Torque Distribution Strategy of Extended Range Electric Tractor
Journal Title: 河南科技大学学报（自然科学版） - Year 2017, Vol 38, Issue 3
Abstract
Aimed at the problem of torque distribution for the four-wheel drive extended range electric tractor front and rear wheels,torque distribution strategy based on fuzzy logic was proposed in this paper. A fuzzy controller was designed according to the force analysis for the tractor. Gradient and plowing resistance were fuzzy input variables,and the torque distribution factor of traction motor was fuzzy output variables in the controller. In order to verify the superiority of the proposed strategy,a contrast strategy named fixed ratio distribution strategy was set. Simulation results shows that the front wheel maximum slip rate under the proposed strategy is declined 16. 5% compared with the fixed ratio distribution strategy. The rear wheel maximum slip rate is only risen 2. 2%. The tractor slip rate is controlled effectively in the reasonable range.
Authors and Affiliations
Liyou XU, Junjiang ZHANG, Mengnan LIU
Keywords
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