Journal of Biosystems Engineering

Korean Society for Agricultural Machinery (한국농업기계학회)
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Echelon Feeder of Brown Rice for On-line Inspection Using Image Processing

영상처리식 온라인 품위판정을 위한 현미의 정렬공급장치

  • Kim, Tae-Min (Korea Advanced Institute of Science and Technology) ;
  • Noh, Sang-Ha (Department of Biosystems Engineering, Seoul National University)
  • Received : 2010.02.17
  • Accepted : 2010.06.15
  • Published : 2010.06.25
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Abstract

An automatic echelon feeder of brown rice was presented for quality inspection system using color image processing. A echelon feeder was developed with vibratory feeder and cylindrical indent singulator having oblique light. The vibratory feeder consisted of a hopper, electromagnetic vibrator and multichannel grooves and supply the grain sample to the singulator. The feeding performance such as feed rate, blocking frequency of the channel was dependent on the size of groove and vibration pattern. A cylindrical indent singulator consisted of a rotating cylinder, prisms and a tungsten-halogen light source. It delivered grain kernels under the camera in a echelon form and illuminate the kernels with oblique ray and ambient light. The size of the indents installed on the surface of the rotating cylinder was determined by the dimensions of the paddy and a small triangular prism was placed in each indent to apply $ 20^{\circ}$ oblique light to the grain kernel.

Keywords

References

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