Academic literature on the topic 'Capacitive sensors, measurement systems,angular displacement'

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Journal articles on the topic "Capacitive sensors, measurement systems,angular displacement"

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Xu, Xiaohu, Xingchen Fan, Zhicheng Yu, Wenhao Teng, and Jiaxing Chen. "A flexible high-precision capacitive displacement sensor." Journal of Physics: Conference Series 3019, no. 1 (2025): 012068. https://doi.org/10.1088/1742-6596/3019/1/012068.

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Abstract In flexible conveyor systems and measurement systems where linear and angular displacements are used in combination, the use of multiple linear and angular displacement sensors for displacement measurement increases the complexity of the system and poses a great challenge to system design and accurate positioning. In this paper, a flexible high-precision capacitive displacement sensor is proposed, which can be applied to both linear and angular displacement measurements. The sensor consists of a dynamic ruler with excitation electrodes and a fixed ruler with sensing electrodes. The ex
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Ma, Tianxiang, Shengqi Yang, Yongsen Xu, Dachuan Liu, Jinghua Hou, and Yunqing Liu. "Analysis and Correction of Measurement Error of Spherical Capacitive Sensor Caused by Assembly Error of the Inner Frame in the Aeronautical Optoelectronic Pod." Sensors 22, no. 23 (2022): 9543. http://dx.doi.org/10.3390/s22239543.

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The ball joint is a multi-degree-of-freedom transmission pair, if it can replace the inner frame in the aviation photoelectric pod to carry the optical load, which will greatly simplify the system structure of the photoelectric pod and reduce the space occupied by the inner frame. However, installation errors in ball joint siting introduce nonlinear errors that are difficult to correct and two degree of freedom angular displacement of the ball joint is difficult to detect, which limits application in the precision control of two degrees of freedom systems. Studies of spherical capacitive senso
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Yang, Shengqi, Yulei Xu, Yongsen Xu, et al. "A Novel Method for Detecting the Two-Degrees-of-Freedom Angular Displacement of a Spherical Pair, Based on a Capacitive Sensor." Sensors 22, no. 9 (2022): 3437. http://dx.doi.org/10.3390/s22093437.

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The spherical pair has an important role in the inner frame of the stabilization mechanism of the aviation optoelectronic pod. However, its two-degrees-of-freedom (2-DOF) angular displacement signal is difficult to detect, seriously restricting its application in aviation optoelectronic pods. Therefore, this study proposes a new method to measure a spherical pair’s 2-DOF angular displacement using a spherical capacitive sensor. The capacitive sensor presented by this method realizes the measurement of the 2-DOF angular displacement of the spherical pair by integrating the spherical electrode g
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Baratov, Rustam, and Almardon Mustafoqulov. "Smart angular displacement sensor for agricultural field robot manipulators." E3S Web of Conferences 386 (2023): 03008. http://dx.doi.org/10.1051/e3sconf/202338603008.

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This study presents the electromagnetic angular displacement sensor and its technical characteristics. The existing electromagnetic angular displacement sensors have been thoroughly analyzed and compared with other types of sensors. The reason for the low sensitivity of the electromagnetic angular displacement sensor has been investigated and some technical modification to the existing sensor has been made. The magnetic circuits of the electromagnetic sensors have been analyzed. A method is proposed for expanding the range of angular measurements up to 180 degrees and increasing the sensitivit
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Yu, Guang Ping, Shan Hui Wang, and Ying Gang Zhou. "Research of Displacement Measuring System Based on Capacitive Grating Sensor." Applied Mechanics and Materials 20-23 (January 2010): 1260–64. http://dx.doi.org/10.4028/www.scientific.net/amm.20-23.1260.

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Capacitive grating sensor can be used to measure the length, as its capacitance changes with the shift difference. There are several measuring systems consisting of capacitive sensor, but all their basic principles are capacitive differential sensing. The structure, principles and characteristics of capacitive sensors are introduced in this paper. Especially, we designed a high-resolution electronic length measuring system based on Capacitive Grating Sensor. And the measurement error of the system and the reason are analysed. For this system, the measuring range is from 0 to 500mm, the resolut
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Yu, Jian-Ping, Wen Wang, Xin Li, and Zhao-Zhong Zhou. "A Novel Quadrature Signal Estimation Method for a Planar Capacitive Incremental Displacement Sensor." Measurement Science Review 16, no. 3 (2016): 127–33. http://dx.doi.org/10.1515/msr-2016-0015.

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Abstract This paper presents a novel phase-shift arctangent (PSA) interpolation method to improve the measurement accuracy of a planar capacitive incremental displacement sensor. Signals of planar capacitive micro-sensors acquire waveform errors, including sensitivity differences and phase-shift errors, because of static errors and dynamic disturbances. In the proposed PSA scheme, such errors are removed completely by loading a particular arctangent function. Moreover, measuring efficiency of the proposed planar capacitive sensors is improved by combining coarse measurement and fine estimation
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Daul, Lars, Tao Jin, Ingo Busch, and Ludger Koenders. "Influence of Geometric Properties of Capacitive Sensors on Slope Error and Nonlinearity of Displacement Measurements." Sensors 21, no. 13 (2021): 4270. http://dx.doi.org/10.3390/s21134270.

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Capacitive sensors are widely used in industrial applications, such as CNC machine tools, where reliable positioning in the micrometer range with nanometer accuracy is required. Hence, these sensors are operated in harsh industrial environments. The accuracy of these sensors is mainly limited by slope errors and nonlinearities. In practice, the required accuracy of these sensors is achieved by a calibration against a metrological high-quality reference such as interferometric displacement measurement systems. This usually involves the use of high-order polynomials as calibration functions base
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Xu, HanYang, Yulong Zhao, Kai Zhang, and Kyle Jiang. "A Capacitive MEMS Inclinometer Sensor with Wide Dynamic Range and Improved Sensitivity." Sensors 20, no. 13 (2020): 3711. http://dx.doi.org/10.3390/s20133711.

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This paper proposes a novel capacitive liquid metal microelectromechanical system (MEMS) inclinometer sensor and introduces its design, fabrication, and signal measurement. The sensor was constructed using three-layer substrates. A conductive liquid droplet was rolled along an annular groove of the intermediate substrate to reflect angular displacement, and capacitors were used to detect the position of the droplet. The numerical simulation work provides the working principle and structural design of the sensor, and the fabrication process of the sensor was proposed. Furthermore, the static ca
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Baratov, Rustam, and Almardon Mustafoqulov. "Model of field robot manipulators and sensor for measuring angular displacement of its rotating parts." E3S Web of Conferences 401 (2023): 04006. http://dx.doi.org/10.1051/e3sconf/202340104006.

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This research aims to measure and control the angular change of rotation mechanisms of (energy-saving) robotic manipulators used in agriculture to develop digital farming, energy saving, and quality product harvesting. The novelty of this research is that different processes and images are placed in a special processor for processing, and this robot processes the image according to the size of the tomato plant and tomato and tries to harvest the crop. This study presents the electromagnetic angular displacement sensor and its technical characteristics. The existing electromagnetic angular disp
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Vallance, R. Ryan, Eric R. Marsh, and Philip T. Smith. "Effects of Spherical Targets on Capacitive Displacement Measurements." Journal of Manufacturing Science and Engineering 126, no. 4 (2004): 822–29. http://dx.doi.org/10.1115/1.1813476.

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Capacitive displacement sensors are widely used in precision manufacturing and metrology because they measure displacements with nanometer resolution. Prior literature usually treats capacitive sensors consisting of electrodes arranged as parallel plates. In this work, the target electrode is spherical, which is common in machine tool metrology, spindle metrology, and the measurement of sphericity. The capacitance due to a gap between flat and spherical electrodes is less than that of two flat electrodes, which causes four effects. As the diameter of the target electrode is reduced, the sensit
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Dissertations / Theses on the topic "Capacitive sensors, measurement systems,angular displacement"

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Lysunenko, Nataliya. "Analysis of capacitive sensors of small linear displacement." Thesis, Молодь у глобалізованому світі: академічні аспекти англомовних фахових досліджень (англ. мовою) / Укл., ред. А.І.Раду: збірник мат. конф. - Львів: ПП "Марусич", 2011. - 147 с, 2011. http://er.nau.edu.ua/handle/NAU/20773.

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Book chapters on the topic "Capacitive sensors, measurement systems,angular displacement"

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Charry, Edgar, and Daniel T. H. Lai. "Methods for Improving Foot Displacement Measurements Calculated from Inertial Sensors." In Biomedical Engineering and Information Systems. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61692-004-3.ch005.

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The use of inertial sensors to measure human movement has recently gained momentum with the advent of low cost micro-electro-mechanical systems (MEMS) technology. These sensors comprise accelerometer and gyroscopes which measure accelerations and angular velocities respectively. Secondary quantities such as displacement can be obtained by integration of these quantities, a method which presents challenging issues due to the problem of accumulative sensor errors. This chapter investigates the spectral evaluation of individual sensor errors and looks at the effectiveness of minimizing these erro
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Conference papers on the topic "Capacitive sensors, measurement systems,angular displacement"

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Chapsky, Vladimir, Vladimir Portman, and Ben-Zion Sandler. "6-DOF Single-Inertial Mass, Isotropic Accelerometer With Optical Displacement Sensors." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95121.

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A novel design of high isotropy single mass six-degree-of-freedom (6-DOF) accelerometer has been developed and investigated. In the accelerometer, six spatial coordinates (three linear and three angular) of the inertial mass and their derivatives are observed by simple measurement of linear displacements of six optimally chosen points of the inertial mass. Calculation of the six acceleration components is then possible according to a specially developed mathematical algorithm. To provide the isotropy of the device’s sensitivity and to achieve the accuracy in the measurement of the linear and a
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Stubbs, Jack David, and Muhammad Arslan Shahid. "Blade Tip Clearance Measurement Systems for High Speed Turbomachinery Applications and the Potential for Blade Tip Timing Applications." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-15403.

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Abstract As turbomachinery OEMs focus efforts to further increase reliability, power and efficiencies, the running clearance between blade tips and stator continue to be of the utmost importance. This paper investigates the capability of capacitive tip clearance systems to perform individual blade tip clearance measurements on high speed rotors of up to 90,000rpm. A rotor was designed using finite element analysis; unique blade responses have been predicted. The objective of this investigation was to consider two different approaches to the application of blade tip clearance measurements and t
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Kwon, Do-Soo, MooHyun Kim, and Steven F. DiMarco. "Near-Real-Time Inverse Current and Wave Estimation from Multiple Sensors." In SNAME 30th Offshore Symposium. SNAME, 2025. https://doi.org/10.5957/tos-2025-012.

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This paper presents an ANN-based methodology to inversely estimate the significant wave height and near-surface current velocities using field data collected from a buoy (TABS-K) in the Gulf of Mexico. The buoy integrates multiple sensor systems—including an Acoustic Doppler Current Profiler (ADCP), directional current sensor, compass, and inertial measurement unit (IMU)—to capture a variety of signals such as heading, pitch, roll, and accelerations. Since each sensor operates with different sampling intervals and occasionally yields missing data, the raw measurements are first processed on an
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