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Potential of impact-based mass estimation of individual radish tubers for real-time yield monitoring
키라가샤피크 ( Shafik Kiraga ),구란다즈아스라푸자만 ( Ashraffuzaman Gulandaz ),카비르사자둘 ( Kabir Sazzadul ),레자나심 ( Nasim Reza ),정선옥 ( Sun-ok Chung ) 한국농업기계학회 2022 한국농업기계학회 학술발표논문집 Vol.27 No.1
Yield monitoring provides information on the spatial variability of yield in the field and it is one of the basic components of precision agriculture. The objective of this study was to investigate the effects of different harvesting conditions on radish mass measurements using a double load cell impact plate. The harvesting conditions included the falling height, conveyor speed, and impact plate angle, which were simulated using an impact plate attached to a laboratory test bench. The relative error (RE), standard error (SE), and the coefficient of determination (R2) were the statistical indicators used to describe the accuracy of the estimates. Analysis of variance (ANOVA) without interaction of factors and the Duncan multiple range tests were performed using the above indicators except R2. The falling height and conveyor speed had no significant effect on radish mass measurement. In contrast, the impact plate angle significantly affected the impact plate precision. Minimum and maximum standard error of 1.68 and 4.39 were obtained at -100, 40 cm, 0.05 m/s and -500, 30 cm, 0.25 m/s, respectively. The results showed the possibility of using impact-based sensors for individual measurement of radish for real-time yield monitoring.