增程式电动拖拉机阈值调整控制策略设计
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摘要
针对增程式电动拖拉机难以充分利用蓄电池电能的问题,本文研究了增程式电动拖拉机阈值调整控制策略对蓄电池电能利用情况的影响。本文针对增程式电动拖拉机及其配套农具-东方红1LF-535液压翻转犁设计了一种SOC阈值调整算法。仿真结果表明:在连续转场作业工况下,采用阈值调整控制策略时柴油机累计燃油消耗为采用恒温控制+定点能量管理策略时累计燃油消耗的34.22%,采用恒温控制+定点能量管理策略时蓄电池电能消耗为采用阈值调整能量管理策略时蓄电池电能消耗的70.83%。阈值调整控制策略的提出为开发更加节能的增程式电动拖拉控制策略提供了理论基础。
Aimed at the problem of Extended Range Electric Tractor using battery power deficiently,a study of Extended Range Electric Tractor threshold value adjustment control strategy was made for finding the influence of the battery energy utilization.A soc threshold value adjustment algorithm was designed for Extended Range Electric Tractor and its agricultural machineryYTO 1LF-535 reversible plow.Simulation results shows that engine accumulative fuel consumption under the threshold value adjustment control strategy was 34.22%of the accumulative consumption under the strategy of the thermostat control + fixed point energy management in successive transitions operations,the battery power consumption under the strategy of the thermostat control + fixed point energy management was 70.83%of the battery power consumption under the threshold value adjustment control strategy in successive transitions operations.The threshold value adjustment control strategy proposed in this paper is able to offer theory references for developing more energy efficient control strategy of Extended Range Electric Tractor.
引文
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