Monash University Accident Research Centre, Monash University, Clayton, Victoria 3800, Australia.
Accid Anal Prev. 2010 May;42(3):935-43. doi: 10.1016/j.aap.2009.10.013.
This study assessed the relative effects of two intelligent speed adaptation (ISA) systems (informative and actively supporting) on simulated driving performance and acceptability in a sample of inexperienced and experienced drivers. Participants drove a series of simulated drives under three conditions: no ISA (control), ISA informative and ISA actively supporting. The informative system significantly reduced speed and was particularly effective in reducing top-end speeds. Comparable reductions were not found for the actively supporting system. Differences in the effectiveness and acceptability of ISA systems were noted across experienced and inexperienced drivers. The ISA systems appeared more effective at reducing speeds for experienced drivers on some road types. Experienced drivers' subjective satisfaction ratings of the systems also remained constant over the trial, whereas the inexperienced drivers' ratings changed after experience. There was little evidence that drivers engaged in negative behavioral adaptation and no evidence that subjective workload levels increased with ISA use. Future directions for examining the safety benefits of ISA, particularly for inexperienced drivers, are discussed.
本研究评估了两种智能速度适应（ISA）系统（信息性和主动支持性）在经验丰富和经验不足的驾驶员样本中的模拟驾驶性能和可接受性方面的相对效果。参与者在三种条件下驾驶了一系列模拟驾驶：无 ISA（对照）、信息性 ISA 和主动支持性 ISA。信息性系统显著降低了速度，特别是在降低最高速度方面非常有效。主动支持系统没有发现可比的降低。在经验丰富和经验不足的驾驶员中，ISA 系统的有效性和可接受性存在差异。对于某些道路类型，ISA 系统在降低经验丰富驾驶员的速度方面似乎更有效。经验丰富的驾驶员对系统的主观满意度评分在整个试验中保持不变，而经验不足的驾驶员的评分在体验后发生了变化。几乎没有证据表明驾驶员采取了消极的行为适应措施，也没有证据表明主观工作负荷水平随着 ISA 的使用而增加。讨论了进一步研究 ISA 的安全性益处的未来方向，特别是对于经验不足的驾驶员。
