Publication: Analysis of two mechanism for oil palm Harvester: scotch-yoke and slider crank
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Date
2024-07-12
Authors
Sivasangari a/p M Selvakumaran
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Abstract
The thesis entails a comparative analysis of two innovative mechanisms such as Scotch yoke and slider crank, integrated with an electric motor to enhance operational efficiency regarding weight reduction and minimize vibration as compared to the conventional gasoline-powered device. The overall problem addressed is laborintensive and physically demanding manual harvesting of oil palm bunches, whereby even the safety of workers is at risk. Moreover, all the existing motorized solutions are heavy, bulky, and highly vibrational, which causes fatigue to operators and loss of productivity. Overall, the development of a motorized oil palm harvester resolves inefficiency and required labor issues connected with conventional harvesting methods. This work concerns the efficacy of the slider crank mechanism and that of the scotch yoke mechanism, which are attached to a pole and sickle assembly in effecting accurate and effective palm bunch cutting. Many advantages accompany the electric motor such as light operating, less vibration, less noise, and simpler maintenance. Finite Element
simulation was done instead of creating the manufacturing in this work to compare the effectiveness of both processes. With such simulations, optimum design parameters could be found to ensure that harvesters work well under any scenario. These results from the FE simulation reflect that the harvesting efficiency of both mechanisms has increased significantly, hence the motorized harvesters prove to reduce operator physical strain and increase overall production. This study, having a potential enhancement in productivity, sustainability, and safety in large-scale operations, advances agriculture mechanization by offering a side-by-side comparison between two electric motor-driven oil palm harvesting options.