增程式电动汽车能量控制策略的仿真分析

摘要/Abstract

摘要：

介绍了串联型增程式电动汽车的基本结构和工作模式，给出了选配电动汽车发动机和评价整车燃油经济性的方法.利用Cruise/Simulink联合仿真平台对整车进行建模与仿真，引入基于规则的发动机定点和最优曲线能量控制策略.典型工况下的仿真结果表明：发动机最优点能量控制策略能够使发动机和发电机工作在效率最高点，其燃油经济性优于最优曲线能量控制策略；在增程模式下，当采用发动机最优曲线能量控制策略时，增程式电动汽车获得了较好的燃油经济性和控制效果，且该策略有利于发动机的最小化.

关键词: 增程式电动汽车, 全电动驱动能力, 增程器, 控制策略, 联合仿真

Abstract:

The basic configuration and operation modes of the series extended-range electric vehicle were analyzed and a novel method for engine choice and fuel economy evaluation was proposed. A co-simulation platform was set up using Cruise and Matlab/Simulink to evaluate the rule-based engine onoff and optimal operation line control strategies. The simulation results with typical driving cycles illustrate that, first, the engine on-off control strategy makes the engine and generator operate at their best efficiency points, and its fuel economy is better than that of the optimal operation line control strategy; secondly, when the optimal operation line control strategy is adopted in the extended-range mode, the engine downsizing will be beneficial and the extendedrange electric vehicle(E-REV) will achieve a better fuel economy and control effect.

Key words: extended-range electric vehicle (E-REV), full electric propulsion capability, range extender, control strategy, co-simulation

中图分类号:

U 469.72

牛继高a，司璐璐a，周苏a,b，章桐a,b,c. 增程式电动汽车能量控制策略的仿真分析[J]. 上海交通大学学报（自然版）, 2014, 48(1): 140-145.

NIU Jigaoa，SI Lulua，ZHOU Sua,b，ZHANG Tonga,b,c. Simulation Analysis of Energy Control Strategy for an Extended-Range Electric Vehicle[J]. Journal of Shanghai Jiaotong University, 2014, 48(1): 140-145.

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