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Electronic skin refers to flexible, stretchable and self-healing electronics that are able to mimic functionalities of human or animal skin. [1] [2] The broad class of materials often contain sensing abilities that are intended to reproduce the capabilities of human skin to respond to environmental factors such as changes in heat and pressure.
Tactile imaging, as a medical imaging modality, translating the sense of touch into a digital image is based on the tactile sensors. Tactile imaging closely mimics manual palpation, since the probe of the device with a pressure sensor array mounted on its face acts similar to human fingers during clinical examination, deforming soft tissue by ...
Since stretchable electronics is not limited by this, some researchers try to implement it as sensors for touch, or tactile sensing. One way of achieving this is to make an array of conductive OFET (Organic Field Effect Transistors) forming a network that can detect local changes in capacitance, which gives the user information about where the ...
The third and final tactile sensor type is a low spatial resolution sensor which has similar tactile acuity as the skin on one's back or arm. [28] These sensors can be placed meaningfully throughout the surface of a prosthetic or a robot to give it the ability to sense touch in similar, if not better, ways than the human counterpart. [28]
Figure 1: Flexible skin concept Figure 2: Photograph of a real flexible skin with embedded sensors made at the Ghent University. The PHOSFOS project [1] is developing flexible and stretchable foils or skins that integrate optical sensing elements with optical and electrical devices, such as onboard signal processing and wireless communications, as seen in Figure 1.
The goal of soft robotics is the design and construction of robots with physically flexible bodies and electronics. In some applications, softness is restricted to a localized region of a machine. For example, rigid-bodied robotic arms can employ soft end effectors to gently grab and manipulate delicate or irregularly shaped objects. [ 3 ]
[16] Flexible linker domains allow the connecting protein domain to recruit their binding partners and induce long-range allostery via protein domain dynamics. [19] This sensory and signalling role puts cilia in a central role for maintaining the local cellular environment and may be why ciliary defects cause such a wide range of human diseases ...
Auditory sensory substitution systems like the tactile sensory substitution systems aim to use one sensory modality to compensate for the lack of another in order to gain a perception of one that is lacking. With auditory sensory substitution, visual or tactile sensors detect and store information about the external environment.