| Summary: | 碩士 === 國立交通大學 === 多媒體工程研究所 === 97 === The microrouter is an important tool used to cut a printed circuit boards (PCB). The microrouter manufacture products a variety of microrouters to fulfill distinct customer’s requirements. The traditional way to control the quality of microrouter depends on human inspectors. As the diameter of the microrouter gets smaller, it is more difficult for human inspectors to examine the microrouter’s quality.
In this thesis, we proposed an auto-optical measurement system by using machine vision method. We designed and applied digital image processing to capture the feature points on microrouter fishtail and then calculate the characteristics of the microrouter including right hook deep (RHD), the rake and the gap. Experimentation results revealed that the developed measurement system can objectively and effectively measures the characteristics of microrouter in different sizes and different types. In addition, the system can avoid measurement error caused by the human inspectors due to long-term working. The accurate and robust assistant remind producer to immediately fine-tune the processing machine if the results of the measurement deviate from the designed specifications.
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