Use of Machine Vision to Improve Performance of and Reduce Loss from a Paddy Husker

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SHAKER S.; MINAEI S.; KHOSHTAGHAZA M.H.; BANAKAR A.; JAFARI A.

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Journal: Agricultural Mechanization and Systems Research Year:2016 | Volume:16 | Issue:65 Page(s): 47-64

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Title

Use of Machine Vision to Improve Performance of and Reduce Loss from a Paddy Husker

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Keywords

Automatic Control

Husker

Machine Vision

Paddy

Abstract

The current study developed and tested Machine Vision and Automatic Control systems to improve performance and reduce rice loss during Paddy husking. This system was optimally adjusted for Paddy type, moisture content of Paddy, roller spacing and rotational speed of the motor. The percentage of breakage of rice kernels was determined using a Machine Vision system and a singulation device. If rice breakage was greater than a set point, the Husker device was adjusted as necessary. The variables of Paddy moisture content, roller spacing, and motor rotational speed were used to determine the working conditions of the Husker for two Paddy varieties. The dependent variables were husking index and rice kernel breakage percentage. An image processing algorithm was coded and evaluated in MATLAB software to determine the percentage of rice kernel breakage. The results showed that selection of proper treatment for the medium-sized kernel Paddy, the average husking index was 82. 65% and the average rice breakage was 3. 88%. For the long kernel Paddy, the average husking index and rice breakage were 51. 4% and 27. 46%, respectively. Without use of the system and with improper selection of motor rotational speed and roller spacing in the medium-sized kernel Paddy produced a husking index of 61. 58% and rice breakage of 7. 51%. For the long kernel Paddy, the husking index was 19. 14% and rice breakage was 35. 03%. Results from the algorithm showed that its accuracy was 91. 81%. Evaluation of the singulation device showed that a suction of-45 to-50 mmHg yielded an appropriate 81. 3% separation efficiency. The best combination of the machine parameter levels were programmed into the system, which operated to make the proper adjustments automatically. This resulted in the most appropriate working conditions for husking in accordance with Paddy variety, Paddy moisture content, roller spacing, and motor rotational speed.

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APA: Copy

SHAKER, S., MINAEI, S., KHOSHTAGHAZA, M.H., BANAKAR, A., & JAFARI, A.. (2016). Use of Machine Vision to Improve Performance of and Reduce Loss from a Paddy Husker. AGRICULTURAL MECHANIZATION AND SYSTEMS RESEARCH (JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH), 16(65 ), 47-64. SID. https://sid.ir/paper/267932/en

Vancouver: Copy

SHAKER S., MINAEI S., KHOSHTAGHAZA M.H., BANAKAR A., JAFARI A.. Use of Machine Vision to Improve Performance of and Reduce Loss from a Paddy Husker. AGRICULTURAL MECHANIZATION AND SYSTEMS RESEARCH (JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH)[Internet]. 2016;16(65 ):47-64. Available from: https://sid.ir/paper/267932/en

IEEE: Copy

S. SHAKER, S. MINAEI, M.H. KHOSHTAGHAZA, A. BANAKAR, and A. JAFARI, “Use of Machine Vision to Improve Performance of and Reduce Loss from a Paddy Husker,” AGRICULTURAL MECHANIZATION AND SYSTEMS RESEARCH (JOURNAL OF AGRICULTURAL ENGINEERING RESEARCH), vol. 16, no. 65 , pp. 47–64, 2016, [Online]. Available: https://sid.ir/paper/267932/en

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