蘇州枕式包裝機自動控(kong)制系統的性能指(zhi)標主(zhu)要有穩(wen)定性、快速(su)性、準確性。

1、穩定性

由于全(quan)自(zi)動(dong)包裝(zhuang)機自(zi)動(dong)控制(zhi)系(xi)統(tong)(tong)(tong)存在(zai)慣性，當系(xi)統(tong)(tong)(tong)的各個參數分配(pei)不(bu)當時，將會引起系(xi)統(tong)(tong)(tong)的振(zhen)蕩而(er)失去工(gong)作(zuo)能力。穩(wen)(wen)定(ding)(ding)性就(jiu)是(shi)指動(dong)態過程的振(zhen)蕩傾向和系(xi)統(tong)(tong)(tong)恢復平衡狀態的能力。當擾(rao)動(dong)或給定(ding)(ding)值(zhi)發(fa)生變化時，輸出量將會偏離原(yuan)來(lai)的穩(wen)(wen)定(ding)(ding)值(zhi)，依靠反饋作(zuo)用，通過全(quan)自(zi)動(dong)包裝(zhuang)機自(zi)動(dong)控制(zhi)系(xi)統(tong)(tong)(tong)內部的調節(jie)作(zuo)用，系(xi)統(tong)(tong)(tong)隨時間不(bu)斷收斂，并(bing)回到(dao)原(yuan)來(lai)的穩(wen)(wen)定(ding)(ding)值(zhi)或跟隨給定(ding)(ding)值(zhi)穩(wen)(wen)定(ding)(ding)下來(lai)。如果由于某種原(yuan)因，系(xi)統(tong)(tong)(tong)出現發(fa)散而(er)處(chu)于不(bu)穩(wen)(wen)定(ding)(ding)狀態，系(xi)統(tong)(tong)(tong)無法工(gong)作(zuo)。穩(wen)(wen)定(ding)(ding)性要(yao)求是(shi)系(xi)統(tong)(tong)(tong)工(gong)作(zuo)的首要(yao)條(tiao)件(jian)。 　　

2、快速性

由(you)于存在慣性或能源(yuan)功率(lv)的限制，全自動(dong)包裝機自動(dong)控制系統中的各種(zhong)量值(zhi)的變化不可能突(tu)變，由(you)一(yi)個穩(wen)態過渡到新(xin)的穩(wen)態，都需要定(ding)(ding)時間，即需要經歷一(yi)個過渡過程(cheng)。快(kuai)速(su)性表示系統輸出量與給(gei)定(ding)(ding)值(zhi)之間產生偏(pian)差(cha)時，系統消除偏(pian)差(cha)恢復(fu)穩(wen)態的快(kuai)速(su)程(cheng)度。 　　

3、準確性

準確性(xing)(xing)也稱靜態精(jing)度(du)，指(zhi)全自(zi)動包裝機自(zi)動控制系統(tong)(tong)(tong)(tong)(tong)在調(diao)整(zheng)過(guo)程結束后輸(shu)出量與給定(ding)值之間的偏差，表明系統(tong)(tong)(tong)(tong)(tong)的準確程度(du)，也是衡量系統(tong)(tong)(tong)(tong)(tong)工(gong)作(zuo)性(xing)(xing)能(neng)(neng)的重(zhong)要(yao)指(zhi)標。由(you)于受控對(dui)象(xiang)的具體情況不(bu)同(tong)，不(bu)同(tong)系統(tong)(tong)(tong)(tong)(tong)對(dui)穩(wen)(wen)、準、快(kuai)的要(yao)求(qiu)也各(ge)不(bu)相同(tong)。例(li)如，隨動系統(tong)(tong)(tong)(tong)(tong)對(dui)快(kuai)速性(xing)(xing)要(yao)求(qiu)很高，而調(diao)速系統(tong)(tong)(tong)(tong)(tong)則對(dui)穩(wen)(wen)定(ding)性(xing)(xing)的要(yao)求(qiu)嚴格。同(tong)一系統(tong)(tong)(tong)(tong)(tong)性(xing)(xing)能(neng)(neng)在穩(wen)(wen)、準、快(kuai)之間是相互制約的，快(kuai)速性(xing)(xing)能(neng)(neng)好(hao)的系統(tong)(tong)(tong)(tong)(tong)，有可(ke)能(neng)(neng)易產生(sheng)振(zhen)蕩;穩(wen)(wen)定(ding)性(xing)(xing)好(hao)的系統(tong)(tong)(tong)(tong)(tong)，調(diao)整(zheng)過(guo)程有可(ke)能(neng)(neng)較(jiao)慢，準確性(xing)(xing)也可(ke)能(neng)(neng)變差。

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