Flexible Strain Sensors with Ultra-High Sensitivity and Wide Range Enabled by Crack-Modulated Electrical Pathways

Nano-Micro Letters, Год журнала: 2024, Номер 17(1)

Опубликована: Ноя. 18, 2024

Abstract This study presents a breakthrough in flexible strain sensor technology with the development of an ultra-high sensitivity and wide-range sensor, addressing critical challenge reconciling measurement range. Inspired by structure bamboo slips, we introduce novel approach that utilises liquid metal to modulate electrical pathways within cracked platinum fabric electrode. The resulting demonstrates gauge factor greater than 10 8 capability exceeding 100%. integration patterned enables customisable tuning sensor’s response, while porous ensures superior comfort air permeability for wearer. Our design not only optimises performance but also enhances stability is essential practical applications. Through systematic investigation, reveal intrinsic mechanisms governing offering valuable insights wearable sensors. exceptional across spectrum applications, from micro-strain large-strain detection, highlights its potential wide range real-world uses, demonstrating significant advancement field electronics.

Язык: Английский

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A Review of Recent Advances in Cognitive-Motor Dual-Tasking for Parkinson’s Disease Rehabilitation

Sensors, Год журнала: 2024, Номер 24(19), С. 6353 - 6353

Опубликована: Сен. 30, 2024

Background: Parkinson’s disease is primarily characterized by the degeneration of motor neurons, leading to significant impairments in movement. Initially, physical therapy was predominantly employed address these issues through targeted rehabilitation exercises. However, recent research has indicated that cognitive training can enhance quality life for patients with Parkinson’s. Consequently, some researchers have posited simultaneous engagement computer-assisted and dual-task (CADT) may yield superior therapeutic outcomes. Methods: A comprehensive literature search performed across various databases, studies were selected following PRISMA guidelines, focusing on CADT interventions. Results: Dual-task enhances (PD) automating movements minimizing secondary task interference. The inclusion a sensor system provides real-time feedback help make immediate adjustments during training. Furthermore, promotes more vigorous participation commitment exercises, especially those are repetitive lead patient boredom demotivation. Virtual reality-tailored tasks, closely mirroring everyday challenges, facilitate efficient adaptation post-rehabilitation. Conclusions: Although current limited small sample sizes low levels, presents as significant, effective, potential strategy PD.

Язык: Английский

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Wearable Sweat-Sensing Patches for Non-Invasive and Continuous Health Tracking

Sensors and Actuators Reports, Год журнала: 2024, Номер unknown, С. 100265 - 100265

Опубликована: Ноя. 1, 2024

Язык: Английский

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Soft Materials and Devices Enabling Sensorimotor Functions in Soft Robots

Chemical Reviews, Год журнала: 2025, Номер unknown

Опубликована: Март 31, 2025

Sensorimotor functions, the seamless integration of sensing, decision-making, and actuation, are fundamental for robots to interact with their environments. Inspired by biological systems, incorporation soft materials devices into robotics holds significant promise enhancing these functions. However, current systems often lack autonomy intelligence observed in nature due limited sensorimotor integration, particularly flexible sensing actuation. As field progresses toward soft, flexible, stretchable materials, developing such becomes increasingly critical advanced robotics. Despite rapid advancements individually devices, combined applications enable capabilities emerging. This review addresses this emerging providing a comprehensive overview that functions robots. We delve latest development technologies, actuation mechanism, structural designs, fabrication techniques. Additionally, we explore strategies control, artificial (AI), practical application across various domains as healthcare, augmented virtual reality, exploration. By drawing parallels aims guide future research robots, ultimately adaptability unstructured

Язык: Английский

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Facile fabrication of high-performance electrochromic fabrics based on flexible Ag/Ni mesh electrode with exceptional conductivity

Sustainable materials and technologies, Год журнала: 2025, Номер unknown, С. e01396 - e01396

Опубликована: Апрель 1, 2025

Язык: Английский

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Bioinspired cilia-based electronic skin for multimodal mechanical sensing via additive manufacturing

Soft Science, Год журнала: 2025, Номер 5(2)

Опубликована: Апрель 27, 2025

Electronic skin (e-skin) has been widely used in various fields such as health monitoring, robotic tactile perception, and bioinspired prosthetics due to its ability detect a wide range of signals. However, traditional flexible e-skin is limited providing detailed information about the sensing surface velocity fluid motion, which restricts further applications. In this study, we successfully fabricated cilia-based that enables detection morphology, Braille, airflow velocity. The cilia exhibited linear for static detection, with bending angles from 15° 60°, frequency 1-25 Hz dynamic sensing. A single could accurately morphology changes small 0.5 mm recognize Braille characters. Additionally, was capable detecting This multifunctional integrates three major functions: (10-22,000 Pa), sliding (0.8-5.4 cm/s), (1.8-5.7 m/s). advancement holds promise novel approach integration electronics.

Язык: Английский

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Flexible hybrid self-powered piezo-triboelectric nanogenerator based on BTO-PVDF/PDMS nanocomposites for human machine interaction

Scientific Reports, Год журнала: 2025, Номер 15(1)

Опубликована: Май 8, 2025

As flexible and wearable electronics play more important role in smart watches, glass virtual reality, the power supply to have been revealed attentions for long-term usage continuous healthy monitoring. To overcome challenge, self-powered BTO-PVDF/PDMS piezoelectric-triboelectric electric hybrid generators (BPP-HNG) are developed human gesture monitoring machine interaction (HMI) application without external supply. BPP-HNG based on BTO-PVDF PDMS films prepared by sol-gel spin-coating method. When BTO content is 20 wt.%, exhibits better electrical performance with an output voltage of 20.51 V. A real-time system designed interaction, which able control motion robot finger through BPP-HNG. could monitor recognize various gestures real time, enabling synchronization between hand robot's hand. With convergence AI technology big data, HMI expected realize potential smarter intuitive interactions.

Язык: Английский

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Tunable soft pressure sensors based on magnetic coupling mediated by hyperelastic materials

Soft Science, Год журнала: 2024, Номер 4(3)

Опубликована: Сен. 7, 2024

Recent advances in pressure sensors have garnered significant interest due to their promising applications healthcare, robotics and wearable technology. In these fields, there is an ever-increasing demand for soft that can conform complex surfaces, such as the human body. However, current often face limitations measurable ranges customization involves manufacturing processes. this study, we introduce innovative solution producing with varying maximum detection pressures. By utilizing a magnetic transduction mechanism different hyperelastic materials, developed adapt irregular surfaces. These measure wide range of pressures, from ultra-low medium, offer variable stiffness, sensitivity, measurement ranges. The manufactured exhibit 6.8 77.4 kPa, sensitivity between -5.1 × 10-2 -0.4 kPa-1, short recovery time 0.4 s, low hysteresis values during repeated loading/unloading cycles, stable response over thousands cycle. Proof-of-concept experiments validated sensors’ suitability breathing monitoring finger tap detection, highlighting potential medical robotic applications. results demonstrate robust strategy controlling performance sensors, positioning them candidates diverse sensing

Язык: Английский

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Micro-cylindrical/fibric electronic devices: materials, fabrication, health and environmental monitoring

Soft Science, Год журнала: 2024, Номер 4(4)

Опубликована: Ноя. 29, 2024

Micro-cylindrical electronic devices represent a rapidly emerging class of electronics distinguished by their unique geometries and superior mechanical properties. These features enable broad range applications across fields such as wearable fibric devices, surgical robotics, implantable medical devices. The choice micro-cylindrical substrate materials is crucial in determining device performance, high curvature excellent flexibility offer an ideal foundation for functional integration. This paper systematically reviews wide array suitable analyzing differences application potential terms stability, biocompatibility, processability. requirements specifically flexibility, integrative capabilities, lightweight nature, challenge conventional planar fabrication processes, which often fall short meeting these demands. Thus, we further examine custom techniques tailored electronics, assessing advantages, limitations, specific each approach. Additionally, analyze the current developmental progress multiple fields. review also outlines future directions this field, focusing on enhancing precision, improving material compatibility advancing integration intelligent functionalities. With comprehensive overview, aims to provide valuable reference research development promoting technological advancements innovation applications.

Язык: Английский

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Safe Coverage Control of Multi-Agent Systems and Its Verification in ROS/Gazebo Environment

Information, Год журнала: 2024, Номер 15(8), С. 462 - 462

Опубликована: Авг. 2, 2024

This paper presents safe coverage control algorithms for multi-agent systems, integrating Centroidal Voronoi Tessellation (CVT) and barrier functions (CBFs). study aims to ensure safety spatial optimization by combining CVT CBFs obstacle avoidance, testing the controller through simulations, verifying results with RT mobile robots. development of systems achieves a synergy that addresses both optimization, which are crucial systems. The proposed CVT-CBF-based has been validated extensive simulations in ROS/Gazebo environment physical experiments robots, demonstrating its effectiveness achieving collision-free coverage. provides comprehensive understanding integration avoidance highlighting potential necessary considerations practical deployment.

Язык: Английский

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