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Chemical Resistant Yarn with Hierarchical Core–Shell Structure for Safety Monitoring and Tunable Thermal Management in High-Risk Environments Article

Duo Xu, Yingcun Liu, Can Ge, Chong Gao, Ze Chen, Ziyi Su, Haoran Gong, Weilin Xu, Jian Fang

Engineering 2024, Volume 32, Issue 1,   Pages 221-229 doi: 10.1016/j.eng.2023.06.018

Abstract:

Chemical resistant textiles are vital for safeguarding humans against chemical hazards in various settings, such as industrial production, chemical accidents, laboratory activities, and road transportation. However, the ideal integration of chemical resistance, thermal and moisture management, and wearer condition monitoring in conventional chemically protective textiles remains challenging. Herein, the design, manufacturing, and use of stretchable hierarchical core–shell yarns (HCSYs) for integrated chemical resistance, moisture regulation, and smart sensing textiles are demonstrated. These yarns contain helically elastic spandex, wrapped silver-plated nylon, and surface-structured polytetrafluoroethylene (PTFE) yarns and are designed and manufactured based on a scalable fabrication process. In addition to their ideal chemical resistance performance, HCSYs can function as multifunctional stretchable electronics for real-time human motion monitoring and as the basic element of intelligent textiles. Furthermore, a desirable dynamic thermoregulation function is achieved by exploiting the fabric structure with stretching modulation. Our HCSYs may provide prospective opportunities for the future development of smart protective textiles with high durability, flexibility, and scalability.

Keywords： Hierarchical core–shell structure     Chemical resistant yarn     Wearable strain sensor     Thermoregulation    

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Personalized biomedical devices & systems for healthcare applications

I-Ming CHEN, Soo Jay PHEE, Zhiqiang LUO, Chee Kian LIM

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 3-12 doi: 10.1007/s11465-011-0209-z

Abstract: getting smaller and smaller and gradually can be applied to the human as portable, mobile and even wearablebiomedical devices resulted from the advancement of niche miniature sensors and actuators, namely, wearablebiomedical sensors, wearable haptic devices, and ingestible medical capsules.

Keywords： personalized medical devices     wearable sensor     haptic device     ingestible medical capsule    

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Soft curvature sensors for measuring the rotational angles of mechanical fingers

Haixiao LIU, Li LI, Zhikang OUYANG, Wei SUN

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 610-621 doi: 10.1007/s11465-020-0596-0

Abstract: The design, fabrication, and testing of soft sensors that measure elastomer curvature and mechanical finger bending are described in this study. The base of the soft sensors is polydimethylsiloxane (PDMS), which is a translucent elastomer. The main body of the soft sensors consists of three layers of silicone rubber plate, and the sensing element is a microchannel filled with gallium-indium-tin (Ga-In-Sn) alloy, which is embedded in the elastomer. First, the working principle of soft sensors is investigated, and their structure is designed. Second, the relationship between curvature and resistance is determined. Third, several sensors with different specifications are built in accordance with the structural design. Experiments show that the sensors exhibit high accuracy when the curvature changes within a certain range. Lastly, the soft sensors are applied to the measurement of mechanical finger bending. Experiments show that soft curvature sensors can effectively reflect mechanical finger bending and can be used to measure the bending of mechanical fingers with high sensitivity within a certain working range.

Keywords： soft sensor     Ga-In-Sn alloy     strain sensing     curvature sensing     mechanical finger bending    

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Multifunctional, Wearable, and Wireless Sensing System via Thermoelectric Fabrics

Xinyang He,Jiaxin Cai,Mingyuan Liu,Xuepeng Ni,Wendi Liu,Hanyu Guo,Jianyong Yu,Liming Wang,Xiaohong Qin,

Engineering doi: 10.1016/j.eng.2023.05.026

Abstract: Flexible thermoelectric materials play an important role in smart wearables, such as wearable power generationartificial intelligence (AI), higher standards for comfort, multifunctionality, and sustainable operation of wearableHerein, we present a multifunctional, wearable, and wireless sensing system based on a thermoelectricThis novel thermoelectric fabric-based wearable and wireless sensing platform has promising applications

Keywords： Thermoelectric fabrics     Wearable device     Wireless     Multifunctional sensing system     Outdoor wearable signal    

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Wearable Sweat Sensors

Elizabeth K. Wilson

Engineering 2019, Volume 5, Issue 3,   Pages 359-360 doi: 10.1016/j.eng.2019.04.008

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Wearable thermal energy harvester powered by human foot

Guodong XU, Yang YANG, Yixin ZHOU, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 26-38 doi: 10.1007/s11708-012-0215-9

Abstract: It was demonstrated that, the TEG working as a wearable power resource by utilizing thermal energy of

Keywords： human power     thermal energy     energy harvesting     micro power     wearable device    

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A systematic graph-based method for the kinematic synthesis of non-anthropomorphic wearable robots for

Fabrizio SERGI, Dino ACCOTO, Nevio L. TAGLIAMONTE, Giorgio CARPINO, Eugenio GUGLIELMELLI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 61-70 doi: 10.1007/s11465-011-0206-2

Abstract:

The choice of non-anthropomorphic kinematic solutions for wearable robots is motivated both by theHowever, the process of kinematic synthesis of non-anthropomorphic wearable robots can be too complexpresents a method, which allows to generalize the problem of kinematic synthesis of a non-anthropomorphic wearabletwo novel tests, specifically devised to solve the problem of enumeration of kinematic structures of wearablethe atlas of independent kinematic solutions suitable to be used for the kinematic design of a planar wearable

Keywords： assistive robotics     non-anthropomorphic wearable robots     topology     kinematic synthesis     HR-isomorphism test    

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Evaluation of the power-generation capacity of wearable thermoelectric power generator

Yang YANG, Jing LIU,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 346-357 doi: 10.1007/s11708-010-0112-z

Abstract: dissipating from the human body through the skin surface is a promising way to supply electronic power to wearableWe evaluate the energy generation capacity of a wearable TEG subject to various conditions based on biologicalTo further validate the calculation results for the wearable TEG, a series of conceptual experiments

Keywords： thermal energy harvester     thermoelectric generator     biological heat transfer     power generating capacity    

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Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 210-216 doi: 10.1007/s11709-012-0165-7

Abstract: If stresses or forces are needed, these are easily determined by the value of the strain and the relevant

Keywords： steel     stress-strain characteristics     tension test     strain design     actual behavior     improved design codes    

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Biomedical sensor technologies on the platform of mobile phones

Lin LIU, Jing LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 160-175 doi: 10.1007/s11465-011-0216-0

Abstract: The focus was particularly put on interpreting the technical strategies to innovate the biomedical sensor

Keywords： biomedical sensor     pervasive technology     mobile phone     combined system     health management    

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The New Development of Heavy Force Measurement Technique —Adhesion and Super-miniature Type of Heavy Force Sensors

Shen Jiuheng

Strategic Study of CAE 2001, Volume 3, Issue 10,   Pages 22-27

Abstract:

Heavy force sensor is a kind of high-technology electric information device for heavy equipment.The super-miniature adhesion type of heavy force sensor invented by the auther and its engineering application

Keywords： heavy equipment     heavy force sensor     supporting type     adhesion type     resistance strain gauge     division measurement    

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A low cost wearable optical-based goniometer for human joint monitoring

Chee Kian LIM, Zhiqiang LUO, I-Ming CHEN, Song Huat YEO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1,   Pages 13-22 doi: 10.1007/s11465-011-0201-7

Abstract: From the empirical results, it has been proven that this design can be use as a robust and effective wearable

Keywords： optical     goniometer     human-joint measurement    

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Research on the Development Strategy of Medical Devices and New Wearable Devices

Cheng Jing and Xing Wanli

Strategic Study of CAE 2017, Volume 19, Issue 2,   Pages 68-71 doi: 10.15302/J-SSCAE-2017.02.011

Abstract: In the burgeoning field of new wearable medical devices, we are encountering many more opportunitiesResearch on the Development Strategies of Medical Devices and New Wearable Medical Devices is one ofThis paper reports on the results of this project regarding research into medical devices and new wearableThis paper includes suggestions and proposals to clarify critical issues affecting the development of wearable

Keywords： medical devices     industry analysis     wearable devices     development strategies    

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Artificial muscles for wearable assistance and rehabilitation Review

Tian-yun DONG, Xiang-liang ZHANG, Tao LIU

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 11,   Pages 1303-1315 doi: 10.1631/FITEE.1800618

Abstract:

Traditional exoskeletons have made considerable contributions to people in terms of providing wearablematerials, dielectric elastomer (DE) and polyvinyl chloride (PVC) gel exhibit considerable actuation strainstress, high response speed, and long life span, which give them great potential for application in wearableLastly, we present the initial applications of these two materials for wearable assistance and rehabilitation

Keywords： Artificial muscle     Smart material     Dielectric elastomers (DE)     Polyvinyl chloride (PVC) gel     Actuator     Wearable    

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Development and testing of a wireless smart toolholder with multi-sensor fusion

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0774-y

Abstract: In this study, we propose a wireless smart toolholder with multi-sensor fusion for simultaneous sensing

Keywords： wireless smart toolholder     multi-sensor fusion     circular runout     dynamic balancing     static stiffness    

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Title Author Date Type Operation

Chemical Resistant Yarn with Hierarchical Core–Shell Structure for Safety Monitoring and Tunable Thermal Management in High-Risk Environments

Duo Xu, Yingcun Liu, Can Ge, Chong Gao, Ze Chen, Ziyi Su, Haoran Gong, Weilin Xu, Jian Fang

Journal Article

Personalized biomedical devices & systems for healthcare applications

I-Ming CHEN, Soo Jay PHEE, Zhiqiang LUO, Chee Kian LIM

Journal Article

Soft curvature sensors for measuring the rotational angles of mechanical fingers

Haixiao LIU, Li LI, Zhikang OUYANG, Wei SUN

Journal Article

Multifunctional, Wearable, and Wireless Sensing System via Thermoelectric Fabrics

Xinyang He,Jiaxin Cai,Mingyuan Liu,Xuepeng Ni,Wendi Liu,Hanyu Guo,Jianyong Yu,Liming Wang,Xiaohong Qin,

Journal Article

Wearable Sweat Sensors

Elizabeth K. Wilson

Journal Article

Wearable thermal energy harvester powered by human foot

Guodong XU, Yang YANG, Yixin ZHOU, Jing LIU

Journal Article

A systematic graph-based method for the kinematic synthesis of non-anthropomorphic wearable robots for

Fabrizio SERGI, Dino ACCOTO, Nevio L. TAGLIAMONTE, Giorgio CARPINO, Eugenio GUGLIELMELLI

Journal Article

Evaluation of the power-generation capacity of wearable thermoelectric power generator

Yang YANG, Jing LIU,

Journal Article

Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Journal Article

Biomedical sensor technologies on the platform of mobile phones

Lin LIU, Jing LIU

Journal Article

The New Development of Heavy Force Measurement Technique —Adhesion and Super-miniature Type of Heavy Force Sensors

Shen Jiuheng

Journal Article

A low cost wearable optical-based goniometer for human joint monitoring

Chee Kian LIM, Zhiqiang LUO, I-Ming CHEN, Song Huat YEO

Journal Article

Research on the Development Strategy of Medical Devices and New Wearable Devices

Cheng Jing and Xing Wanli

Journal Article

Artificial muscles for wearable assistance and rehabilitation

Tian-yun DONG, Xiang-liang ZHANG, Tao LIU

Journal Article

Development and testing of a wireless smart toolholder with multi-sensor fusion

Journal Article