fig2

Figure 2. P-HMIs for robotic control. (A) Schematic diagram of HMI between a human hand and a remotely controlled robotic hand. Reproduced with permission from ref.^[20]. Copyright 2019, Elsevier. (B) Schematic illustration of PENG device with a channel of SnS₂ electrically connected by Cr/Au electrodes on a polyimide substrate, where blue and green spheres represent Sn and S atoms, respectively. (C) TEM image with single few-layered SnS₂ nanosheets shown in the inset. Scale bar of 1 μm. Reproduced with permission from ref.^[51]. Copyright 2020, Elsevier. (D) FEA strain distributions of heterostructure device in stretched mode. (E) Output voltage of sensor in stretched mode as a function of time and an image of sensor in stretched mode. Reproduced with permission from ref.^[54]. Copyright 2014, Wiley. (F) Image of using VR to grab an object in virtual space by detecting finger motions in the real world. Reproduced with permission from ref.^[40]. Copyright 2019, Springer Nature. (G) Schematic of human-machine interactive sensor array system. (H) Output voltage of sensor as a function of time when using a robotic hand with a feedback module to grasp an object. Reproduced with permission from ref.^[55]. Copyright 2021, Wiley.