外文翻譯---基于新的溫室環(huán)境參數(shù)監(jiān)測和控制系統(tǒng)

1、中文 中文 3730 3730 字本科畢業(yè)設(shè)計(jì) 本科畢業(yè)設(shè)計(jì)（外文翻譯） （外文翻譯）題 目 姓 名 專 業(yè) 自動化 學(xué) 號 指導(dǎo)教師 二○一四年五月 二○一四年五月外文翻譯2low-priced P

2、C,taking the PC as the upper machine,taking the different function control modules composed of multiple microcomputers as the lower machines,then a master-slave distributed and intelligent control system bases on microco

3、mputer is made up,by which both better monitoring and control,display and data collection or management are achieved,but also lower cost of system is get according to the actual need.II SYSTEM STRUCTURE AND PRINCIPLEThe

4、most marked feature of the distribution combined and intelligent control system greenhouse is that of incorporating with data acquisition, control and management as a whole,module combination, simple structure,convenient

5、 human-computer interaction,and using technology of intelligent expert fuzzy control,which can adapt to a variety of crop management control in greenhouse.The basic structure of the system is shown in Fig.1.The structure

6、 of the distributed system is composed of two layers:the upper and lower.In the top-price PC is taken as the host to make system management and experts fuzzy operation in intelligent,and to provide a friendly human-compu

7、ter interface,and to realize the united monitoring and management of greenhouse; the lower is composed of a series of modules of different function,and in each module,a single chip of AT89C is adopted as the lower machin

8、e,RS485 is used to communicate PC with all AT89C,and then the collection,processing and control of the greenhouse parameters is achieved.Each function module is completely isolated in electrical,any failure on the nodule