Future smart and autonomous vehicles offer opportunities to improve the comfort of drivers and passengers during their journey. Entertainment activities or video conferencing within vehicles require high quality projection surfaces. Vehicle interior surfaces are expected to undergo a revolutionary change to meet the needs of future consumers. Use of technologies such as a 5G network, machine learning and cloud communication create the opportunity to personalize the vehicle experience. Driving information, advertisements, and information on-demand can be displayed as needed on projection surfaces for improved communication and convenience. Interactive surfaces will improve the customer experience by allowing the vehicle occupant to easily control and give commands within the vehicle. Vehicles will also sense the customer and automatically react to specific needs. In this paper, we will discuss technology trends and our evaluation of opportunities and limitations.
With increasing application of composite materials, real time monitoring of composite structures becomes vital for
maintenance purpose as well as prevention of catastrophic failure. It has been reported that carbon nanotubes (CNTs)
have excellent piezoresistive properties, which may enable a new generation of sensors in nano or micro scales. We
report here a novel prototype of carbon nanotube yarn sensors with excellent repeatability and stability for in-situ
structural health monitoring. The CNT yarn is spun directly from CNT arrays, and its electrical resistance increases
linearly with tensile strain, which makes it an ideal strain sensor. Importantly, it shows repeatable piezoresistive behavior
under repetitive straining and unloading. Yarn sensors show stable resistances at temperatures ranging from -196° to
110°. Neat yarn sensors are also embedded into resin to monitor the loading conditions of the composites. With
multiple yarn sensor elements aligned in the composite, the crack initiation and propagation could be monitored. Yarn
sensors could be easily incorporated into composite structures with minimal invasiveness and weight penalty to enable
the structure has self-sensing capabilities.
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