Academic literature on the topic 'Approach law for magnetic saturation'

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Journal articles on the topic "Approach law for magnetic saturation"

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Yamkane, Z., R. Fersi, F. Z. Rachid, et al. "Law of Approach to Magnetic Saturation in Nanocrystalline Pr2Co7Cx(x≤1): Effects of Carbonation." SPIN 10, no. 03 (2020): 2050016. http://dx.doi.org/10.1142/s2010324720500162.

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We report on the effect of Carbon insertion on the microstructure and magnetic properties of nanocrystalline Pr2Co7Cx([Formula: see text]). The Pr2Co7Cx were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and physical property measurement system (PPMS9) Quantum Design. Mean field theory was utilized to depict the temperature dependence of magnetization and deduce the exchange interactions. The approach to saturation magnetization was as well used. The results were interpreted in the framework of random magnetic anisotropy model. From such analysis, some fundam
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Devi, Elangbam Chitra, and Ibetombi Soibam. "Law of Approach to Saturation in Mn–Zn Ferrite Nanoparticles." Journal of Superconductivity and Novel Magnetism 32, no. 5 (2018): 1293–98. http://dx.doi.org/10.1007/s10948-018-4823-4.

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Devi, Elangbam Chitra, and Ibetombi Soibam. "Magnetic properties and law of approach to saturation in Mn-Ni mixed nanoferrites." Journal of Alloys and Compounds 772 (January 2019): 920–24. http://dx.doi.org/10.1016/j.jallcom.2018.09.160.

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UTSUNOMIYA, Tomoaki, Hidekazu NISHIZAWA, Kiyoshi KANETA, and Hideaki KONDO. "A magnetic method for measuring stress based on law of approach to saturation magnetization." Journal of Advanced Science 1, no. 1 (1989): 79–81. http://dx.doi.org/10.2978/jsas.1.79.

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Zhang, Zhan Xin, Hui Li Li, Tao Liu та Feng Ming Wang. "The Measurement for the Effective Anisotropy Constant of the Nanocomposite Permanent Magnetic Material Nd2Fe14B/α-Fe". Advanced Materials Research 189-193 (лютий 2011): 292–95. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.292.

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The effective anisotropy constant and the saturation magnetization in nano composite Nd2Fe14B/α-Fe have been calculated by the law of approach to saturation (LATS) method. The applicability of the method has been analyzed. The calculated result shows that the LATS method is suitable for the calculation of the effective anisotropy constant and the saturation magnetization in nano composite permanent magnetic materials.
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Hua, Bing, Nan Zhang, and Mohong Zheng. "Satellite magnetic/momentum wheel attitude control technology based on PIO cascade-saturation algorithm." World Journal of Engineering 18, no. 4 (2021): 645–50. http://dx.doi.org/10.1108/wje-10-2020-0536.

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Purpose Taking into account the factors of torque saturation and angular velocity limitation during the actual attitude maneuver of the satellite, as well as the difficulty of parameter selection in the design of attitude control algorithm, the purpose of this paper is to propose a satellite magnetic/momentum wheel attitude control technology based on pigeon-inspired optimization (PIO) cascade-saturation control law optimization. Design/methodology/approach The optimal parameters are calculated through the PIO algorithm and then the parameters are used in the cascade-saturation control law to
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Komogortsev, S. V., and R. S. Iskhakov. "Law of approach to magnetic saturation in nanocrystalline and amorphous ferromagnets with improved transition behavior between power-law regimes." Journal of Magnetism and Magnetic Materials 440 (October 2017): 213–16. http://dx.doi.org/10.1016/j.jmmm.2016.12.145.

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Utsunomiya, T., H. Nishizawa, and K. Kaneta. "Biaxial stress measurement using a magnetic probe based on the law of approach to saturation magnetization." NDT & E International 24, no. 2 (1991): 91–94. http://dx.doi.org/10.1016/0963-8695(91)90823-l.

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KUNO, Tomoko, Shunji SUZUKI, Kimiko URUSHIBATA, et al. "Effects of the Applied Magnetic Field for Measurements in the Law of Approach to Ferromagnetic Saturation (LAFS)." Journal of the Japan Society of Powder and Powder Metallurgy 63, no. 13 (2016): 1053–59. http://dx.doi.org/10.2497/jjspm.63.1053.

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Kronmüller, H., V. A. Ignatchenko, and A. Forkl. "Law of approach to magnetic saturation in inhomogeneous ferri- and antiferromagnets and in amorphous iron-rich Fe-Zr alloys." Journal of Magnetism and Magnetic Materials 134, no. 1 (1994): 68–74. http://dx.doi.org/10.1016/0304-8853(94)90074-4.

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Dissertations / Theses on the topic "Approach law for magnetic saturation"

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Oliveira, Neto Francisco de. "Caracterização estrutural e magnética do compósito cerâmico ZnO – CoFe2O4." Universidade Federal de Goiás, 2015. http://repositorio.bc.ufg.br/tede/handle/tede/5228.

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Submitted by Cláudia Bueno (claudiamoura18@gmail.com) on 2016-02-12T12:25:51Z No. of bitstreams: 2 Dissertação - Francisco de Oliveira Neto - 2015.pdf: 6608686 bytes, checksum: 00be4069bc90036c589c6c3fa9131408 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-02-16T06:42:51Z (GMT) No. of bitstreams: 2 Dissertação - Francisco de Oliveira Neto - 2015.pdf: 6608686 bytes, checksum: 00be4069bc90036c589c6c3fa9131408 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86
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Banitalebi, Dehkordi Ali. "Improved models of electric machines for real-time digital simulation." 2010. http://hdl.handle.net/1993/3935.

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This thesis advances the state of the art in modeling electric machines in electro-magnetic transient simulation programs, particularly in real-time digital simulators. A new tool, developed in this thesis, expands the application of real-time digital simulators to closed-loop testing of protection relays designed to protect synchronous machines during internal faults. To evaluate the inductances of synchronous machines, a winding function approach was developed in this thesis which is capable of taking into account both the actual distribution of windings and the shape of the pole-arc. Fact
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Book chapters on the topic "Approach law for magnetic saturation"

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Gonzalez, J., M. Vazquez, E. T. de Lacheisserie, and G. Herzer. "Temperature Dependence of the Law of Approach to Magnetic Saturation in Nanocrystalline Ferromagnets." In Ordering and Disordering in Alloys. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2886-5_49.

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Amaral, V. S., J. Filippi, and B. Barbara. "On the Law of Approach to Saturation in the Series of Amorphous Alloys a-DyxGd1−xNi." In NATO ASI Series. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-2590-9_45.

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Worthy, Ben. "New Labour, new openness?" In The Politics of Freedom of Information. Manchester University Press, 2017. http://dx.doi.org/10.7228/manchester/9780719097676.003.0003.

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New Labour’s support for FOI was partially through willing embrace and partially through having it forced upon them. By the 1990s party backing, policy shifts and pragmatic opportunism had pushed the law centre stage. FOI was partly thrust upon the Labour Party leadership. In the legislature, FOI’s long support in the Labour Party had built into a powerful current of cross-party support. It was also powered by the spread of FOI around the world and, perhaps mostly importantly, by rapidly shifting technology and changing public expectations in the area of information provision. FOI was embraced by the leadership as very much a product of Labour’s eighteen years of out of power. FOI was an opportunistic policy that served to embarrass the secretive and ‘sleaze’-ridden Conservative government. It also chimed, after the experience of Thatcherism, with a current of Labour Party thought on breaking up power, and locked into a wide-ranging programme of constitutional reforms aimed at redesigning politics. More than this, the idea itself had obtained a powerful magnetic force. It was bound up with Labour’s sense of self and appealed as a policy that symbolised Labour’s radicalism and its new approach towards government and the people.
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Conference papers on the topic "Approach law for magnetic saturation"

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Venu Prakash, M. Pavan, S. P. Mathew, and S. N. Kaul. "Low-lying magnetic excitations, magnetic irreversibility and approach-to-saturation in nanocrystalline Ni." In PROCEEDING OF INTERNATIONAL CONFERENCE ON RECENT TRENDS IN APPLIED PHYSICS AND MATERIAL SCIENCE: RAM 2013. AIP, 2013. http://dx.doi.org/10.1063/1.4810114.

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Eyvazzadeh, Ramsin, Abdullatif Al-Omair, Majed Kanfar, and Achong Christon. "Low Resistivity Pay Carbonates: A Practical Approach to Quantify Water Saturation Using a Modified Archie's Model." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206096-ms.

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Abstract A detailed description of a modified Archie's equation is proposed to accurately quantify water saturation within low resistivity/low contrast pay carbonates. The majority of previous work on low resistivity/low contrast reservoirs focused on clastics, namely, thin beds and/or clay effects on resistivity measurements. Recent publications have highlighted a "non-Archie" behavior in carbonates with complex pore structures. Several theoretical models were introduced, but new practical applications were not derived to solve this issue. Built upon previous theoretical research in a holisti
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Panjaitan, J. "Novel Approach on Thin Bed Reservoir Case Study from Muda Formation, Natuna Basin." In Digital Technical Conference. Indonesian Petroleum Association, 2020. http://dx.doi.org/10.29118/ipa20-g-244.

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The presence of shale in thin beds reservoirs affects formation evaluation where the standard conventional log analyses are not designed to properly correct this effect. The conventional logging tools, with low vertical resolution, are not able to characterize these thin beds. This implies that log values do not represent the true bed or layer properties, but rather an average of multiple beds. Muda Formation are characterized by thin bed layers, made up of clastic rock sequences with dominant lithology of sandstone inter-bedded with shale, siltstone, and organic material as confirmed by drill
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Khan, Mohammad Ibrahim, Harish Datir, Subhadeep Sarkar, and Bjarne Rafaelsen. "DECIPHERING LOW RESISTIVITY PAY TO DERISK A COMMERCIAL DISCOVERY: CASE STUDY FROM THE NORWEGIAN SEA." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0006.

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The Cretaceous Cape Vulture prospect (Norwegian Sea, Norway) consisted of three Cretaceous sand levels: Cape Vulture Lower, Main, and Upper. The prospect was drilled in 2017, targeting seismic amplitude anomalies that represented a combination of reservoir facies and hydrocarbons. As the first well (6608/10-17S) proved hydrocarbons down to base reservoir in Cape Vulture Main and Upper, an appraisal well with two sidetracks were planned and drilled to determine the reservoir development, pressure communication and oil-water contact. A good understanding of the lateral variation within the reser
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Yuanyuan, Li, Wang Hongyu, and Zhang Yanyan. "Simulation research on excitation control law based on large hydro-generator including magnetic saturation." In 2011 International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2011. http://dx.doi.org/10.1109/icems.2011.6073825.

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Shaw, David C., and Joseph A. Dozzo. "Reducing Numerical Diffusion in the Modelling of Sharp Saturation Fronts: A Conservation - Law Approach." In SPE Latin America Petroleum Engineering Conference. Society of Petroleum Engineers, 1990. http://dx.doi.org/10.2118/21179-ms.

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Zhou, Pu, Yue Zhang, Zhen Zhen, Qiang Wang, and Hai-jun Feng. "Study on Vibration Characteristics of Induction Motor Under Load Considering Saturation of Magnetic Circuit." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66807.

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The variation law of motor vibration with load under saturation of magnetic circuit is one of the focus of motor vibration research. T-type equivalent circuit method is shown to be a suitable engineering analysis way. In this paper, the variation of magnetic flux density under saturation state was analyzed by using a small induction motor, and a physical model of magnetic saturation and motor vibration was established by the way of T-shaped equivalent circuit. Based on the physical model, the vibration mechanism of the motor under the saturated magnetic circuit was analyzed and the motor vibra
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Enaworu, Efeoghene, Tim Pritchard, and Sarah J. Davies. "An Approach for Exploring the Application of the Flow Zone Index Concept in Describing Petrophysical Properties Using Available SCAL Data Relative Permeability." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/208244-ms.

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Abstract This paper describes a unique approach for exploring the Flow Zone Index (FZI) concept using available relative permeability data. It proposes an innovative routine for relating the FZI parameter to saturation end-points of relative permeability data and produces a better model for relative permeability curves. In addition, this paper shows distinct wettabilities for various core samples and validated functions between FZI and residual oil saturation (Sor), irreducible water saturation (Swi), maximum oil allowed to flow (Kro, max), maximum water allowed to flow (Krw, max),and mobile/r
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Shi, Jianjun, Atul G. Kelkar, and Donald Soloway. "GPC-Based Stable Reconfigurable Control." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42627.

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This paper presents development of multi-input multi-output (MIMO) Generalized Predictive Control (GPC) law and its application to reconfigurable control design in the event of actuator saturation. The stability of the GPC control law without reconfiguration is first established using Riccati-based approach and state-space formulation. A novel reconfiguration strategy is developed for the systems which have actuator redundancy and are faced with actuator saturation type failure. An elegant reconfigurable control design is presented with stability proof. A numerical example with application to
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Cuadrado, D. G., S. Lavagnoli, and G. Paniagua. "Methodology to Correct the Magnetic Field Effect on Thin Film Measurements." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42715.

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Machined ferrous metal components may carry a magnetic field, which in rotation disturb the output of electrical sensors. To minimize the effect on the electrical instrumentation, the rotating components are usually demagnetized. However, even after the demagnetization process, a residual magnetism unavoidably remains. This paper presents a methodology to predict the effects of a rotating magnetic field induced on thin-film measurements. In addition to the prediction of the magnetic effects, a procedure to correct the spurious variation in the readings of thin film gauges has been developed to
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