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Repeated exposures to psychological stress can lead to or worsen diseases of slow accumulation such as heart diseases and cancer. The main challenge in addressing the growing epidemic of stress is a lack of robust methods to measure a person's exposure to stress in the natural environment. Periodic self-reports collect only subjective aspects, often miss stress episodes, and impose significant burden...
We have demonstrated the fiber-based CW modulation hard-target DIfferential Absorption Lidar (DIAL) system for CO2 sensing. It is shown that stable CO2 concentration measurement corresponding to 4 ppm(rms) can be realized.
This paper presents the detection of slipping with integrated piezoelectric vibration tactile sensors. A tactile sensor is important for robotics to find a mechanical pressure and contact condition between grippers and objects. We have proposed the integrated piezoelectric vibration-type tactile sensors to realize a high sensitivity and a wide measurement range. Previous sensors were only applied...
In this paper we illustrate the fabrication process of nano temperature sensors using focused ion beam chemical vapor deposition (FIB-CVD) of tungsten over atomic force microscope (AFM) cantilevers, to be used in sensing temperature distribution in local area. We present the fabrication approach & modifications for making these sensors capable of sensing temperature distributions not only in air...
Technological limitations on current interfaces have made researches to develop new devices to interact with objects in the virtual environment. The goal of this project is to develop and build a hands-free navigation system to be integrated into virtual environments. One of the most important fields in virtual reality (VR) research, is the development of systems that allow the user to interface with...
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