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