Dynamic tactility by position-encoded spike spectrum

Kim, Tae Yeong; Kim, Jaehun; You, Insang; Oh, Joosung; Kim, Sung-Phil; Jeong, Unyong

doi:10.1126/scirobotics.abl5761

Cited by 40 publications

(45 citation statements)

References 42 publications

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“…Increasing the number of the sensing units in the array can potentially provide more detailed information (direction, distribution, or contact position), [ 69 , 71 , 72 ] for delicate manipulation activities (e.g., multi‐fingered hands with several degrees of freedom). The biomimetic E‐skin (Figure 5c‐i ) with a dielectric layer between a bottom electrode on a 3D hill structure and 25 pyramid‐based top electrodes (Figure 5c‐ii ) can output a varied response in each capacitor depending on its location upon the anisotropic deformation (from combined normal and shear forces).…”

Section: Array Layout For Decoupled Multimodalitymentioning

confidence: 99%

Multimodal Sensors with Decoupled Sensing Mechanisms

et al. 2022

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Highly sensitive and multimodal sensors have recently emerged for a wide range of applications, including epidermal electronics, robotics, health‐monitoring devices and human–machine interfaces. However, cross‐sensitivity prevents accurate measurements of the target input signals when a multiple of them are simultaneously present. Therefore, the selection of the multifunctional materials and the design of the sensor structures play a significant role in multimodal sensors with decoupled sensing mechanisms. Hence, this review article introduces varying methods to decouple different input signals for realizing truly multimodal sensors. Early efforts explore different outputs to distinguish the corresponding input signals applied to the sensor in sequence. Next, this study discusses the methods for the suppression of the interference, signal correction, and various decoupling strategies based on different outputs to simultaneously detect multiple inputs. The recent insights into the materials' properties, structure effects, and sensing mechanisms in recognition of different input signals are highlighted. The presence of the various decoupling methods also helps avoid the use of complicated signal processing steps and allows multimodal sensors with high accuracy for applications in bioelectronics, robotics, and human–machine interfaces. Finally, current challenges and potential opportunities are discussed in order to motivate future technological breakthroughs.

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Section: Array Layout For Decoupled Multimodalitymentioning

confidence: 99%

Multimodal Sensors with Decoupled Sensing Mechanisms

et al. 2022

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“…Electronic skin (e-skin) with the same physical–chemical and sensory functions as human skin is highly applicable for advanced robots, medical diagnostics, skin-attachable wearables, and intelligent prosthetics. − In the aspect of robotics, e-skin endows robots with multi stimuli sensing ability to understand the external unstructured environment and safely interface with other subjects. − As skin-attachable wearables, e-skin could detect the vital signs of human bodies (e.g., respiratory, electrocardiogram, pulse, etc.) and monitor body activities and positions (e.g., proprioception, gesture, etc.…”

Section: Introductionmentioning

confidence: 99%

Water-Modulated Biomimetic Hyper-Attribute-Gel Electronic Skin for Robotics and Skin-Attachable Wearables

et al. 2023

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Electronic skin (e-skin), mimicking the physical–chemical and sensory properties of human skin, is promising to be applied as robotic skins and skin-attachable wearables with multisensory functionalities. To date, most e-skins are dedicated to sensory function development to mimic human skins in one or several aspects, yet advanced e-skin covering all the hyper-attributes (including both the sensory and physical–chemical properties) of human skins is seldom reported. Herein, a water-modulated biomimetic hyper-attribute-gel (Hygel) e-skin with reversible gel–solid transition is proposed, which exhibits all the desired skin-like physical–chemical properties (stretchability, self-healing, biocompatibility, biodegradability, weak acidity, antibacterial activities, flame retardance, and temperature adaptivity), sensory properties (pressure, temperature, humidity, strain, and contact), function reconfigurability, and evolvability. Then the Hygel e-skin is applied as an on-robot e-skin and skin-attached wearable to demonstrate its highly skin-like attributes in capturing multiple sensory information, reconfiguring desired functions, and excellent skin compatibility for real-time gesture recognition via deep learning. This Hygel e-skin may find more applications in advanced robotics and even skin-replaceable artificial skin.

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“…[5][6][7][8] Recently, with rapid advances in wearable electronics, the Internet of Things, and human-machine interaction, the critical performance of wearable devices has been remarkably improved in terms of the sensing range, sensitivity, and multiparametric and interference-free detection. [9][10][11][12] Nevertheless, most reported works have only focused on optimizing electronic readouts of wearable devices, which require bulky equipment or wired connections to convert them into humanidentifiable forms of data and waveforms. The inability to respond instantly to direct stimuli restricts their application in specific scenarios, such as miniaturized, portable, and real-time detection, and results in difficulties processing and transmitting in harsh external environments.…”

Section: Introductionmentioning

confidence: 99%

Wearable Hybrid Device Capable of Interactive Perception with Pressure Sensing and Visualization

Guo

et al. 2022

Adv Funct Materials

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A wearable interactive device that can synchronously detect and visualize pressure, stimuli will supplement easily identifiable in situ signals with conventional sensing that outputs only electronic signals. Currently, most interactive devices are composed of physically connected separate pressure sensors and display elements, which do not conform to the development of miniaturization and high integration. The realization of combining these two functions in one device with a simplified configuration is still only beginning to be explored. Inspired by the two-in-one response of the octopus, which can both sense and visualize stimuli, an integrated hybrid device based on ionic sensing and electrochromic display is proposed for interactive pressure perception. By efficiently reusing the electrodes and ionic gel, the device enables quantitative sensing and direct color changing in response to pressure. Benefiting from its excellent comprehensive performance, the applications are explored and verified, including the interactive perception of pressure information, hiding and display of visual information under pressure regulation, and repeated writing and erasing on flexible boards. Notably, multiple customized systems with improved design flexibility are implemented to provide remote monitoring and visual warning of behavioral states and physiological parameters. This study diversifies solutions to realize a direct link between pressure detection and visualization.

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Dynamic tactility by position-encoded spike spectrum

Cited by 40 publications

References 42 publications

Multimodal Sensors with Decoupled Sensing Mechanisms

Multimodal Sensors with Decoupled Sensing Mechanisms

Water-Modulated Biomimetic Hyper-Attribute-Gel Electronic Skin for Robotics and Skin-Attachable Wearables

Wearable Hybrid Device Capable of Interactive Perception with Pressure Sensing and Visualization

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