适应式巡航控制对实际驾驶条件下的燃料消耗的影响
Ayman Moawad1, Matthew Zebiak2,3, Jihun Han4
1Vehicle and Mobility Simulation department at Argonne National Laboratory, 9700 S Cass Ave, Lemont, IL, 60439, USA. amoawad@anl.gov.
Nature communications
|November 20, 2024
概括
适应式巡航控制 (ACC) 稍微增加了整体燃油消耗. 然而,根据现实驾驶数据分析,ACC可以在加速和制动过程中提高燃油效率,特别是在交通中.
科学领域:
- 汽车工程 汽车工程
- 运输科学 运输科学
- 能源消耗分析 能源消耗分析
背景情况:
- 适应式巡航控制 (ACC) 系统旨在提高驾驶舒适性,并可能提高燃油经济性.
- 之前关于ACC对能源消耗的影响的研究已经产生了不同的结果,需要对现实世界的数据进行分析.
- 了解ACC在各种驾驶场景中的性能对于优化其应用和好处至关重要.
研究的目的:
- 综合分析自适应巡航控制 (ACC) 在现实驾驶条件下对车辆能源消耗的影响.
- 在宏观 (三次级) 和微观 (基于情况) 层面上区分ACC的影响.
- 确定特定的驾驶情况,在这些情况下,ACC会对能源消耗产生积极或负面影响.
主要方法:
- 利用来自各种车辆和司机的大型观测数据集,将其视为自然实验.
- 使用统计方法进行了宏观的行程级分析,以估计没有ACC的反事实性燃料消耗.
- 通过将行程细分为不同的驾驶操作 (加速,制动,巡航) 进行了基于情况的分析.
主要成果:
- 宏观分析表明,随着整个车队的ACC参与,整体燃油消耗略有增加.
- 基于情况的分析显示,ACC对巡航期间的能源消耗产生负面影响,这是最常见的驾驶模式.
- 在加速和制动过程中,ACC证明了燃油消耗的好处,特别是在跟着另一辆车时.
结论:
- ACC对能源消耗的净影响取决于环境,根据驾驶情况和分析水平有很大差异.
- 虽然ACC可能会在稳定巡航时增加燃料消耗,但它在动态驾驶场景中提供了效率提升.
- 准确评估ACC的燃油效率影响需要控制影响消耗和ACC使用的混因素.
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