控(kong)製(zhi)是(shi)一(yi)個(ge)具(ju)有(you)廣(guang)泛(fan)意(yi)義(yi)的(de)概(gai)念(nian)。可(ke)以(yi)指(zhi)人(ren)與(yu)人(ren)之(zhi)間(jian)的(de)關(guan)係(xi)，也(ye)可(ke)以(yi)指(zhi)其(qi)他(ta)關(guan)係(xi)。當(dang)指(zhi)人(ren)機(ji)關(guan)係(xi)時(shi)，稱(cheng)為(wei)手(shou)動(dong)控(kong)製(zhi)，當(dang)控(kong)製(zhi)隻(zhi)涉(she)及(ji)機(ji)器(qi)或(huo)設(she)備(bei)時(shi)，稱(cheng)為(wei)自(zi)動(dong)控(kong)製(zhi)。手(shou)動(dong)控(kong)製(zhi)：指人對機器或設備的操作，以使其保持所需的狀態。
如ru果guo實shi際ji速su度du下xia降jiang到dao低di於yu所suo希xi望wang的de速su度du值zhi，調tiao速su器qi的de離li心xin力li減jian小xiao，使shi得de控kong製zhi閥fa上shang升sheng，進jin入ru的de蒸zheng汽qi量liang增zeng加jia，蒸zheng汽qi機ji的de速su度du也ye相xiang應ying增zeng加jia，直zhi到dao上shang升sheng到dao所suo希xi望wang的de速su度du值zhi。相xiang反fan，如ru果guo蒸zheng汽qi機ji的de速su度du增zeng加jia超chao過guo所suo需xu的de速su度du值zhi，調tiao速su器qi的de離li心xin力li將jiang增zeng加jia，導dao致zhi控kong製zhi閥fa向xiang下xia移yi動dong。這zhe樣yang進jin入ru的de蒸zheng汽qi量liang就jiu減jian少shao了le，蒸zheng汽qi機ji的de轉zhuan速su也ye就jiu降jiang低di了le。直zhi到dao它ta下xia降jiang到dao期qi望wang的de速su度du值zhi。
對dui於yu穩wen定ding係xi統tong，被bei控kong變bian量liang在zai輸shu入ru信xin號hao或huo擾rao動dong的de作zuo用yong下xia從cong原yuan來lai的de平ping衡heng狀zhuang態tai變bian化hua到dao新xin的de平ping衡heng狀zhuang態tai的de過guo程cheng用yong瞬shun態tai特te性xing來lai描miao述shu。要yao求qiu係xi統tong的de響xiang應ying過guo程cheng快kuai速su、平穩。係統的瞬態特性用調節時間和很大超調量來表示。表示係統的快速性，描述係統跟蹤輸入信號的能力。表示響應過程的平穩性。
xitongdekongzhijingduyongwentaiwuchalaimiaoshu。duiyuyigewendingdexitong，zaishuruxinhaodezuoyongxia，xitongdeshuchujinruxiangyingguocheng。dangtajiejinwuqiongdashi，shuntaixiangyingjieshu，xitongdadaolingyigewentai。cishi，xitongdeshuchuyugeidingdeshuruzhijianshifoucunzaiwucha，wuchayouduoda，zhejiushixitongdewentaixingneng，yongwentaiwuchalaibiaoshi。kejian，wentaiwuchashibiaozhengxitongkongzhijingdudeyigezhibiao。shejikongzhixitongshi，wentaiwuchayuexiaoyuehao。
