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Journal articles on the topic 'Contactless method'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Rinkunas, R., and S. Kuskevicius. "Contactless method of resistance measurement." Technical Physics 54, no. 1 (2009): 133–37. http://dx.doi.org/10.1134/s1063784209010204.

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Ricca, A., and S. Zannella. "Contactless method for magnetoresistivity measurements." IEEE Transactions on Magnetics 23, no. 2 (1987): 1422–24. http://dx.doi.org/10.1109/tmag.1987.1065114.

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Nowak, Marian, Marcin Jesionek, Barbara Solecka, Piotr Szperlich, Piotr Duka, and Anna Starczewska. "Contactless photomagnetoelectric investigations of 2D semiconductors." Beilstein Journal of Nanotechnology 9 (October 25, 2018): 2741–49. http://dx.doi.org/10.3762/bjnano.9.256.

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Background: Applications of two-dimensional (2D) materials in electronic devices require the development of appropriate measuring methods for determining their typical semiconductor parameters, i.e., mobility and carrier lifetime. Among these methods, contactless techniques and mobility extraction methods based on field-effect measurements are of great importance. Results: Here we show a contactless method for determining these parameters in 2D semiconductors that is based on the photomagnetoelectric (PME) effect (also known as the photoelectromagnetic effect). We present calculated dependence

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Kaldre, I., A. Bojarevics, T. Beinerts, et al. "Contactless electromagnetic method for aluminium degassing." IOP Conference Series: Materials Science and Engineering 424 (October 13, 2018): 012057. http://dx.doi.org/10.1088/1757-899x/424/1/012057.

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Latukhina, Natalya V., Svetlana P. Kobeleva, G. A. Rogozhina, I. A. Shishkin, and Ivan V. Schemerov. "Contact and contactless porous silicon parameter measurement techniques." Modern Electronic Materials 4, no. (4) (2018): 143–50. https://doi.org/10.3897/j.moem.4.4.39503.

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In this work we have used contact and contactless techniques to measure the electrical resistivity of single crystal silicon wafers with porous layers of variable thickness synthesized on the surface. The porous layers have been synthesized on the surfaces of single crystal wafers with well pronounced microroughness pattern, either textured or grinded. We have used the classic four-probe method with a linear probe arrangement as the contact measurement technique, and the resonance microwave method based on microwave absorption by free carriers as the contactless measurement technique. Electric

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Hu, Qing, Jie Huang, and Yu Ping Qui. "Contactless Power Supply System Design Based on DSP." Applied Mechanics and Materials 278-280 (January 2013): 1039–42. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1039.

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Research on contactless power supply technique based on detachable transformer was developed, realized contactless power delivery to apparatus with no electrical connection or physical contact by the perfect combination of inductive coupling technique and power electronics,which eliminated the risk of electric shock, short circuit,or sparking. Used DSP chip and power technology had designed contactless power supply system. Experiments had showed that the system circuit could achieve contactless power transmission system control requirements. The method in solving the contactless power transmis

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Grigor’ev, A. V., A. V. Zatylkin, and N. K. Yurkov. "Method for Contactless Three-Component Vibration Measurement." Measurement Techniques 59, no. 12 (2017): 1291–96. http://dx.doi.org/10.1007/s11018-017-1131-5.

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Mordasov, M. M., A. P. Savenkov, M. E. Safonova, and V. A. Sychev. "Contactless Method of Measurement of Surface Tension." Measurement Techniques 61, no. 6 (2018): 613–20. http://dx.doi.org/10.1007/s11018-018-1473-7.

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Message, C. A., J. V. Stadelmann, and I. N. Spiridonov. "Method for Contactless Measurement of Gait Parameters." Biomedical Engineering 49, no. 5 (2016): 292–94. http://dx.doi.org/10.1007/s10527-016-9551-0.

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Chumakov, V. V. "A contactless measurement method for precision items." Measurement Techniques 33, no. 10 (1990): 973–74. http://dx.doi.org/10.1007/bf00990508.

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Pathak, Vimal, Ashish Srivastava, and Sumit Gupta. "Methodology for GD&T verification in an innovative benchmark part for contactless scanning systems." FME Transactions 48, no. 4 (2020): 899–907. http://dx.doi.org/10.5937/fme2004899k.

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This paper presents an innovative method to investigate the accuracy and capability of contactless laser scanning systems in terms of geometrical dimensioning and tolerancing (GD&T) control. The current work proposes a standard benchmark part with typical features conforming to different families of GD&T. The benchmark part designed consists of various canonical features widely used in an engineering and industrial applications. Further, the adopted approach includes the methodology for comparison of geometry using a common alignment method for contactless scanning system and a CMM. In

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Yuskina, E. A., V. V. Panchuk, and D. O. Kirsanov. "Evolution of contactless conductometry methods." Zhurnal Analiticheskoi Khimii 79, no. 6 (2024): 544–54. https://doi.org/10.31857/s0044450224060017.

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The development of chemical sensor devices operating in non-contact mode is of primary interest due to the demand from various industries for a fast, simple and inexpensive determination of chemical composition in different media in a non-invasive way. One of the promising directions for the development of analytical devices with such characteristics is the use of high-frequency electrical signals. The paper discusses the evolution of high-frequency contactless conductometry method, likewise other methods and devices operating on similar physical principles (dielectric spectroscopy, microwave

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Trofimov, I. V., A. S. Bashkeev, V. A. Savchenko, and I. O. Konshin. "Integration experience of resistivity method contactless technology and unmanned aerial vehicle measurements in primary gold prospecting in Bodaibo synclinorium." Earth sciences and subsoil use 47, no. 3 (2024): 248–61. http://dx.doi.org/10.21285/2686-9993-2024-47-3-248-261.

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The current situation in the mining and geological industry requires acceleration and reduction of the cost of exploration works. Ground-based contactless methods as well as methods using unmanned aerial vehicles have significant prospects for geophysical exploration optimization in difficult-to-access areas with faltering galvanic grounding. The purpose of the study is to present the results of both the use of contactless electrical exploration (electric field contactless measurement), which is commonly used in engineering surveys, and magnetic exploration performed with the use of unmanned a

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Lakshmi, M. Sri, S. Sai Jayanth, Jayanth ., and Mahendra . "BIO-METRIC IDENTITY BY CONTACTLESS AND CONTACT-BASED MATCHING WITH CONSERVATIVE FINGERPRINT IMAGES." International Journal of Engineering Applied Sciences and Technology 6, no. 10 (2022): 261–67. http://dx.doi.org/10.33564/ijeast.2022.v06i10.034.

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To defend state borders and backup egovernance programs, enormous databases of contactbased fingerprints have been generated. Contactless fingerprints sensors are becoming more popular because they provide a greater cleanliness, security and accuracy. The existing method have capacity to match contactless 2D fingerprints with legacy contact-based fingerprint databases is critical to the adoption and success of such contactless fingerprint technologies. This research looks at the issue and proposes a novel method for reliably matching fingerprint scans. The project consists of a robust thin-pla

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Chowdhury, A. M. Mahmud, and Masudul Haider Imtiaz. "Contactless Fingerprint Recognition Using Deep Learning—A Systematic Review." Journal of Cybersecurity and Privacy 2, no. 3 (2022): 714–30. http://dx.doi.org/10.3390/jcp2030036.

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Contactless fingerprint identification systems have been introduced to address the deficiencies of contact-based fingerprint systems. A number of studies have been reported regarding contactless fingerprint processing, including classical image processing, the machine-learning pipeline, and a number of deep-learning-based algorithms. The deep-learning-based methods were reported to have higher accuracies than their counterparts. This study was thus motivated to present a systematic review of these successes and the reported limitations. Three methods were researched for this review: (i) the fi

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Shahbaznezhad, Mohcen, Amir Dehghanghadikolaei, and Hossein Sojoudi. "Contactless Method for Electrocoalescence of Water in Oil." ACS Omega 6, no. 22 (2021): 14298–308. http://dx.doi.org/10.1021/acsomega.1c01072.

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Bani Amer, M. M., R. Az-Zaqah, A. K. Aldofash, A. Y. Mohammad, and A. M. Dameer. "Contactless method for detection of infant sleep apnoea." Journal of Medical Engineering & Technology 34, no. 5-6 (2010): 324–28. http://dx.doi.org/10.3109/03091902.2010.481034.

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Dehghanghadikolaei, Amir, Mohcen Shahbaznezhad, Bilal Abdul Halim, and Hossein Sojoudi. "Contactless Method of Emulsion Formation Using Corona Discharge." ACS Omega 7, no. 8 (2022): 7045–56. http://dx.doi.org/10.1021/acsomega.1c06765.

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Liu, Jidong, Jiqin Wu, Runan Liang, Junying Cheng, and Weirong Chen. "Study on contactless measurement method of dropper load." Advances in Mechanical Engineering 14, no. 3 (2022): 168781322210891. http://dx.doi.org/10.1177/16878132221089168.

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The fatigue fracture of dropper will threaten the safe operation of high-speed railway. The accurate measurement of dropper load plays an important role in dropper fatigue test and service life prediction. In this work, according to the structural characteristics of catenary suspension and based on string vibration theory, a contactless method for measuring dropper load is proposed. In this method, the edge recognition technology is used to obtain the vibration displacement time history data of the dropper clamp position on the messenger wire, the random vibration is transformed into the linea

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Harťanský, René, Martin Mierka, Mikuláš Bittera, et al. "Novel Method of Contactless Sensing of Mechanical Quantities." Measurement Science Review 20, no. 3 (2020): 150–56. http://dx.doi.org/10.2478/msr-2020-0018.

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AbstractThis article addresses the method of sensing mechanical quantities, in particular force and pressure, without the electrical connection of the sensing element and the electronics. The information about the mechanical quantity is transmitted only by evaluating the changes in the electromagnetic field created around the sensor. The sensor is designed on the basis of a flexible micro-electro-mechanical element (MEMS), the resonance of which carries the information about the measured quantity.

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Yoshiki, Hitoshi, Kotaro Tadano, Daisuke Ban, Katsuhiro Oouchi, Minoru Tanabe, and Kenji Kawashima. "Contactless Coagulation and Cauterization Method using Steam Jet." Journal of Japan Society of Computer Aided Surgery 18, no. 1 (2016): 39–47. http://dx.doi.org/10.5759/jscas.18.39.

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Zashchepkina, N. M., V. G. Zdorenko, M. O. Markin, S. V. Barilko, and D. O. Shipko. "Contactless ultrasonic method for determining knitted fabrics tension." Journal of Achievements in Materials and Manufacturing Engineering 112, no. 1 (2022): 13–24. http://dx.doi.org/10.5604/01.3001.0016.0286.

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The values of the measured amplitudes of ultrasonic vibrations that have passed the controlled material have been obtained. These values were compared with the amplitude of the waves passing through the fabric sample when the initial tension was applied to it. After that, the total current value of the tension of each sample of the knitted fabric in its three zones was determined. The distribution of the total tension in different zones of the sample material was also determined. It has been established that the amplitude of ultrasonic waves passing through different zones of the textile mater

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Chen, Kun-Long, Yi Guo, Juncheng Wang, and Xiangguo Yang. "Contactless Islanding Detection Method Using Electric Field Sensors." IEEE Transactions on Instrumentation and Measurement 70 (2021): 1–13. http://dx.doi.org/10.1109/tim.2020.3043096.

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Zhukova, Valentina, Paula Corte-León, Alexandra Allue, Koldo Gondra, and Arcady Zhukov. "New Contactless Method for Non-Destructive Composites Monitoring." International Journal of Chemical Engineering and Materials 4 (March 31, 2025): 8–11. https://doi.org/10.37394/232031.2025.4.2.

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We report on in-situ studies of the transmission parameter during the polymerization of the polymer containing magnetic microwire inclusions obtained using free space microwave spectroscopy. A substantial change in the transmission parameter in the range of 4-7 GHz is observed during the matrix polymerization. The observed dependencies are discussed considering the heating and matrix shrinkage during the polymerization process of the thermoset matrix on magnetic properties of glass-coated microwires. The observed experimental data can be used in numerous applications as a new method of non-des

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Priesnitz, Jannis, Rolf Huesmann, Christian Rathgeb, Nicolas Buchmann, and Christoph Busch. "Mobile Contactless Fingerprint Recognition: Implementation, Performance and Usability Aspects." Sensors 22, no. 3 (2022): 792. http://dx.doi.org/10.3390/s22030792.

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This work presents an automated contactless fingerprint recognition system for smartphones. We provide a comprehensive description of the entire recognition pipeline and discuss important requirements for a fully automated capturing system. In addition, our implementation is made publicly available for research purposes. During a database acquisition, a total number of 1360 contactless and contact-based samples of 29 subjects are captured in two different environmental situations. Experiments on the acquired database show a comparable performance of our contactless scheme and the contact-based

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Ni, Aoxin, Arian Azarang, and Nasser Kehtarnavaz. "A Review of Deep Learning-Based Contactless Heart Rate Measurement Methods." Sensors 21, no. 11 (2021): 3719. http://dx.doi.org/10.3390/s21113719.

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The interest in contactless or remote heart rate measurement has been steadily growing in healthcare and sports applications. Contactless methods involve the utilization of a video camera and image processing algorithms. Recently, deep learning methods have been used to improve the performance of conventional contactless methods for heart rate measurement. After providing a review of the related literature, a comparison of the deep learning methods whose codes are publicly available is conducted in this paper. The public domain UBFC dataset is used to compare the performance of these deep lear

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Sun, Hongdi, Renze Chen, Ke Zhou, and Xiaoming Wang. "Low power optimization method for contactless micro intelligent voltage sensor communication network." Journal of Physics: Conference Series 2215, no. 1 (2022): 012028. http://dx.doi.org/10.1088/1742-6596/2215/1/012028.

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Abstract Aiming at the problems of high power consumption and low success rate in contactless micro voltage sensor communication network, a low power consumption optimization method of contactless micro voltage sensor communication network is proposed. By calculating the average power consumption of micro voltage sensor nodes in the communication network area, the energy balance degree of micro voltage sensor nodes is obtained. When the micro voltage sensor nodes meet the sleep probability of communication network area coverage factor, the power consumption of voltage sensor communication netw

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Muthusamy, K., P. Rajesh, and B. Gokulavasan. "An Enhanced Method of Contactless Charging of Railway Signaling Torch Light." International Journal of Communications 15 (September 23, 2021): 21–25. http://dx.doi.org/10.46300/9107.2021.15.5.

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Wireless charging, also known as contactless charging (for shorter range), is a method of supplying energy to electrical devices by sending electricity via an air gap. Wireless charging methods have advanced recently, and commercial solutions have been developed, providing a potential option to overcome the energy bottleneck of typically portable battery-powered gadgets. Due to its simplicity and improved user experience, this technology is attracting a wide range of applications, from low-power gadgets to high-power electric cars. However, including wireless charging into the systems raises a

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Zelder, T., B. Geck, I. Rolfes, and H. Eul. "Usage of the contactless vector network analysis with varying transmission line geometries." Advances in Radio Science 6 (May 26, 2008): 19–25. http://dx.doi.org/10.5194/ars-6-19-2008.

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Abstract. The scattering parameters of embedded devices can be measured by means of contactless vector network analysis. To achieve accurate measurement results, the contactless measurement setup has to be calibrated. However, if the substrate material or the planar transmission lines on the substrate changes, a new calibration is necessary. In this paper a method will be examined, which reduces the number of calibration cycles by using a database. Analytical results show that by using this database method, errors occur which depend on the coupling coefficients and on the load impedances of th

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Palais, Olivier, and P. Hidalgo. "Investigation and Identification of Transition Metals in p-Type Boron-Doped Silicon by Non-Invasive Techniques." Defect and Diffusion Forum 230-232 (November 2004): 125–34. http://dx.doi.org/10.4028/www.scientific.net/ddf.230-232.125.

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This paper describes the “pairing - dissociation” behaviour of metal-acceptor pairs and proposes a method to measure metal concentrations in p-type boron doped silicon based on a contactless measurement technique. The first part of this paper sums up the previous non destructive electrical characterization methods that have led to the evaluation of iron concentrations in p-type boron- doped silicon by the inspired contactless techniques. It is demonstrated that the lifetime measurement method proposed allows the detection of contaminants at concentrations as low as 109at.cm-3. In the second pa

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Guo, Yanlong, Xuan Li, Denghang Chen, and Han Zhang. "Evaluation Study on the Use of Non-Contact Prevention and Protection Products in the Context of COVID-19: A Comprehensive Evaluation Method from AHP and Entropy Weight Method." International Journal of Environmental Research and Public Health 19, no. 24 (2022): 16857. http://dx.doi.org/10.3390/ijerph192416857.

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In the post-epidemic era, there is an endless supply of epidemic prevention products that cover a wide range of public areas. The introduction of such products has eased the tense pattern of virus proliferation in the context of the epidemic, and effectively demonstrated the initiatives implemented by the Chinese people in response to the outbreak. This paper therefore begins with the study of contactless epidemic prevention products, which appear in a form that meets the needs of contemporary society and offers a new mode of living to it. It enriches the measures for epidemic prevention and c

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Sari, Jayanti Yusmah, and Suharsono Bantun. "Contactless Biometric Based on Palm Vein Recognition Using Wavelet and Local Line Binary Patterns." Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 7, no. 6 (2023): 1300–1308. http://dx.doi.org/10.29207/resti.v7i6.4530.

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To support the roadmap for coexistence with Covid-19, contactless biometrics is needed as an individual identity verification technology in daily activities such as control systems, recording attendance at offices/schools/agencies and access rights to a room. An example of contactless biometrics is palm vein based biometrics. Because it is contactless, this biometric system does not require direct contact between the user and the sensor device, thus providing several advantages in terms of comfort during acquisition and is more hygienic. In the palm vein recognition system, the palm vein patte

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Skorupka, Zbigniew. "Thermographic Camera Use in Brake Oriented Friction Materials Tests / Użycie Kamery Termowizyjnej w Badaniach Hamulcowych Materiałów Ciernych." Journal of KONBiN 33, no. 1 (2015): 81–90. http://dx.doi.org/10.1515/jok-2015-0006.

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Abstract Friction brake temperature due to its influence on brakes’ operation is subject to many test and studies. Measurements methods of this important brake parameter are being continuously developed. In order to withstand difficulty in temperature evaluation in full brake system as well as in isolated friction pair is use of contactless measurement methods. Currently, the most widespread contactless testing method of the thermal effects is to measure infrared emission by pyrometers or thermographic (infrared) cameras. Thermal imaging method wasn’t used so far during aviation brake material

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N.F., Fairuz Calista, Zuniar Risanti Pratiwi, Tasqia Angelina Purnama, and Novika Grasiaswaty. "Kepuasan Pelanggan pada Produk Inovasi Pandemi COVID-19: Studi Kasus pada Contactless Delivery KFC Indonesia." Inovator 9, no. 2 (2020): 118. http://dx.doi.org/10.32832/inovator.v9i2.3508.

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Penelitian ini mengenai evaluasi kepuasan pelanggan terhadap produk inovasi selama pandemi Covid-19 yaitu contactless delivery yang dilakukan oleh KFC Indonesia. Penelitian menggunakan mix-method dengan pendekatan kuantitatif dan kualitatif. Pengambilan data menggunakan tiga buah sudut pandang: kuesioner terhadap konsumen yang pernah menggunakan produk ini, wawancara mendalam terhadap pelanggan serta evaluasi terhadap iklan digital terkait produk. Kuesioner diberikan kepada 20 pelanggan, wawancara terhadap 3 pelanggan serta analisis terhadap 93 komentar pada iklan digital mengenai contactless

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Ritamäki, M., A. Ruhanen, V. Kukko, J. Miettinen, and L. H. Turner. "Contactless radiation pattern measurement method for UHF RFID transponders." Electronics Letters 41, no. 13 (2005): 723. http://dx.doi.org/10.1049/el:20051029.

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Nikonov, V., I. Ivanova, T. Morozova, and A. Nikolaev. "FUZZY GESTURES RECOGNITION METHOD IN DEVELOPMENT OF CONTACTLESS INTERFACES." International Journal of Advanced Studies 4, no. 1 (2014): 27–31. http://dx.doi.org/10.12731/2227-930x-2014-1-5.

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Davydov, V. V., N. S. Myazin, S. E. Logunov, and V. B. Fadeenko. "A Contactless Method for Testing Inner Walls of Pipelines." Russian Journal of Nondestructive Testing 54, no. 3 (2018): 213–21. http://dx.doi.org/10.1134/s1061830918030051.

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Khramova, Yulia, Sergey Sergeev, Inna Ilina, et al. "PP-42 THE NEW CONTACTLESS METHOD FOR TROPHECTODERM BIOPSY." Reproductive BioMedicine Online 24 (April 2012): S21. http://dx.doi.org/10.1016/s1472-6483(12)60173-4.

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Kuznetsov, Eduard, Volodymyr Nahornyi, and Tibor Krenický. "Gas Flow Simulation in the Working Gap of Impulse Gas-Barrier Face Seal." Management Systems in Production Engineering 28, no. 4 (2020): 298–303. http://dx.doi.org/10.2478/mspe-2020-0042.

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AbstractNumerical simulation method of the working process of a centrifugal unit contactless face impulse seal is proposed. A seal functioning physical model was created. Its operation key aspects that are not taken into account in the traditional methods of calculating contactless impulse seals are identified. A numerical simulation of seal working process based on the Reynolds equation solution for the medium vortex-free motion in the gap between moving surfaces is proposed. Hypothesis that simplify the equation’s numerical solution for the face impulse seal is formulated. The numerical solu

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Rasyid, Ravika Imania, Ernani Hidayati, and Umi Muawanah. "The Factor Analysis of Contactless Services and Its Impact Towards Employee Performance of BPJS Ketenagakerjaan Gresik Branch Office during the Covid 19 Pandemic with Work Family Conflict Mediation." International Journal of Contemporary Sciences (IJCS) 1, no. 11 (2024): 698–717. http://dx.doi.org/10.55927/ijcs.v1i11.11563.

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The contactless service implemented by BPJS Ketenagakerjaan during the Covid-19 pandemic changed the way of work, from working at office to working remotely or work from home. Work from home also possible to cause work family conflict. Based on research of BPJS Ketenagakerjaan Gresik the researcher focuses on the influence of contactless service factors on the performance of BPJS Ketenagakerjaan Gresik employees. This research aims to determine the influence of contactless service factors on the performance of BPJS Ketenagakerjaan Gresik employees during the Covid-19 Pandemic with work family

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Currle, Ulrike. "Determination of the Stability of Low Viscous Particle Inks." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2012, CICMT (2012): 000035–46. http://dx.doi.org/10.4071/cicmt-2012-ta21.

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Inkjet printing is a flexible contactless deposition method for a variety of materials and applications in microelectronics. For a reliable printing process the stability of the ink is essential and verification of the stability of a suspension remains a demanding task. After presenting some fundamentals of ink preparation, several methods of determining the stability of inks considering different particles are discussed. In a stable suspension no sedimentation occurs i.e. the solid content remains constant over a long period. The simplest way of evaluating the stability is supposed to be visu

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Zholubak, Ivan, and P. Kurman. "Contactless payment system based on NFC technology." Computer systems and network 4, no. 1 (2022): 28–36. http://dx.doi.org/10.23939/csn2022.01.028.

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The article investigates the system for contactless payments using NFC technology. The practice of acquiring as a method of trade that increases the attractiveness of the business for the client and simplifies the process of trade for owners and employees. The relevance of such a system in Ukraine and prospects for its development are determined. The availability of such systems on the market, combinations of systems that allow to obtain the same attractiveness for business and customers are analyzed. Although such systems attract customers to the business, the number of services that can prov

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Varma, Muralidhar, Trevor Sequeira, Navaneetha Krishnan S. Naidu, et al. "Contactless monitoring of respiratory rate (RR) and heart rate (HR) in non-acuity settings: a clinical validity study." BMJ Open 12, no. 12 (2022): e065790. http://dx.doi.org/10.1136/bmjopen-2022-065790.

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ObjectivePatient monitoring in general wards primarily involves intermittent observation of temperature, heart rate (HR), respiratory rate (RR) and blood pressure performed by the nursing staff. Several hours can lapse between such measurements, and the patient may go unobserved. Despite the growing widespread use of sensors to monitor vital signs and physical activities of healthy individuals, most acutely ill hospitalised patients remain unmonitored, leaving them at an increased risk. We investigated whether a contactless monitoring system could measure vital parameters, such as HR and RR, i

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Kataev, Y. V., V. S. Gerasimov, I. A. Tishaninov, and E. A. Gradov. "DIAGNOSTICS OF INTERNAL COMBUSTION ENGINES, STATE AND PROSPECTS IN THE ENGINEERING SERVICE OF THE AGRO-INDUSTRIAL COMPLEX." Tekhnicheskiy servis mashin, no. 2 (August 11, 2023): 25–31. http://dx.doi.org/10.22314/2618-8287-2023-61-2-25-31.

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The paper presents the trends in the development of technical diagnostics in the engineering service of the agro-industrial complex, the most promising areas of its development. (Research purpose) The research purpose is analyzing the state of modern technical diagnostics in the engineering service of the agro-industrial complex, considering the development of new methods and technical diagnostic tools based on computer and information technologies. (Materials and methods) Modern information technologies, automated control and management systems were used during the research. The expansion of

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Shen, H., Ping Fa Feng, J. F. Zhang, D. W. Yu, and Z. J. Wu. "An Improved Design Method of High Efficiency Contactless Power Transmission in Ultrasonic Vibration System." Key Engineering Materials 693 (May 2016): 17–24. http://dx.doi.org/10.4028/www.scientific.net/kem.693.17.

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To improve the efficiency of contactless power transmission (CPT) and the operation stability of ultrasonic vibration system, an improved design method for key parts of the contactless power transmission system was proposed and studied. By integrating both inductor model and mutual inductance model, as well as considering the fringing flux effect introduced by the air gap, this design method would be more accurate and reasonable. Considering constraint conditions, such as the operating flux density of the core, mutual inductance between primary and secondary coils, electrical signals loaded on

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Zhuldybina, Mariia, Xavier Ropagnol, Charles Trudeau, Martin Bolduc, Ricardo Zednik, and François Blanchard. "Contactless In Situ Electrical Characterization Method of Printed Electronic Devices with Terahertz Spectroscopy." Sensors 19, no. 3 (2019): 444. http://dx.doi.org/10.3390/s19030444.

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Printed electronic devices are attracting significant interest due to their versatility and low cost; however, quality control during manufacturing is a significant challenge, preventing the widespread adoption of this promising technology. We show that terahertz (THz) radiation can be used for the in situ inspection of printed electronic devices, as confirmed through a comparison with conventional electrical conductivity methods. Our in situ method consists of printing a simple test pattern exhibiting a distinct signature in the THz range that enables the precise characterization of the stati

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Rashid, Tahira, Maj. Gen. (R) Liaquat Ali HI(M), Noor Fatima, Tayyaba Naz, and Zarmina Iftikhar. "Patient’s Mask-On Contactless Airway Assessment Predicting Intubation Difficulty During COVID-19 Pandemic." Annals of PIMS-Shaheed Zulfiqar Ali Bhutto Medical University 20, no. 4 (2024): 866–70. https://doi.org/10.48036/apims.v20i4.1146.

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Objective: The aim of this study was to determine the accuracy of a contactless airway assessment method to predict intubation difficulty in a patient without any physical contact. Methodology: This cross-sectional study was conducted at the department of anesthesiology, Fauji Foundation Hospital, Rawalpindi from 1st February 2023 to 31st July 2023. A total of 206 patients between 18-60 years of age and scheduled for elective surgery requiring general anesthesia and intubation were included in this study. The attending physician found the sternomental distance by asking the patient to place th

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Kristanti, Evelyn, and Rustono Farady Marta. "PERSUASIVE AND EDUCATIVE ADVERTISING CONTENT OF QUICK RESPONSE CODE INDONESIAN STANDARD IN PANDEMIC ERA." Jurnal Ilmu Sosial dan Humaniora 10, no. 2 (2021): 301. http://dx.doi.org/10.23887/jish-undiksha.v10i2.34474.

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The digital payment system had increased rapidly, especially when Corona Virus Disease (COVID-19) entered Indonesia. Increasing technological advances have shifted people's preference towards cashless transaction activities. These days, money is known to have spread viruses such as COVID-19. In order to support the National Economic Recovery program, Bank Indonesia (BI) developed Contactless QRIS, which allows users to make contactless payments with merchants during the COVID-19 pandemic. BI positions its products in the eyes of consumers by using the internet and YouTube social media as a pla

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Abduraimov, E. Kh, D. Kh Khalmanov, B. A. Nurmatov, M. B. Peysenov, and N. J. Toirova. "Analysis of dynamic circuits of contactless switching devices." Journal of Physics: Conference Series 2094, no. 2 (2021): 022072. http://dx.doi.org/10.1088/1742-6596/2094/2/022072.

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Abstract The main content of the study is the analysis of theoretical and virtual-experimental studies and methods of analysis of transients in semiconductor nonlinear dynamic circuits of contactless switching devices, presents transient graphs constructed using a virtual computer model. In addition, presents solutions of differential equations of the state of such circuits by the numerical Euler method.

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Stastnik, Stanislav, Jaroslav Novacek, and Adam Hubacek. "Plastic Shrinkage of Concrete – Measurement and Method for its Reducing." Key Engineering Materials 677 (January 2016): 175–80. http://dx.doi.org/10.4028/www.scientific.net/kem.677.175.

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The paper touches on the issue of plastic shrinkage of concrete and cement mortars. In this connection, the volume changes were monitored batch of studied depending on the intensity of surface evaporation. Volume changes were measured on a prototype contactless gauge. The article outlines the possibility of suppressing plastic shrinkage by adding a polymer fibre reinforcement possibly coated fibres.

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