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Design of Motor-driven Traveling System for High Clearance Working Machinery based on Tractive Performance and Hill Climbing Ability
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 Title & Authors
Design of Motor-driven Traveling System for High Clearance Working Machinery based on Tractive Performance and Hill Climbing Ability
Lee, Sangsik; Jang, Seyoon; Kim, Taesoo; Nam, Kyoucheol; Park, Wonyeop;
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In this study, an optimal design for motor-driven track type traveling system applied into high clearance working machineries in orchard is proposed. Tractive performance and hill climbing ability were predicted and evaluated for the optimal motor traveling system by taking into account of soil characteristics in orchard utilizing the high clearance working machineries. Design criteria for tractive performance were based on the traction force calculated from tractive effort subtracted by motion resistance, while hill climbing ability had its design criteria that fulfill the climbing 20% slope ground at a speed of 3km/h. Based on the evaluation results of traction and climbing ability, two DC48V, 4500rpm, 1.6kW AC motors were independently applied to both left and right side of orbits; each motor is designed to transmit power on driving sprocket of track type traveling system via 50:1 reduction gear ratio. The motor-driven track type traveling system developed in the study found to have 396 kgf of tractive force, which is 12.5% higher than climbing resistance at orchard soil having 20% slope ground (352 kgf), demonstrating sufficient tractive performance and hill climbing ability.
High clearance working machinery;Motor-driven traveling system;Tractive performance;Hill climbing ability;Soil characteristics;
 Cited by
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