We present the design and test of a wearable device capable to detect the user's trunk orientation with respect to the gravitational field and to provide tactile stimulation to correct tilted positions. Vibrations are delivered to the shoulders, the frontal and dorsal parts of the trunk, by using the human body as an indicator of the four cardinal directions. The device was experimentally tested in normal gravity conditions by thirty-nine volunteers. The efficacy of tactile cues was investigated in comparison to visual and visuo-tactile cues. The results revealed that, despite the fact that the time needed to complete the task was shorter when people were guided by visual signals, the tactile cues were equally informative and, in some cases, the trunk spatial orientation was even more accurate. Overall, tactile cues were evaluated by users as more intuitive, effective and accurate.

我们提出了一种可穿戴设备的设计和测试，该设备能够检测用户的躯干相对于重力场的方向，并提供触觉刺激以纠正倾斜位置。通过使用人体作为四个基本方向的指示，振动传递到躯干的肩膀，额骨和背部。该设备由39名志愿者在正常重力条件下进行了实验测试。与视觉和视觉触觉提示相比，研究了触觉提示的功效。结果表明，尽管当人们在视觉信号的引导下完成任务所需的时间缩短了，但触觉提示同样有用，并且在某些情况下，躯干的空间定向更加准确。总体，