shu)(shu)出(chu)性(xing)能(neng)開始逐(zhu)漸降(jiang)低(di)，這是由于(yu)壓電(dian)(dian)(dian)疊堆的(de)(de)(de)遲滯(zhi)現(xian)象以及定子自(zi)身產生的(de)(de)(de)阻尼造(zao)成的(de)(de)(de)。實(shi)驗結果(guo)(guo)表明(ming)(ming)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)在70Hz頻(pin)率(lv)下(xia)(xia)性(xing)能(neng)達(da)(da)到最優。其次，通過(guo)對(dui)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)施(shi)加(jia)70Hz頻(pin)率(lv)，通過(guo)改(gai)變電(dian)(dian)(dian)壓大小，得到不同電(dian)(dian)(dian)壓下(xia)(xia)，電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)輸(shu)(shu)出(chu)性(xing)能(neng)，實(shi)驗結果(guo)(guo)表明(ming)(ming)，電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)在60V電(dian)(dian)(dian)壓之后具有良好(hao)的(de)(de)(de)線(xian)性(xing)度，在135V電(dian)(dian)(dian)壓下(xia)(xia)，電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)速度達(da)(da)到最大，為5.53mm/s，先比(bi)較于(yu)其他非(fei)共(gong)振式壓電(dian)(dian)(dian)直(zhi)線(xian)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)，具有更大的(de)(de)(de)輸(shu)(shu)出(chu)速度。

　　ATA-4051高(gao)壓功率放大器(qi)

j

　　帶寬(kuan)：（-3dB）DC~500kHz

　　電壓：310Vp-p（±155Vp）

　　電流：1.41Ap

　　功率(lv)：218.55Wp

　　壓擺率：≥345V/μs

　　可程控

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