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Journal articles on the topic 'Control sources'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Lilian da Silva Lima, Silvangela, Robson Francisco da Silva Dias, and Edson Hirokazu Watanabe. "Direct Voltage Control In Grids With Intermittent Sources Using Upfc." Eletrônica de Potência 19, no. 3 (August 1, 2014): 260–67. http://dx.doi.org/10.18618/rep.2014.3.260267.

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2

Agamalov, O. "GRID-FORMING/FOLLOWING CONTROL FOR CONVERTERS OF RENEWABLE ENERGY SOURCES." Tekhnichna Elektrodynamika 2021, no. 1 (January 14, 2021): 50–52. http://dx.doi.org/10.15407/techned2021.01.050.

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Have been proposed the new control framework for converters of renewable energy sources (RES-C), based on choosing their operation mode – grid-forming or grid-following in depends on the dynamic stiffness (DS) of the power system for some bus i (control point), where we can observe arbitrary disturbance. In the proposed RES-C control framework, in cases of small values of DS around bus i, used the grid-forming control mode of RES-C, and in cases of large values of DS around bus i, used the grid-following control mode of RES-C. Operation mode of RES-C can be changing in depends on measured DS values for bus i of a power system. References 4, figures 2.

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3

Taiyaba, Taiyaba, Anurag Rai, and Farhat Tahira. "Hospital Acquired Infections, Sources, Route of Transmission, Epidemiology, Prevention and Control." International Journal of Life-Sciences Scientific Research 4, no. 4 (July 2018): 1858–62. http://dx.doi.org/10.21276/ijlssr.2018.4.4.2.

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4

Jones, Cynthia G. "Regulatory Control of Radiation Sources." Health Physics 89, no. 6 (December 2005): 692. http://dx.doi.org/10.1097/00004032-200512000-00017.

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5

Bruce, Robert D., and Arno S. Bommer. "Cogeneration noise sources and control." Journal of the Acoustical Society of America 90, no. 4 (October 1991): 2242. http://dx.doi.org/10.1121/1.401529.

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6

Kummer, Volker, and Wolf R. Thiel. "Bioaerosols – Sources and control measures." International Journal of Hygiene and Environmental Health 211, no. 3-4 (July 2008): 299–307. http://dx.doi.org/10.1016/j.ijheh.2007.06.006.

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7

Sekhar, Mr J. Muni Chandra. "Automatic Grid Switch Control between Two Electrical Sources." International Journal for Research in Applied Science and Engineering Technology 9, no. VI (June 20, 2021): 2055–59. http://dx.doi.org/10.22214/ijraset.2021.35450.

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This paper describes about the grid switch control system. The aim of the project is to provide a facility by which we can control the two power sources in the power grid. The purpose of the project is to provide a flexible system by which we can control the two DC power sources. Now days, there is a lot of requirements to control the appliances in an industry or in a home connected to the power grid when we are working. The main aim of the present project is to provide a facility by which we can control the DC power sources connected to the power grid. The only thing is we need to switch the button for a control board to the power control section. The control board which is attached to the power grid control section in the industry. This receives the commands to the microcontroller whenever there is a power cut from the main source. The microcontroller plays a major role in receiving the commands from the main source module and to switch from a Main DC source or from a Battery DC source which is fed to thee DC generator (Wind energy). The particular source is switched according to the command. Here in this project a power grid is connected to motor control unit. The project implements the design of a system by which we can control the power grid of two DC sources.

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8

Gutmark, E., B. Callender, and S. Martens. "Aeroacoustics of Turbulent Jets : Flow Structure, Noise Sources, and Control(Keynote Lecture)." Proceedings of the International Conference on Jets, Wakes and Separated Flows (ICJWSF) 2005 (2005): 35–44. http://dx.doi.org/10.1299/jsmeicjwsf.2005.35.

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9

Han, Jong-Ho. "Tracking Control of Moving Sound Source Using Fuzzy-Gain Scheduling of PD Control." Electronics 9, no. 1 (December 21, 2019): 14. http://dx.doi.org/10.3390/electronics9010014.

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This paper proposes fuzzy gain scheduling of proportional differential control (FGS-PD) system for tracking mobile robot to moving sound sources. Given that the target positions of the real-time moving sound sources are dynamic, the mobile robots should be able to estimate the target points continuously. In such a case, the robots tend to slip owing to abnormal velocities and abrupt changes in the tracking path. The selection of an appropriate curvature along which the robot follows a sound source makes it possible to ensure that the robot reaches the target sound source precisely. For enabling the robot to recognize the sound sources in real time, three microphones are arranged in a straight formation. In addition, by applying the cross correlation algorithm to the time delay of arrival base, the received signals can be analyzed for estimating the relative positions and velocities of the mobile robot and the sound source. Even if the mobile robot is navigating along a curved path for tracking the sound source, there could be errors due to the inertial and centrifugal forces resulting from the motion of the mobile robot. Velocities of both robot wheels are controlled using FGS-PD control to compensate for slippage and to minimize tracking errors. For experimentally verifying the efficacy of the proposed the control system with sound source estimation, two mobile robots were fabricated. It was demonstrated that the proposed control method effectively reduces the tracking error of a mobile robot following a sound source.

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10

Hu, Qi, and Shiu-Keung Tang. "Active control of a finite line source using multiple directional sources." Journal of the Acoustical Society of America 141, no. 5 (May 2017): 3495. http://dx.doi.org/10.1121/1.4987305.

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11

Andreassi, Jeanine K., and Cynthia A. Thompson. "Dispositional and situational sources of control." Journal of Managerial Psychology 22, no. 8 (November 13, 2007): 722–40. http://dx.doi.org/10.1108/02683940710837697.

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12

Grinbaum, M., A. Camponovo, J. M. Desseigne, P. Poupault, E. Meisterman, B. Chatelet, F. Davaux, and V. Lempereur. "Phthalates: Potential sources and control measures." BIO Web of Conferences 12 (2019): 04008. http://dx.doi.org/10.1051/bioconf/20191204008.

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The issue of endocrine disruptors is a subject of debate in the agri-food sector and questioning for consumers through the media. Among these compounds, some of the family of phthalates, are used in the composition of some materials used in wineries. This makes it a worrying issue in terms of image and safety. The objective ok this work was to identify the sources of phthalates and the factors favoring their diffusion in wines to propose preventive and curative solutions to the wine makers. The modalities were therefore selected in different French wine regions to represent the diversity of oenological practices. This survey also led to examine more thoroughly the parameters involved in the situations that favored migration of the highest levels. Additional experiments were performed specifically on certain sources or contributing factors. The first identified sources include epoxy resin, fiberglass reinforced polyester as well as PVC materials (pipes …). Favorable factors include alcohol content, temperature, duration and contact area.

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13

Faridi, A., and A. Ephremides. "Distortion Control for Delay-Sensitive Sources." IEEE Transactions on Information Theory 54, no. 8 (August 2008): 3399–411. http://dx.doi.org/10.1109/tit.2008.926338.

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14

Tichy, Jiri. "Near‐field control of complex sources." Journal of the Acoustical Society of America 105, no. 2 (February 1999): 1155. http://dx.doi.org/10.1121/1.425492.

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15

Bernardini, Renato. "Air Pollution: Sources, Control and Effects." Indoor and Built Environment 5, no. 3 (May 1996): 184–86. http://dx.doi.org/10.1177/1420326x9600500310.

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16

Vigneswaran, Darshan. "The Complex Sources of Immigration Control." International Migration Review 54, no. 1 (February 28, 2019): 262–88. http://dx.doi.org/10.1177/0197918318823191.

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All governments enforce immigration laws, but we have a limited understanding of the factors that determine how much they do so. Immigration policymakers can empower or compel officials and non-state actors to enforce immigration laws. This study suggests that non-immigration policymakers may play an equally important role — albeit in complex ways. Policies designed to control human mobility in other ways (transportation, crime control, segregation, etc.) can determine the amount of resources a given country devotes to immigration enforcement and the effectiveness of enforcement efforts. When officials ban old — or invent new — forms of movement control, they can determine how much resources are available to enforce immigration laws, whether these resources are used for immigration enforcement, and how effective they are. The study demonstrates this potential power of non-immigration policy through an in-depth analysis of South Africa’s unexpected capacity to control migration. South Africa is one of the world’s most prolific deporters of foreign nationals but not a very strong state. The study shows how decisions to ban segregation and invent new policing methods impacted the South African state’s capacity to deport foreign nationals. Using these findings, the article calls for more detailed research into the complex relationships between immigration enforcement and other movement control policies and for greater attention to heretofore neglected cases in the developing world.

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17

Singh, Narendra, and S. C. Davar. "Noise Pollution-Sources, Effects and Control." Journal of Human Ecology 16, no. 3 (November 2004): 181–87. http://dx.doi.org/10.1080/09709274.2004.11905735.

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18

Junger, Miguel C. "Shipboard Noise: Sources, Transmission, and Control." Noise Control Engineering Journal 34, no. 1 (1990): 3. http://dx.doi.org/10.3397/1.2827752.

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19

Sedgwick, P. "Case-control studies: sources of bias." BMJ 343, oct05 2 (October 5, 2011): d6284. http://dx.doi.org/10.1136/bmj.d6284.

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20

Bernardini, Renato. "Air Pollution: Sources, Control and Effects." Indoor and Built Environment 5, no. 3 (1996): 184–86. http://dx.doi.org/10.1159/000463708.

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21

Pandya, Astha, Prof R. R. Kapadia Prof. R.R.Kapadia, and Prof S. N. Shivani Prof. S.N.Shivani. "Smart Control of Parameter of Microgrid Having Renewable Sources Using ZIEGLER-NICHOLS Method." Paripex - Indian Journal Of Research 3, no. 2 (January 15, 2012): 98–100. http://dx.doi.org/10.15373/22501991/feb2014/30.

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22

Liang, Haifeng, Yue Dong, Yuxi Huang, Can Zheng, and Peng Li. "Modeling of Multiple Master–Slave Control under Island Microgrid and Stability Analysis Based on Control Parameter Configuration." Energies 11, no. 9 (August 24, 2018): 2223. http://dx.doi.org/10.3390/en11092223.

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The stable operation of a microgrid is crucial to the integration of renewable energy sources. However, with the expansion of scale in electronic devices applied in the microgrid, the interaction between voltage source converters poses a great threat to system stability. In this paper, the model of a three-source microgrid with a multi master–slave control method in islanded mode is built first of all. Two sources out of three use droop control as the main control source, and another is a subordinate one with constant power control which is also known as real and reactive power (PQ) control. Then, the small signal decoupling control model and its stability discriminant equation are established combined with “virtual impedance”. To delve deeper into the interaction between converters, mutual influence of paralleled converters of two main control micro sources and their effect on system stability is explored from the perspective of control parameters. Finally, simulation and analysis are launched and the study serves as a reference for parameter setting of converters in a microgrid.

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23

Goodman, Al. "Sources of Microconstituents and How to Control Their Release at the Source." Proceedings of the Water Environment Federation 2009, no. 10 (January 1, 2009): 5775–86. http://dx.doi.org/10.2175/193864709793952512.

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24

Jha, Mayank, Frede Blaabjerg, Mohammed Ali Khan, Varaha Satya Bharath Kurukuru, and Ahteshamul Haque. "Intelligent Control of Converter for Electric Vehicles Charging Station." Energies 12, no. 12 (June 18, 2019): 2334. http://dx.doi.org/10.3390/en12122334.

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Electric vehicles (EVs) are envisaged to be the future transportation medium, and demonstrate energy efficiency levels much higher than conventional gasoline or diesel-based vehicles. However, the sustainability of EVs is only justified if the electricity used to charge these EVs is availed from a sustainable source of energy and not from any fossil fuel or carbon generating source. In this paper, the challenges of the EV charging stations are discussed while highlighting the growing use of distributed generators in the modern electrical grid system. The benefits of the adoption of photovoltaic (PV) sources along with battery storage devices are studied. A multiport converter is proposed for integrating the PV, charging docks, and energy storage device (ESD) with the grid system. In order to control the bidirectional flow between the generating sources and the loads, an intelligent energy management system is proposed by adapting particle swarm optimization for efficient switching between the sources. The proposed system is simulated using MATLAB/Simulink environment, and the results depicted fast switching between the sources and less switching time without obstructing the fast charging to the EVs.

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25

Carter, Roy E., Richard V. Ericson, Patricia M. Baranek, and Janet B. L. Chan. "Negotiating Control: A Study of News Sources." Contemporary Sociology 20, no. 2 (March 1991): 283. http://dx.doi.org/10.2307/2072982.

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26

Roshco, Bernard, Richard V. Ericson, Patricia M. Baranek, and Janet B. L. Chan. "Negotiating Control: A Study of News Sources." Social Forces 69, no. 4 (June 1991): 1285. http://dx.doi.org/10.2307/2579334.

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27

Aygar, İsmail Selçuk, Muhammed Furkan Kürkçü, and Selman Kızıl. "PCR Inhibitors: Sources, Inhibition Mechanisms and Control." Journal of Molecular Virology and Immunology 1, no. 2 (July 6, 2020): 1–10. http://dx.doi.org/10.46683/jmvi.2020.7.

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28

Schlesinger, Philip, Richard V. Ericson, Patricia M. Baranek, and Janet B. L. Chan. "Negotiating Control: A Study of News Sources." Canadian Journal of Sociology / Cahiers canadiens de sociologie 14, no. 4 (1989): 559. http://dx.doi.org/10.2307/3340672.

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29

Marks, Ray. "Hip Joint Osteoarthritis Pain Sources and Control." Pain Studies and Treatment 08, no. 01 (2020): 1–21. http://dx.doi.org/10.4236/pst.2020.81001.

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30

Iderawumi, Abdulraheem Mukhtar. "Sources of Environmental Hazards Effects and Control." Asia Pacific Journal of Energy and Environment 5, no. 2 (2018): 77–82. http://dx.doi.org/10.18034/apjee.v5i2.528.

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31

Iderawumi, Abdulraheem Mukhtar. "Sources of Environmental Hazards Effects and Control." Asia Pacific Journal of Energy and Environment 6, no. 2 (December 31, 2019): 77–82. http://dx.doi.org/10.18034/apjee.v6i2.268.

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The entire world become village and whatever affects a country will ultimately affect the neighbouring ones. Since the environment is being constantly polluted by man through its various activities such an acts constitutes hazard to man and its ecological being and a threat to public health. An environmental hazard is a substance, state or event which has the potential to threaten the surrounding natural environment and / or adversely affect people's health. This term incorporates topics like pollution and natural disasters such as storms and earthquakes. Human-made hazards while not immediately health-threatening may turn out detrimental to man's well-being eventually, because deterioration in the environment can produce secondary, unwanted negative effects on the human ecosphere. The effects of water pollution may not be immediately visible because of a sewage system that helps drain off toxic substances. If those substances turn out to be persistent (e.g. persistent organic pollutant), however, they will literally be fed back to their producers via the food chain: plankton -> edible fish -> humans. In that respect, a considerable number of environmental hazards are man-made (anthropogenic) hazards. This necessitate to this study of investigating, the sources, effects and controls of environment hazards. Data were gathered from Primary Health Care (P.H.C) department and from environment department through oral interview method. The findings from the data collected revealed that’s the people in the study area have negative attitude towards environmental hazards which make them to mismanage environmental resources such as land, water and air. Investigation also shows that, there were poor and inadequate system of refuse disposition and that the system most of the houses in the area are without adequate toilet facilities. Health education should be given to the people on the sources and effects of environmental hazards. It is therefore hoped that, if the recommendation made in this study is staffs strictly adhered to, it would go a long way in improving the environmental condition.

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32

Hicks, Roger. "The control of sources of lonising radiation." Radiography 2, no. 1 (February 1996): 78–79. http://dx.doi.org/10.1016/s1078-8174(96)90043-7.

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33

Власов, A. Vlasov, Заяц, and Yu Zayats. "INFORMATIONAL SOURCES FOR VEHICLE OPERATION INTELLIGENTUAL CONTROL." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 2, no. 1 (April 27, 2015): 251–53. http://dx.doi.org/10.12737/14041.

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34

Owa, F. W. "Water Pollution: Sources, Effects, Control and Management." International Letters of Natural Sciences 8 (January 2014): 1–6. http://dx.doi.org/10.18052/www.scipress.com/ilns.8.1.

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Human activities including industrialization and agricultural practices contributed immensely in no small measure to the degradation and pollution of the environment which adversely has an effect on the water bodies (rivers and ocean) that is a necessity for life. This paper tries to discuss basically what water pollution is and equally to address the source, effect control and water pollution management as a whole. Some recommendations such as introduction of environmental education were mentioned.

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35

Yao, Yanqing, and Zhoujun Li. "Differential Privacy With Bias-Control Limited Sources." IEEE Transactions on Information Forensics and Security 13, no. 5 (May 2018): 1230–41. http://dx.doi.org/10.1109/tifs.2017.2780802.

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36

Lee, Ramon G., William C. Becker, and David W. Collins. "Lead at the Tap: Sources and Control." Journal - American Water Works Association 81, no. 7 (July 1989): 52–62. http://dx.doi.org/10.1002/j.1551-8833.1989.tb03238.x.

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37

Singh, S. P., M. Ladoucer, and F. Rouhi. "Sources of Drilling Errors and their Control." Mineral Resources Engineering 07, no. 02 (June 1998): 79–92. http://dx.doi.org/10.1142/s0950609898000110.

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38

Barker, J. P., and M. O. Abdelatti. "Anaesthetic pollutionPotential sources, their identification and control." Anaesthesia 52, no. 11 (November 1997): 1077–83. http://dx.doi.org/10.1111/j.1365-2044.1007.224-az0359.x.

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39

Field, Richard. "URBAN RUNOFF: POLLUTION SOURCES, CONTROL, AND TREATMENT." Journal of the American Water Resources Association 21, no. 2 (April 1985): 197–206. http://dx.doi.org/10.1111/j.1752-1688.1985.tb00129.x.

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40

Shen, Yang-Wu, Jin-Rong Yuan, Fei-Fan Shen, Jia-Zhu Xu, Chen-Kun Li, and Ding Wang. "Finite Control Set Model Predictive Control for Complex Energy System with Large-Scale Wind Power." Complexity 2019 (July 28, 2019): 1–13. http://dx.doi.org/10.1155/2019/4358958.

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Complex energy systems can effectively integrate renewable energy sources such as wind and solar power into the information network and coordinate the operation of renewable energy sources to ensure its reliability. In the voltage source converter-based high voltage direct current system, the traditional vector control strategy faces some challenges, such as difficulty in PI parameters tuning and multiobjective optimizations. To overcome these issues, a finite control set model predictive control-based advanced control strategy is proposed. Based on the discrete mathematical model of the grid-side voltage source converter, the proposed strategy optimizes a value function with errors of current magnitudes to predict switching status of the grid-side converter. Moreover, the abilities of the system in resisting disturbances and fault recovery are enhanced by compensating delay and introducing weight coefficients. The complex energy system in which the wind power is delivered by the voltage source converter-based high voltage direct current system is modeled by Simulink and simulation results show that the proposed strategy is superior to the tradition PI control strategy under various situations, such as wind power fluctuation and fault occurrences.

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41

Ichikawa, Hiroyuki. "A study on active noise control using multi-pole control sources." Journal of the Acoustical Society of America 131, no. 4 (April 2012): 3472. http://dx.doi.org/10.1121/1.4709094.

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42

Hu, Qi, and Shiu-Keung Tang. "Active control of a highly directional primary source by compact novel secondary sources." Journal of the Acoustical Society of America 144, no. 3 (September 2018): 1703. http://dx.doi.org/10.1121/1.5067564.

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43

Crow, Steven C., and Gene G. Bergmeier. "Active sonic boom control." Journal of Fluid Mechanics 325 (October 25, 1996): 1–28. http://dx.doi.org/10.1017/s0022112096008014.

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A theory and simulation code are developed to study non-steady sources as means to control sonic booms of supersonic aircraft. A key result is that the source of sonic boom pressure is not confined to the length of the aircraft but occupies an extensive segment of the flight path. An aircraft in non-steady flight functions as a synthetic aperture antenna, generating complex acoustic waves with no simple relation to instantaneous volume or lift distributions.The theory applies linear acoustics to slender non-steady sources but requires no far-field approximation. The solution for pressure contains a term not seen in Whitham's theory for sonic booms of distant supersonic aircraft. The term describes a pressure field that decays algebraically behind the Mach cone and, in the case of steady flight, integrates to a ground load equal to the weight of the aircraft. The algebraic term is separate from those that describe the sonic boom.Two non-steady source phenomena are evaluated: periodic velocity changes (surge), and periodic longitudinal lift redistribution (slosh). Surge can attenuate a sonic boom and covert it into prolonged weak reverberation, but accelerations needed to produce the phenomenon seem too large for practical use. Slosh may be practical and can alter sonic booms but does not, on average, result in boom attenuation. The conclusion is that active sonic boom abatement is possible in theory but maybe not practical.

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44

Belov, G. A., S. V. Abramov, G. V. Malinin, and A. V. Salov. "Control Unit for Electromagnet Current." E3S Web of Conferences 124 (2019): 02004. http://dx.doi.org/10.1051/e3sconf/201912402004.

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The paper deals with the results of research and development of the electromagnet current control unit for the case when only two outputs without specifying the polarity of the source connection may be available from a circuit with a series of DC voltage sources and electromagnet winding. Theoretical results have been verified by modelling in Matlab-Simulink environment as well as by testing the starter of the contactor air switch.

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45

Ma, Yanni, Xinggui Wang, and Sheng Xue. "Power Coordinated Control of Micro Sources of MMC Series Microgrid Based on Model Prediction." E3S Web of Conferences 261 (2021): 01001. http://dx.doi.org/10.1051/e3sconf/202126101001.

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To improve the utilization rate of micro sources of MMC series structured microgrid in a gridconnected operation mode, a prediction-based coordination control strategy of micro-source power of bridge arm is proposed in this paper. The connection between the output power and the delta carrier is determined by analyzing each generation unit’s output power. Each micro source’s output power is controlled independently by using the carrier-wave variable amplitude phase-shift modulation method. A finite control set-model predictive control algorithm is used to predict the next cycle’s power using the carrier amplitude of the current cycle as the controlled input. The optimal switching state for the next cycle is determined according to the coordination principle of “more work for more energy.” Through simulation, the coordination strategy can effectively control the maximum power output of the bridge arm and improve the micro source’s utilization rate.

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46

JINBO, Naoki, and Yasuhide KOBAYASHI. "1018 Control Performance of Directional Sources in Active Noise Control for Ducts." Proceedings of Conference of Hokuriku-Shinetsu Branch 2008.45 (2008): 363–64. http://dx.doi.org/10.1299/jsmehs.2008.45.363.

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47

Booth, Robert W., and Müjde Peker. "State anxiety impairs attentional control when other sources of control are minimal." Cognition and Emotion 31, no. 5 (April 13, 2016): 1004–11. http://dx.doi.org/10.1080/02699931.2016.1172474.

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48

SHIMOJIMA, Hiroshi, Yoshihiro MATSUNAGA, Sekiya KOIKE, and Itsuro KAJIWARA. "Feedback Active Noise Control with Multiple Control Sources based on Modal Analysis." Transactions of the Japan Society of Mechanical Engineers Series C 65, no. 633 (1999): 1849–56. http://dx.doi.org/10.1299/kikaic.65.1849.

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49

Bizon, N. "Nonlinear control of fuel cell hybrid power sources: Part I – Voltage control." Applied Energy 88, no. 7 (July 2011): 2559–73. http://dx.doi.org/10.1016/j.apenergy.2011.01.030.

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50

Bizon, N. "Nonlinear control of fuel cell hybrid power sources: Part II – Current control." Applied Energy 88, no. 7 (July 2011): 2574–91. http://dx.doi.org/10.1016/j.apenergy.2011.01.044.

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