نتایج جستجو برای: piezoresistive sensor
تعداد نتایج: 189324 فیلتر نتایج به سال:
In the present study, we propose and develop a flexible pressure sensor based on the piezoresistive effect of multilayer graphene films on polyester textile. The pressure response results from the deformation of graphene conductive network structure and the changes in resistance. Here, we show that the graphene pressure sensor can achieve a sensitivity value of 0.012 kPa - 1 , the measurement r...
In the framework of developing innovative microfabricated pressure sensors, we present here three designs based on different readout principles, each one tailored for a specific application. A touch mode capacitive pressure sensor with high sensitivity (14 pF/bar), low temperature dependence and high capacitive output signal (more than 100 pF) is depicted. An optical pressure sensor intrinsical...
In silicon-based piezoresistive pressure sensor, the accuracy of sensor is affected mainly by thermal drift and sensitivity varies with rise in temperature. Here, temperature effects on desired representation are analysed. Use smart material Carbon nanotubes (CNT) a few effective compensation techniques presented this study to reduce effect sensor. Resistive employed extra piezoresistors Negati...
For an engineering feasibility study, we studied a simple design to improve NCSS (nanocarbon composite strain sensor) sensitivity by using its geometric pattern at macro scale. We fabricated bulk- and grid-type sensors with different filler content weights (wt.%) sensor lengths investigated their characteristics. also proposed unit gauge factor model of find correlation between length sensitivi...
In this paper, a beam-membrane (BM) sensor for measuring friction torque in micro-electro-mechanical system (MEMS) gas bearings is presented. The proposed sensor measures the force-arm-transformed force using a detecting probe and the piezoresistive effect. This solution incorporates a membrane into a conventional four-beam structure to meet the range requirements for the measurement of both th...
The two-dimensional material graphene promises a broad variety of sensing activities. Based on its low weight and high versatility, the sensor density can significantly be increased on a structure, which can improve reliability and reduce fluctuation in damage detection strategies such as structural health monitoring (SHM). Moreover; it initializes the basis of structure-sensor fusion towards s...
Atomic Force Microscopy (AFM) techniques are used with oneor two-dimensional arrays of piezoresistive probes for parallel imaging. We present a newly designed AFM platform to drive these passivated piezoresistive cantilever arrays in air and liquid environments. Large area imaging in liquid as well as qualitative and quantitative analysis of biological cells are demonstrated by the means of pie...
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