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基于粒子群算法的电动汽车常用工况的两挡变速器速比优化
Authors
张农
彭浩
+4 more
朱波
李宇航
贾晓峰
陈永忠
Publication date
1 January 2019
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
针对电动汽车多挡变速器速比优化过程中,仅对单一特定工况进行优化,而与实际工况相差较多的不足,提出了基于粒子群算法的传动系常用运行区效率最优的速比优化方法,即通过多种特定工况的叠加找出电动汽车常用运行区,并通过调节速比的方式使电动汽车传动系的高效区最大可能地落入常用运行区内,使传动系平均运行效率最高。以整车动力性为约束条件,以电动汽车传动系常用运行区域下平均效率为经济目标,整车加速时间为动力性目标构建适应度函数,利用Matlab软件编写程序实现速比优化,并用AMESim软件搭建整车模型进行整车能耗验证。结果显示,通过优化后整车动力性经济性均有提升,表明所用的方法有效
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Last time updated on 06/04/2023