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首页> 外文期刊>Intelligent Transport Systems, IET >Interaction design of automatic steering for collision avoidance: challenges and potentials of driver decoupling
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Interaction design of automatic steering for collision avoidance: challenges and potentials of driver decoupling

机译：避免碰撞的自动转向交互设计：驾驶员脱钩的挑战和潜力

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Studies concerning collision avoidance show that most drivers tend to brake, even if evasive manoeuvres were better. Automatic steering for collision avoidance would help here. Studies in the EU project interactIVe observed that drivers show a tendency to hold the steering wheel and disturb the automatic steering when kept in the control loop. A strategy of driver decoupling, for example, by means of steer-by-wire systems could improve the automatic steering performance. However, the major challenge of using steer-by-wire systems is to enable the driver to compensate false system activation, for example, evasion into oncoming traffic. A time-dependent strategy of driver decoupling using steer-by-wire combined with override recognition by counter steering above a certain threshold was implemented in a research vehicle. The interaction strategy was tested with 45 participants on a test track in two different scenarios; a collision situation with justified evasion and a false alert scenario with unjustified system activation. In a between-subject design the decoupling strategy (using steer-by-wire) was compared against automatic steering with fully coupled driver and force feedback on the steering wheel and against Manual Driving without automatic steering. When the driver was temporarily decoupled, the obstacle avoidance performance was better but the driver was less able to counteract a false avoidance manoeuvre. The analysis of driver behaviour revealed options to improve the interaction strategy.
机译：有关避免碰撞的研究表明，即使躲避动作更好，大多数驾驶员还是会刹车。自动转向以避免碰撞在这里会有所帮助。欧盟项目交互作用的研究发现，驾驶员在保持控制回路的情况下倾向于握住方向盘并干扰自动转向。例如，通过线控转向系统的驾驶员解耦策略可以提高自动转向性能。但是，使用线控转向系统的主要挑战是使驾驶员能够补偿错误的系统激活，例如逃避到迎面而来的交通中。在研究车辆中实施了一种时变策略，该策略采用线控转向与通过高于一定阈值的反向转向的超驰识别相结合的驾驶员解耦。在两个不同的场景中，对45名参与者的交互策略进行了测试。具有合理规避的碰撞情况和具有不合理系统激活的错误警报方案。在对象间设计中，将解耦策略（使用线控转向）与具有完全耦合的驾驶员方向盘上的力和力反馈的自动转向与不具有自动转向的手动驾驶进行了比较。当驾驶员暂时解耦时，避障性能会更好，但驾驶员抵制错误避让手法的能力就会降低。对驾驶员行为的分析揭示了改善交互策略的选项。

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