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1、學 號: 號:3040419234 題目類型: 題目類型:設(shè) 計 (設(shè)計、 設(shè)計、論文、報告 論文、報告)桂 林 工 學 院GUILIN UNIVERSITY OF TECHNOLOGY本 科 畢 業(yè) 設(shè) 計 (論 文 )題 目: 目:基于 基于 PLC 的混凝土 的混凝土攪拌機 拌機控制及 控制及監(jiān)控程序 控程序設(shè)計 設(shè)計 系 ( 院 ):電子與計算機系 電子與計算機系 專業(yè) 專業(yè)(
2、方向 方向):自動化(控制) 自動化(控制) 班 級: 級:自動化 自動化 04-2 04-2 班 學 生: 生: 指 導(dǎo) 教 師 :覃 彥 之 2008 2008 年 5 月 10 10 日IIThe The designing designing of of the the controlling controlling and and monit
3、oring monitoring program program for for concrete concrete mixing mixing stations stations which which based based on on PLC PLCStudent:LI Cheng-hai Teacher:QIN Yan-zhiAbstract:Concrete mixing stations were product
4、ed and developed with the birth of cement. It is the construction of the necessary equipment for buildings, bridges, roads, dams and other projects.It’sconstructed from storage materials, ingredients, stirring, di
5、scharge, and other structural components,and it is a subject to the constraints of the complex multi-link system. As China's economic construction and the rapid development, Comprehensive national strength constan
6、tly enhance the state's infrastructure construction investment increased to boost the city's rapid development of ready-mixed concrete, so that the concrete mixing stations have larger space for development, t
7、he initial Mixing station only in the form of stand-alone, self-mix concrete-occupied, with the construction of infrastructure facilities for large-scale, a lot of ready-mixed concrete market was developed, the dema
8、nd for mixing stations are larger and larger, and measures are increasingly demanded, so the mixing stations with various forms of measurement devices were developed, thereby the modern concrete mixing statio
9、n was created. Common concrete mixing stations control ways may be the three kinds: Relay direct control, PLC and computer combination of ingredients and the PLC and controller combination.But PLC con
10、troller and a combination of ingredients control of the mixing station is reliable, cost-effective and can ensure the quality of concrete, increase the production efficiency. As the core of concrete mixing s
11、tations, The controlling and monitoring program in the measurement precise, reliable control, easy management and other aspects is increasingly demanded. This paper for PLC and the combination of ingred
12、ients controller to control the mixing station will design its controlling and monitoring program . In the main text I must complet a systematic structure, the I / O distribution of PLC and prepar the work flow
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