Composites Science and Technology, Год журнала: 2024, Номер 259, С. 110955 - 110955
Опубликована: Ноя. 9, 2024
Язык: Английский
Advanced Healthcare Materials, Год журнала: 2024, Номер unknown
Опубликована: Сен. 17, 2024
Abstract The rapid advancements in artificial intelligence, micro‐nano manufacturing, and flexible electronics technology have unleashed unprecedented innovation opportunities for applying sensors healthcare, wearable devices, human–computer interaction. human body's tactile perception involves physical parameters such as pressure, temperature, humidity, all of which play an essential role maintaining health. Inspired by the sensory function skin, many bionic been developed to simulate skin's various stimuli are widely applied health monitoring. Given urgent requirements sensing performance integration field devices monitoring, here is a timely overview recent advances multi‐functional It covers fundamental components categorizes them based on different response mechanisms, including resistive, capacitive, voltage, other types. Specifically, application these area monitoring highlighted. Based this, extended dual/triple‐mode integrating temperature presented. Finally, challenges discussed.
Язык: Английский
Процитировано
20
ACS Applied Nano Materials, Год журнала: 2025, Номер unknown
Опубликована: Янв. 7, 2025
Stretchable piezoresistive pressure sensors are susceptible to tensile strain, leading signal cross-talk and inaccurate measurements. Therefore, it is a challenge find an effective method reduce the effect of strain on stretchable sensors. Herein, strain-insensitive sensor (SISPS) with serpentine nested structure was constructed through laser engraving graphene. The dispersion reduced variation in relative resistance only 0.3% under 80% resulting significant performance. obtained demonstrated high sensitivity (1.41 × 10–1 kPa–1), broad sensing range (0–50 kPa), short response time (100 ms), low detection limit Pa), good cyclic stability (3000@10 kPa). capable accurately detecting human physiological body motion signals including pulse, muscle movement, laryngeal vocalizations.
Язык: Английский
Процитировано
5
Journal of Semiconductors, Год журнала: 2025, Номер 46(1), С. 012601 - 012601
Опубликована: Янв. 1, 2025
Abstract In the era of Metaverse and virtual reality (VR)/augmented (AR), capturing finger motion force interactions is crucial for immersive human-machine interfaces. This study introduces a flexible electronic skin index finger, addressing coupled perception both state process in dynamic tactile sensing. The device integrates resistive giant magnetoelastic sensors, enabling detection surface pressure joint bending. e-skin identifies three phases action: bending state, normal tangential (sweeping). system comprises carbon nanotubes (CNT)/polydimethylsiloxane (PDMS) films sensing sensors (NdFeB particles, EcoFlex, coils) detection. inward sensor, based on self-assembled microstructures, exhibits directional specificity with response time under 120 ms sensitivity from 0° to 120°. demonstrate specific responses frequency deformation magnitude, as well roughness during sliding material hardness. system’s capability demonstrated through tactile-based bread type condition recognition, achieving 92% accuracy. intelligent patch shows broad potential enhancing across various fields, VR/AR interfaces medical diagnostics smart manufacturing industrial automation.
Язык: Английский
Процитировано
4
Composites Communications, Год журнала: 2025, Номер unknown, С. 102287 - 102287
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
2
Micromachines, Год журнала: 2025, Номер 16(3), С. 330 - 330
Опубликована: Март 12, 2025
The rapid development of flexible sensor technology has made arrays a key research area in various applications due to their exceptional flexibility, wearability, and large-area-sensing capabilities. These can precisely monitor physical parameters like pressure strain complex environments, making them highly beneficial for sectors such as smart wearables, robotic tactile sensing, health monitoring, electronics. This paper reviews the fabrication processes, operational principles, common materials used sensors, explores application different materials, outlines two conventional preparation methods. It also presents real-world examples large-area arrays. Fabrication techniques include 3D printing, screen laser etching, magnetron sputtering, molding, each influencing performance ways. Flexible sensors typically operate based on resistive capacitive mechanisms, with structural designs (e.g., sandwich fork-finger) affecting integration, recovery, processing complexity. careful selection materials—especially substrates, electrodes, sensing materials—is crucial efficacy. Despite significant progress design application, challenges remain, particularly mass production, wireless real-time data processing, long-term stability. To improve production feasibility, optimizing reducing material costs, incorporating automated lines are essential scalability defect reduction. For enhancing energy efficiency through low-power communication protocols addressing signal interference stability critical seamless operation. Real-time requires innovative solutions edge computing machine learning algorithms, ensuring low-latency, high-accuracy interpretation while preserving flexibility Finally, environmental adaptability demands new protective coatings withstand harsh conditions. Ongoing overcoming these challenges, that meet needs diverse remaining cost-effective reliable.
Язык: Английский
Процитировано
1
Composites Part A Applied Science and Manufacturing, Год журнала: 2024, Номер 190, С. 108648 - 108648
Опубликована: Дек. 9, 2024
Язык: Английский
Процитировано
8
Advanced Functional Materials, Год журнала: 2024, Номер 34(32)
Опубликована: Март 5, 2024
Abstract Stretchable pressure sensor arrays are ideal for biomimetic electronic skin (e‐skin). However, conventional sensors exhibit noticeable strain interference when stretched. This article introduces an advanced fabrication method based on dual‐band laser selective etching to create stretchable free from interference. An intact sensitive film is sandwiched between the top and bottom electrodes then etched into separate sensing cells. Silicone gel with extremely low Young's modulus (0.157 kPa) employed as buffer layer, filling space within cells absorb device during stretching. The demonstrate exceptional interference‐free performance, resistance of remaining unchanged under strains exceeding 20%. Pressure 32 × units manufactured, showcasing a resistive response time ≈40 ms compression 20 release, along sensitivity 0.7702 kPa −1 range 1–70 kPa. Finally, integrated robotic hand e‐skin, coupled deep learning algorithms, successfully identifying static dynamic distributions achieving average precision rate over 99% in recognizing 2D shapes objects.
Язык: Английский
Процитировано
7
Sensors and Actuators A Physical, Год журнала: 2024, Номер 371, С. 115284 - 115284
Опубликована: Март 15, 2024
Язык: Английский
Процитировано
5
Advanced Functional Materials, Год журнала: 2024, Номер unknown
Опубликована: Сен. 24, 2024
Abstract A new galvanic cell design of a self‐powered and 3D‐printable soft sensor showing health monitoring, object recognition, contactless hand gesture is reported. The consists 3D‐printed poly(acrylic acid) (PAA) hydrogel electrolyte layer, anode cathode layer. layer Cu 2+ cross‐linked poly( N , ‐dimethylacrylamide‐ co ‐3‐alanine‐2‐hydroxypropylmethacrylate) (PDA) dispersed with metal particles (PDA/Cu /Cu hydrogel), while the bottom thin PAA containing MnO 2 (PAA/MnO ). Using graphite films as electrodes, finally assembled. has high force temperature sensitivities. It gives different electric current responses under stretching, bending, pressing, impact loading. demonstrated to be useful in detecting human motion physiological activities, e.g., breath. Based on sensitivities, used recognize gestures plastic balls diameters. This 3D printable self‐powering, capturing, multi‐pimulus sensing capabilities illustrates pathway make sensory devices for healthcare human‐machine interaction applications.
Язык: Английский
Процитировано
5
ACS Applied Electronic Materials, Год журнала: 2024, Номер unknown
Опубликована: Авг. 31, 2024
Flexible capacitive pressure sensors have extensive applications in healthcare and human-computer interaction. However, current face challenges sensitivity, response range, batch-to-batch consistency. Herein, inspired by coral, a sensor featuring Y-shaped dielectric layer is developed, offering high sensitivity wide detection range. The innovative biomimetic ″Y-shaped coral″ gradient tilt structure skillfully combines two effects: the change contact area reduction plate spacing, to changes. This design not only expands compressible range of but also achieves good balance between Experimental results show that fabricated exhibits (1.10 kPa–1), substantial (210 kPa), minimal hysteresis (≈3%), excellent durability (withstanding over 20,000 cycles at 100 kPa). has broad application prospects interaction, intelligent devices, flexible sensing arrays, meteorological monitoring, enabling precise identification, real-time efficient support functions. Therefore, we believe this study provides approach for offers strong technological advancement innovation related fields.
Язык: Английский
Процитировано
3