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Video capture system machine self- test technology

Author: LiuYan
Tutor: ChenQian
School: Nanjing University of Technology and Engineering
Course: Optical Engineering
Keywords: Video Capture System BIT False alarm Power On Self Test Cycle detection
CLC: TP274.2
Type: Master's thesis
Year: 2010
Downloads: 59
Quote: 0
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Abstract


As one of the key technologies to improve the reliability of photovoltaic systems , built-in self test (Built-in Test, behind are referred BIT ) technology has become an important research direction of the field . To improve the performance of optoelectronic integrated system for the purpose of system BIT technology of infrared video capture system , between devices in the system of communication detection as well as the state of the PC side of the display , control, self-test functions . First , this paper begins with a brief introduction of the core concepts of the subject eleven BIT detection technology background and research significance . Second for video capture system , this paper the advantages of using FPGA for the detection and control of the overall system research , development environment and the types of resources and software design is required to use three described . Third, the paper on the practical application of the BIT technology and technical difficulties , the main problem is a false alarm , and conducted in-depth analysis and research , established based on FPGA overall software design process and structure of the functional framework , the BIT is divided into a power-on self-test cycle self-test in two parts , and performance characteristics for FPGA, STM32 and DM642 BIT program to complete each module implementations . Fourth, the article describes how to use the Visual C Builder program the various functions of the client software . Mainly completed features include : power-up initialization and status of each device module ; on the BIT testing procedures control , can be detected on the system at any time , and shows the working status of the device on the client interface , but also by changes in the status and information display to check whether a false alarm : the historical status information can be kept displayed in the interface can also be removed at any time . Finally, prior research in three modules and PC side of the operation of the software , to do the work and the problems were summarized and reflection .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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