Wearable health-monitoring devices are novel and integral developments based on smart-textiles.Conventional wearable technology consists of micro-controllers and a variety of electronic devices embedded on the skin,or...Wearable health-monitoring devices are novel and integral developments based on smart-textiles.Conventional wearable technology consists of micro-controllers and a variety of electronic devices embedded on the skin,or incorporated into the apparels,where they act as signal receptors,analytical devices and transmitters of the signals generated from the human body.Invasive methods are currently more commonly practiced where biofluids are obtained by penetrating the body by incision or injection,while in non-invasive methods no such penetrations take place.A critical review of current non-invasive wearable technology,including colorimetric,enzymatic,pH based,electrochemical and conductivity sensors,is presented in this paper along with the challenges and limitations they pose.Additionally,novel techniques of analysis have been explored concluding that a textile-based medium offers higher compatibility for integration of such sensors in comparison to other existing substrates.展开更多
A ballistic impact is a potential threat faced by military personnel in a battle-field,which includes fragmented munitions from explosive material.A wide array of material including woven structures,laminated structur...A ballistic impact is a potential threat faced by military personnel in a battle-field,which includes fragmented munitions from explosive material.A wide array of material including woven structures,laminated structures and non-woven structures have been developed for protection against potential impacts.However,the kinetic energy of the bullet at the point of impact causes heat dissipation,which is an existing problem at hand when developing reinforcement material.Therefore,this research is focused on developing a conceptual model and design for a shape memory polymer reinforced knitted spacer structure,where the impact energy is to be absorbed by the polymeric yarn,when the thermal energy raises the temperature of the SMP above its glass transition temperature.A theoretical model has been developed to establish the fabric parameters of the structure to facilitate the purpose while,a comprehensive design methodology,including determining the SMPhas been introduced for the design of the ballistic protection structure.Additionally,a MATLAB simulation was conducted to model the relationship between thedissipated heat energy and the required fabric parameters.展开更多
文摘Wearable health-monitoring devices are novel and integral developments based on smart-textiles.Conventional wearable technology consists of micro-controllers and a variety of electronic devices embedded on the skin,or incorporated into the apparels,where they act as signal receptors,analytical devices and transmitters of the signals generated from the human body.Invasive methods are currently more commonly practiced where biofluids are obtained by penetrating the body by incision or injection,while in non-invasive methods no such penetrations take place.A critical review of current non-invasive wearable technology,including colorimetric,enzymatic,pH based,electrochemical and conductivity sensors,is presented in this paper along with the challenges and limitations they pose.Additionally,novel techniques of analysis have been explored concluding that a textile-based medium offers higher compatibility for integration of such sensors in comparison to other existing substrates.
文摘A ballistic impact is a potential threat faced by military personnel in a battle-field,which includes fragmented munitions from explosive material.A wide array of material including woven structures,laminated structures and non-woven structures have been developed for protection against potential impacts.However,the kinetic energy of the bullet at the point of impact causes heat dissipation,which is an existing problem at hand when developing reinforcement material.Therefore,this research is focused on developing a conceptual model and design for a shape memory polymer reinforced knitted spacer structure,where the impact energy is to be absorbed by the polymeric yarn,when the thermal energy raises the temperature of the SMP above its glass transition temperature.A theoretical model has been developed to establish the fabric parameters of the structure to facilitate the purpose while,a comprehensive design methodology,including determining the SMPhas been introduced for the design of the ballistic protection structure.Additionally,a MATLAB simulation was conducted to model the relationship between thedissipated heat energy and the required fabric parameters.
