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The design of an in-vehicle assistance system to support eco-driving

机译：设计支持环保驾驶的车载辅助系统

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This driving simulator study was the second of two studies investigating the most effective and acceptable in-vehicle system for the provision of guidance on fuel efficient accelerator usage. Three eco-driving interfaces were selected for test (a second-order display visual display with auditory alerts and two haptic accelerator pedal systems) following a pilot study of 12 different interfaces. These systems were tested in a range of eco-driving scenarios involving acceleration, deceleration and speed maintenance, and assessed through their effects on fuel economy, vehicle control, distraction, and driver subjective feedback. The results suggest that a haptic accelerator pedal system is most effective for preventing over-acceleration, while minimal differences were observed between systems in terms of the effect of the assistance provided to prevent under-acceleration. The visual-auditory interface lowered the time spent looking towards the road, indicating a potential negative impact on driver safety from using this modality to provide continuous green driving support. Subjective results were consistent with the objective findings, with haptic pedal systems creating lower perceived workload than a visual-auditory interface. Driver acceptability ratings suggested a slight favouring of a haptic-force system for its usefulness, whereas the more subtle haptic-stiffness system was judged more acceptable to use. These findings offer suggestions for the design of a user-friendly, eco-driving device that can help drivers improve their fuel economy, specifically through the provision of real-time guidance on the manipulation of the accelerator pedal position.
机译：这项驾驶模拟器研究是两项研究中的第二项，旨在研究最有效和可接受的车载系统，以提供节油加速器使用指南。在对12种不同界面进行了初步研究之后，选择了三个生态驾驶界面进行测试（带有听觉警报的二次显示视觉显示和两个触觉加速器踏板系统）。这些系统在涉及加速，减速和速度维持的一系列生态驾驶场景中进行了测试，并通过其对燃油经济性，车辆控制，分心和驾驶员主观反馈的影响进行了评估。结果表明，触觉加速器踏板系统对于防止过度加速是最有效的，而就防止过度加速所提供的辅助效果而言，系统之间的差异很小。视觉听觉界面减少了花在路上的时间，表明使用这种方式提供持续的绿色驾驶支持可能会对驾驶员的安全产生负面影响。主观结果与客观发现相符，触觉踏板系统产生的感知工作量低于视觉听觉界面。驾驶员的可接受性评级表明触觉力系统的实用性略受青睐，而较细微的触觉刚度系统则被认为更易于使用。这些发现为设计一种用户友好型的生态驾驶设备提供了建议，该设备可以帮助驾驶员提高燃油经济性，特别是通过提供有关操纵加速踏板位置的实时指导。

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