Tactile Perception of Roughness and Hardness to Discriminate Materials by Friction-Induced Vibration.

Sensors (Basel) · 2017 · PMC5751635 · PMID 29182538

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a decreasing trendno p-value reported

an increasing trendno p-value reported

The third quadrant shows the relationship between the measured hardness and the obtained k w for each sample: an increasing trend of k v can be obtained with increasing R a , while a decreasing trend of k w can be obtained with increasing hardness, which is in agreement with the previous tests.

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