【中英雙語】410關(guān)于自動化plc恒壓供水系統(tǒng)設(shè)計控制管理有關(guān)的外文文獻(xiàn)翻譯成品：基于plc和模糊控制的變頻調(diào)速恒壓供水系統(tǒng)（中英文雙語對照）

1、此文檔是畢業(yè)設(shè)計外文翻譯成品（ 含英文原文+中文翻譯） ，無需調(diào)整復(fù)雜的格式！下載之后直接可用，方便快捷！本文價格不貴,也就幾十塊錢！一輩子也就一次的事！外文標(biāo)題：The Variable Frequency and Speed Regulation Constant Pressure Water Supply System Based on PLC and Fuzzy Control外文作者：Peng Xiaohong, Xiao L

2、aisheng ，Mo Zhi，Liu Guodong 文獻(xiàn)出處: 2018 International Conference on Measuring Technology and Mechatronics Automation (如覺得年份太老，可改為近 2 年，畢竟很多畢業(yè)生都這樣做)英文 2684 單詞，16878 字符(字符就是印刷符)，中文 4000 漢字。 （如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容

3、進(jìn)行翻譯的。 ）The Variable Frequency and Speed Regulation Constant Pressure Water Supply System Based on PLC and Fuzzy ControlAbstract—For solving the problem of poor quality and waste of electric energy coursed by water suppl

4、y mode of a high water tower and a direct water pump, introduce a constant pressure supply water system, which adopts embedded fuzzy control technology, using PLC and frequency convener as its core. When the system runs,

5、 water pressure of the pipe is inputted into the PLC from terminal X0 through pressure transmitter. Comparing the value of measured pressure with its set value, PLC controls the work frequency of the frequency converter

6、by the output signal on fuzzy calculation in order to control rotation speed of water pump and adjust water pressure of the pipe. The real time control performance to the water Pressure of water supply system designed in

7、 this paper was proved to be all-right according to the experimentation validated. The hard ware module is steady-going and reliable, and the fuzzy controller is proper and valid and can guarantee the better stability of

8、 water pressure.Keywords-fuzzy control; PLC; variable frequency and speed regulationachieve fuzzy logic control table by fuzzy reasoning according to the rule table made by operating experience. In the course of real-tim

9、e control, the system transforms input signal of pressure detected in real-time into output by seeking fuzzy logic control table, and then we obtain a precise output by fuzzy decision-making. At last, the system complete

10、s the whole process of fuzzy logic control for constant water pressure by controlling the frequency of motor according to the precise output. After a lot of test, we have proved that the constant pressure water supply sy

11、stem designed in this paper has a good performance of real-time control and its hardware modules work stably and reliably. The adaptive fuzzy controller designed here is also correct and effective for guaranteeing the st

12、ability of the water pressure on pipeline and it is really a better control system.II.SYSTEM CONTROL SCHEMEA.The principle of system controlThree pumps run in parallel in the system. PLC has a periodic real-time detectio

13、n on a given pressure and actual pressure on pipe network, and their values are put into PLC. Fuzzy controller computes their deviation E and changes in the rate of deviation E. Output control signals from the fuzzy cont

14、rol algorithm are gained, which are sent to converter through analog output module to adjust the pump motor power supply voltage and frequency. When there is the small amount of water, one pump has a stable operation und

15、er the control of a frequency converter. When the amount of water is so much that water pump which runs at full speed cannot guarantee the stable pressure on the pipe network, lower limit pressure signal on PLC and the h

16、igh-speed signal on converter was detected by PLC at the same time. PLC transforms the first pump from variable frequency state to work frequency state in order to keep pressure continuity, while another pump which is st

17、arted by frequency converter begins to run in order to keep stable pressure by increasing the volume of the water supply network. If the operation of the two pumps cannot meet the requirements of the pressure, the pump w

18、hich is working in variable frequency state is transformed to work frequency state, and another pump will be started. When the water consumption reduces, the signal which shows that the frequency converter works at the m

19、inimum speed is effective. At this time if the pressure upper limit signal is still being, PLC will stop the first pump which works at work frequency state to reduce the amount of water. When the two signals are still be