Relevant bibliographies by topics / Dual Power Zone

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Academic literature on the topic 'Dual Power Zone'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Dual Power Zone"

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Wang, Ran, Xiaolin Wang, Jingwei Liu, and Jun Yang. "Dual-Zone Active Noise Control Algorithm." Applied Sciences 10, no. 1 (2019): 4. http://dx.doi.org/10.3390/app10010004.

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When active noise control (ANC) is applied to acquire a ‘quiet zone’, it may produce an increase in the sound power outside the quiet zone and a change in the primary sound field, which are undesirable in anti-detection and personal audio. To obtain a large noise reduction in the control zone and a small increase of sound power outside the control zone, three wideband ANC algorithms are proposed based on the acoustic contrast control (ACC), least-squares (LS), and least-squares with acoustic contrast control (SFR-ACC) algorithms. With a loudspeaker array as the secondary source, dual-zone ANC
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Davydov, A. E., B. M. Bochenkov, and Y. V. Pankrats. "Algorithms for dual-zone control of a permanent-magnet synchronous motor." iPolytech Journal 28, no. 1 (2024): 84–94. http://dx.doi.org/10.21285/1814-3520-2024-1-84-94.

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The article is aimed at extending the speed range of a permanent-magnet synchronous motor in the main-motion electric drive of a machine tool (while maintaining the power characteristics). In this work, the electric drive of a permanent-magnet synchronous motor was mathematically modeled using the SimInTech software. As input data for modeling, the following DC motor parameters were used: nominal power of 2.2 kW, voltage of 315 V, speed of 1500 rpm, energy conversion efficiency of 90.5%, and nominal current of 6 A. An algorithm for controlling the electric drive was developed to include two co
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Davydov, A. E., B. M. Bochenkov, and Yu V. Pankrats. "Extending the range of dual-zone permanent magnet synchronous motor control." Vestnik MGTU 27, no. 4 (2024): 486–500. https://doi.org/10.21443/1560-9278-2024-27-4-486-500.

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Achieving a twofold increase in the rotation speed of a permanent magnet synchronous motor while maintaining its power characteristics at the original level permits to increase the productivity and quality of material processing on metal-cutting machines. The theoretical study has been conducted using the mathematical model of a permanent magnet synchronous motor. The new control algorithm provides for two working zones: a nominal speed zone where the required power parameters are maintained (the first zone), and a high speed zone with a twofold increase in the rotation speed relative to the n
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Effah, Emmanuel K., Francis B. Effah, Philip Y. Okyere, and Emmanuel K. Anto. "Robust Adaptive Control of Dual Active Bridge DC-DC Converter with Constant Power Loading." Power Electronics and Drives 10, no. 1 (2025): 60–73. https://doi.org/10.2478/pead-2025-0004.

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Abstract The standard model reference adaptive control (MRAC) application to the Dual Active Bridge (DAB) converter has proven to achieve excellent dynamic and tracking responses under parametric uncertainty. However, it is sensitive to bounded non-parametric uncertainty caused by measurement noise and ripples in the output voltage produced in the electronic device. When left unchecked, it affects the system’s performance and may lead to instability. This paper investigates two robust modifications to the standard MRAC, namely the projection operator and dead zone techniques, to tackle the iss
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Švec, Pavol, Viliam Hrnčiar, and Alexander Schrek. "Study of Laser Welding of HCT600X Dual Phase Steels." Scientific Proceedings Faculty of Mechanical Engineering 22, no. 1 (2014): 93–98. http://dx.doi.org/10.2478/stu-2014-0016.

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AbstractThe effects of beam power and welding speed on microstructure, microhardnes and tensile strength of HCT600X laser welded steel sheets were evaluated. The welding parameters influenced both the width and the microstructure of the fusion zone and heat affected zone. The welding process has no effect on tensile strength of joints which achieved the strength of base metal and all joints fractured in the base metal.
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S, Andrusenko, Buhaichuk O, Budnychenko V, and Podpisnov V. "BUSINESS CASE FOR APPLICATION OF ENERGY STORAGE UNITS IN URBAN TRANSPORT AND HOME POWER GRIDS." National Transport University Bulletin 1, no. 46 (2020): 3–13. http://dx.doi.org/10.33744/2308-6645-2020-1-46-003-013.

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The article deals with the methodology of business case for application of energy storage units in urban transport and home power grids while using dual- and three-zone pricing; in addition it provides an example of the methodology application. The object of study are electrical grids with energy storage units. The purpose of the work is to develop the business case for application of energy storage units in urban transport and home power grids while using dual- and three-zone pricing. Methods of investigations - mathematical modeling of processes. As a rule, the volumes of electricity product
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Wang, Jinying, Shengyang Huang, Hongjian Gao, Ju Liu, Yubo Zhang, and Shuicai Wu. "Computer Simulations of Dual-Antenna Microwave Ablation and Comparison to Experimental Measurements." Applied Sciences 13, no. 1 (2022): 26. http://dx.doi.org/10.3390/app13010026.

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Single-antenna microwave ablation (MWA) is mainly used to treat small tumors less than 3 cm in diameter. To obtain a larger coagulation zone in a single ablation, a dual-antenna ablation approach was proposed. A three-dimensional finite element method (FEM) simulation model of parallel dual-antennas was developed. Ex vivo experiments at 50 W for 8 min were performed to verify the model. Both the temperature changes in tissue and the size of the coagulation zone were recorded. The effects of dual-antenna spacing, heating power, and blood perfusion on the coagulation zone were analyzed. Fifteen
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Wan, Wanglong, Zheng Qin, and Minggao Deng. "A New Method for Traveling Wave Localization in Wide Area Power Grid Based on Trusted Zone Identification of Fault Lines." Journal of Physics: Conference Series 2774, no. 1 (2024): 012012. http://dx.doi.org/10.1088/1742-6596/2774/1/012012.

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Abstract Aiming at the problem of dead zones in fault localization of wide area power grids, which makes it difficult to improve localization accuracy, a new method based on the trusted zone of fault lines for precise localization of wide area traveling waves is proposed. The algorithm is based on the principle of dual terminal positioning, which determines the fault line in the network through the action status of the circuit breaker, and determines the calculation area of network positioning based on the fault line, obtaining a set of dual terminal positioning calculation paths based on the
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Liu, Chunyu, Xiaodong Li, Run Luo, and Rafael Macian-Juan. "Thermal Hydraulics Analysis of the Distribution Zone in Small Modular Dual Fluid Reactor." Metals 10, no. 8 (2020): 1065. http://dx.doi.org/10.3390/met10081065.

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The Small Modular Dual Fluid Reactor (SMDFR) is a novel molten salt reactor based on the dual fluid reactor concept, which employs molten salt as fuel and liquid lead/lead-bismuth eutectic (LBE) as coolant. A unique design of this reactor is the distribution zone, which locates under the core and joins the core region with the inlet pipes of molten salt and coolant. Since the distribution zone has a major influence on the heat removal capacity in the core region, the thermal hydraulics characteristics of the distribution zone have to be investigated. This paper focuses on the thermal hydraulic
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Huang, Wenchang, Jiaqi Li, Shuai Wu, et al. "Dual-Frequency Impedance Matching Network Design Using Genetic Algorithm for Power Ultrasound Transducer." Micromachines 15, no. 3 (2024): 344. http://dx.doi.org/10.3390/mi15030344.

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Dual-frequency ultrasounds have demonstrated significant potential in augmenting thermal ablation efficiency for tumor treatment. Ensuring proper impedance matching between the dual-frequency transducer and the power amplifier system is imperative for equipment safety. This paper introduces a novel dual-frequency impedance matching network utilizing L-shaped topology and employing a genetic algorithm to compute component values. Implementation involved an adjustable capacitor and inductor network to achieve dual-frequency matching. Subsequently, the acoustic parameters of the dual-frequency HI
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Books on the topic "Dual Power Zone"

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Melo, Francisco Dênis, and Edvanir Maia da Silveira. Nas trilhas do sertão: escritos de cultura e política do Ceará – volume 7. SertãoCult, 2022. http://dx.doi.org/10.35260/54210157-2022.

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Como será o lugar quando ninguém passa por ele? – pergunta o poeta. Será que “Existem coisas sem ser vistas?” E o mundo, mundo grande, como escreveu, pode existir “apenas pelo olhar que cria e lhe confere espacialidade?” O poeta parece querer nos dizer que “Aquilo que vemos vale – vive – apenas por aquilo que nos olha”, 1 que ver é experimentar ser visto, que ser visto é existir, e ainda que haja uma “cisão que separa dentro de nós o que vemos daquilo que nos olha”, 2 as coisas, os acontecimentos só têm existência na medida mesma de nossa presença, de nossa potência visual, de nosso corpo que
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Book chapters on the topic "Dual Power Zone"

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Aradau, Claudia, and Tobias Blanke. "Platforms." In Algorithmic Reason. Oxford University Press, 2022. http://dx.doi.org/10.1093/oso/9780192859624.003.0005.

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This chapter investigates how algorithmic reason becomes materialized in the infrastructure of digital platforms. While the literature on platforms has focused on data extraction, centralization, and new enclosures through monopolization, we argue that platform power emerges from the work of decomposing and recomposing small and large forms, inside and outside. With movements of externalization and internalization, platforms have become the central building blocks of all things digital. We show that platforms blur inside–outside boundaries through the dual move of taking the inside out and bri
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Guerra, Franciele Caroline, Regina Célia de Oliveira, and Gabriela Pereira da Silva. "Vulnerabilidade socioambiental e gestão de riscos em zona costeira." In Paisagens dos riscos sociais. Educar para diminuir a vulnerabilidade, 13th ed. RISCOS - Associação Portuguesa de Riscos, Prevenção e Segurança, 2023. http://dx.doi.org/10.34037/978-989-9053-19-9_13_11.

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A concentração de significativa parcela da população mundial e as atividades socioeconômicas exercem uma pressão significativa sobre os recursos naturais das zonas costeiras. Assim como as mudanças climáticas e eventos extremos intensificam os riscos naturais associados à erosão costeira e outros processos litorâneos. Nesse contexto, a gestão costeira integrada desempenha um papel essencial na avaliação dos riscos naturais, exposição da vulnerabilidade e da perigosidade. O estudo concentrou-se em duas áreas: a Região Metropolitana da Baixada Santista, em São Paulo (Brasil), e a Zona Costeira d
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Shama, Nael, and Islam Hassan. "In Pursuit of Security and Influence." In Water and Conflict in the Middle East. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780197552636.003.0008.

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Chapter 8 focuses on the United Arab Emirates (UAE), led by Mohamed bin Zayed, and its newly assertive power projection strategy that includes establishment naval and military bases on the Red Sea, in the chokepoints of the Bab al-Mandab one of the most important global shipping lanes and the Gulf of Aden and its littoral territory—the arid nations of Djibouti, Eritrea, and Somalia to achieve dual geostrategic and economic goals including the acquisition of operational and management rights over ports and economic zones. The theoretical framework used in this chapter to asses foreign policy ch
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Urbansky, Sören. "Staging Friendship at the Barbed-Wire Fence." In Beyond the Steppe Frontier. Princeton University Press, 2020. http://dx.doi.org/10.23943/princeton/9780691181684.003.0007.

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This chapter deals with the late 1940s and the 1950s, a period that is generally perceived as a honeymoon between the People's Republic of China and the Soviet Union, albeit one marred by the seeds of future conflict. Though the social and economic fallout of World War II was certainly felt in the borderlands, many things had changed for the better compared to the years leading up to 1945. There was no longer the threat of war to tyrannize the local population and transform the borderland areas into highly militarized zones. On the Soviet bank of the Argun, the siege mentality against enemies
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Conference papers on the topic "Dual Power Zone"

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Xavier, Gabriel Correa, HAIMON DINIZ LOPES ALVES, and Marcos Tadeu D'Azeredo Orlando. "Evaluation of the weld bead homogeneity obtained by laser welding with powder addition in duplex steel UNS S32304 through images acquired by micro-CT." In Anais do Encontro Científico de Física Aplicada. Even3, 2024. http://dx.doi.org/10.29327/1420690.14-9.

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Os aços inoxidáveis duplex se caracterizam pela presença de duas fases (ferrita e austenita) que idealmente devem estar presentes em igual proporção no material. São amplamente utilizados em indústrias como nuclear, química, petroquímica e óleo e gás offshore devido à sua alta resistência à corrosão e resistência mecânica. Durante a soldagem desses materiais, é necessário controlar cuidadosamente as taxas de resfriamento para manter a proporção adequada de ferrita-austenita e evitar a formação de precipitados indesejáveis. A soldagem a laser, devido à sua alta energia e altas taxas de resfriam
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Nadig, Ranga. "Improvements in the Performance of a Subcooling Zone in a Feedwater Heater With Dual End Plate Design With Water Seal in Between." In ASME 2015 Power Conference collocated with the ASME 2015 9th International Conference on Energy Sustainability, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/power2015-49418.

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In a horizontal feedwater heater with a partial length subcooling zone the end plate located at the entrance to the subcooling zone is the only non-welded barrier that prevents the condensing zone steam from entering the subcooling zone. The end plate is usually two or three inches thick and the tube holes in the end plate are drilled to tolerances similar to that of the tubesheet. As the steam from condensing zone tries to enter the subcooling zone it condenses in the tight spaces between the active tube and the tube hole in the end plate forming a liquid barrier that prevents further ingress
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Maharana, Suman, Dipankar De, and Alberto Castellazzi. "A New ZVS Zone Identification for Dual Active Bridge with a General Modulation Objective." In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). IEEE, 2020. http://dx.doi.org/10.23919/epe20ecceeurope43536.2020.9215626.

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Kumar, Anupam, Shubhendra Pratap Singh, and Arun Rathore. "Performance Investigation of Multilevel Neutral Point Clamped Dual Active Bridge Converter and Identification of Optimum Operating Zone." In 2022 4th International Conference on Energy, Power and Environment (ICEPE). IEEE, 2022. http://dx.doi.org/10.1109/icepe55035.2022.9797940.

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Cirligeanu, Radu, Alina Bogoi, and Radu D. Rugescu. "TRANSIT Code for Unsteady Flows in Solar-Gravity Draught Turbine Towers." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22518.

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Unsteady, non-isentropic, discontinuous flows with energy exchange, during solar heating transients of air turbine towers are approached through a proprietary computational front method, initially developed for the study of ignition in solid propellant rocket motors. Its application in the discontinuous flows with energy exchange also proves highly efficient. Computational efficiency is demonstrated by CFD simulation of transients in the air accelerator of the SEATTLER solar mirror, turbine tower. This is a typically unsteady flow simulation for slender channels. A 1-D computational scheme was
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Spadaccini, C. M., J. Lee, S. Lukachko, I. A. Waitz, A. Mehra, and X. Zhang. "High Power Density Silicon Combustion Systems for Micro Gas Turbine Engines." In ASME Turbo Expo 2002: Power for Land, Sea, and Air. ASMEDC, 2002. http://dx.doi.org/10.1115/gt2002-30082.

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As part of an effort to develop a micro-scale gas turbine engine for power generation and micro-propulsion applications, this paper presents the design, fabrication, experimental testing, and modeling of the combustion system. Two radial inflow combustor designs were examined; a single-zone arrangement and a primary and dilution-zone configuration. Both combustors were micro-machined from silicon using Deep Reactive Ion Etching (DRIE) and aligned fusion wafer bonding. Hydrogen-air and hydrocarbon-air combustion was stabilized in both devices, each with chamber volumes of 191 mm3. Exit gas temp
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Said, Ahmed O., and Ashwani K. Gupta. "Role of Fuel Injection Scheme in a High Intensity Combustor." In ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/power2016-59043.

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Fuel injection at two locations in a combustor using premixed, partially pre-mixed and non-premixed schemes has been explored for improved distributed combustion. The effect of dual location fuel injection to the combustor is examined and the results compared from single fuel injection. Focus of dual and single injection scheme was on enhancing reaction zone uniformity in the combustor. A cylindrical combustor at a combustion intensity of 36MW/m3.atm and heat load of 6.25 kW was used. Three different schemes of dual location fuel injection with different proportions of fuel injected from each
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Huang, Xiaoqing, and Hui Zhang. "Hot-Zone Design of Carbon/Carbon-Metal Sandwich Structure Composite Using CVI/CVD Material Processing." In ASME 2023 Heat Transfer Summer Conference collocated with the ASME 2023 17th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/ht2023-106577.

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Abstract The sandwich structure is a composite structure that is widely used in aviation, construction, and other fields due to its superior performance. We have designed a vertical dual-temperature-zone-dual-channel chemical vapor infiltration/deposition system that includes a deposition zone and a preheating zone. Carbon fiber-reinforced matrix carbon composites are used as the inner and outer panels of the sandwich structural materials, while structurally designed metal grids are proposed as the core material. We establish flow, heat and mass transfer, and chemical reaction models to carry
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Kwak, Jin Woong, and D. Brian Ma. "An Automotive-Use Dual-fsw-Zone Hybrid Switching Power Converter with Vo-Jitter-Immune Spread-Spectrum Modulation." In ESSCIRC 2022- IEEE 48th European Solid State Circuits Conference (ESSCIRC). IEEE, 2022. http://dx.doi.org/10.1109/esscirc55480.2022.9911302.

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Leon, Fernando, Angel Silva, Jorge Luis Villalobos, et al. "Novel Dual Completion Architecture Improves Oil Production and Boosts Secondary Recovery with Minimal Surface Footprint." In SPE Annual Technical Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210286-ms.

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Abstract The novel dual electric submersible pump (ESP) completion was designed to maximize oil recovery by improving waterflooding efficiencies while minimizing capital expenditures (capex) and surface facilities. The design enables the operator to produce oil and formation water from the same well. The injection of water, produced from the same oil producer, is part of a waterflooding project to boost secondary recovery. Based on the dual concentric completion (DCC) concept, this novel solution integrates an inverted flow architecture to provide the upper ESP with direct access to the lower
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