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VB-based voltage data acquisition and database query system implementation

Author: WangZhenJie
Tutor: WuJin；YangZuoMing
School: University of Electronic Science and Technology
Course: Software Engineering
Keywords: Data Collection DLL Datebase API
CLC: TP311.13
Type: Master's thesis
Year: 2011
Downloads: 187
Quote: 0
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Abstract


As the development of the computer technology, data acquisition has great meanings in manufacturing industry and living. Data acquisition connects artificial intelligence with external physical world, it has been widely used in various fields. In every field, data acquisition, conversion and procession play an important role in the controls of a whole system. But In the actual field data collection, how to solve data acquisition, conversion and procession is the key of a control system, because of how to handle the data are differents between different signals. When sampling the data, the noise signal will Increase the difficulty of the real signal acquisition. So how to get the needed data in the field and store it in a rational data base for the query and handle in the future is becoming an important issue.In this paper, using VB as the development environment, because VB is an visual program which will ease the difficult in design the database.Combining the characteristics of field data collection, this paper presents an efficient program of data collection, which using the Dynamic Link Library to achieve data acquisition. By using the characteristic of sharing the resource and code of DLL, user can design *.exe files without change the code frequently.application code and resource sharing features, can separate DLL and the user program, the user can be more frequent need to update the DLL without having to change a good integrated executable. Exe programs.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Programming > Database theory and systems
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