Academic literature on the topic 'Differential capacitive sensing'

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Journal articles on the topic "Differential capacitive sensing"

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Nurul, Arfah Che Mustapha, H. M. Zahirul Alam A., Khan Sheroz, and Wong Azman Amelia. "Parasitic consideration for differential capacitive sensor." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 798–807. https://doi.org/10.11591/eei.v8i3.1526.

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Parasitic integration for a single supply differential capacitive sensing technique is presented in this paper. In real capacitive sensor measurement, parasitic impedance exists in its measurement. This paper objective is to study the effect of capacitive and resistive parasitic to the capacitive sensor circuit. The differential capacitive sensor circuit derivation theory is elaborated first. Then, comparison is made using simulation. Test was carried out using frequency from 40 kHz up to 400 kHz. Result is presented and have shown good linearity of 0.99984 at 300 kHz, R-squared value. This capacitive sensor is expected to be used for energy harvesting application.
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Arfah Che Mustapha, Nurul, A. H. M. Zahirul Alam, Sheroz Khan, and Amelia Wong Azman. "Frequency dependency analysis for differential capacitive sensor." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 789–97. http://dx.doi.org/10.11591/eei.v8i3.1524.

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A differential capacitive sensing technique is discussed in this paper. The differential capacitive sensing circuit is making use of a single power supply. The design focus for this paper is on the excitation frequency dependency analysis to the circuit. Theory of the differential capacitive sensor under test is discussed and derivation is elaborated. Simulation results are shown and discussed. Next, results improvement has also been shown in this paper for comparison. Test was carried out using frequency from 40 kHz up to 400 kHz. Results have shown output voltage of Vout=0.07927 Cx+1.25205 and good linearity of R-squared value 0.99957 at 200 kHz. Potential application for this capacitive sensor is to be used for energy harvesting for its potential power supply.
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Nurul, Arfah Che Mustapha, H. M. Zahirul Alam A., Khan Sheroz, and Wong Azman Amelia. "Frequency dependency analysis for differential capacitive sensor." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 789–97. https://doi.org/10.11591/eei.v8i3.1524.

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Abstract:
A differential capacitive sensing technique is discussed in this paper. The differential capacitive sensing circuit is making use of a single power supply. The design focus for this paper is on the excitation frequency dependency analysis to the circuit. Theory of the differential capacitive sensor under test is discussed and derivation is elaborated. Simulation results are shown and discussed. Next, results improvement has also been shown in this paper for comparison. Test was carried out using frequency from 40 kHz up to 400 kHz. Results have shown output voltage of Vout=0.07927 Cx+1.25205 and good linearity of R-squared value 0.99957 at 200 kHz. Potential application for this capacitive sensor is to be used for energy harvesting for its potential power supply.
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Brookhuis, R. A., T. S. J. Lammerink, and R. J. Wiegerink. "Differential capacitive sensing circuit for a multi-electrode capacitive force sensor." Sensors and Actuators A: Physical 234 (October 2015): 168–79. http://dx.doi.org/10.1016/j.sna.2015.08.020.

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Arfah Che Mustapha, Nurul, A. H. M. Zahirul Alam, Sheroz Khan, and Amelia Wong Azman. "Parasitic consideration for differential capacitive sensor." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 798–807. http://dx.doi.org/10.11591/eei.v8i3.1526.

Full text
Abstract:
Parasitic integration for a single supply differential capacitive sensing technique is presented in this paper. In real capacitive sensor measurement, parasitic impedance exists in its measurement. This paper objective is to study the effect of capacitive and resistive parasitic to the capacitive sensor circuit. The differential capacitive sensor circuit derivation theory is elaborated first. Then, comparison is made using simulation. Test was carried out using frequency from 40 kHz up to 400 kHz. Result is presented and have shown good linearity of 0.99984 at 300 kHz, R-squared value. This capacitive sensor is expected to be used for energy harvesting application.
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Barile, Gianluca, Giuseppe Ferri, Francesca Romana Parente, et al. "Linear Integrated Interface for Automatic Differential Capacitive Sensing." Proceedings 1, no. 4 (2017): 592. http://dx.doi.org/10.3390/proceedings1040592.

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Ferri, G., F. R. Parente, V. Stornelli, G. Barile, and L. Pantoli. "Automatic Bridge-based Interface for Differential Capacitive Full Sensing." Procedia Engineering 168 (2016): 1585–88. http://dx.doi.org/10.1016/j.proeng.2016.11.466.

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Chun-Kai Chan, Sung-Cheng Lo, Yu-Che Huang, Mingching Wu, Ming-Yung Wang, and Weileun Fang. "Poly-Si Based Two-Axis Differential Capacitive-Sensing Accelerometer." IEEE Sensors Journal 12, no. 12 (2012): 3301–8. http://dx.doi.org/10.1109/jsen.2012.2215313.

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Xie, Jin, Rahul Agarwal, Kia Hian Lau, You He Liu, and Ming Lin Julius Tsai. "Three-Axis Capacitive SOI Accelerometer Using Combination of In-Plane and Vertical Comb Electrodes." Advanced Materials Research 254 (May 2011): 203–6. http://dx.doi.org/10.4028/www.scientific.net/amr.254.203.

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A three-axis capacitive accelerometer based on SOI is presented. Acceleration is detected by both in-plane and vertical comb electrodes. Separating the three-axis sensing with different groups of comb electrodes enables direct detection for each axis with full differential capacitive sensing scheme. The capacitance sensitivities of X and Y accelerometer are 160.7 fF/g and Z accelerometer 21.6 fF/g.
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Mikhailov, P. G. "Modeling the Influence of the Edge Electrostatic Effect on the Transformation Function of Thin-Film Quasi-Differential Capacitive Sensitive Elements." Journal of Physics: Conference Series 2096, no. 1 (2021): 012143. http://dx.doi.org/10.1088/1742-6596/2096/1/012143.

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Abstract Capacitive sensing elements are the main components of capacitive measuring transducers, which determine most of the metrological characteristics and operational parameters of sensors. First of all, capacitive sensing elements ensure the temporal and parametric stability of sensors, which are the main operational characteristics in such areas as rocket and space and aviation technology, the nuclear industry, in which the instability of sensors and measuring systems based on them can lead to high financial and human losses. etc. At the same time, compensation for lateral capacitive couplings and electrostatic leaks are very important issues, since small changes in capacitance when measuring physical quantities can lead to uninformative measurements in the presence of distortion of electrostatic fields in a capacitive sensing element. In this regard, it is necessary to take into account and simulate the stray fields of electrostatic fields and their influence on measurements.
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Dissertations / Theses on the topic "Differential capacitive sensing"

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Wu, Yang-Zheng, and 吳洋政. "A Differential Capacitive Sensing Circuit for CMOS-MEMS pressure device." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/g66e9x.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>100<br>In this thesis, a new type of capacitor sensor composed of pressure and CMOS circuitry is proposed. The capacitor variation can be measured directly by means of the sensing circuit, which is composed of an impedance amplifier or a switched-capacitor amplifier. The goal of this sensor is to detect various blood vessel pressures. It also provides an effective way in applications of bio-sensors. Furthermore, an array-typed MEMS-Pressure sensor can be to detect blood vessel pressures in various pressure ranges, and it is desired to become a wearable or implantable device. The sensing capacitor range of the proposed sensor is about 1~200 fF. By using readout circuits and comparing the I/O waveforms (in sine wave), we can calculate the capacitor variation of MEMS-Pressure sensor. We converted the Pressure-Sensor output capacitance into a voltage by a convert in this study. The sensing signals are then amplified and readout with instrumentation amplifier (IA) circuit. The proposed system is implemented in TSMC 0.35 μm 2P4M technology. The chip area is roughly 2.500*2.482 with power supply of 3.0V. The input signal is 1 MHz sine waves. The proposed structure has a capacitance measuring range from 1 femto-farad to hundreds of femto-farad. This study successfully presents a smart sensor which can detect a very small capacitance variation of MEMS-Pressure sensor.
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Hsu, Chun-Kai, and 徐俊凱. "The Test, Simulation and Improvement of Differential Capacitive Sensing Circuit." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/11989333514535213448.

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碩士<br>國立交通大學<br>電機與控制工程系所<br>93<br>The purpose of this dissertation is focus on the discussion of the capacitance sensing circuit’s application in micro gyroscope. In the beginning, the system architecture will be explain. Then we will generalize any kind of the sensing circuit and compare them. However, an external mismatch and the restriction of micro gyroscope, we design a fully-differential type according to the pseudo-differential type sensing circuit. And we use TSMC 0.35μm Mixed-Signal 2P4M Polycide 3.3/5V process to have the circuit’s layout and fabricate it by CIC. After the fabrication, we test the chip and improve it’s shortcomings. Then the circuit becomes more ideal and well integrated into the system of micro gyroscope.
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Books on the topic "Differential capacitive sensing"

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Hsu, Hsuan L. The Smell of Risk. NYU Press, 2020. http://dx.doi.org/10.18574/nyu/9781479807215.001.0001.

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The Smell of Risk considers the capacities of olfaction as a tool for sensing and staging modernity’s differentiated atmospheres and their associated environmental risks. Focusing on American literature and art from the 1890s to the present, the book considers how smell stages the pathways through which environmental materials enter and interact with bodies in detective fiction, naturalist novels, environmental illness memoirs, environmental justice narratives, and olfactory art. These texts reframe modernization as a regime of differential deodorization that relocates bad air and its associated noxious odors to vulnerable spaces and populations even as it derecognizes olfaction as a mode of embodied knowledge. The Smell of Risk brings insights from the fields of material ecocriticism, sensory studies, atmospheric geography, and critical race studies to bear on diverse contexts of atmospheric disparity, including Latinx communities exposed to freeway exhaust and pesticides, Asian diasporic artists’ responses to racial discourses about Asiatic odors, and writings that explore the atmospheric devastation of settler colonialism and the olfactory capacities of Indigenous plants.
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Book chapters on the topic "Differential capacitive sensing"

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Barile, Gianluca, Giuseppe Ferri, and Vincenzo Stornelli. "Capacitive Sensing." In Electronic Interfaces for Differential Capacitive Sensors. River Publishers, 2022. http://dx.doi.org/10.1201/9781003338048-2.

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Barile, G., G. Ferri, A. Depari, A. Flammini, and E. Sisinni. "Automatic Differential Capacitive Sensing by Means of Linear Interface." In Lecture Notes in Electrical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-37558-4_19.

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Conference papers on the topic "Differential capacitive sensing"

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Zadeh, E. G., and M. Sawan. "High accuracy differential capacitive circuit for bioparticles sensing applications." In 48th Midwest Symposium on Circuits and Systems, 2005. IEEE, 2005. http://dx.doi.org/10.1109/mwscas.2005.1594363.

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Boby George. "A Linear Variable Differential Capacitive Transducer for Sensing Planar Angles." In 2006 IEEE Instrumentation and Measurement Technology. IEEE, 2006. http://dx.doi.org/10.1109/imtc.2006.236553.

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George, Boby, N. Madhu Mohan, and V. Jagadeesh Kumar. "A Linear Variable Differential Capacitive Transducer for Sensing Planar Angles." In 2006 IEEE Instrumentation and Measurement Technology. IEEE, 2006. http://dx.doi.org/10.1109/imtc.2006.328458.

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Che Mustapha, Nurul Arfah, A. H. M. Zahirul Alam, Sheroz Khan, and Amelia Wong Azman. "Current behavior analysis of the single supply differential capacitive sensing." In 2016 IEEE Student Conference on Research and Development (SCOReD). IEEE, 2016. http://dx.doi.org/10.1109/scored.2016.7810072.

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Huang, Jung-Tang, Kai-Si Chen, and Chu-Che Chien. "A differential capacitive sensing circuit for micro-machined omnidirectional microphone." In 2011 IEEE International Conference on Nano/Micro Engineered and Molecular Systems (NEMS). IEEE, 2011. http://dx.doi.org/10.1109/nems.2011.6017511.

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Chan, Chun-Kai, Yu-Che Huang, Mingching Wu, and Weileun Fang. "A poly-Si based 2-axis differential capacitive-sensing accelerometer." In 2011 4th IEEE International Workshop on Advances in Sensors and Interfaces (IWASI). IEEE, 2011. http://dx.doi.org/10.1109/iwasi.2011.6004677.

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Jujjuvarapu, Sai Kishore, and Ashok Kumar Pandey. "Design and modeling of curved beam based differential capacitive MEMS accelerometer." In 2024 IEEE Applied Sensing Conference (APSCON). IEEE, 2024. http://dx.doi.org/10.1109/apscon60364.2024.10465764.

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Fang, Ran, Wengao Lu, Guannan Wang, et al. "Capacitor mismatch auto-compensation for MEMS gyroscope differential capacitive sensing circuit." In 2011 International Conference of Electron Devices and Solid-State Circuits (EDSSC). IEEE, 2011. http://dx.doi.org/10.1109/edssc.2011.6117623.

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Tran, T. T. H., N. V. Nguyen, N. C. Nguyen, T. T. Bui, and T. Chu Duc. "Biological microparticles detection based on differential capacitive sensing and dielectrophoresis manipulation." In 2016 International Conference on Advanced Technologies for Communications (ATC). IEEE, 2016. http://dx.doi.org/10.1109/atc.2016.7764793.

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Aezinia, Fatemeh, and Behraad Bahreyni. "A readout circuit with wide dynamic range for differential capacitive sensing applications." In 2013 26th IEEE Canadian Conference on Electrical and Computer Engineering (CCECE). IEEE, 2013. http://dx.doi.org/10.1109/ccece.2013.6567799.

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