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Journal articles on the topic 'Inductive sensing'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Chang, Heng-Chung, Sheng-Chieh Liao, Hsieh-Shen Hsieh, Jung-Hung Wen, Chih-Huang Lai, and Weileun Fang. "Magnetostrictive type inductive sensing pressure sensor." Sensors and Actuators A: Physical 238 (February 2016): 25–36. http://dx.doi.org/10.1016/j.sna.2015.11.023.

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2

Guckel, H., T. Earles, J. Klein, J. D. Zook, and T. Ohnstein. "Electromagnetic linear actuators with inductive position sensing." Sensors and Actuators A: Physical 53, no. 1-3 (May 1996): 386–91. http://dx.doi.org/10.1016/0924-4247(96)01137-5.

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3

Guo, Yi-Xin, Cong Lai, Zhi-Biao Shao, Kai-Liang Xu, and Ting Li. "Differential Structure of Inductive Proximity Sensor." Sensors 19, no. 9 (May 13, 2019): 2210. http://dx.doi.org/10.3390/s19092210.

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The inductive proximity sensor (IPS) is applicable to displacement measurements in the aviation field due to its non-mechanical contact, safety, and durability. IPS can increase reliability of position detection and decrease maintenance cost of the system effectively in aircraft applications. Nevertheless, the specialty in the aviation field proposes many restrictions and requirements on the application of IPS, including the temperature drift effect of the resistance component of the IPS sensing coil. Moreover, reliability requirements of aircrafts restrict the use of computational-intensive algorithms and avoid the use of process control components. Furthermore, the environment of airborne electronic equipment restricts measurements driven by large current and proposes strict requirements on emission tests of radio frequency (RF) energy. For these reasons, a differential structured IPS measurement method is proposed in this paper. This measurement method inherits the numerical separation of the resistance and inductance components of the IPS sensing coil to improve the temperature adaptation of the IPS. The computational complexity is decreased by combining the dimension-reduced look-up table method to prevent the use of process control components. The proposed differential structured IPS is equipped with a differential structure of distant and nearby sensing coils to increase the detection accuracy. The small electric current pulse excitation decreases the RF energy emission. Verification results demonstrate that the differential structured IPS realizes the numerical decoupling calculation of the vector impedance of the sensing coil by using 61 look-up table units. The measuring sensitivity increased from 135.5 least significant bits (LSB)/0.10 mm of a single-sensing-coil structured IPS to 1201.4 LSB/0.10 mm, and the linear approximation distance error decreased from 99.376 μm to −3.240 μm. The proposed differential structured IPS method has evident comparative advantages compared with similar measuring techniques.

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4

Strand, Geir‐Harald. "An inductive approach to remote sensing in forestry." Scandinavian Journal of Forest Research 6, no. 1-4 (January 1991): 425–32. http://dx.doi.org/10.1080/02827589109382680.

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5

Larbani, Sofiane, Noreha Abdul Malik, Anis Norashikin Nordin, Sheroz Khan, and Mohammad Shobaki. "Inductive Loops for Sensing Position as Signature Signals." IOP Conference Series: Materials Science and Engineering 53 (December 20, 2013): 012033. http://dx.doi.org/10.1088/1757-899x/53/1/012033.

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6

Marioli, D., E. Sardini, and M. Serpelloni. "An inductive telemetric measurement system for humidity sensing." Measurement Science and Technology 19, no. 11 (September 30, 2008): 115204. http://dx.doi.org/10.1088/0957-0233/19/11/115204.

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7

Gu, Xingying, Qifu Tang, Donglin Peng, and Daodao Weng. "An Inductive Linear Displacement Sensor With Bilateral Sensing Units." IEEE Sensors Journal 21, no. 1 (January 1, 2021): 296–305. http://dx.doi.org/10.1109/jsen.2020.3014674.

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8

Hughes, Robert R., and Steve Dixon. "Analysis of Electrical Resonance Distortion for Inductive Sensing Applications." IEEE Sensors Journal 18, no. 14 (July 15, 2018): 5818–25. http://dx.doi.org/10.1109/jsen.2018.2841506.

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9

Wu, Sen, Zhijian Liu, Haichao Yuan, Kezhen Yu, Yuefeng Gao, Liankun Liu, and Xinxiang Pan. "Multichannel Inductive Sensor Based on Phase Division Multiplexing for Wear Debris Detection." Micromachines 10, no. 4 (April 13, 2019): 246. http://dx.doi.org/10.3390/mi10040246.

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Inductive wear debris sensor has been widely used in real time machine lubricant oil condition monitoring and fault forecasting. However, the small sensing zone, which is designed for high sensitivity, of the existing sensors leads to low throughput. In order to improve the throughput, a novel multichannel wear debris sensor that is based on phase division multiplexing is presented. By introducing the phase shift circuit into the system, multiple sensing coils could work at different initial phases. Multiple signals of sensing coils could be combined into one output without information loss. Synchronized sampling is used for data recording, and output signals of multiple sensing coils are extracted from the recorded data. A four-channel wear debris sensor system was designed to demonstrate our method. Subsequently, crosstalk analysis, pseudo-dynamic testing and dynamic testing were conducted to check the sensing system. Results show that signals of four sensing coils could be simultaneously detected and the detection limit for ferrous wear debris is 33 μm. Using the presented method, real time wear debris detection in multiple channels could be achieved without increasing the number of excitation source and data acquisition equipment.

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10

Kan, Wenqing, Ying Huang, Xiao Zeng, Xiaohui Guo, and Ping Liu. "A dual-mode proximity sensor with combination of inductive and capacitive sensing units." Sensor Review 38, no. 2 (March 19, 2018): 199–206. http://dx.doi.org/10.1108/sr-06-2017-0111.

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Purpose The purpose of this paper is to present a dual-mode proximity sensor composed of inductive and capacitive sensing modes, which can help the robot distinguish different objects and obtain distance information at the same time. A systematic study of sensor response to various objects and the function of cooperation sensing is needed. Furthermore, the application in the field of robotic area needs to be discussed. Design/methodology/approach Numerical modeling of each sensing modes and simulations based on finite element analysis method has been carried out to verify the designed dual-mode sensor. A number of objects composed of different materials are used to research the cooperation perception and proximity sensing functions. In addition, the proposed sensor is used on the palm of a mechanical hand as application experiment. Findings The characteristics of the sensor are summarized as follows: the sensing range of inductive mode is 0-5.6 mm for detecting a copper block and the perceive range of capacitive mode is 0-5.1 mm for detecting a plastic block. The collaborative perceive tests validated that the non-ferromagnetism metals can be distinguished by inductive mode. Correspondingly, ferromagnetism metals and dielectric objects are differentiated by capacitive mode. Application experiments results reveal that both plastic bottle and steel bottle could be detected and differentiated. The experimental results are in agreement with those of simulations. Originality value This paper provides a study of dual-mode proximity sensor in terms of design, experiments and application.

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11

Noh, Myounggyu, Sunyoung Kim, Seongki Baek, and Young-Woo Park. "Ring-Shaped Inductive Sensor Design and Application to Pressure Sensing." Transactions of the Korean Society of Mechanical Engineers A 39, no. 10 (October 1, 2015): 995–99. http://dx.doi.org/10.3795/ksme-a.2015.39.10.995.

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12

Wang, Tao, Bicong Wang, Yuyi Chen, and Yufeng Luo. "A Rotation-Speed Measurement System Based on Magneto-Inductive Effect." Sensor Letters 18, no. 4 (April 1, 2020): 299–303. http://dx.doi.org/10.1166/sl.2020.4219.

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There are few reports on high rotational speed measurement of brushless direct current (DC) motors based on giant magneto-inductive effect. In this study, a rotational speed measurement system based on giant magneto-inductive effect is established for measuring the rotational speeds of DC motors. Successive sawtooth waves are found when rotating shaft is close to the GMI sensor. Through using the magneto-inductive sensing system, different high rotational speeds (1500∼24000 r/min) of the motor are accurately measured. Therefore, this giant magneto-inductive sensor may be used for high rotational speed measurement of motors.

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13

Weathersby, Ethan J., Clement J. Gurrey, Jake B. McLean, Benjamin N. Sanders, Brian G. Larsen, Ryan Carter, Joseph L. Garbini, and Joan E. Sanders. "Thin Magnetically Permeable Targets for Inductive Sensing: Application to Limb Prosthetics." Sensors 19, no. 18 (September 19, 2019): 4041. http://dx.doi.org/10.3390/s19184041.

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The purpose of this research was to create a thin ferrous polymer composite to be used as a target for inductive sensing in limb prosthetics. Inductive sensors are used to monitor limb-to-socket distance in prosthetic sockets, which reflects socket fit. A styrene–ethylene–ethylene/propylene–styrene (SEEPS) polymer was mixed with iron powder at three concentrations (75, 77, 85 wt%), and thin disk-shaped samples were fabricated (0.50, 0,75, 1.00 mm thickness). For 85 wt% samples of 0.50 mm thickness, which proved the best combination of high signal strength and low target volume, inductive sensor sensitivity ranged from 3.2E5 counts/mm at 0.00–1.00 mm distances to 7.2E4 counts/mm at 4.00–5.00 mm distances. The application of compressive stress (up to 425 kPa) introduced an absolute measurement error of less than 3.3 μm. Tensile elasticity was 282 kPa, which is comparable to that of commercial elastomeric liners. Durability testing in the shoe of an able-bodied participant demonstrated a change in calibration coefficient of less than 3.8% over two weeks of wear. The ferrous polymer composite may facilitate the development of automatically adjusting sockets that use limb-to-socket distance measurement for feedback control.

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14

Ji, Qing Shan, and Hong Yan Hao. "A Composite Approach of Sensorless Rotor Position Sensing for Brushless DC Motor." Advanced Materials Research 230-232 (May 2011): 877–83. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.877.

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The principles and characteristics of the sensorless brushless DC motor rotor position detection were analyzed by using inductive method and third harmonic back-EMF detection method. A composite rotor position detection method was proposed in full speed range (including zero speed). At zero speed (static state) inductive method was used to determine the initial rotor position, and it was bases of starting and controlling for the brushless DC motor; at low speed third harmonic back EMF detection method was used. Analysis shows that the composite test method can estimate the rotor position, and it is to achieve the position sensorless brushless DC motor to run a viable method.

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15

Abu Khater, Mohammad, Mahmoud Abdelfattah, Michael D. Sinanis, and Dimitrios Peroulis. "Monitoring and Control of MEMS Tunable Filters Using Inductive Proximity Sensing." IEEE Transactions on Microwave Theory and Techniques 66, no. 12 (December 2018): 5605–13. http://dx.doi.org/10.1109/tmtt.2018.2873296.

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16

Takagi, M., K. Mohri, M. Katoh, and S. Yoshino. "Magnet-Displacement Sensor Using Magneto-Inductive Elements for Sensing Eyelid Movement." IEEE Translation Journal on Magnetics in Japan 9, no. 2 (March 1994): 78–83. http://dx.doi.org/10.1109/tjmj.1994.4565830.

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17

Gal-Katziri, Matan, and Ali Hajimiri. "Analysis and Design of Coupled Inductive Bridges for Magnetic Sensing Applications." IEEE Journal of Solid-State Circuits 54, no. 7 (July 2019): 1883–94. http://dx.doi.org/10.1109/jssc.2019.2907196.

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18

Christopoulos, Angelos, Evangelos Hristoforou, Ilias Koulalis, and George Tsamasphyros. "Inductive strain sensing using magnetostrictive wires embedded in carbon fibre laminates." Smart Materials and Structures 23, no. 8 (July 15, 2014): 085035. http://dx.doi.org/10.1088/0964-1726/23/8/085035.

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19

Bulbul, Ashrafuzzaman, and Hanseup Kim. "Pressure Sensor Embedded Inductive Coil Toward a Wireless Pressure Sensing Stent." Journal of Microelectromechanical Systems 30, no. 2 (April 2021): 224–33. http://dx.doi.org/10.1109/jmems.2020.3049085.

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20

Tseng, V. F. G., and H. Xie. "Simultaneous piston position and tilt angle sensing for large vertical displacement micromirrors by frequency detection inductive sensing." Applied Physics Letters 107, no. 21 (November 23, 2015): 214102. http://dx.doi.org/10.1063/1.4936375.

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21

Misron, Norhisam, Loo Qian Ying, Raja Nor Firdaus, Norrimah Abdullah, Nashiren Farzilah Mailah, and Hiroyuki Wakiwaka. "Effect of Inductive Coil Shape on Sensing Performance of Linear Displacement Sensor Using Thin Inductive Coil and Pattern Guide." Sensors 11, no. 11 (November 3, 2011): 10522–33. http://dx.doi.org/10.3390/s111110522.

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22

Takagi, M., K. Mohri, S. Yoshino, and M. Katoh. "Magnet-Displacement Sensor Using Magneto-Inductive Elements for Sensing Both Eyelid Movement." Journal of the Magnetics Society of Japan 17, no. 2 (1993): 409–12. http://dx.doi.org/10.3379/jmsjmag.17.409.

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23

Mandache, Catalin. "Inductive and solid-state sensing of pulsed eddy current: A comparative study." International Journal of Applied Electromagnetics and Mechanics 45, no. 1-4 (May 6, 2014): 265–71. http://dx.doi.org/10.3233/jae-141839.

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24

Velicheti, Dheeraj, Peter B. Nagy, and Waled Hassan. "High-frequency Hall coefficient measurement using inductive sensing for nondestructive materials characterization." NDT & E International 94 (March 2018): 109–19. http://dx.doi.org/10.1016/j.ndteint.2018.01.003.

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25

Pinheiro Silva, Marcus Tadeu, and Flávio Henrique Vasconcelos. "Temperature Sensing System With Short-Range Wireless Sensor Based on Inductive Coupling." IEEE Sensors Journal 11, no. 10 (October 2011): 2469–78. http://dx.doi.org/10.1109/jsen.2011.2140394.

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26

Chen, Yung-Chang, Sung-Chu Yu, Shih-Hsien Cheng, and Yu-Ting Cheng. "A Flexible Inductive Coil Tag for Household Two-Wire Current Sensing Applications." IEEE Sensors Journal 12, no. 6 (June 2012): 2129–34. http://dx.doi.org/10.1109/jsen.2012.2183587.

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27

Salmerón, José, Andreas Albrecht, Silmi Kaffah, Markus Becherer, Paolo Lugli, and Almudena Rivadeneyra. "Wireless Chipless System for Humidity Sensing." Sensors 18, no. 7 (July 13, 2018): 2275. http://dx.doi.org/10.3390/s18072275.

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This work describes a fully wireless sensory system where a chipless strategy is followed in the sensor part. Alternatively, to characterize only the sensing element, we present the response of the reader antenna when the sensing element is placed in its vicinity: changes in the parameter of interest are seen by the reader through inductive coupling, varying its frequency response. The sensing part consists of a LC circuit manufactured by printing techniques on a flexible substrate, whose electrical permittivity shows dependence with the moisture content. The measurement distance show significant differences in the frequency response: a change of 700 kHz is observed when the measurement is performed directly on the wireless chipless sensor between 20% and 80%RH, while this variation in frequency is reduced more than three times when measuring at the reader antenna with 5 mm distance between elements. Furthermore, we demonstrate the importance of the separation between reader and sensor to get a reliable measuring system.

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28

Michalski, Piotr, and Mariusz Piotr Hetmańczyk. "The Self-Excitation Phenomenon of Quasi Shielded Inductive Proximity Switches." Advanced Materials Research 837 (November 2013): 405–10. http://dx.doi.org/10.4028/www.scientific.net/amr.837.405.

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Authors of this article had to build the Poka-Yoke [ unit for unusual geometry element, which require to use the inductive proximity switches with relatively small diameter and good sensing range. Industrial sensors suppliers putted on to the market new type of sensor named quasi flush or semi flush which fulfill the needs. An article shows the observed influence of the geometry of tested elements for the self-excitation phenomenon of quasi shielded inductive proximity switches. In consequence this phenomenon can cause in false quality control and passing the wrong elements through the Poka-Yoke unit.

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29

Säuberlich, Avner Ostrovski, Aluisio do Nascimento Wrasse, Eduardo Nunes dos Santos, and Marco José da Silva. "Multi-Electrode Capacitive and Inductive Sensing Applied to Level Measurement of Multiphase Fluids." Proceedings 42, no. 1 (November 14, 2019): 75. http://dx.doi.org/10.3390/ecsa-6-06566.

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Multiphase gravity separators are widely used in the petroleum industry to separate the produced stream of oil, water and natural gas into pure (single-phase) streams. These equipment work based on the density differences of each fluid which tend to settle into layers when dwelled for some time in the separator. It is fundamental to monitor the levels of these phases inside the vessel, so that this information can be used in control strategies in order to increase the efficiency and safety of the process. In this work, we present a novel multiphase level sensor based on capacitance and inductance measurements of planar multi-electrodes and multi-coils. The sensor is low-cost, fast and does not apply ionizing radiation, being therefore simple to operate. The prototype sensor was constructed in standard printed-circuit board (PCB) technology and highly sensitive capacitance and inductance measurements are acquired with modern integrated circuit devices. Since the capacitive sensor readings depend on the water salinity, we perform simultaneous inductance measurements to compensate for such dependence. We have tested the prototype from two different approaches: varying the water salinity and for different water/oil mixtures. Preliminary results have shown the capability of the sensor to differentiate each one of the produced fluids, i.e., salty water, oil and gas, as well as the interfaces between them. A 16 electrodes capacitive-only sensor prototype was also built and tested.

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30

Niitsu, Kiichi, Noriyuki Miura, Mari Inoue, Yoshihiro Nakagawa, Masamoto Tago, Masayuki Mizuno, Hiroki Ishikuro, and Tadahiro Kuroda. "60% Power Reduction in Inductive-Coupling Inter-Chip Link by Current-Sensing Technique." Japanese Journal of Applied Physics 46, no. 4B (April 24, 2007): 2215–19. http://dx.doi.org/10.1143/jjap.46.2215.

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31

Cortes, Ivan, and Won-jong Kim. "Lateral Position Error Reduction Using Misalignment-Sensing Coils in Inductive Power Transfer Systems." IEEE/ASME Transactions on Mechatronics 23, no. 2 (April 2018): 875–82. http://dx.doi.org/10.1109/tmech.2018.2801250.

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32

Tseng, Victor Farm-Guoo, and Huikai Xie. "Resonant Inductive Coupling-Based Piston Position Sensing Mechanism for Large Vertical Displacement Micromirrors." Journal of Microelectromechanical Systems 25, no. 1 (February 2016): 207–16. http://dx.doi.org/10.1109/jmems.2015.2499301.

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33

Krivec, Matic, Martin Lenzhofer, Thomas Moldaschl, Jaka Pribošek, Anže Abram, and Michael Ortner. "Inkjet printing of multi-layered, via-free conductive coils for inductive sensing applications." Microsystem Technologies 24, no. 6 (November 22, 2017): 2673–82. http://dx.doi.org/10.1007/s00542-017-3639-7.

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34

Zuo, Xibing, Xuchu Yu, Bing Liu, Pengqiang Zhang, Xiong Tan, and Xiangpo Wei. "Graph inductive learning method for small sample classification of hyperspectral remote sensing images." European Journal of Remote Sensing 53, no. 1 (January 1, 2020): 349–57. http://dx.doi.org/10.1080/22797254.2021.1901064.

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35

Zhao, Ziyu, Zhenxia Liu, Yaguo Lyu, and Yajun Gao. "Experimental Investigation of High Temperature-Resistant Inductive Sensor for Blade Tip Clearance Measurement." Sensors 19, no. 1 (December 24, 2018): 61. http://dx.doi.org/10.3390/s19010061.

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Turbine tip clearance of aero-engine is important to engine performance. Proper control of rotor tip clearance contributes to engine efficiency improvement and fuel consumption reduction. Therefore, accurate tip clearance measurement is essential. The inductive measurement method is one of the non-contact distance measurement methods, which has the characteristics of high sensitivity, fast response speed and strong anti-interference ability. Based on the principle of inductive sensor measuring tip clearance, the ambient temperature change will cause the material electromagnetic performance change for the conductivity and permeability varies with temperature. The calibration experiment was conducted to obtain the sensor resolution and sensing range. The effect of temperature on sensor parameters was extracted from high temperature experiment data. Results show the resolution of planar coil made of platinum wire can be 10 μm and the maximum sensing range can reach 5 mm. At temperature from 500 ℃ to 1100 ℃, coil inductance almost does not change with temperature while coil resistance varies exponentially with temperature, that means the coil inductance variation can reflect the tip clearance change and resistance can indicate the measuring temperature.

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36

Ma, Yu Zhen, Xin Hua Wang, Hong Min Li, Xiao Dong, and Yan Hui Kang. "A New Capacitive Sensing System for Roundness Measurement." Advanced Materials Research 662 (February 2013): 754–57. http://dx.doi.org/10.4028/www.scientific.net/amr.662.754.

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A capacitive sensing system for measuring spindle roundness was proposed in this paper, it was different with the past method using inductive sensors and laser displacement sensors. Three capacitive displacement probes were installed circularly on the measured shaft, because of capacitive sensor with average effect in two electrode plates, it is able to overcome the affect of microscopic factors. while the shaft was rotating with a certain speed, the probes measured the shaft’s profile in non-contact mode simultaneously, then through linear combination for three output signals, the spindle error of the rotating shaft was eliminated, and the roundness error was effectively separated from the measurement results. The experiment results have verified the effectiveness of roundness error measuring system based on mutiple capacitive probes, this capacitive sensing system can be used for rotating shaft roundness measurement.

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37

Mizuno, Tsutomu, Takayuki Fujii, Takahiro Mizuguchi, Yoshio Kishi, Katsuhiko Nakaya, Masaki Kasai, and Atsushi Shimizu. "Inductive Proximity Sensor with Novel Structure of Ferrite Core." Materials Science Forum 670 (December 2010): 142–50. http://dx.doi.org/10.4028/www.scientific.net/msf.670.142.

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Inductive proximity sensors (proximity sensors) are noncontact sensing devices used to detect the approach of a target by an increase in coil impedance due to eddy current loss. Extending the operating distance of these sensors is demanded. The flux of a conventional proximity sensor has difficulty in reaching the target because of the presence of the center magnetic pole of ferrite core. Therefore, in this paper, we examine a proximity sensor using a novel structure of ferrite core without the center magnetic pole. In this novel structure, flux easily reaches the target because of the absence of the center magnetic pole. In addition, it is possible to reduce AC resistance due to the proximity effect for the use of a magnetoplated wire. As a result, the operating distance for the novel structure is 1.3-fold that for the conventional structure.

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38

Berger, Marc, Anne Zygmanowski, and Stefan Zimmermann. "Differential Inductive Sensing System for Truly Contactless Measuring of Liquids′ Electromagnetic Properties in Tubing." Sensors 21, no. 16 (August 17, 2021): 5535. http://dx.doi.org/10.3390/s21165535.

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Certain applications require a contactless measurement to eliminate the risk of sensor-induced sample contamination. Examples can be found in chemical process control, biotechnology or medical technology. For instance, in critically ill patients requiring renal replacement therapy, continuous in-line monitoring of blood conductivity as a measure for sodium should be considered. A differential inductive sensing system based on a differential transformer using a specific flow chamber has already proven suitable for this application. However, since the blood in renal replacement therapy is carried in plastic tubing, a direct measurement through the tubing offers a contactless method. Therefore, in this work we present a differential transformer for measuring directly through electrically non-conductive tubing by winding the tube around the ferrite core of the transformer. Here, the dependence of the winding type and the number of turns of the tubing on the sensitivity has been analyzed by using a mathematical model, simulations and experimental validation. A maximum sensitivity of 364.9 mV/mol/L is measured for radial winding around the core. A longitudinal winding turns out to be less effective with 92.8 mV/mol/L. However, the findings prove the ability to use the differential transformer as a truly contactless sensing system.

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39

Schormans, Matthew, Virgilio Valente, and Andreas Demosthenous. "A Low-Power, Wireless, Capacitive Sensing Frontend Based on a Self-Oscillating Inductive Link." IEEE Transactions on Circuits and Systems I: Regular Papers 65, no. 9 (September 2018): 2645–56. http://dx.doi.org/10.1109/tcsi.2018.2835148.

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40

Yu-Jung Cha, Ki Hyeon Kim, Jong-Sik Shon, Young Ho Kim, and Jongryoul Kim. "Surface Flaws Detection Using AC Magnetic Field Sensing by a Thin Film Inductive Microsensor." IEEE Transactions on Magnetics 44, no. 11 (November 2008): 4022–25. http://dx.doi.org/10.1109/tmag.2008.2002774.

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41

Ding, Xing, Xiangdong Chen, Wenzhuo Ma, Xinpeng Chen, and Ning Li. "A Novel PQCR-L Circuit for Inductive Sensing and Its Application in Displacement Detection." IEEE Transactions on Instrumentation and Measurement 65, no. 3 (March 2016): 685–93. http://dx.doi.org/10.1109/tim.2015.2503859.

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42

Lo, Pei-Hsuan, Shih-Hsiung Tseng, Jen-Hao Yeh, and Weileun Fang. "Development of a proximity sensor with vertically monolithic integrated inductive and capacitive sensing units." Journal of Micromechanics and Microengineering 23, no. 3 (January 28, 2013): 035013. http://dx.doi.org/10.1088/0960-1317/23/3/035013.

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43

Xu, Chuanlong, Shimin Wang, Guanhua Tang, Daoye Yang, and Bin Zhou. "Sensing characteristics of electrostatic inductive sensor for flow parameters measurement of pneumatically conveyed particles." Journal of Electrostatics 65, no. 9 (August 2007): 582–92. http://dx.doi.org/10.1016/j.elstat.2007.01.001.

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44

Nowicki, Michał. "A Modified Impedance-Frequency Converter for Inexpensive Inductive and Resistive Sensor Applications." Sensors 19, no. 1 (January 2, 2019): 121. http://dx.doi.org/10.3390/s19010121.

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In this paper an exceptionally simple transducer is presented that is developed for experimental and custom-made sensors with inductive or resistive impedance output. It is based on a venerable 555 Integrated Circuit in a modified astable configuration. Due to single supply 5 V operation, it is directly compatible with most modern microcontroller systems, such as the popular Arduino platform. Various exemplary sensor characteristics are presented, including displacement, force, magnetic field, temperature and light sensing applications. While the transducer is not designed for high accuracy, it allows for fast and inexpensive application of various experimental sensors, such as magnetoelastic or GMI (Giant Magneto Impedance) sensors.

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45

Dobretsov, Sergey, and Daniel Rittschof. "Love at First Taste: Induction of Larval Settlement by Marine Microbes." International Journal of Molecular Sciences 21, no. 3 (January 22, 2020): 731. http://dx.doi.org/10.3390/ijms21030731.

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Marine biofilms are composed of many species of bacteria, unicellular algae, and protozoa. Biofilms can induce, inhibit, or have no effect on settlement of larvae and spores of algae. In this review, we focus on induction of larval settlement by marine bacteria and unicellular eukaryotes and review publications from 2010 to September 2019. This review provides insights from meta-analysis on what is known about the effect of marine biofilms on larval settlement. Of great interest is the impact of different components of marine biofilms, such as bacteria and diatoms, extracellular polymeric substances, quorum sensing signals, unique inductive compounds, exoenzymes, and structural protein degradation products on larval settlement and metamorphosis. Molecular aspects of larval settlement and impact of climate change are reviewed and, finally, potential areas of future investigations are provided.

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Hernández Sebastián, Natiely, Noé Villa Villaseñor, Francisco-Javier Renero-Carrillo, Daniela Díaz Alonso, and Wilfrido Calleja Arriaga. "Design of a Fully Integrated Inductive Coupling System: A Discrete Approach Towards Sensing Ventricular Pressure." Sensors 20, no. 5 (March 10, 2020): 1525. http://dx.doi.org/10.3390/s20051525.

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In this paper, an alternative strategy for the design of a bidirectional inductive power transfer (IPT) module, intended for the continuous monitoring of cardiac pressure, is presented. This new integrated implantable medical device (IMD) was designed including a precise ventricular pressure sensor, where the available implanting room is restricted to a 1.8 × 1.8 cm2 area. This work considers a robust magnetic coupling between an external reading coil and the implantable module: a three-dimensional inductor and a touch mode capacitive pressure sensor (TMCPS) set. In this approach, the coupling modules were modelled as RCL circuits tuned at a 13.56 MHz frequency. The analytical design was validated by means of Comsol Multiphysics, CoventorWare, and ANSYS HFSS software tools. A power transmission efficiency (PTE) of 94% was achieved through a 3.5 cm-thick biological tissue, based on high magnitudes for the inductance (L) and quality factor (Q) components. A specific absorption rate (SAR) of less than 1.6 W/Kg was attained, which suggests that this IPT system can be implemented in a safe way, according to IEEE C95.1 safety guidelines. The set of inductor and capacitor integrated arrays were designed over a very thin polyimide film, where the 3D coil was 18 mm in diameter and approximately 50% reduced in size, considering any conventional counterpart. Finally, this new approach for the IMD was under development using low-cost thin film manufacturing technologies for flexible electronics. Meanwhile, as an alternative test, this novel system was fabricated using a discrete printed circuit board (PCB) approach, where preliminary electromagnetic characterization demonstrates the viability of this bidirectional IPT design.

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Henrikson, Katrina, Ethan Weathersby, Brian Larsen, John Cagle, Jake McLean, and Joan Sanders. "An Inductive Sensing System to Measure In-Socket Residual Limb Displacements for People Using Lower-Limb Prostheses." Sensors 18, no. 11 (November 9, 2018): 3840. http://dx.doi.org/10.3390/s18113840.

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The objective of this research was to assess the performance of an embedded sensing system designed to measure the distance between a prosthetic socket wall and residual limb. Low-profile inductive sensors were laminated into prosthetic sockets and flexible ferromagnetic targets were created from elastomeric liners with embedded iron particles for four participants with transtibial amputation. Using insights from sensor performance testing, a novel calibration procedure was developed to quickly and accurately calibrate the multiple embedded sensors. The sensing system was evaluated through laboratory tests in which participants wore sock combinations with three distinct thicknesses and conducted a series of activities including standing, walking, and sitting. When a thicker sock was worn, the limb typically moved further away from the socket and peak-to-peak displacements decreased. However, sensors did not measure equivalent distances or displacements for a given sock combination, which provided information regarding the fit of the socket and how a sock change intervention influenced socket fit. Monitoring of limb–socket displacements may serve as a valuable tool for researchers and clinicians to quantitatively assess socket fit.

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Khan, Farid Ullah. "Energy Harvesting from the Stray Electromagnetic Field around the Electrical Power Cable for Smart Grid Applications." Scientific World Journal 2016 (2016): 1–20. http://dx.doi.org/10.1155/2016/3934289.

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For wireless sensor node (WSN) applications, this paper presents the harvesting of energy from the stray electromagnetic field around an electrical power line. Inductive and capacitive types of electrodynamic energy harvesters are developed and reported. For the produced energy harvesters, solid core and split-core designs are adopted. The inductive energy harvester comprises a copper wound coil which is produced on a mild steel core. However, the capacitive prototypes comprise parallel, annular discs separated by Teflon spacers. Moreover, for the inductive energy harvesters’ wound coil and core, the parametric analysis is also performed. A Teflon housing is incorporated to protect the energy harvester prototypes from the harsh environmental conditions. Among the inductive energy harvesters, prototype-5 has performed better than the other harvesters and produces a maximum rms voltage of 908 mV at the current level of 155 A in the power line. However, at the same current flow, the capacitive energy harvesters produce a maximum rms voltage of 180 mV. The alternating output of the prototype-5 is rectified, and a super capacitor (1 F, 5.5 V) and rechargeable battery (Nickel-Cadmium, 3.8 V) are charged with it. Moreover, with the utilization of a prototype-5, a self-powered wireless temperature sensing and monitoring system for an electrical transformer is also developed and successfully implemented.

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Komolafe, Wagih, Valavan, Ahmed, Stuikys, and Zaghari. "A Smart Cycling Platform for Textile-Based Sensing and Wireless Power Transfer in Smart Cities." Proceedings 32, no. 1 (December 4, 2019): 7. http://dx.doi.org/10.3390/proceedings2019032007.

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This paper proposes an integrated smart cycling system for assisted cycling, energy harvesting and wireless power transfer systems on a bicycle, an enabling platform for autonomous e-textiles-based sensing. The cyclist is assisted by a switched reluctance motor, which also acts as a switched reluctance generator that harvests a peak power of 7.5 W, at 10% efficiency during cycling to power on body sensors. To demonstrate wearable on-body sensing, a thin flexible CO2 gas sensor filament, which can be woven in fabric, is presented and evaluated. Wearable inductive resonant wireless power transfer (WPT) is achieved using textile embroidered coils on the bicycle’s handle and cycling gloves, achieving more than 80% WPT efficiency from the bicycle to the cyclist’s clothing, useful for powering mobile on-body sensors.

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Sillanpää, Teemu, Alexander Smirnov, Pekko Jaatinen, Jouni Vuojolainen, Niko Nevaranta, Rafal Jastrzebski, and Olli Pyrhönen. "Three-Axis Inductive Displacement Sensor Using Phase-Sensitive Digital Signal Processing for Industrial Magnetic Bearing Applications." Actuators 10, no. 6 (May 31, 2021): 115. http://dx.doi.org/10.3390/act10060115.

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Non-contact rotor position sensors are an essential part of control systems in magnetically suspended high-speed drives. In typical active magnetic bearing (AMB) levitated high-speed machine applications, the displacement of the rotor in the mechanical air gap is measured with commercially available eddy current-based displacement sensors. The aim of this paper is to propose a robust and compact three-dimensional position sensor that can measure the rotor displacement of an AMB system in both the radial and axial directions. The paper presents a sensor design utilizing only a single unified sensor stator and a single shared rotor mounted target piece surface to achieve the measurement of all three measurement axes. The sensor uses an inductive measuring principle to sense the air gap between the sensor stator and rotor piece, which makes it robust to surface variations of the sensing target. Combined with the sensor design, a state of the art fully digital signal processing chain utilizing synchronous in-phase and quadrature demodulation is presented. The feasibility of the proposed sensor design is verified in a closed-loop control application utilizing a 350-kW, 15,000-r/min high-speed industrial induction machine with magnetic bearing suspension. The inductive sensor provides an alternative solution to commercial eddy current displacement sensors. It meets the application requirements and has a robust construction utilizing conventional electrical steel lamination stacks and copper winding.

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