A Novel 3D-Printed Self-Healing, Touchless, and Tactile Multifunctional Flexible Sensor Inspired by Cutaneous Sensory Organs

Composites Communications, Journal Year: 2025, Volume and Issue: unknown, P. 102287 - 102287

Published: Jan. 1, 2025

Language: Английский

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Design, Fabrication, and Application of Large-Area Flexible Pressure and Strain Sensor Arrays: A Review

Micromachines, Journal Year: 2025, Volume and Issue: 16(3), P. 330 - 330

Published: March 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.

Language: Английский

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Bi-sided laser-induced graphene sensor with decoupled bending and stretching sensing

The European Physical Journal Special Topics, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Language: Английский

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Flexible Pressure Sensors Enhanced by 3D‐Printed Microstructures

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Abstract 3D printing has revolutionized the development of flexible pressure sensors by enabling precise fabrication diverse microstructures that significantly enhance sensor performance. These advancements have substantially improved key attributes such as sensitivity, response time, and durability, facilitating applications in wearable electronics, robotics, human–machine interfaces. This review provides a comprehensive analysis sensing mechanisms these sensors, emphasizing role microstructures, micro‐patterned, microporous, hierarchical designs, optimizing The advantages techniques, including direct indirect methods, creation complex with high precision adaptability are highlighted. Specific applications, human physiological signal monitoring, motion detection, soft emerging explored to demonstrate versatility sensors. Additionally, this briefly discusses challenges, material compatibility, optimization difficulties, environmental stability, well trends, integration advanced technologies, innovative multidimensional promising avenues for future advancements. By summarizing recent progress identifying opportunities innovation, critical insights into bridging gap between research real‐world helping accelerate evolution sophisticated 3D‐printed microstructures.

Language: Английский

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Multimodal Flexible Sensor for the Detection of Pressing–Bending–Twisting Mechanical Deformations

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 17(1), P. 2413 - 2424

Published: Dec. 26, 2024

Flexible sensors are increasingly significant in applications such as smart wearables and human–computer interactions. However, typical flexible spatially limited can generally detect only one deformation mode. This study presents a novel multimodal sensor that combines three sensing units: optoelectronics, ionic liquids, conductive fabrics. It employs sophisticated superposition combination of the methods to achieve up eight mechanical deformations, including pressing, bending, twisting, combinations thereof, all within very small space. has excellent detection performance, high sensitivity (optoelectronics 4.312, liquid 8.186, fabric 2.438), wide measurement range (pressing 0–75 kPa, bending 0–90°, twisting 0–180°), good consistency repeatability. To address signal coupling problem multimode sensors, deep learning method based on Transformer is combined provide precise decoupling signals high-precision characterization each deformation. Finally, wrist joint experiments demonstrate sensor's versatile uses interaction.

Language: Английский

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Shape Memory Polymers with Self-folding Deformation and Multi-stimulus Response

Journal of Bionic Engineering, Journal Year: 2024, Volume and Issue: 22(1), P. 238 - 250

Published: Dec. 20, 2024

Language: Английский

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