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Thematische Bibliographien / Measurement of electromagnetic interference / Zeitschriftenartikel

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Zeitschriftenartikel zum Thema „Measurement of electromagnetic interference“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 5. Februar 2022

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1

Braun, S., A. Frech, and P. Russer. "Measurement of electromagnetic interference in time-domain." Advances in Radio Science 6 (May 26, 2008): 311–13. http://dx.doi.org/10.5194/ars-6-311-2008.

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Abstract. Time-domain EMI measurement systems allow measurement time to be reduced by several orders of magnitude. In this paper a novel real-time operating time-domain EMI measurement system is presented. By the use of several analog-to-digital converters the dynamic range requested by the international EMC standards is achieved. A real-time operating digital signal processing unit is presented. The frequency band that is investigated is subdivided into several sub-bands. A novel implementation of the 9 kHz IF filter for the frequency 150 kHz to 1 GHz is presented. By this way the measurement

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Ge, Liang, Junxian Chen, Guiyun Tian, Wen Zeng, Qi Huang, and Ze Hu. "Study on a New Electromagnetic Flow Measurement Technology Based on Differential Correlation Detection." Sensors 20, no. 9 (2020): 2489. http://dx.doi.org/10.3390/s20092489.

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Under the conditions of low flow rate and strong noise, the current electromagnetic flowmeter (EMF) cannot satisfy the requirement for measurement or separate the actual flow signal and interference signal accurately. Correlation detection technology can reduce the bandwidth and suppress noise effectively using the periodic transmission of signal and noise randomness. As for the problem that the current anti-interference technology cannot suppress noise effectively, the noise and interference of the electromagnetic flowmeter were analyzed in this paper, and a design of the electromagnetic flow

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3

Ganesan, R., and K. R. Kini. "Electromagnetic Interference/Compatibility (EMI/EMC) Measurement." IETE Technical Review 20, no. 5 (2003): 415–24. http://dx.doi.org/10.1080/02564602.2003.11417100.

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4

Chiyo, Noritaka, Yuji Komine, Yasuhiro Tanaka, Atsuhiro Nishikata, Takuichi Hirano, and Takashi Maeno. "Visualization of Electromagnetic Field Distributions for Electromagnetic Interference Measurement." IEEJ Transactions on Fundamentals and Materials 132, no. 5 (2012): 379–80. http://dx.doi.org/10.1541/ieejfms.132.379.

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5

Eugene Rhee, and Changjae Kim. "Feature Analysis of Electromagnetic Interference Measurement Facilities." International Journal of Digital Content Technology and its Applications 7, no. 10 (2013): 155–62. http://dx.doi.org/10.4156/jdcta.vol7.issue10.16.

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6

Krug, F., and P. Russer. "The time-domain electromagnetic interference measurement system." IEEE Transactions on Electromagnetic Compatibility 45, no. 2 (2003): 330–38. http://dx.doi.org/10.1109/temc.2003.811303.

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7

Mathur, Phalguni, and Sujith Raman. "Electromagnetic Interference (EMI): Measurement and Reduction Techniques." Journal of Electronic Materials 49, no. 5 (2020): 2975–98. http://dx.doi.org/10.1007/s11664-020-07979-1.

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8

Gu, Jin Liang, Hong E. Luo, Jian Xin Li, Yan Xia, and Bao Ming Li. "Applications of Bragg Grating in Strain Measurement of Electromagnetic Railgun." Advanced Materials Research 317-319 (August 2011): 1007–11. http://dx.doi.org/10.4028/www.scientific.net/amr.317-319.1007.

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A kind of strain measurement system of electromagnetic railguns based on Bragg Grating technology was introduced in this paper. The Bragg grating strain measurement system of electromagnetic railguns was designed. The data processing and the calibration of the measurement system were discussed. The experiments of strain measurement in electromagnetic launch were accomplished. The results show that the Bragg grating strain measurement system can work reliably in strong electromagnetic interference, which satisfied the special demand of anti- electromagnetic interference for the strain measureme

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Wetoszka, Patryk. "Analysis of the elimination of electromagnetic interference in railways security systems." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19, no. 12 (2018): 697–700. http://dx.doi.org/10.24136/atest.2018.481.

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The article presents the study of conducted disturbance emission, which was subjected to the alarm control panel on the (+, -) 24V DC power supply ports and the method of elimination of electromagnetic interferences. The measurements were carried out in an accredited testing laboratory on a measurement stand with a standardized configuration of equipment in accordance with the applicable standards in the field of electromagnetic compatibility. During the measurements, exceedances of the limit value at the power terminals were observed. Appropriate steps have been taken to reduce the interferen

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Ge, Liang, Yang He, Guiyun Tian, et al. "Measurement of Annular Flow for Drilling Engineering by Electromagnetic Flowmeter Based on Double-Frequency Excitation." Journal of Sensors 2019 (November 18, 2019): 1–14. http://dx.doi.org/10.1155/2019/4090632.

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Using downhole annular electromagnetic flow measurement to obtain annular flow in real-time is a foundation of microflow control drilling technology. The existing annular flow electromagnetic measurement method based on low-frequency rectangular excitation is affected by slurry interference and formation fluid invasion, which results in large noise generated on the electrode output signal. These noise causes the instability of the flow measurement system output and lower accuracy. Double-frequency rectangular wave excitation has the advantages of excellent zero-point stability attributed to lo

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Gu, Jin Liang, Hong E. Luo, Ke Jie Qiang, and Bao Ming Li. "Application of Differential Interference in Electromagnetic Rail Gun Strain Measurement." Applied Mechanics and Materials 241-244 (December 2012): 863–68. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.863.

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Strain measurement in electromagnetic rail launching processes is of significant importance to studies on rail life, wrap material selection, and initial armature disturbance. Based on a discussion about the principle of fiber-optic differential strain measurement, the constitution of a rail strain measurement device based on fiber-optic differential interference was introduced, and its data processing method and system calibration method were discussed. With this measurement method, electromagnetic rail strain measurement was completed, and experimental results indicate that the differential

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12

Ma, M. T., M. Kanda, M. L. Crawford, and E. B. Larsen. "A review of electromagnetic compatibility/interference measurement methodologies." Proceedings of the IEEE 73, no. 3 (1985): 388–411. http://dx.doi.org/10.1109/proc.1985.13164.

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13

Gao, Qiang, Jing Jing Du, and Quan Yang Li. "Research on Anti-Interference of Measurement-Control Device in Substation Automation System." Advanced Materials Research 853 (December 2013): 302–5. http://dx.doi.org/10.4028/www.scientific.net/amr.853.302.

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With the wide adoption of relay protection, power grid control and communication equipments in power system based on micro-circuit and micro-processor, the electromagnetic compatibility (EMC) of measurement-control devices has become an urgent and necessary consideration in substation automation system. In this paper, the electromagnetic environment and electromagnetic interference (EMI) problem in substation is presented, and several typical anti-interference methods regarding measurement-control devices are explored based on the analysis of unique characteristics and work environment of this

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Vaccarono, Mattia, Chandra V. Chandrasekar, Renzo Bechini, and Roberto Cremonini. "Survey on Electromagnetic Interference in Weather Radars in Northwestern Italy." Environments 6, no. 12 (2019): 126. http://dx.doi.org/10.3390/environments6120126.

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Radio Frequency Interference (RFI) is one of the main issues in weather radar community. Data quality and post-processing algorithm, such as quantitative precipitation estimation and hydrometeor classification, are often affected by interferences. C-band radars share their operational frequency band with Radio Local Area Network (RLAN) and Wireless Area Network (WLAN), which may cause harmful interferences in radar systems. Nowadays, in northwestern Italy, the X-band weather radar managed by Arpa Piemonte is also receiving interfering signals. This work aims to introduce the RFIs phenomena aff

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Zou, Liang, Xiu Qun Zhang, Xin Hua Zhao, Chun Tian, and Hui Duan. "Influence of Corona Discharge on SAW Temperature Measurement System." Advanced Materials Research 1070-1072 (December 2014): 1167–70. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.1167.

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In order to study the electromagnetic interference on SAW (surface acoustic wave) wireless temperature measurement system of the corona discharge, the paper analyzes the characteristics of the frequency spectrum of corona discharge, models the corona discharge and studies its radiation characteristics by simulation on Matlab. Based on this, the experimental platforms of corona discharge is set up. The result of the experiment confirms that corona discharge causes electromagnetic interference to the system and the influence decreases as the distance between the sensor and discharge sources incr

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Hong, Jun, and Ping Xu. "Electromagnetic Interference Shielding Anisotropy of Unidirectional CFRP Composites." Materials 14, no. 8 (2021): 1907. http://dx.doi.org/10.3390/ma14081907.

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Carbon fiber-reinforced polymer (CFRP) composites have excellent mechanical properties and electromagnetic interference (EMI) shielding performance. Recently, their EMI shielding performance has also attracted great attention in many industrial fields to resolve electromagnetic pollution. The present paper mainly investigated the EMI shielding anisotropy of CFRP materials using a specified set-up of free-space measurement. The electrical conductivity of unidirectional CFRP composites was identified to vary with the fiber orientation angles, and the formula was proposed to predict the results c

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Kang, Shuai, and Guang Yi Luo. "Study of Optical Coherence Theory in Measurement." Applied Mechanics and Materials 568-570 (June 2014): 71–75. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.71.

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Light is a transverse electromagnetic wave, which has the volatility and particles. When light waves are added up in the spatial uniform medium, different conditions will produce interference effects in the meeting area. Optical path difference affects the distribution of the interference pattern directly, and the light interference pattern gives information of phase and amplitude in turn. Due to the measurement precision and extremely high sensitivity of response, the principle of optical coherence has been studied based on measuring the related physical quantity indirectly.

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Buzdugan, M. "A Brief Introduction in the Mitigation of Conducted Electromagnetic Interference lssues." Renewable Energy and Power Quality Journal 19 (September 2021): 373–78. http://dx.doi.org/10.24084/repqj19.297.

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This paper deals with the mitigation of the influence of electromagnetic conducted emissions in low voltage grids, which can be performed using different filtering methods. Due to the relatively young age of the electromagnetic compatibility domain, the specific terminology is not yet fully consecrated. That is why the specific literature abounds in a bunch of definitions and notions, incomplete, redundant, or worse, even contradictory. Therefore, all over this paper, the terminology from the successive issues of the standard IEC 60050-161 International Electrotechnical Vocabulary, is used. Th

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Itsukaichi, Tatsuru, Koji Igari, Shinobu Ishigami, and Ken Kawamata. "Study on Measurement Method of Electromagnetic Interference from Large Electric Equipment." IEEJ Transactions on Fundamentals and Materials 140, no. 12 (2020): 573–79. http://dx.doi.org/10.1541/ieejfms.140.573.

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20

Li, Fan, Wen Xiao Fang, Liang Lei, Yuan Liu, and Chun Lei Shi. "Characterization of a Magnetic Field Probe for Electromagnetic Interference Current Measurement." Applied Mechanics and Materials 568-570 (June 2014): 30–35. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.30.

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This paper investigates a miniature rectangular triplate-printed antenna, which acts as a magnetic field probe to estimate amplitude of the RF Electromagnetic Interference current by non-contact measurement. To characterize the probe, a current transfer factor defined as the ratio of the probed voltage over the current is investigated by measuring the frequency-dependent S-parameter. Moving and rotating the probe will change the current transfer factor, and then significantly affect the estimation of the RF current under detection. To specify the application of the probe, the spatial dependenc

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Vogt, Alexander, Heinz-D. Bruns, Qi Wu, Frank Gronwald, and Christian Schuster. "A Measurement Setup for Quantification of Electromagnetic Interference in Metallic Casings." IEEE Transactions on Electromagnetic Compatibility 57, no. 6 (2015): 1354–64. http://dx.doi.org/10.1109/temc.2015.2452295.

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22

Lin, Chun Ting, Jing Min Wang, and Shieh Shing Lin. "Application of USB High-Speed Signal Lines in the Analysis of Electromagnetic Interference." Advanced Materials Research 268-270 (July 2011): 919–23. http://dx.doi.org/10.4028/www.scientific.net/amr.268-270.919.

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In this paper, authors focus on the influence during the using of USB2.0 Interface board in reading and/or writing radiation arisen from the electromagnetic interference and provide some suggestions. This work employs two typical common using device, WIREWOUND filter and multilayer filter under the environment of the resistance of 90 ohm and 180 ohm to execute the analysis of the electromagnetic interference measurement. Numerous simulations have been made and obtain some successful results.

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Wirapraja, Agung Yanuar, Handaru Bowo Cahyono, and Mohamad Marhaendra Ali. "Shielding Elektromagnetik Tembaga dari Proses Elektrolisis Air Limbah Industri Printed Circuit Board." Jurnal Teknologi Bahan dan Barang Teknik 10, no. 1 (2020): 9. http://dx.doi.org/10.37209/jtbbt.v10i1.162.

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Some electronic products have high electromagnetic interference so that it gives a negative impact on the electronic devices around it. The use of electromagnetic shielding is a solution to reduce the value of electromagnetic radiation interference from electronic products. The research conducted includes the manufacture of electromagnetic shielding from copper material resulting from the electrolysis process of PCB (Printed Circuit Board) industrial wastewater and analyzing the effect of electromagnetic shielding from copper waste on the value of radiation emission. Electromagnetic shielding

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Sinha, Pankaj Kumar, and Preetha Sharan. "Electrical Interference Problemson Commercial Fishing Vessels – A Review." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 2 (2018): 271. http://dx.doi.org/10.11591/ijeecs.v9.i2.pp271-274.

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Canadian Coast Guard (CCG) provides Marine Communications centre (MCC) with financial assistance surveyed for Electromagnetic Compatibility and Electromagnetic Interference (EMC/EMI) correlated troubles on industrial based fishing vessels less than twenty metres. The electrical condition should be provided for the vessels and it is the goal of the survey. By performing "electrical noise" measurement method the necessary data was obtained. Several autopilot systems are susceptible to High Frequency Single Side Band (HF SSB) transmitters due to the absence of electrical noise suppression scheme.

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Krug, F., S. Braun, and P. Russer. "A novel quasi-peak-detector for time-domain EMI-measurements." Advances in Radio Science 2 (May 27, 2005): 27–32. http://dx.doi.org/10.5194/ars-2-27-2004.

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Abstract. In this paper, an advanced ultra-fast, broadband time domain EMI measurement system is described. Measurements were performed in the 30–1000MHz range. The digital signal processing of EMI measurements allows to emulate in real-time the modes of conventional analogous equipment, e.g. Peak-, Average-, RMS- and Quasi-Peak- Detector. With the presented time domain measurement system the measurement time can be reduced by a factor of 10. A novel signal recording routine for time-domain EMI (TDEMI) measurements and Quasi-Peak-Detection is described. Measurement results obtained from the in

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Xin, Zhonghua, Xiaodong Zhang, Shuqian Yu, Huijuan Wang, Xiaoqian Jia, and Yuling Ma. "Measurement and Characteristic Analysis of Electromagnetic Disturbance of Coal Mine Fan Converter." International Journal of Antennas and Propagation 2021 (August 4, 2021): 1–9. http://dx.doi.org/10.1155/2021/5509562.

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With the extensive use of converters in high-power ventilator, shearer, road header, conveyor, hoist, and other coal mine equipment, the electromagnetic disturbance problem of the converter is worthy of attention. In this paper, the field measurement and statistical method are used to analyze the radiation interference characteristics of frequency converter. Then, a typical fan converter is taken as an example, and the electromagnetic disturbance of the converter is tested in four key positions and two working frequencies, respectively. Multiple sets of data and spectrum are obtained by using

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Baranowski, Jerzy, Tomasz Drabek, Paweł Piątek, and Andrzej Tutaj. "Diagnosis and Mitigation of Electromagnetic Interference Generated by a Brushless DC Motor Drive of an Electric Torque Tool." Energies 14, no. 8 (2021): 2149. http://dx.doi.org/10.3390/en14082149.

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Electrical devices in the consumer markets need to comply with stringent standards for electromagnetic interference (EMI) distortion and electromagnetic compatibility (EMC). This paper presents the results of measurements of electromagnetic interference generated by an electrical drive of an electric torque tool with a brushless DC motor. The measurements were made in accordance with the PN-EN 55014-1:2017-06E standard, in the frequency band of 148 kHz–30 MHz. The results confirmed that the tested drive can meet the requirements defined in this document. Another document, the PN-EN IEC 61000-3

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Malešević, Nevena, Mileta Žarković, Denis Ilić, and Đorđe Jovanović. "Partial discharges measurement by UHF method." Zbornik radova Elektrotehnicki institut Nikola Tesla 30, no. 30 (2020): 1–9. http://dx.doi.org/10.5937/zeint30-28749.

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The unconventional UHF (Ultra High Frequency) method of measuring partial discharges (PD) is based on measuring electromagnetic waves (EM) in the UHF frequency band (300-3000) MHz, using appropriate antennas. This method is unconventional, but is widely accepted due to the possibility of application in plants in the online mode and quick review (screening) of the plant. Also, this method is characterized by a high degree of measurement sensitivity and relatively good resistance to interference. As the PD pulses are of very short duration, of the order of nanoseconds, they generate an electroma

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Betta, G., D. Capriglione, L. Ferrigno, and G. Miele. "Experimental Investigation of the Electromagnetic Interference of ZigBee Transmitters on Measurement Instruments." IEEE Transactions on Instrumentation and Measurement 57, no. 10 (2008): 2118–27. http://dx.doi.org/10.1109/tim.2008.922105.

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30

FAN, L. J., X. C. PAN, Z. X. HUANG, and X. D. ZU. "THE MECHANISM AND EXPERIMENTAL STUDY ON THE INTERFERENCE OF HIGH VOLTAGE LINES TO NAVIGATION SYSTEM." Latin American Applied Research - An international journal 48, no. 3 (2018): 175–79. http://dx.doi.org/10.52292/j.laar.2018.222.

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This essay conducts the mechanism analysis and experimental study on the interference of high voltage lines to the navigation system of UAV and shows that the essence of the interference is that air becomes corona plasma after the ionization under high voltage. In addition, when GPS signals pass through this area, some frequency channel will be absorbed. Therefore, the propagation of electromagnetic waves is prevented. The UAV tries to get GPS positioning signal by flying through high voltage area in a low height, resulting in the loss of GPS signal received by the navigation system. Through t

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NISKA, STEFAN, HÅKAN SCHUNNESSON, and UDAY KUMAR. "MEASUREMENTS AND ANALYSIS OF ELECTROMAGNETIC INTERFERENCE IN A RAILWAY SIGNAL BOX — A CASE STUDY." International Journal of Reliability, Quality and Safety Engineering 18, no. 03 (2011): 285–303. http://dx.doi.org/10.1142/s0218539311004147.

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In general railway infrastructure operates in a complex and non homogeneous environment where low power electronics has to function in the similar environment as large voltages and currents from the trains. The environment close to the railway tracks is heavily polluted by electromagnetic (EM) noise from the railway systems itself. The reliability of the railway signalling-, communication-, and control system depends on the degree of isolation from EM noise. It is important to observe the real system and its characteristics in real situation. The complexity of the infrastructure is not easy to

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Zhang, Guogang, Wenfan Li, Lu Qi, Jingcun Liu, Zhengxiang Song, and Jianhua Wang. "Design of Wideband GHz Electric Field Sensor Integrated with Optical Fiber Transmission Link for Electromagnetic Pulse Signal Measurement." Sensors 18, no. 9 (2018): 3167. http://dx.doi.org/10.3390/s18093167.

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The detection of high frequency overvoltage and partial discharge is of great significance in evaluating the insulation condition of high-voltage power equipment. A wideband GHz electric field (E-field) sensor for electromagnetic pulse (EMP) signal measurement was proposed in this paper. An optical fiber transmission link was adopted in the design in order to implement high-voltage isolation and reduce electromagnetic interference during transmission. The designed sensor was mainly made up of a differential electric field (D-dot) antenna, transmitter, and receiver. The D-dot antenna was design

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Angrisani, L., and A. Pietrosanto. "A technique for electromagnetic interference measurements on instruments." IEEE Transactions on Instrumentation and Measurement 47, no. 4 (1998): 925–29. http://dx.doi.org/10.1109/19.744644.

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Zhai, Mingda, Wentao Xia, Zhiqiang Long, and Fengshan Dou. "Numerical Computation and Analysis of Electromagnetic Field in Magnetic Suspension and Balance System." Magnetochemistry 7, no. 3 (2021): 33. http://dx.doi.org/10.3390/magnetochemistry7030033.

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The magnetic suspension wind tunnel balance (MSBS) is an entirely new device for aerodynamic measurement, and it makes the best of the electromagnetic force to suspend the aircraft model in the wind tunnel without contact. Compared with conventional wind tunnel balance, it absolutely abandons the model support and airflow interference. Therefore, the aerodynamic measurement environment is more authentic and the aerodynamic measurement results are more accurate. The electromagnetic field in MSBS plays a major role in bearing the force of wind. The numerical computation and finite element numeri

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Neruda, Marek, and Lukas Vojtech. "Electromagnetic Shielding Effectiveness of Woven Fabrics with High Electrical Conductivity: Complete Derivation and Verification of Analytical Model." Materials 11, no. 9 (2018): 1657. http://dx.doi.org/10.3390/ma11091657.

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In this paper, electromagnetic shielding effectiveness of woven fabrics with high electrical conductivity is investigated. Electromagnetic interference-shielding woven-textile composite materials were developed from a highly electrically conductive blend of polyester and the coated yarns of Au on a polyamide base. A complete analytical model of the electromagnetic shielding effectiveness of the materials with apertures is derived in detail, including foil, material with one aperture, and material with multiple apertures (fabrics). The derived analytical model is compared for fabrics with measu

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Adamski, Dominik, Krzysztof Ortel, and Juliusz Furman. "Research on measurement of electromagnetic fields generated by electric and combustion powered rolling stock." MATEC Web of Conferences 294 (2019): 03016. http://dx.doi.org/10.1051/matecconf/201929403016.

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Axle counters are more and more often applied in train detection systems. The wheel sensor is a main part of each axle counter system. In parallel, more and more complex railway vehicles, especially traction ones, are a potential source of interferences influencing the operation of these train detection systems. It is the reason to verify the electromagnetic compatibility (EMC) between the signalling equipment, particularly train detection systems and new vehicles in the process of obtaining the permission for their exploitation. The measurement of interfering magnetic fields generated by vehi

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Yang, Yong Ming, He Meng Peng, and Quan Di Wang. "Modeling of Conducted EMI in Electric Vehicle Motor Drive System." Applied Mechanics and Materials 325-326 (June 2013): 543–46. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.543.

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In this paper, a method for conducted electromagnetic interference (EMI) prediction in Electric Vehicle motor drive system based on components’ circuit models is presented. Firstly, the characteristics of the components are analyzed and the equivalent circuits are drew; then, the parasitic parameters of the electromagnetic device are extracted by the measurement, analytical solution and finite element method (FEM); and finally, the circuit model of the whole motor drive system in high frequency range is established. This model is verified by the measurement and simulation results in the freque

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Li, Zewen, Tuofu Deng, Xiangjun Zeng, Feng Deng, and Lei Shu. "Theoretical Modeling and Implementation of Traveling Wave Sensor Based on PCB Coils." Journal of Sensors 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/598194.

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Based on analyzing characteristics of Rogowski coil, a new type of PCB traveling wave sensor with simple structure, high linearity, and anti-interference ability is proposed. The sensor has fine physical structure, which can effectively resist external electromagnetic interference by anti-interference measurement. In addition, it can greatly improve mutual inductance based on simple combinations. Simulations show that the new PCB traveling wave sensor can validly extract and deliver traveling wave signal and therefore realize fault location and protection accurately.

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Bengtsson, Lars. "Electromagnetic Interferences in Electrical Measurement Systems Demystified." International Journal of Electrical Engineering & Education 49, no. 2 (2012): 101–13. http://dx.doi.org/10.7227/ijeee.49.2.1.

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An, Zong Yu, Quan Di Wang, and Yong Ming Yang. "High Frequency Impedance Model of Electric Vehicle Traction Battery." Advanced Materials Research 668 (March 2013): 506–9. http://dx.doi.org/10.4028/www.scientific.net/amr.668.506.

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The application of the high-voltage supply system and the motor drive system in electric and hybrid-electric vehicles can leads to a significant increase in electromagnetic compatibility. The influence of traction batteries as part of the electromagnetic interference path must be considered. In this paper models of single cell, cells connected in series and cells connected in parallel are developed based on the measured impedance curve of single cell, the models are formulized in the frequency domain and verified by impedance measurement on Ni-MH batteries, the results allow the simulation of

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Paś, Jacek, Adam Rosiński, and Kamil Białek. "A Reliability-Exploitation Analysis of a Static Converter Taking Into Account Electromagnetic Interference." Transport and Telecommunication Journal 22, no. 2 (2021): 217–29. http://dx.doi.org/10.2478/ttj-2021-0017.

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Abstract The paper presents issues associated with the impact of electromagnetic interference on static converters, which exploitation in a railway transport environment. The measurements of an electromagnetic field emitted by a static converter were shown. Designs of this kind are exploitation in railway facilities, therefore, they should not disturb the functioning of other equipment, the rail traffic control systems, in particular. As a result of the EMC tests, it was concluded that the permissible values of conducted interference emissions were exceeded. An analysis of the obtained results

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PARK, Jeung geun, and Che young KIM. "Electromagnetic Interference Analysis Based on Total Harmonic Distortion Measurement in 900MHz Cordless Telephones." IEICE Transactions on Communications E93-B, no. 9 (2010): 2348–53. http://dx.doi.org/10.1587/transcom.e93.b.2348.

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Lihui, Wang, Huang Jiayu, Ji Jianfei, Pang Fubin, and Yuan Yubo. "Measurement of transient electromagnetic coupling and interference caused by disconnector operation in substation." Measurement 96 (January 2017): 1–7. http://dx.doi.org/10.1016/j.measurement.2016.10.034.

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Grobler, Inus, and Michael Njoroge Gitau. "Modelling and measurement of high-frequency conducted electromagnetic interference in DC–DC converters." IET Science, Measurement & Technology 11, no. 4 (2017): 495–503. http://dx.doi.org/10.1049/iet-smt.2016.0412.

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Khan, Sharief ud Din, Manju Arora, M. A. Wahab, and Parveen Saini. "Permittivity and Electromagnetic Interference Shielding Investigations of Activated Charcoal Loaded Acrylic Coating Compositions." Journal of Polymers 2014 (May 4, 2014): 1–7. http://dx.doi.org/10.1155/2014/193058.

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Acrylic resin (AR) based electromagnetic interference (EMI) shielding composites have been prepared by incorporation of up to 30 wt% activated charcoal (AC) in AR matrix. These composites have been characterized by XRD, Raman spectroscopy, scanning electron microscopy, dielectric, and EMI shielding measurement techniques. XRD patterns and Raman studies confirm the incorporation of AC particles inside AR matrix and suggest possible interactions between phases. The SEM images show that incorporation of AC particles leads to systematic change in the morphology of composites especially the formati

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Naveenaa, S., S. Sruthi, and B. Sabarish Narayanan. "Microwave Characterization of Ecosand for Electromagnetic Interference (EMI) Shielded Construction." Applied Mechanics and Materials 813-814 (November 2015): 263–66. http://dx.doi.org/10.4028/www.scientific.net/amm.813-814.263.

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Experimental study on microwave attenuation of ecosand is presented. Ecosand is a by-product of cement industry, and presents good alternative for natural river sand. Ecosand is a composite mixture, primarily containing silica and alumina. Microwave characterization provides good value enhancement for ecosand, encouraging its utilization in construction of EMI shielded buildings including safety vaults, server chambers and critical defense installations. Wave guide based studies on virgin ecosand and ecosand fly ash mixtures are conducted. Varying proportions of ecosand - flyash mixtures are c

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Zhang, Zhiwen, and Tao Su. "Behavioral Analysis and Immunity Design of the RO-Based TRNG under Electromagnetic Interference." Electronics 10, no. 11 (2021): 1347. http://dx.doi.org/10.3390/electronics10111347.

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True random-number generators based on ring oscillators (RO-based TRNG) are widely used in the field of information encryption because of their simple structure and compatibility with CMOS technology. However, radiated or conducted electromagnetic interference can dramatically deteriorate the randomness of the output bitstream of the RO-based TRNG, which poses a great threat to security. Traditional research focuses on the innovation of the means of attack and the detection of circuit states. There is a lack of research on the interference mechanism and anti-interference countermeasures. In th

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Liu, Lan Shu, Wen Song Zhang, and Xiang Ping Zhu. "Detection of Electromagnetic Pulse Induced Hazard on Electroexplosive Device Based on Optical-Fiber Fluorescence." Advanced Materials Research 383-390 (November 2011): 7492–95. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.7492.

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The electroexplosive devices(EED) are widely used in the core system of rocket, missile and nuclear weapons. Hazard analysis and measurement of electromagnetic pulse is of great importance to the security and reliability of EED. In this article, an optical-fiber fluorescence temperature sensor is proposed for analyzing hazard induced by electromagnetic pulse of EED. The temperature of EED can be measured through the fluorescence lifetime, then the induced current is obtained, and thereby the electromagnetic pulse induced hazard can be draw. The experiments show that, the set-up of this proposa

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Gao, Feng, Chengkai Ye, Zilong Wang, and Xu Li. "Improvement of Low-Frequency Radiated Emission in Electric Vehicle by Numerical Analysis." Journal of Control Science and Engineering 2018 (October 1, 2018): 1–8. http://dx.doi.org/10.1155/2018/5956973.

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In this paper, a methodology for improving vehicle-level radiated electromagnetic interference (EMI) in electric vehicle (EV) is proposed. This methodology predicts vehicle-level radiated EMI by using the multiport network theory, based on analyzing the contribution from each electronic component to find out the main EMI source. To validate its effectiveness, the proposed methodology is applied in an actual EV for low-frequency radiated emissions. Simulation in a commercially available electromagnetics software and measurement in the EV are combined to predict the vehicle-level emissions, and

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Qi, Ke Yu, Chao Xiang, Xiong Zhu Bu, and Jing Yu. "Analysis of Theory and Model of Background Magnetic Field of High-Spinning Projectile." Applied Mechanics and Materials 556-562 (May 2014): 1954–58. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1954.

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At present, methods of the navigation and the attitude measurements of projectile utilizing the magnetic fields are facing the interference from the BMF (background magnetic field). The principle and mathematical model of the BMF for the spinning projectile are been researched to realize the high accuracy measurement of the geomagnetic field on projectile. The composition and jamming mechanism of the projectile's BMF are derived with the Faraday electromagnetic induction theory. High precision compensation model of the geomagnetic measurement is established by synthesizing the magnetic sensor

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