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Field-Based Validation of a Tactile Navigation Device

机译:触觉导航设备的基于字段的验证

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In this paper, we present three field-based evaluations of a tactile land navigation system. In Experiment 1, we transition from a laboratory setting to rugged terrain used to train US Army soldier land navigation. Navigation in this challenging terrain requires careful attention to one's surroundings. Participants navigated 3 waypoints along 600 meters through heavily wooded terrain, using 1) map and compass, 2) standard alpha-numeric handheld GPS device, and 3) the tactile GPS system, while also responding to radio requests for information. Experiment 2 used the same challenging terrain during night operations, where participants must also search for live and silhouette targets, using 1) handheld GPS device, 2) head-mounted map-based GPS, and 3) the tactile GPS system. In addition to navigating, participants searched for silhouette and live (human) targets. Experiment 3 had participants navigate with 1) a commercial GPS arrow display, 2) the tactile GPS system, and 3) both together. We conclude that tactile navigation displays can be used in strenuous outdoor environments and can outperform visual displays under conditions of high cognitive and visual workload.
机译:在本文中,我们提出了三种基于现场的触觉陆地导航系统评估。在实验1中,我们从实验室环境过渡到了用于训练美军士兵陆地导航的崎terrain地形。在这个充满挑战的地形中航行需要仔细注意周围的环境。参与者使用1)地图和指南针,2)标准字母数字手持GPS设备和3)触觉GPS系统在600米内穿越茂密的地形导航了3个航点,同时还响应了无线电对信息的请求。实验2在夜间操作时使用了相同的具有挑战性的地形,参与者还必须使用1)手持GPS设备,2)头戴式基于地图的GPS和3)触觉GPS系统来搜索实时和轮廓目标。除了导航之外,参与者还搜索轮廓和实时(人类)目标。实验3让参与者使用1)商业GPS箭头显示器,2)触觉GPS系统和3)一起导航。我们得出结论,触觉导航显示器可以在剧烈的室外环境中使用,并且在认知和视觉工作量较高的情况下可以胜过视觉显示器。

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