نتایج جستجو برای: sensing capability

تعداد نتایج: 212070  

2011
Pei Zhang Aveek Purohit

Distributed sensing applications have become feasible on a large-scale due to the proliferation of both new and existing connected devices in all walks of human life. However, this cloud of physical sensors must be designed and deployed in an ad-hoc or case-by-case basis due to today’s individual-device oriented and imperative programming paradigm. Moreover, the high heterogeneity in device mob...

2015
Mark Jouppi Sebastian Schweigert Jiewen Sun James Su Sunil Srinivasan Mark Norman Lester Jouppi Jimmy Su

While humans can naturally feel forces as they manipulate objects, robots need special instrumentation to provide this capability. Force and torque sensing is crucial to enable robots to perform manipulation tasks such as picking up delicate items, screwing in parts for assembly, and handling deformable objects. In this paper, I present a force sensing data acquisition system that I implemented...

2017
Chia Wang Guan-Yi Hong Kuan-Ming Li Hong-Tsu Young

In this study, a miniaturized thermistor sensor was produced using the Aerosol Jet printing process for temperature sensing applications. A nickel oxide nanoparticle ink with a large temperature coefficient of resistance was fabricated. The thermistor was printed with a circular NiO thin film in between the two parallel silver conductive tracks on a cutting tool insert. The printed thermistor, ...

2011
Yongbin Lin Yang Zou Robert G. Lindquist

We report the fabrication and characterization of an optical fiber biochemical sensing probe based on localized surface plasmon resonance (LSPR) and spectra reflection. Ordered array of gold nanodots was fabricated on the optical fiber end facet using electron-beam lithography (EBL). We experimentally demonstrated for the first time the blue shift of the LSPR scattering spectrum with respected ...

2005
JINSONG CHEN HUI LIN

Most paddy rice in the world grows in warm, humid and rainy environment where it is hard to acquire optical remote sensing data. Synthetic Aperture Radar (SAR) can acquire remote sensing information due to its all weather imaging and frequent revisit capability in the areas. A semi-empirical backscattering model was used to estimate leaf area index (LAI) from ENVISAT ASAR (Advanced Synthetic Ap...

2004
Prasad Dharap Zhiling Li Satish Nagarajaiah Enrique V. Barrera

Strain sensing characteristic of carbon nanotubes has been established in the past at nanoscale. In this study, it is shown that the carbon nanotube film sensors, made up of randomly oriented carbon nanotubes, can be used as strain sensors at macro level. A nearly linear trend between the change in voltage, measured using a movable four point probe, and strains, measured using conventional elec...

2013
Samira Faegh Nader Jalili Srinivas Sridhar

Detection of ultrasmall masses such as proteins and pathogens has been made possible as a result of advancements in nanotechnology. Development of label-free and highly sensitive biosensors has enabled the transduction of molecular recognition into detectable physical quantities. Microcantilever (MC)-based systems have played a widespread role in developing such biosensors. One of the most impo...

2006
Mustafa Calis

This paper presents for the first time a design methodology for MEMS/NEMS based on haptic sensing technologies. The software tool created as a result of this methodology will enable designers to model and interact in real time with their virtual prototype. One of the main advantages of haptic sensing is the ability to bring unusual microscopic forces back to the designer’s world. Other signific...

Journal: :Biomacromolecules 2013
Zhixing Gan Xinglong Wu Jinlei Zhang Xiaobin Zhu Paul K Chu

The temperature sensing capability of diphenylalanine nanotubes is investigated. The materials can detect local rapid temperature changes and measure the absolute temperature in situ with a precision of 1 °C by monitoring the temperature-dependent photoluminescence (PL) intensity and lifetime, respectively. The PL lifetime is independent of ion concentrations in the medium as well as pH in the ...

Journal: :Optics letters 2010
Jianfei Wang Juejun Hu Xiaochen Sun Anu Agarwal Lionel C Kimerling

We propose and theoretically analyze what we believe to be a novel design of cavity-enhanced photodetectors capable of sensing multiple wavelengths simultaneously in a single pixel. The design is based on phase-tuned propagation of resonant modes in cascaded planar resonant cavities. We show that this concept can be generalized to detect multiple wavelength combinations covering the entire near...

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