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http://dx.doi.org/10.14775/ksmpe.2020.19.01.089

Consumed-Power and Load Characteristics of Potato Harvesting Operation in Dry Field  

Lee, Ju-Yeon (Department of Biosystems Engineering, Kangwon National University)
Hwang, Seok-Joon (Department of Biosystems Engineering, Kangwon National University)
Nam, Ju-Seok (Department of Biosystems Engineering, Kangwon National University)
Kim, Jeong-Gil (Convergence Components & Agricultural Machinery Group, Korea Institute of Industrial Technology)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.19, no.1, 2020 , pp. 89-99 More about this Journal
Abstract
This study analyzed the load and the consumed power characteristics of a potato harvesting operation in a dry field. The potato harvesting operation was performed using an underground crop harvester mounted on an agricultural tractor with a rated engine power of 23.7 kW. The rotational speeds and the torque of the engine output shaft, rear axle, and power take-off (PTO) shaft were measured under various working conditions. The load spectrum and the consumed power were analyzed using the measured data. The results show that the consumed power of the rear axle increased as the working speed increased, while that of the PTO shaft decreased. The consumed power of the engine output shaft showed a similar trend with that of the PTO shaft, but the torque deviation was larger in the load spectrum. The results of previous studies were used to compare herein the consumed power and the load characteristics of the harvesting, rotary, and plow operations in a dry field. PTO and tractive power were highly consumed in the plow and rotary operations, respectively. The consumed power of the PTO shaft and the rear axle in the harvesting operation were 29-41% and 18-23% of the engine power, respectively. Compared to those in the rotary and plow operations, the engine power was relatively evenly distributed to the PTO shaft and rear axle in the harvesting operation.
Keywords
Consumed-Power; Load Characteristic; Load Spectrum; Underground Crops Harvester;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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