电动汽车加速方案的比较研究A COMPARATIVE STUDY OF ELECTIRC VEHICLES ACCELERATION PROFILES
李云畅,刘普生,王建东,刘义东
摘要(Abstract):
本文采用恒定牵引力-恒定功率加速模型(汽车先以恒定牵引力加速,当汽车的输出功率达到最大时,就以该功率做恒定功率加速运动),证明在给定最大牵引力的限定值F_(const)条件下,汽车在从静止加速到目的速度的整个过程中,该模型的能耗最小.数值计算并分析了不同F_(const)值对汽车牵引力做功WF的影响,结果表明,增大F_(const),可使汽车获得更低的WF,并更早进入恒定功率加速阶段.研究结果为设定汽车的限定值F_(const)提供了帮助.
关键词(KeyWords): 电动汽车;加速;牵引力受限;牵引力做功
基金项目(Foundation): 中央高校基本科研业务费专项资金(ZYGX2015J042)资助
作者(Author): 李云畅,刘普生,王建东,刘义东
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