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Amplification factor of pneumatic regulating valve
The author: Time:2019/10/18

    在整個(gè)調(diào)節(jié)范圍內(nèi),自動(dòng)化調(diào)節(jié)系統(tǒng)的品質(zhì)指標(biāo)依賴于系統(tǒng)的放大系數(shù)。如在整個(gè)調(diào)節(jié)范圍內(nèi),系統(tǒng)放大系數(shù)是個(gè)常數(shù),氣動(dòng)調(diào)節(jié)閥則在調(diào)節(jié)過程的品質(zhì)指標(biāo)不受放大系數(shù)的影響;如放大系數(shù)是變化的,它將影響調(diào)節(jié)過程的品質(zhì)指標(biāo)。
    氣動(dòng)調(diào)節(jié)閥在自動(dòng)化元件具有線性靜態(tài)特性曲線時(shí),對(duì)于已設(shè)計(jì)的調(diào)節(jié)閥,在整個(gè)工作范圍內(nèi)放大系數(shù)是個(gè)常數(shù)。如自動(dòng)化元件具有非線性的靜態(tài)特性,則在工作范圍內(nèi)放大系數(shù)是變化的。由此可見,后面這類調(diào)節(jié)閥實(shí)際上是一個(gè)非線性元件。

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