PLC控制的恒壓供水系統(tǒng)設(shè)計

全文約4300字 論述翔實

摘要：本文主要針對當前供水系統(tǒng)中存在的自動化程度不高、能耗嚴重、可靠性低的缺點加以研究，開發(fā)出一種新型的并在這三個方面都有所提高的PLC控制的恒壓供水系統(tǒng)。系統(tǒng)中采用了數(shù)字濾波技術(shù)和數(shù)字PID控制技術(shù)，有效的減小了系統(tǒng)中的干擾，提高了系統(tǒng)的穩(wěn)定性。

關(guān)鍵詞：可編程序控制器,變頻器,數(shù)字PID,恒壓供水

Design of Constant Pressure Water Supply System Controlled by PLC
Zhao Tao-ning，Liu Bo
（Grade 2001,Electrical Engineering and its Automation, Department of Electronics & Electrical Engineering, Baoji University of Arts & Sciences）
Supervisor：Liu Xia
[Abstract]: In the thesis, the disadvantages and problems need to be resolved of current supporting water system are briefly analyzed, and a new system, which has great advance in automation, reliability and saving energy, is studied and described. The technology of digital filtrating wave and digital PID controlling is introduced in this system ,which effectively reduces the interference and improves the stability of the system
[Key words]： PLC ; frequency conversion speed adjusting ;digital PID ;constant pressure water supply

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