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中國有色金屬學(xué)報(bào)

ZHONGGUO YOUSEJINSHU XUEBAO

第17卷    第7期    總第100期    2007年7月

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文章編號: 1004-0609(2007)07-1182-06
基于圖像處理及模式聚類的二次仿真方法及其在
回轉(zhuǎn)窯溫度監(jiān)控中的應(yīng)用
李 劼,張紅亮,陳湘濤,劉代飛,鄒 忠

(中南大學(xué) 冶金科學(xué)與工程學(xué)院,長沙 410083)

摘 要:

提出一種基于圖像處理和模式聚類的二次仿真方法。應(yīng)用Fluent商業(yè)軟件對回轉(zhuǎn)窯內(nèi)粉煤在27類設(shè)定工況的燃燒進(jìn)行溫度場的三維數(shù)值模擬,將仿真結(jié)果構(gòu)建仿真結(jié)果數(shù)據(jù)庫;采用模式聚類的方法判斷實(shí)際工況屬于哪一類標(biāo)準(zhǔn)工況,調(diào)用仿真結(jié)果數(shù)據(jù)庫建立溫度與該類標(biāo)準(zhǔn)工況的數(shù)學(xué)模型,求解模型并計(jì)算實(shí)際工況下的溫度場;利用圖像處理中的偽彩色變換得到二次仿真結(jié)果,用VC++6.0來實(shí)現(xiàn)。結(jié)果表明:該方法能夠較準(zhǔn)確地給出仿真結(jié)果,極大縮短計(jì)算時(shí)間,為回轉(zhuǎn)窯內(nèi)溫度監(jiān)測提供一種新思路,具有較大的現(xiàn)場應(yīng)用價(jià)值,并很容易推廣到其他領(lǐng)域中。

 

關(guān)鍵字: 二次仿真;模式聚類;圖像處理;Fluent數(shù)值模擬;回轉(zhuǎn)窯

Secondary simulation based on pattern cluster and
image process and application in rotary kiln
temperature inspection
LI Jie, ZHANG Hong-liang, CHEN Xiang-tao, LIU Dai-fei, ZOU Zhong

School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China

Abstract:A secondary simulation method based on pattern recognition and image process was proposed. First, 3 dimensional numerical simulation of the powered coal combustion in rotary kiln was made under the 27 setting states by Fluent software, and the simulation results were constructed into a database; then, decide which class the actual state belongs to through pattern recognitions, get the simulation result of this class from database and build the mathematical model between the simulation result and input parameter, resolve the model and calculate the actual simulation result; at last, achieve the graphical simulation result by image process. The interface is realized using VC++6.0 program language. The experiments show that this method can get satisfactory simulation result in very short time, which provides a new way for the temperature inspection of rotary kiln and can be easily expanded to other field.

 

Key words: secondary simulation; pattern recognition; image process; Fluent numerical simulation; rotary kiln

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

主管:中國科學(xué)技術(shù)協(xié)會 主辦:中國有色金屬學(xué)會 承辦:中南大學(xué)
湘ICP備09001153號 版權(quán)所有:《中國有色金屬學(xué)報(bào)》編輯部
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