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Alternative TitleThe Design and Implementation of a Digitized Water Display System
Thesis Advisor曾大军 ; 耿征
Degree Grantor中国科学院研究生院
Place of Conferral中国科学院自动化研究所
Degree Discipline控制理论与控制工程
Keyword数字水幕 Rs-485 通信协议 电磁阀 模块化 Digitized Water Display Rs-485 Communication Protocol Electromagnetic Valve Modularized
Other AbstractThis thesis describes a two-year research and development effort in designing, implementing, operating, and improving a novel digitized water display (DWD) system and related technologies. With the increasing maturation of display technologies, diversified development is a new trend. Flat screen displays have become pervasive and omnipresent in modern society and people have developed fatigues on "regular format" of traditional displays. Novel display mechanism and technologies, together with user interactive contents, would enable a strong visual impact. To explore this possibility, we have developed an unconventional digitized water display (DWD) system and have successfully implemented a fully operational DWD system with four modules in China Science and Technology Museum (CSTM). In sharp contrast to traditional display screens which use the brightness/color of built-in array of pixels on a flat panel to display information contents, the DWD system has no fixed display screen. Instead, we use an array of water nozzles to precisely control the timing of water drops so that the pattern of water drops form a dynamic display screen to show text/graphic information. In this thesis, the system architecture of digitized water display (DWD) is analyzed first, and modularized design is used for core parts and control circuit. Such digitized water display can be easily scaled to several meters in height and width, and is able to produce impressive visual impact, making it well suited for various indoor/outdoor digital signage applications such as advertisements in exhibitions, hotels and shopping malls. After analyzing the structure issue of DWD system, an MCU-based control circuit, communication protocol and software based on RS-485 bus is designed and implemented. Finally, we have designed a two-in-one combined water tank and multi-nozzle electromagnetic valves. The DWD system constructed in China science and Technology Museum (CSTM) has been running stably, and it has been one of the most attractive items in the exhibition.
Other Identifier200728014628001
Document Type学位论文
Recommended Citation
GB/T 7714
陶钧. 大型数字水幕系统的设计与实现[D]. 中国科学院自动化研究所. 中国科学院研究生院,2010.
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