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双电机电动汽车动力耦合机构的设计及其控制策略的研究
Authors
志斐 武
铁 王
飞 王
Publication date
1 January 2019
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
提出采用双行星排双电机耦合机构解决单电机电动汽车中电机单位质量功率低、低速动力性不足以及高速低转矩利用率低的问题。首先,对设计的新型耦合机构进行动力学分析,并结合某电动车参数匹配出双电机电动汽车参数,分析双电机的耦合特性;其次,基于需求转矩、车速、加速度以及电机工作效率进行控制策略的设计;最后,根据整车各部分的数学模型在Matlab/Simulink中建立相应的驱动模块和控制策略模块并进行数学仿真。结果表明,在动力性能上,新型双行星排动力耦合结构和控制策略能够实现车辆低速大转矩和高速大功率的行驶需求,也对改善电动汽车经济性能有一定的积极作用
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Last time updated on 05/04/2023