纯电动汽车能耗经济性评价方法研究

Study on the evaluation of energy consumption economy for electric vehicles

在纯电动汽车能耗经济性评价指标分析基础上，建立了加速、匀速、减速、驻车四种不同行驶工况下纯电动汽车能耗经济性计算的数学模型。基于实验测试分析了环境温度对能耗的影响，得到了不同环境温度下电动汽车能耗经济性变化规律。最后以纯电动公交客车为例，对加速．滑行组合工况下能耗经济性进行了分析计算，验证了能耗经济性分析数学模型的可行性。

Based on the analyses of the evaluating indicators of electric vehicle （EV） energy consumption economy, the mathematical model for computing the economy of energy consumption of EVs under four different driving modes of acceleration, constant speed, deceleration and idle speed was established. The EV application circumstances were studied by EV experiments and the rules of energy consumption under different ambient temperatures were obtained. Taking E-bus for example, the analysis and computation of the economy of energy consumption under the combination driving mode were carried out, and the feasibility of the EV economy model was validated.