Visual Piezoresistive Dual‐Response Sensor Based on CaZnOS: Mn Mechanoluminescence Materials DOI

Junwen Yu,

Yun Liu, Q. Niu

et al.

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 12, 2024

Abstract The ability to achieve real‐time movement visualization in piezoresistive sensors remains a challenge. A visual sensor perceive the intensity of mechanical stimuli and visible spatial location information is designed based on mechanoluminescence material CaZnOS: Mn. linearity, detection range, sensitivity, stability are tested, sensing mechanism discussed, relationship between force, resistance, light established. 5 × array prepared realize dynamic force trajectory, combined with convolutional neural network random forest algorithm, human writing number pressure characteristics recognized, path handwriting robot arm controlled by multi‐feature input. experimental results show that machine learning algorithm very reliable an accuracy 98.33% for digit recognition 97.21% identity recognition. provides new idea flexible promotes development towards integration intelligence.

Language: Английский

Heat-Responsive PLA/PU/MXene Shape Memory Polymer Blend Nanocomposite: Mechanical, Thermal, and Shape Memory Properties DOI Open Access
Rajita Sanaka, Santosh Kumar Sahu, P.S. Rama Sreekanth

et al.

Polymers, Journal Year: 2025, Volume and Issue: 17(3), P. 338 - 338

Published: Jan. 26, 2025

This study investigates the fabrication and characterization of heat-responsive PLA/PU/MXene shape memory polymer blend nanocomposites with varying PLA content (10, 20, 30, 50%) a fixed MXene 0.5 wt.%. The results indicate significant improvements in mechanical properties, 50% showing 300% increase ultimate tensile strength 90% decrease % elongation compared to pure PU. Additionally, exhibited 400% flexural strength. Microstructural analysis revealed dispersed pores sea–island morphology PU blend. Thermal using DSC showed an crystallinity from 33% (pure PU) 45% for blend, indicating enhanced crystalline domains due semi-crystalline nature MXene’s influence on molecular ordering. TGA demonstrated improvement thermal stability, onset temperature rising 185 °C 212 degradation increasing 370 425 attributed rigid structure stabilizing effect. Shape testing that 30% achieved best fixity recovery optimal performance, whereas higher diminished behavior.

Language: Английский

Citations

0
Toward Autonomous Self‐Healing in Soft Robotics: A Review and Perspective for Future Research DOI Creative Commons
Seyedreza Kashef Tabrizian, Seppe Terryn, Bram Vanderborght

et al.

Advanced Intelligent Systems, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 17, 2025

Recent advances in dynamic and reversible polymer networks have led to self‐healing soft robots that can restore their physical electrical properties after damage. However, most cases, human intervention remains essential for the healing process. This poses a challenge, especially working environments with limited access or where involvement cand hinder efficiency. To address this gap, article, first, different phases of process robotics are discussed then technologies be integrated into allow each individual phase performed autonomously minimal reviewed. Finally, challenges integrating all perspectives on achieving fully autonomous future offered. These classified five: damage detection, cleaning, closure, stimulus‐triggered material healing, recovery assessment. Achieving these attributes requires employing intelligence at level through use stimuli‐responsive materials utilizing embodied system by healing‐assistive subsystems synergistic combination both. Consequently, achieve self‐sufficiency capabilities, rendering them sustainable solution broader applications.

Language: Английский

Citations

0
Hollow fiber-based strain sensors with desirable modulus and sensitivity at effective deformation for dexterous electroelastomer cylindrical actuator DOI Creative Commons
Yang Zhang, Keqi Deng, Tingting Shen

et al.

Microsystems & Nanoengineering, Journal Year: 2025, Volume and Issue: 11(1)

Published: Feb. 27, 2025

Abstract The electroelastomer cylindrical actuators, a typical representation of soft have recently aroused increasing interest owing to their advantages in flexibility, deformability, and spatial utilization rate. Proprioception is crucial for controlling monitoring the shape position these actuators. However, most existing flexible sensors modulus mismatch with actuation unit, hindering free movement Herein, low-modulus strain sensor based on laser-induced cellular graphitic flakes (CGF) onto surface hollow TPU fibers (HTF) present. Through electrostatic self-assembly technology, features unique hybrid sensing unit including HTF as substrate rigid CGF conductive path. As result, simultaneously possesses desirable (~0.155 MPa), gauge factor 220.3 (25% < ε 50%), fast response/recovery behaviors (31/62 ms), low detection limit (0.1% strain). Integrating actuators enables precise measurement deformation modes, directions, quantity. proof-of-concept demonstrations, prototype robot high-precision perception successfully designed, achieving real-time its deformations during crawling process. Thus, proposed scheme sheds new light development intelligent robots.

Language: Английский

Citations

0
Soft Materials and Devices Enabling Sensorimotor Functions in Soft Robots DOI

Jiangtao Su,

Ke He, Yanzhen Li

et al.

Chemical Reviews, Journal Year: 2025, Volume and Issue: unknown

Published: March 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

Language: Английский

Citations

0
Compliant Robotics in Space: A Prospective Review of Soft and Deformable Systems for Space Missions DOI Creative Commons
Hamed Rahimi Nohooji, Holger Voos

Advanced Intelligent Systems, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

Space exploration demands innovative robotic solutions to address complex challenges. This article provides a forward‐looking perspective on the emerging field of compliant robotics for space applications, categorizing these systems into reconfigurable, hyper‐redundant, origami‐inspired, and soft robots, each offering unique advantages facing distinct The review explores in‐depth critical roles robots can assume, ranging from on‐orbit servicing planetary beyond. It also addresses material selection, accounting harsh conditions space, examines complexities in design, actuation, sensing, control. concludes with future‐focused discussion trends, challenges, research directions. aims offer comprehensive understanding current state art, positioning as transformative force next frontier exploration.

Language: Английский

Citations

0
A Multifunctional Tactile Sensory System for Robotic Intelligent Identification and Manipulation Perception DOI Creative Commons
Yue Jiang, Fan Lin, Xilong Sun

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 9, 2024

Abstract Humans recognize and manipulate objects relying on the multidimensional force features captured by tactile sense of skin during manipulation. Since current sensors integrated in robots cannot support to multiple interaction states between manipulator objects, achieving human‐like perception analytical capabilities remains a major challenge for service robots. Prompted involved performing complex tasks, multimodal sensory system is presented provide situ simultaneous sensing when approaching, touching, manipulating objects. The comprises capacitive sensor owning high sensitivity 1.11E‐2 pF mm −1 , triboelectricity nanogenerator with fast response speed 30 ms, pressure array capable 3D detection. By Combining transfer learning models, which fuses information achieve high‐precision (up 95%) recognition multi‐featured targets such as random hardness texture under sampling conditions, including grasp velocity. This expected enhance intelligent behavior‐planning autonomous tasks undefined surrounding environments.

Language: Английский

Citations

1
Visual Piezoresistive Dual‐Response Sensor Based on CaZnOS: Mn Mechanoluminescence Materials DOI

Junwen Yu,

Yun Liu, Q. Niu

et al.

Advanced Materials Technologies, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 12, 2024

Abstract The ability to achieve real‐time movement visualization in piezoresistive sensors remains a challenge. A visual sensor perceive the intensity of mechanical stimuli and visible spatial location information is designed based on mechanoluminescence material CaZnOS: Mn. linearity, detection range, sensitivity, stability are tested, sensing mechanism discussed, relationship between force, resistance, light established. 5 × array prepared realize dynamic force trajectory, combined with convolutional neural network random forest algorithm, human writing number pressure characteristics recognized, path handwriting robot arm controlled by multi‐feature input. experimental results show that machine learning algorithm very reliable an accuracy 98.33% for digit recognition 97.21% identity recognition. provides new idea flexible promotes development towards integration intelligence.

Language: Английский

Citations

1