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오늘 본 자료
A Hardware Neural Network for External Inspection
Seungwoo CHUN,Yoshihiro HAYAKAWA,Koji NAKAJIMA 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
At factories, the external inspection of final products relies on visual inspection, which is based on experience and instinct. With such method it is difficult to reduce time and production cost, and hence an automatic inspection system is desired. We used a hardware backpropagation(BP) system enabling high-speed judgment and learning. In order to increase the operation speed, we have implemented parallel and pipeline processing in the hardware. Our hardware BP system could complete the process within 1.37㎲. However, there was a case where learning could not be completed by such method. Therefore, we suggest an improved method to solve the problem in this paper.