Table 1 A comparison between state-of-the-art finger-like tactile sensors and this study.

From: A soft magnetoelectric finger for robots’ multidirectional tactile perception in non-visual recognition environments

Sensor

Transduction method

Multidirectional sensing

Self-generated signal

Soft

Simple structure

Yamazaki et al.7

hetero-core fiber-optic

×

×

×

Partly

Biotac8

Resistive

×

×

×

×

uSkin10

Hall effect

×

×

×

Insight11

Camera + PS + SL

×

Partly

Omnitact12

Five cameras + PS

×

×

×

Geltip13

Camera + PS

×

×

This study

Electromagnetic induction

  1. Note: PS photometric stereo, SL structured light.