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An analytical study of electric vehicle handling dynamics

机译:电动汽车操纵动力学的分析研究

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摘要

Hypothetical electric vehicle configurations were studied by applying available analytical methods. Elementary linearized models were used in addition to a highly sophisticated vehicle dynamics computer simulation technique. Physical properties of specific EV's were defined for various battery and powertrain packaging approaches applied to a range of weight distribution and inertial properties which characterize a generic class of EV's. Computer simulations of structured maneuvers were performed for predicting handling qualities in the normal driving range and during various extreme conditions related to accident avoidance. Results indicate that an EV with forward weight bias will possess handling qualities superior to a comparable EV that is rear-heavy or equally balanced. The importance of properly matching tires, suspension systems, and brake system front/rear torque proportioning to a given EV configuration during the design stage is demonstrated.
机译:通过应用可用的分析方法来研究假想的电动汽车配置。除了高度复杂的车辆动力学计算机仿真技术外,还使用了基本线性模型。针对各种电池和动力总成包装方法定义了特定电动汽车的物理特性,这些方法应用于一系列重量分布和惯性特性,这些特性是通用电动汽车的特征。进行了结构化操纵的计算机模拟,以预测正常驾驶范围内以及与避免事故相关的各种极端情况下的操纵质量。结果表明,具有偏向重量的电动汽车将具有比后平衡或均等的可比电动汽车更好的操控质量。说明了在设计阶段将轮胎,悬架系统和制动系统前后扭矩比例与给定的EV配置正确匹配的重要性。

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    Segal, D. J.; Greene, J. E.;

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  • 年度 1979
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