Littérature scientifique sur le sujet « RMRAFF »
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Articles de revues sur le sujet "RMRAFF"
Choopani, Yahya, Mohammad Reza Razfar, Mohsen Khajehzadeh et Mohammadreza Khosrojerdi. « Design and development of ultrasonic assisted-rotational magnetorheological abrasive flow finishing (UA-RMRAFF) process ». Applied Acoustics 197 (août 2022) : 108950. http://dx.doi.org/10.1016/j.apacoust.2022.108950.
Texte intégralGonzález-Pasayo, Ramón, et Esperanza Martínez-Romero. « Multiresistance Genes of Rhizobium etli CFN42 ». Molecular Plant-Microbe Interactions® 13, no 5 (mai 2000) : 572–77. http://dx.doi.org/10.1094/mpmi.2000.13.5.572.
Texte intégralZhu, Yuan, Wenjun Gao et Dengfeng Li. « Characterization of Generators for Multiresolution Analyses with Composite Dilations ». Abstract and Applied Analysis 2011 (2011) : 1–13. http://dx.doi.org/10.1155/2011/850850.
Texte intégralHeidarzadeh, Siamak, Mojtaba Sharifi, Hassan Salarieh et Aria Alasty. « A Novel Robust Model Reference Adaptive Impedance Control Scheme for an Active Transtibial Prosthesis ». Robotica 37, no 9 (12 mars 2019) : 1562–81. http://dx.doi.org/10.1017/s0263574719000146.
Texte intégralTakama, Yasufumi, Yu-Sheng Chen, Ryori Misawa et Hiroshi Ishikawa. « Analyzing Potential of Personal Values-Based User Modeling for Long Tail Item Recommendation ». Journal of Advanced Computational Intelligence and Intelligent Informatics 22, no 4 (20 juillet 2018) : 506–13. http://dx.doi.org/10.20965/jaciii.2018.p0506.
Texte intégralSong, X., L. Wu et G. Liu. « Unsupervised color texture segmentation based on multi-scale region-level Markov random field models ». Computer Optics 43, no 2 (avril 2019) : 264–69. http://dx.doi.org/10.18287/2412-6179-2019-43-2-264-269.
Texte intégralChen, Zhuo, Hongyu Yang et Yanli Liu. « An Order Reduction Design Framework for Higher-Order Binary Markov Random Fields ». Entropy 25, no 3 (20 mars 2023) : 535. http://dx.doi.org/10.3390/e25030535.
Texte intégralNonsa-ard, Rujira, Ploypailin Aneknan, Terdthai Tong-un, Sittisak Honsawek, Chanvit Leelayuwat et Naruemon Leelayuwat. « Telomere Length Is Correlated with Resting Metabolic Rate and Aerobic Capacity in Women : A Cross-Sectional Study ». International Journal of Molecular Sciences 23, no 21 (1 novembre 2022) : 13336. http://dx.doi.org/10.3390/ijms232113336.
Texte intégralAbdar, Moloud, et Neil Y. Yen. « Understanding regional characteristics through crowd preference and confidence mining in P2P accommodation rental service ». Library Hi Tech 35, no 4 (20 novembre 2017) : 521–41. http://dx.doi.org/10.1108/lht-01-2017-0030.
Texte intégralEvald, Paulo Jefferson Dias de Oliveira. « A Direct Discrete-Time Output Feedback-based LS-RMRAC for Grid-tied Current Control Loop of a Static 3-Wire Converter under Unbalanced Grid Voltage Conditions ». ForScience 10, no 1 (13 juillet 2022) : e00993. http://dx.doi.org/10.29069/forscience.2022v10n1.e993.
Texte intégralThèses sur le sujet "RMRAFF"
Stefanello, Márcio. « Projeto e desenvolvimento de uma fonte de potência CA trifásica a quatro fios ». Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/8441.
Texte intégralThis work presents a contribution to the study of AC Power Sources, where a prototype s development is presented. The stages that compose the system, including converter topology, filter, instrumentation and controller, are presented. The developed prototype is a three-phase four-wire source, which uses a four-leg voltage source inverter. This topology increases the flexibility for unbalanced waveforms generation or unbalanced load conditions, also simplifying the control problem of the process. This work first looks for justifying the use and the study of AC Power Sources, in this sense, some examples of tests and norms, whose tests demand its use, are given. The applications are in general related to electrical and electronic equipments and for driving electromechanical plants such as shakers. In this sense, AC Power Sources are equipment that can be used both in industry applications and didactic or research laboratories. In practically all applications, it is shown that good performance in waveforms generation is necessary. This performance is related to the ability for waveforms generation with low harmonic distortion even in conditions of variable frequency or amplitude and with nonlinear loads behavior. In this way, the use of an adequate converter topology is not enough, are too necessary controllers to guarantee performance for the system, even in adverse load conditions or in presence of unmodeled dynamics. The unmodeled dynamics are derived from some stages that compose the system, but they are generally related to the uncertainties on the model of the plant and load. Then, this work not only describes the implemented prototype and topological relative questions but also applies a Robust Model Reference Adaptive Control (RMRAC) for the plant control. This technique improves the robustness in the closed loop system even under presence of unmodeled dynamics and disturbances. The controller makes use of a Gradient type algorithm for parametric adaptation with four adapted parameters, which leads to a new error equation that is used for the controller s implementation
Este trabalho apresenta uma contribuição ao estudo de Fontes de Potência CA onde é apresentado o desenvolvimento de um protótipo. Os diversos estágios que compõem o sistema, desde a topologia do conversor, do filtro, da instrumentação e do controlador são apresentados e analisados. O protótipo desenvolvido é uma fonte trifásica a quatro fios, que utiliza um inversor de tensão de quatro braços. Esta topologia permite uma maior flexibilidade na geração de formas de onda desbalanceadas ou em condições de cargas desequilibradas, simplificando também o problema de controle do sistema. Este trabalho procura primeiramente justificar a utilização e o estudo de Fontes de Potência CA, neste sentido são dados alguns exemplos de ensaios e normas, cujos testes demandam a sua utilização. As aplicações são em geral relacionadas a equipamentos eletroeletrônicos e acionamento de outras plantas como vibradores eletromecânicos. Deste modo, as Fontes de Potência CA são equipamentos que podem ser utilizados tanto na indústria quanto em laboratórios didáticos e de pesquisa. Em praticamente todas as aplicações, é mostrado que um bom desempenho na geração de formas de onda é necessário. Este desempenho está relacionado à capacidade de geração de formas de onda com baixa distorção harmônica, não raro, em condições de freqüência e amplitude variáveis e com cargas de comportamento não-linear. Deste modo, a seleção de uma topologia de conversor adequado não basta, são também necessários controladores que garantam um bom desempenho do sistema, mesmo em condições adversas de carga e em presença de dinâmicas não-modeladas. As dinâmicas não-modeladas são oriundas das várias etapas que compõem o sistema, mas geralmente são relacionadas às incertezas sobre o modelo da planta e da carga. Neste sentido, este trabalho descreve não apenas o protótipo implementado e questões topológicas relativas a ele, mas também aplica um Controle Robusto por Modelo de Referência ou RMRAC (Robust Model Reference Adaptive Control) para o controle da planta. Esta técnica garante robustez do sistema em malha fechada mesmo na presença de dinâmicas não modeladas e distúrbios. O controlador utilizado faz uso de um algoritmo de adaptação paramétrica do tipo Gradiente, no qual quatro parâmetros são adaptados. Este fato leva a uma nova equação do erro, que é utilizada para a implementação do controlador.
SHARMA, VIPIN KUMAR. « Modeling and Analysis of Rotational Magnetorheological Abrasive Flow Finishing Process ». Thesis, 2015. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14308.
Texte intégralMr. M.S. NIRANJAN (Asst. Professor) Mechanical Engineering Department Delhi College of Engineering, Delhi
高佳萍. « Phospholipids Based Formulations for Skin Permeation of Niacinamide ». Thesis, 2004. http://ndltd.ncl.edu.tw/handle/rmry7f.
Texte intégral國立清華大學
化學工程學系
92
The influence of phospholipids based formulations on the in vitro percutaneous penetration of niacinamide was examined using abdominal skin of Wistar mouse mounted on Franz-type diffusion chamber. Transepidermal permeation through excised mouse skin and skin deposition of niacinamide from different formulations were assessed and compared. Liposome in water solution did not enhance the skin permeability of niacinamide, but when ethanol (20% v/v) was present in the donor with SPC-vitE or SPC-sc, permeability of niacinamide was increased. Liposome size and entrapment efficiency were determined. The encapsulation efficiency of niacinamide was found to be very low, however, the amount of absorbed niacinamide was nearly independent of the encapsulation and the vesicle size. Based on the results obtained, liposome components in solution have additive effect with a possible synergism in some cases.
Livres sur le sujet "RMRAFF"
1945-, Brown Thomas C., et Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), dir. Analysis of ratings : A guide to RMRATE. Fort Collins, Colo. (240 W. Prospect St., Fort Collins 80526) : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990.
Trouver le texte intégralChapitres de livres sur le sujet "RMRAFF"
Z., Rodrigo, Cristiane C., Rodrigo P. et Hilton A. « A RMRAC Parameter Identification Algorithm Applied to Induction Machines ». Dans Electric Machines and Drives. InTech, 2011. http://dx.doi.org/10.5772/15291.
Texte intégralActes de conférences sur le sujet "RMRAFF"
Azzolin, R. Z., et H. A. Grundling. « A RMRAC parameter identification algorithm for induction motors ». Dans 2009 Brazilian Power Electronics Conference. COBEP 2009. IEEE, 2009. http://dx.doi.org/10.1109/cobep.2009.5347686.
Texte intégralAzzolin, R. Z., R. P. Vieira, C. C. Gastaldini et H. A. Grundling. « A RMRAC parameter identification algorithm applied to SPIM ». Dans 2010 XIX International Conference on Electrical Machines (ICEM). IEEE, 2010. http://dx.doi.org/10.1109/icelmach.2010.5607996.
Texte intégralde Oliveira, Douglas D., et Hilton A. Grundling. « VS-RMRAC speed vector control for Permanent Magnet Synchronous Motors ». Dans 2011 Brazilian Power Electronics Conference (COBEP 2011). IEEE, 2011. http://dx.doi.org/10.1109/cobep.2011.6085320.
Texte intégralB. da Silveira, Wagner, Deise M. C. Milbradt, Guilherme V. Hollweg, Paulo J. D. O. Evald, Rodrigo V. Tambara et Hilton A. Gründling. « A New Discrete-Time Robust Adaptive Predictive Control-Based RMRAC Applied to Grid Connected Converters With LCL-Filter ». Dans Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1752.
Texte intégralTambara, Rodrigo V., Fabricio H. Dupont, Leandro Della Flora et Hilton A. Grundling. « Digital implementation of a RMRAC controller using Z Transform and Delta Transform ». Dans 2011 Brazilian Power Electronics Conference (COBEP 2011). IEEE, 2011. http://dx.doi.org/10.1109/cobep.2011.6085280.
Texte intégralHollweg, Guilherme V., Paulo J. D. de O. Evald, E. Mattos, L. C. Borin, R. V. Tambara et V. F. Montagner. « Optimized Parameters Initialization of a RMRAC Controller Applied to Grid-Connected Converters ». Dans 2022 14th Seminar on Power Electronics and Control (SEPOC). IEEE, 2022. http://dx.doi.org/10.1109/sepoc54972.2022.9976451.
Texte intégralCamara, H. T., et H. A. Grundling. « A MRLS with RMRAC applied to encoderless speed control without time rotor dependence ». Dans 31st Annual Conference of IEEE Industrial Electronics Society, 2005. IECON 2005. IEEE, 2005. http://dx.doi.org/10.1109/iecon.2005.1569108.
Texte intégralCamara, H. T., et H. A. Grundling. « A RMRAC applied to speed control of an induction motor without shaft encoder ». Dans 2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601). IEEE, 2004. http://dx.doi.org/10.1109/cdc.2004.1429448.
Texte intégralEvald, Paulo J. D. O., Guilherme V. Hollweg, E. Mattos, L. C. Borin, R. V. Tambara et V. F. Montagner. « A Least-Square-based RMRAC for Grid-tied Voltage Source Inverters with LCL Filter ». Dans 2022 14th Seminar on Power Electronics and Control (SEPOC). IEEE, 2022. http://dx.doi.org/10.1109/sepoc54972.2022.9976427.
Texte intégralHOLLWEG, GUILHERME VIEIRA, PAULO JEFFERSON DIAS DE OLIVEIRA EVALD, EVERSON MATTOS, RODRIGO VARELLA TAMBARA et HILTON ABíLIO GRüNDLING. « A Discrete RMRAC-STSM Controller for Current Regulation of Three-Phase Grid-Tied Converters with LCL filter ». Dans Seminar on Power Electronics and Control (SEPOC 2021). sepoc, 2021. http://dx.doi.org/10.53316/sepoc2021.033.
Texte intégralRapports d'organisations sur le sujet "RMRAFF"
Brown, Thomas C., Terry C. Daniel, Herbert W. Schroeder et Glen E. Brink. An analysis of ratings : A guide to RMRATE. Ft. Collins, CO : U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990. http://dx.doi.org/10.2737/rm-gtr-195.
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