Our product driven by y - h marine motor is approved by china classification society that it is suitable to match with marine product as a boiler feed pump of for other use 我廠產(chǎn)品,采用y - h型船用電機驅(qū)動,通過中國船級社形式認可,可與船用產(chǎn)品配套,作為船用泵或船用鍋爐給水泵,船用消防泵
According to simulation research of two control strategies , the simulation results show that the improved fuzzy controllers have improved control and achieve desired control results of oil feeding pump system 通過對上述兩種方案的仿真研究,結(jié)果表明改進后的模糊控制器改善了系統(tǒng)的控制性能,達到預(yù)期的控制效果。
To insure higher milk production and prevent breast diseases such as mastitis , feeders , for yeas , have kept feed pumped full of some chemicals such as antibiotics and hormones during cows and goats breeding 目前魚蝦養(yǎng)殖普遍存在著飼料利用率低,生長緩慢,由病毒細菌霉菌引起的各種疾病較多,死亡率較高,導致魚蝦產(chǎn)量較低。
Oil feeding pump system is a complex system , which exits serious non - linearity > time - delay , strong couple and some unascertained factors , so it ca n ' t achieve better results by traditional control methods 輸油泵系統(tǒng)是一個具有較強非線性、滯后性、強耦合和多種不確定因素的復雜被控系統(tǒng),采用傳統(tǒng)的控制方法難以實現(xiàn)對輸油泵系統(tǒng)的良好控制。
Increase milk yield improve milk quality to insure higher milk production and prevent breast diseases such as mastitis , feeders , for yeas , have kept feed pumped full of some chemicals such as antibiotics and hormones during cows and goats breeding 長期以來,在牛羊飼養(yǎng)過程中,飼養(yǎng)者為提高產(chǎn)乳量和防治乳腺疾病,在飼料中添加了抗生素激素化學制劑,致使乳汁中含有抗生素等藥殘,嚴重危害人體健康。
Nozzle 、 valve 、 plunger 、 repair kit 、 ve pump parts 、 pencil nozzle 、 feed pump 、 cam plate 、 drive shaft 、 the electromagnetism 、 valve mourns the blue the series of plunger 、 allocation pump null fitting eries 我廠專業(yè)生產(chǎn)柴油燃油噴射注射系統(tǒng),主要有油嘴,柱塞, ve泵,總成,博世,電裝,出油閥,凸輪盤,輸油泵,傳動軸,修理包,滾輪座,十字塊,杰克賽爾,分配泵零配件系列,電磁閥吊藍柱塞系列,柴油噴射系統(tǒng)柱塞配件等產(chǎn)品。
And farther study of the thermal exchange efficiency of condenser under the condition of conjugating the performance of condenser and the performance of feed pump . base on the experiment , and draw forth new measures of how to increase the vacuum and the thermal exchange efficiency of condenser , and put forward new calculating methods for the inspection of work condition of pump system and provide some theory reference for the inspection of work condition of condenser and saving energy 在此基礎(chǔ)上,又將循環(huán)水泵的工況與凝汽器的工況結(jié)合起來考慮凝汽器的性能,從現(xiàn)場試驗中,考證了循環(huán)水泵的性能與凝汽器之間的匹配關(guān)系,確定了循環(huán)水泵改造的性能參數(shù),分析了提高凝汽器真空和凝汽器的換熱效率的方法,對凝結(jié)、循環(huán)冷卻水系統(tǒng)的性能監(jiān)視及節(jié)能改造提供了一定的理論依據(jù)。
Establishing on the foundation of the project of " the monitoring state and maintenance assist support system of feed pump for 300mw unit , shiheng power plant , shandong " , this paper ' s content comprise on - line monitoring and thermodynamic calculation on small steam turbine for feed water pump , and supply the necessary data for feed water pump ' s performance analysis , trouble analysis and small steam turbine ' s performance analysis , optimization , heat stress calculation and tremble monitoring <中文摘要> =本論文的內(nèi)容是建立在“山東石橫電廠給水泵狀態(tài)監(jiān)測與維修輔助支持系統(tǒng)”項目基礎(chǔ)上,涉及大型機組鍋爐給水泵驅(qū)動用小汽輪機進行在線監(jiān)測和熱力計算,為給水泵的性能分析、故障分析以及小汽輪機的性能分析和優(yōu)化、熱應(yīng)力計算和震動監(jiān)測提供必需的數(shù)據(jù)。
Perfection and adjustment according to system properties , it combines genetic algorithms with fuzzy control , detailed analyzes the problem of designing fuzzy controller and proposes two advanced schemes : first scheme : the change - of - variables are emerged into input variables of the simple fuzzy controllers of oil feeding pump system as one variable , and one pi block is connected after output of fuzzy controllers , consequently the structure of the improved fuzzy controller is analyzed , finally genetic algorithms with adaptive probabilities of crossover and mutation is applied to optimize membership functions and fusing factors of the fuzzy controllers , and the simulation results of before and after optimization are compared 由于在模糊控制器的設(shè)計過程中存在較多的人為因素,為了實現(xiàn)根據(jù)系統(tǒng)特性對模糊規(guī)則和隸屬函數(shù)進行自動修正、完善和調(diào)整,本文將遺傳算法和模糊控制結(jié)合起來,并針對前面設(shè)計的模糊控制器中所存在的問題進行了詳細分析,提出了兩種改進方案: 1在簡單模糊控制器的輸入變量中加入了變量變化率的信息,即將輸入變量和變量的變化率融合為一個輸入量,并在模糊控制器的輸出端加入比例、積分環(huán)節(jié),然后分析了這種改進后的模糊控制器的解析結(jié)構(gòu),最后采用改進后的自適應(yīng)遺傳算子的遺傳算法對模糊控制器中的隸屬函數(shù)和融合因子進行優(yōu)化,并將優(yōu)化前后的結(jié)果作了比較和分析。 2
This paper adopts the thermodynamic method to on - line monitor the performance of the feed pump and on the base of the method develops the feed pump status monitoring system . the system has been applied to one power plant 2qomw unit and reached the good improvements of safety and economy for the unit operation . dai ri - jun ( feng zhen power plant ) directed by prof 本文在充分研究給水泵效率在線監(jiān)測方法和故障機理的前提下,采用熱力學法對給水泵進行性能在線監(jiān)測,同時開發(fā)了狀態(tài)監(jiān)測系統(tǒng),并將二者合二為一,成功地應(yīng)用于200mw機組的給水泵,提高了機組的運行的安全性與經(jīng)濟性。