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PID調節儀(yi)是(shi)利用PID（P比例(li)、I積分、D微分）進行(xing)調節的儀(yi)表，主要用于窯(yao)爐的溫度(du)控(kong)制，它可省去伺(si)服放(fang)大器直接(jie)驅(qu)動(dong)執行(xing)機構，廣泛(fan)用于陶瓷、玻璃等行(xing)業。可與各類傳感器、變送器配合使用。

目前工業自(zi)動(dong)化水(shui)(shui)平(ping)已成(cheng)為(wei)衡量(liang)各行各業現(xian)代(dai)化水(shui)(shui)平(ping)的一個重(zhong)要標志。同時，控(kong)(kong)制(zhi)理論(lun)的發展也(ye)經(jing)歷了(le)古典控(kong)(kong)制(zhi)理論(lun)、現(xian)代(dai)控(kong)(kong)制(zhi)理論(lun)和智能控(kong)(kong)制(zhi)理論(lun)三個階(jie)段。智能控(kong)(kong)制(zhi)的典型(xing)實例是模糊全(quan)自(zi)動(dong)洗衣(yi)機等。自(zi)動(dong)控(kong)(kong)制(zhi)系(xi)統可分為(wei)開環控(kong)(kong)制(zhi)系(xi)統和閉環控(kong)(kong)制(zhi)系(xi)統。一個控(kong)(kong)制(zhi)系(xi)統包括控(kong)(kong)制(zhi)器(qi)﹑傳(chuan)感器(qi)、變送(song)器(qi)、執(zhi)行機構、輸(shu)入輸(shu)出(chu)接(jie)口。控(kong)(kong)制(zhi)器(qi)的輸(shu)出(chu)經(jing)過(guo)(guo)輸(shu)出(chu)接(jie)口、執(zhi)行機構，加到被控(kong)(kong)系(xi)統上;控(kong)(kong)制(zhi)系(xi)統的被控(kong)(kong)量(liang)，經(jing)過(guo)(guo)傳(chuan)感器(qi)，變送(song)器(qi)，通過(guo)(guo)輸(shu)入接(jie)口送(song)到控(kong)(kong)制(zhi)

目前工業(ye)自(zi)動化(hua)(hua)水平(ping)已(yi)成為衡量各(ge)(ge)行(xing)(xing)(xing)各(ge)(ge)業(ye)現(xian)代化(hua)(hua)水平(ping)的(de)一(yi)個重要標志。同(tong)時，控(kong)制(zhi)理(li)(li)論(lun)(lun)的(de)發(fa)展也(ye)經(jing)歷了(le)古典控(kong)制(zhi)理(li)(li)論(lun)(lun)、現(xian)代控(kong)制(zhi)理(li)(li)論(lun)(lun)和(he)智(zhi)能控(kong)制(zhi)理(li)(li)論(lun)(lun)三(san)個階段。智(zhi)能控(kong)制(zhi)的(de)典型(xing)實例是模糊全自(zi)動洗衣機等。自(zi)動控(kong)制(zhi)系統(tong)(tong)(tong)可分為開環(huan)控(kong)制(zhi)系統(tong)(tong)(tong)和(he)閉(bi)環(huan)控(kong)制(zhi)系統(tong)(tong)(tong)。一(yi)個控(kong)制(zhi)系統(tong)(tong)(tong)包括控(kong)制(zhi)器(qi)(qi)﹑傳感(gan)器(qi)(qi)、變(bian)送器(qi)(qi)、執行(xing)(xing)(xing)機構、輸(shu)(shu)入(ru)輸(shu)(shu)出接口(kou)(kou)。控(kong)制(zhi)器(qi)(qi)的(de)輸(shu)(shu)出經(jing)過輸(shu)(shu)出接口(kou)(kou)、執行(xing)(xing)(xing)機構，加到(dao)(dao)被控(kong)系統(tong)(tong)(tong)上;控(kong)制(zhi)系統(tong)(tong)(tong)的(de)被控(kong)量，經(jing)過傳感(gan)器(qi)(qi)，變(bian)送器(qi)(qi)，通過輸(shu)(shu)入(ru)接口(kou)(kou)送到(dao)(dao)控(kong)制(zhi)