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Equivalent comfort contours for vertical vibration of steering wheels: Effect of vibration magnitude, grip force, and hand position

机译:等效舒适轮廓用于方向盘的垂直振动:振动幅度,握力和指针位置的影响

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摘要

Vehicle drivers receive tactile feedback from steering-wheel vibration that depends on the frequency and magnitude of the vibration. From an experiment with 12 subjects, equivalent comfort contours were determined for vertical vibration of the hands at two positions with three grip forces. The perceived intensity of the vibration was determined using the method of magnitude estimation over a range of frequencies (4–250 Hz) and magnitudes (0.1–1.58 ms?2 r.m.s.). Absolute thresholds for vibration perception were also determined for the two hand positions over the same frequency range. The shapes of the comfort contours were strongly dependent on vibration magnitude and also influenced by grip force, indicating that the appropriate frequency weighting depends on vibration magnitude and grip force. There was only a small effect of hand position. The findings are explained by characteristics of the Pacinian and non-Pacinian tactile channels in the glabrous skin of the hand.
机译:车辆驾驶员从方向盘振动接收触觉反馈,该反馈取决于振动的频率和幅度。通过对12位受试者进行的实验,确定了手在三个握力的两个位置上的垂直振动的等效舒适度。振动的感知强度是通过在一系列频率(4–250 Hz)和幅度(0.1–1.58 ms?2 r.m.s.)上进行幅度估计的方法确定的。还确定了在相同频率范围内两只手位置的振动感知绝对阈值。舒适轮廓的形状在很大程度上取决于振动大小,并且还受抓地力的影响,这表明适当的频率加权取决于振动大小和抓地力。手势的影响很小。该发现由手部无毛皮肤中的Pacinian和非Pacinian触觉通道的特征所解释。

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