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Journal articles on the topic 'Contrôle du point de commutation'

Author: Grafiati

Published: 16 November 2024

Last updated: 19 July 2025

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1

Wan, Shaoqi, Bo Wang, Jingbo Chen, Haiying Dong, and Congxin Lv. "Model Predictive Control Strategy Based on Loss Equalization for Three-Level ANPC Inverters." Actuators 13, no. 3 (2024): 111. http://dx.doi.org/10.3390/act13030111.

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Targeting the issue of high losses of individual switching tubes in Neutral-Point Clamped (NPC) three-level inverters, an Active Neutral-Point Clamped (ANPC) three-level inverter is used, and a model predictive control strategy using the loss equalization of the inverter is proposed. This method organizes and analyzes multiple zero-state current pathway commutation modes and adds mode three under the original two commonly used zero-state commutation modes. On this basis, the three modes are flexibly switched by model predictive control, and the output is optimized according to the value functi

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2

Li, Xiaokun, Song Wang, and Lidong Xia. "Analysis of Inverter Circulating Current and Magnetic Potential for Flux-Weakening Drive of BLDCM." Electronics 12, no. 11 (2023): 2450. http://dx.doi.org/10.3390/electronics12112450.

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The permanent magnet brushless DC motor (BLDCM) is typically controlled using the six-step commutation method, and the flux-weakening method is employed to enable the motor to operate at speeds higher than the base speed. Currently, it is considered that the weak magnetic angle range is 0-pi/3, while the range for deep weakening is pi/3-pi/2. In field-weakening control, a forward shift of the commutation point results in a circulating current flowing in the three-phase bridge of the inverter and the stator winding of the motor. This paper analyses the principle of the circulating current forme

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3

Scholtz, Pieter Antonie, and Michael Njoroge Gitau. "Asymmetric Neutral Point Diode Clamped Topology with Reduced Component Count for Switched Reluctance Machine Drive." Energies 15, no. 7 (2022): 2468. http://dx.doi.org/10.3390/en15072468.

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The Reduced Asymmetric Neutral Point Clamped converter topology for unipolar driven, multiphase switched reluctance machines is proposed in this paper. This topology shares similarities with the conventional NPC and Asymmetric-NPC topologies, however it is unique in that the components for the capacitor string and outer semiconductor switches are shared among all the phases for a reduced component count. Some switching state combinations are not possible during commutation overlap between motor phases, resulting in minor torque transients during regenerative braking. A custom modulation scheme

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4

Khadija, Sabri, El Maguiri Ouadia, and Farchi Abdelmajid. "Tracking the GMPP of a solar photovoltaic water pumping system with an SMC controller in partial shading conditions." Bulletin of Electrical Engineering and Informatics 12, no. 6 (2023): 3298–310. http://dx.doi.org/10.11591/eei.v12i6.5504.

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The focus of this paper will be on the development of a photovoltaic (PV) pumping system that employs a DC-DC boost converter as an intermediate power conditioning unit in a centrifugal water pump powered by a brushless DC (BLDC) motor supplied by a solar photovoltaic panel (SPV). This work describes a particle swarm optimization (PSO) maximum power point tracking (MPPT) method compared with the gray wolf optimizer (GWO) method that are closed-loop with a sliding mode controller (SMC) in order to control the operational point of a solar PV in partial shading conditions (PSC), the DC-DC boost c

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Brandis, Andrej, Denis Pelin, Zvonimir Klaić, and Damir Šljivac. "Identification of Even-Order Harmonics Injected by Semiconverter into the AC Grid." Energies 15, no. 5 (2022): 1614. http://dx.doi.org/10.3390/en15051614.

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In this study, the feedback effects of a three-phase half-controlled rectifier (also known as a semiconverter) to three-phase AC power grid was analyzed. Special attention was paid to the identification of harmonic order of the phase current. As a reference point for analysis, the mathematical model of an uncontrolled rectifier was used. The harmonic order of the phase current was identified by displaying the measurement results as well as using a mathematical model that is easily applicable, although this is unusual for harmonic analysis because it is based on time domain data. For this purpo

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6

Benbouhenni, Habib. "Commande DTC cinq niveaux à 24 secteurs basée sur les réseaux de neurones de la MAS de forte puissance." Journal of Renewable Energies 21, no. 3 (2018): 373–84. http://dx.doi.org/10.54966/jreen.v21i3.696.

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Dans cet article, nous présentons une commande de type contrôle direct du couple (DTC) basée sur les réseaux de neurones de la machine asynchrone de forte puissance (1 MW) alimentée par onduleur NPC de tension à cinq niveaux (DTC-5N). La commande DTC classique présente plusieurs inconvénients, tels que l’obtention d’une fréquence de commutation variable, les ondulations du couple et du flux, les fluctuations des puissances et les harmoniques des courants dans le régime transitoire et permanent, à cause de l’utilisation des comparateurs à hystérésis et les tableaux de commutation. Pour cela, no

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7

Li, Xinmin, Guoqiang Jiao, Qiang Li, Wei Chen, Zhen Zhang, and Guozheng Zhang. "A Position Sensorless Control Strategy for BLDCM Driven by FSTPI Based on Flux-Linkage Function." World Electric Vehicle Journal 13, no. 12 (2022): 238. http://dx.doi.org/10.3390/wevj13120238.

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This paper presents a new position sensorless control strategy for a brushless DC motor (BLDCM) driven by a four-switch three-phase inverter (FSTPI). This strategy introduces a flux-linkage function, which changes obviously at the time of the extremum jump. In the proposed strategy, the extremum jump edge determines the six commutation points needed for motor commutation. Then the high-precision and reliable commutation of the BLDCM is realized. This strategy can be used on BLDCM driven by FSTPI. Compared with other position sensorless control methods for BLDCM driven by FSTPI, the proposed me

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8

Bolaños-Navarrete, Mario Andrés, Juan David Bastidas-Rodríguez, and Gustavo Osorio. "A Hybrid Commutation Technique for Reducing Zero-Crossing Distortion in a Sliding Mode Controller for Single-Phase Grid-Tied Full-Bridge Inverters." Energies 17, no. 15 (2024): 3671. http://dx.doi.org/10.3390/en17153671.

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This paper presents a single-phase Full-Bridge (FB) inverter with a hybrid commutation technique designed to reduce the harmonic distortion caused by the loss of the controller capability around the zero-crossing point in the unipolar commutation region. The hybrid modulation changes from unipolar to bipolar commutation under the loss of the reference control, improving the robustness and efficiency of the method. The commutation technique improves the switching performance and reduces the switching losses. Simulation models are developed in MATLAB/Simulink R2023b to evaluate their performance

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9

Mihaita, Simona, and Stéphane Mocanu. "Simulation en temps continu pour la commande orientée événements des systèmes stochastiques à commutation. Modélisation, contrôle et simulation des systèmes stochastiques à commutation." Journal Européen des Systèmes Automatisés 45, no. 1-3 (2011): 157–72. http://dx.doi.org/10.3166/jesa.45.157-172.

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10

Depecker, Loïc. "Cinq notions de télédétection aérospatiale : un exemple de structuration d’un champ terminologique." Meta 34, no. 2 (2002): 280–84. http://dx.doi.org/10.7202/002537ar.

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Résumé Le point de départ de la structuration du champ terminologique est le problème posé par le terme angloaméricain ground control point dans le domaine de la télédétection aérospatiale. Le calque courant point de contrôle est en fait l'équivalent français avec point de vérification, de checkpoint. Ce mauvais usage du terme point de contrôle incite à définir rigoureusement les concepts français auxquels correspond ground control point: point d'appui et point de canevas, termes correspondant à deux notions distinctes par lesquelles ground control point se traduit en français; point de repère

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11

Batton, Romain, Paul Matte, Michael Aoun, Auréline Lefèvre, and Pierre-Emmanuel Joubert. "Inhibiteurs de point de contrôle immunitaire." médecine/sciences 40, no. 6-7 (2024): 581–83. http://dx.doi.org/10.1051/medsci/2024076.

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12

Guo, Yongwu, Yun Zhang, and Xiaowei Li. "Position Correction Control of Permanent-Magnet Brushless Motor Based on Commutation-Interval Current Symmetry." World Electric Vehicle Journal 15, no. 5 (2024): 203. http://dx.doi.org/10.3390/wevj15050203.

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With the needs of environmental protection and the adjustment of energy structure, new energy vehicles are playing an increasingly important role in the field of transportation today. The permanent-magnet brushless direct-current motor has the characteristics of high efficiency, and can be used in the drive system of new energy vehicles or other auxiliary equipment. In the control process of the permanent-magnet brushless direct-current motor, based on a three-Hall position sensor, due to various factors, there are some errors in the Hall position signal, which must be corrected by appropriate

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13

Baudry, Bernard. "Le contrôle dans la relation d’emploi : approches économiques et organisationnelles de la dualité autonomie-contrôle." Économie appliquée 51, no. 3 (1998): 77–104. http://dx.doi.org/10.3406/ecoap.1998.1668.

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The aim of this paper is to analyse, from a theoretical and empirical point of view, the control in the employment relationship. For this, we confront two economic theories of the firm, agency theory and transaction cost economics, with sociological theory of organizations, linked regulation theory. From a common starting point of view, the worker discretion, these three theories disagree when they study the organizational design. These theories provide in fact complementaries explications of the duality autonomy-control in the employment relationship.

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14

Bonnefoy, Nathalie, Daniel Olive, and Bernard Vanhove. "Les futures générations d’anticorps modulateurs des points de contrôle de la réponse immunitaire." médecine/sciences 35, no. 12 (2019): 966–74. http://dx.doi.org/10.1051/medsci/2019193.

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Les points de contrôle du système immunitaire sont des systèmes moléculaires qui complètent les processus déclenchés par la reconnaissance antigénique en contrôlant l’inhibition ou l’activation des lymphocytes et des cellules myéloïdes, notamment celle des lymphocytes T régulateurs (Treg), permettant ainsi de combiner réponses immunes et maintien de la tolérance au soi. En cancérologie, l’inhibition de points de contrôle inhibiteurs vise à amplifier les réponses immunitaires existantes dirigées contre les tumeurs. Parmi ces points de contrôle inhibiteurs, dont des antagonistes sont en utilisat

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15

GRANT, Judith, and Peta E. TANCRED. "Un point de vue féministe sur la bureaucratie étatique." Sociologie et sociétés 23, no. 1 (2002): 201–14. http://dx.doi.org/10.7202/001308ar.

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Résumé Les perspectives existantes sur l'étude de la bureaucratie d'État ne tiennent pas compte du sexe. Cet article propose donc une approche féministe, mettant en valeur la "structure double de la représentation inégale". Cette approche reconnaît la structure de la représentation des questions concernant la femme au sein de groupes en particulier, mais souligne qu'une telle représentation s'emboîte dans une deuxième structure qui résulte des positions de "contrôle auxiliaire" de la femme dans le contexte de la production/reproduction. Cette dernière structure garantit que les. femmes se retr

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16

Saha, Sunam, Debjyoti Chowdhury, Madhurima Chattopadhyay, and Moumita Mukherjee. "A novel technique for torque ripple suppression in BLDC motor drive using switched capacitor based SEPIC converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 15, no. 1 (2024): 27. http://dx.doi.org/10.11591/ijpeds.v15.i1.pp27-34.

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This article reports a strategy for suppressing commutation torque ripple has been proposed by modifying a SEPIC converter using switched capacitor. The torque ripple generated during the commutation period is one of the main disadvantages of a brushless DC (BLDC) motor. The cause for the torque ripple in brushless DC motor has been mathematically analyzed in this work. Henceforth, a modified switched-capacitor based DC-DC converter has been proposed for integration with BLDC drive. Moreover, a theoretical analysis of the relationship has been established between the duty ratio of the DC-DC co

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17

Sunam, Saha, Chowdhury Debjyoti, Chattopadhyay Madhurima, and Mukherjee Moumita. "A novel technique for torque ripple suppression in BLDC motor drive using switched capacitor based SEPIC converter." A novel technique for torque ripple suppression in BLDC motor drive using switched capacitor based SEPIC converter 15, no. 1 (2024): 27–34. https://doi.org/10.11591/ijpeds.v15.i1.pp27-34.

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This article reports a strategy for suppressing commutation torque ripple has been proposed by modifying a SEPIC converter using switched capacitor. The torque ripple generated during the commutation period is one of the main disadvantages of a brushless DC (BLDC) motor. The cause for the torque ripple in brushless DC motor has been mathematically analyzed in this work. Henceforth, a modified switched-capacitor based DC-DC converter has been proposed for integration with BLDC drive. Moreover, a theoretical analysis of the relationship has been established between the duty ratio of the DC-DC co

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18

Mira, Christian, and Clara Gracio. "On the Embedding of a (p-1)-Dimensional Noninvertible Map into a p-Dimensional Invertible Map (p=2,3)." International Journal of Bifurcation and Chaos 13, no. 07 (2003): 1787–810. http://dx.doi.org/10.1142/s0218127403007631.

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This paper concerns the description of some properties of p-dimensional invertible real maps Tb, turning into a (p-1)-dimensional noninvertible ones T0, p=2,3, when a parameter b of the first map is equal to a critical value, say b=0. Then it is said that the noninvertible map is embedded into the invertible one. More particularly, properties of the stable, and the unstable manifolds of a saddle fixed point are considered in relation with this embedding. This is made by introducing the notion of folding as resulting from the crossing through a commutation curve when p=2, or a commutation surfa

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19

ISHIKAWA, SUMIO, TADASHI MIYAZAKI, KAZUYOSHI YAMAMOTO, and MOTOWO YAMANOBE. "HOW TO CONSTRUCT A COORDINATE REPRESENTATION OF A HAMILTONIAN OPERATOR ON A TORUS." International Journal of Modern Physics A 11, no. 18 (1996): 3363–77. http://dx.doi.org/10.1142/s0217751x96001607.

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The dynamical system of a point particle constrained on a torus is quantized à la Dirac with two kinds of coordinate systems respectively; the Cartesian and toric coordinate systems. In the Cartesian coordinate system, it is difficult to express momentum operators in coordinate representation owing to the complication in structure of the commutation relations between canonical variables. In the toric coordinate system, the commutation relations have a simple form and their solutions in coordinate representation are easily obtained with, furthermore, two quantum Hamiltonians turning up. A probl

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20

Bacci, Bernard. "Réinventer le contrôle fiscal des entreprises dans la nouvelle relation de confiance ? Point de vue d’un directeur fiscal." Revue française de finances publiques N° 153, no. 1 (2021): 105–15. https://doi.org/10.3917/rffp.153.0105.

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Cet article tente de déplacer le débat sur le contrôle fiscal sur un terrain autre que celui du bien et du mal, de la transparence et de l’opacité, des gentils et des méchants, en présentant quelques propositions au service d’une « réinvention » du contrôle fiscal.

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21

Triolo, Salvatore. "CQ *-algebras of measurable operators." Moroccan Journal of Pure and Applied Analysis 8, no. 2 (2022): 279–85. http://dx.doi.org/10.2478/mjpaa-2022-0019.

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Abstract We study, from a quite general point of view, a CQ*-algebra (X, 𝖀0) possessing a sufficient family of bounded positive tracial sesquilinear forms. Non-commutative L 2-spaces are shown to constitute examples of a class of CQ*-algebras and any abstract CQ*-algebra (X, 𝖀0) possessing a sufficient family of bounded positive tracial sesquilinear forms can be represented as a direct sum of non-commutative L 2-spaces.

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22

Godin, Laurence. "Entre plaisir et contrôle." Ethnologies 33, no. 2 (2013): 69–97. http://dx.doi.org/10.7202/1015026ar.

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Cet article traite du lien qui existe entre les habitudes alimentaires et les discours normatifs sur l’alimentation. La notion d’équilibre est le point central autour duquel s’organise l’opposition entre plaisir et contrôle. Les conclusions tirées de cet article proviennent d’une série d’entretiens menés auprès d’individus qui font de l’entraînement physique sur une base régulière. Pour eux, l’équilibre s’obtient par les pratiques alimentaires, mais surtout par la mise en oeuvre du dosage entre plaisir et contrôle. Selon l’auteur, le lien social est la pierre angulaire de cet équilibre et son

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23

Barreault, Samuel. "Le point de vue du comptable." Gestion & Finances Publiques, no. 4 (July 2023): 54–61. http://dx.doi.org/10.3166/gfp.2023.4.008.

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La réforme de la responsabilité des gestionnaires publics apporte des évolutions positives, même si des interrogations subsistent. L’enjeu consiste à faire évoluer les pratiques en interne, à accompagner les ordonnateurs en développant la culture de la maîtrise des risques et du contrôle interne, à promouvoir des organisations plus intégrées et à mobiliser de nouveaux outils.

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24

Zhou, Xinxiu, Yongping Zhou, Cong Peng, Fanquan Zeng, and Xinda Song. "Sensorless BLDC Motor Commutation Point Detection and Phase Deviation Correction Method." IEEE Transactions on Power Electronics 34, no. 6 (2019): 5880–92. http://dx.doi.org/10.1109/tpel.2018.2867615.

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25

Gundala, Srinivasa Rao, Tellapati Anuradha Devi, K. Sarada, et al. "Enhancing the solar water pumping efficiency through Beta MPPT method-controlled drive." Transactions on Energy Systems and Engineering Applications 5, no. 1 (2024): 1–13. http://dx.doi.org/10.32397/tesea.vol5.n1.568.

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This paper presents an innovative approach to achieve efficient solar water pumping through the integration of a Photovoltaic (PV) array and a Brushless Direct Current (BLDC) motor water pumping system. The system incorporates a Voltage Source Converter (VSC) with six switches, utilized to facilitate commutation. The inherent solar radiation is harnessed by the PV array, capitalizing on its renewable nature to generate electricity. By dynamically adjusting the switching states of the six VSC switches, the speed of the BLDC motor is modulated in response to the varying levels of available solar

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26

Wei, Wei, and Xiao Ying Zhao. "Design of an Intelligent Point-to-Point Swing Arm Controller." Advanced Materials Research 706-708 (June 2013): 712–15. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.712.

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The point-to-point swing arm test is very important for large arms which have swing arm movement. Traditional point-to-point swing arm controller is relay control mode. The mode has many shortcomings, such as big volume, high power consumption, low stability, and so on. An intelligent point-to-point swing arm controller, using MCU as the control core, was designed for this reason. It was mainly composed of switch signal detecting module, solenoid valve drive module, USB storage interface module and MCU control module. According to the requirements of test, the controller was able to detect the

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27

BAAQUIE, BELAL E., and KOK KEAN YIM. "POINT-SPLITTING REGULARIZATION IN (SUPER)CONFORMAL FIELD THEORY." International Journal of Modern Physics A 14, no. 18 (1999): 2887–904. http://dx.doi.org/10.1142/s0217751x99001408.

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The method of point-splitting regularization is applied on the two-dimensional (super)conformal field theory. This method is first used to regularize the fermionic conformal field theory and then the N=1 superconformal field theory. We obtain the correct central extensions for the conformal algebra and the N=1 superconformal algebra. We arrived at these results only after some nontrivial, but exact, cancelations among all the singular terms, as required by the consistency of the point-splitting method. In the course of our analysis, we rederive Wick's Theorem directly from the commutation equa

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28

LeBel, Louis. "De Dunsmuir à Khosa." McGill Law Journal 55, no. 2 (2010): 311–27. http://dx.doi.org/10.7202/045087ar.

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L’exercice du contrôle judiciaire en droit administratif canadien a récemment été réexaminé par la Cour suprême du Canada dans le cadre des arrêts Dunsmuir c. Nouveau Brunswick et Canada (Ministère de la Citoyenneté et de l’Immigration) c. Khosa. L’auteur se penche sur l’impact de ces deux décisions à la lumière des raisons qui ont poussé la Cour à modifier certains aspects fondamentaux du contrôle judiciaire. L’auteur évalue d’abord l’impact de l’arrêt Dunsmuir par rapport à l’équité procédurale, un aspect souvent négligé de cette décision de la Cour. L’auteur présente ensuite un commentaire

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29

Hassaine, Linda, Issam Abadlia, Antar Beddar, Fateh Abdoune, and Mohamed Rida Bengourina. "Contrôle Avancé des Onduleurs Photovoltaïques Connectés au Réseau." Journal of Renewable Energies 24, no. 2 (2021): 181–201. http://dx.doi.org/10.54966/jreen.v24i2.980.

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L’énergie solaire photovoltaïque (PV) est parmi les énergies renouvelables la plus utilisée pour la production de l’énergie électrique. Le point le plus important en ce qui concerne l'intégration des systèmes photovoltaïques au réseau est le convertisseur de puissance, notamment les onduleurs qui ne sont pas tout à fait capables de fonctionner en mode avancé. Les nouvelles techniques en développement permettent d'améliorer les performances des onduleurs en assurant l'intégration correcte des systèmes photovoltaïques en tenant compte des caractéristiques du réseau. D’où, des exigences pour le c

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BERGERON, Gérard. "Pouvoir, contrôle et régulation." Sociologie et sociétés 2, no. 2 (2002): 227–48. http://dx.doi.org/10.7202/001043ar.

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Résumé L'auteur, politologue, s'élève contre cette tendance des sciences psycho-sociologiques d'importer cette " marchandise " douteuse de la science politique : le concept de pouvoir ou Pouvoir. Il en fait une critique serrée du point de vue de la science politique, où ce concept est en train de sombrer dans le discrédit. Comme c'est son aspect relationnel qui intéresse vraiment les sciences humaines, l'auteur propose de substituer à ce concept taré, selon le cas, les contextes ou les projets, des synonymes moins décevants : autorité, puissance, contrôle (distingué de la contrainte), régulati

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Liu, Guo Xin, Shu Long Liu, and Er Jing Bai. "Design of Manipulator Data Commutation System Based on PLC." Advanced Materials Research 1049-1050 (October 2014): 855–58. http://dx.doi.org/10.4028/www.scientific.net/amr.1049-1050.855.

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The method to realize the communication between PC and SIEMENS S7-200 series PLC is introduced through MSComm ActiveX and RS-232 serial communication protocol under VB development environment, and it is explained that the application of this way in the control system of the manipulator in detail. The focal point of introduction is about the function setting of special registers and MSComm ActiveX on VB under free-port communication in PLC, and the way to write program is described to realize receiving and sending the data of PLC.

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32

Langer, Nitin, Abdul Hamid Bhat, and Pramod Agarwal. "Innovative Switching Sequences for Sensorless Capacitor Voltage Balancing of Three-Phase NPC Rectifier." International Journal of Emerging Electric Power Systems 15, no. 1 (2014): 1–11. http://dx.doi.org/10.1515/ijeeps-2013-0139.

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Abstract This paper presents a modulation strategy for self-balancing of capacitor voltages of three-phase neutral-point clamped bi-directional rectifier (without feedback controller and sensors). It is identified that regions within a sector are divided into two categories: (a) One small vector among three selected vectors and (b) Two small vectors among three selected vectors. For category (a) positive and negative commutation state of small vector is implemented for equal duty cycle but for category (b) positive and negative commutation state of small vectors is implemented for unequal duty

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33

Zuniga, Ricardo B. "La recherche-action et le contrôle du savoir." La recherche-action : enjeux et pratiques, no. 5 (January 29, 2016): 35–44. http://dx.doi.org/10.7202/1034874ar.

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La recherche-action est l’expression des limites et des contraintes imposées au processus scientifique par son insertion dans les rapports socio-politiques. En tant que réalité sociale concrète, la valeur de la recherche-action est d’être un analyseur d’une conscience croissante des enjeux du contrôle du savoir. La recherche-action n’est pas une nouvelle approche de la science ni une nouvelle méthodologie. Elle n’est novatrice du point de vue scientifique que lorsqu’elle est novatrice du point de vue socio-politique, c’est-à-dire quand elle cherche à replacer le contrôle du savoir entre les ma

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Fergusson, Ewen. "Europe communautaire et contrôle démocratique : un point de vue britannique." Politique étrangère 55, no. 2 (1990): 409–16. http://dx.doi.org/10.3406/polit.1990.3954.

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35

Faviez, G., E. Bousquet, A. Rabeau, et al. "Granulomatose sarcoïdosique survenant sous inhibiteurs de point de contrôle immunitaire." Revue des Maladies Respiratoires 35, no. 9 (2018): 963–67. http://dx.doi.org/10.1016/j.rmr.2018.08.003.

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SINGLETON, D. "GLUEBALL SPIN." Modern Physics Letters A 16, no. 01 (2001): 41–51. http://dx.doi.org/10.1142/s0217732301002845.

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The spin of a glueball is usually taken as coming from the spin (and possibly the orbital angular momentum) of its constituent gluons. In light of the difficulties in accounting for the spin of the proton from its constituent quarks, the spin of glueballs is re-examined. The starting point is the fundamental QCD field angular momentum operator written in terms of the chromoelectric and chromomagnetic fields. First, we look at the possible restrictions placed on the structure of glueballs from the requirement that the QCD field angular momentum operator should satisfy the standard commutation r

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Hemalatha, N., and S. Nageswari. "A New Approach of Position Sensorless Control for Brushless DC Motor." Current Signal Transduction Therapy 15, no. 1 (2020): 65–76. http://dx.doi.org/10.2174/1574362413666180713092948.

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Background: Position sensorless control technique for Permanent Magnets-Brush Less Direct Current (PM-BLDC) motor drive is considered in this paper. Materials and Methods: A new estimation based on sensorless technique is proposed for PMBLDC motor. Artificial Neural Network (ANN) is aided for the purpose. Results: The inputs to the ANN are the voltages of PM-BLDC motor and it estimates the sample signals to feed Zero Crossing Point (ZCP) detection circuit. The ZCP detection circuit provides ZCP signals for commutation logic which gives the commutation sequence to power switches. In order to pr

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Wang, Dezheng. "The Reconstruction Logic and Institutional Realization of the Substantiation of Court Hearings in China's Commutation of Sentence and Parole Cases." International Journal of Social Science Studies 11, no. 3 (2023): 1. http://dx.doi.org/10.11114/ijsss.v11i3.6005.

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The manuscript discusses the importance of sentence commutation and parole cases as an essential stage in the execution of criminal judgments, related to both judicial justice and trial authority. To clarify this issue, this article mainly adopts a literature research method to systematically review the research on China's establishment of parole and commutation since its inception, and uses case studies to provide examples to illustrate the existing situations.The author argues that substantive hearings for these cases can remove the issue of "paper-pushing" and strengthen procedural justice,

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Quemener, Yann, and Eric Fimbel. "Régulation autonome et régulation de contrôle dans le processus d’appropriation des outils de gestion : identification de six modes d’articulation." Management international 19, no. 2 (2015): 259–73. http://dx.doi.org/10.7202/1030399ar.

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Cette recherche explore les composantes de la relation « autonomie-contrôle » dans le processus d’appropriation des outils de gestion (ODG). Elle mobilise la théorie de la régulation sociale (TRS) de Reynaud (1999, 2003, 2004) et s’appuie sur une étude empirique quantitative, menée auprès des membres de la DFCG1. L’analyse des résultats via le prisme de la TRS permet d’identifier six classes contribuant à une meilleure compréhension des modes d’articulation entre régulations de contrôle et autonomes, tant du point de vue des formes de compromis que de celui des voies d’échange.

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PIERRET, C., Y. ASENCIO, B. MOUGEOT, R. MELAINE, and P. BALANDRAUD. "Les traumatismes jonctionnels en situation de guerre." Médecine et Armées Vol. 42 No. 4, Volume 42, Numéro 4 (October 1, 2014): 291–98. http://dx.doi.org/10.17184/eac.7037.

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En situation de guerre, les traumatismes des racines de membres, appelés « traumatismes jonctionnels », sont responsables de près d’un quart des décès évitables. Cette gravité est liée aux difficultés de leur traitement en urgence, notamment en ce qui concerne le contrôle de l’hémorragie. L’objectif de cette mise au point est de faire connaître les principes de leur prise en charge à l’avant, ainsi que les techniques chirurgicales de contrôle de l’hémostase applicables dans les structures chirurgicales de niveau 2 et 3. Mots-clés : Chirurgie de guerre. Traumatismes balistiques. Traumatismes va

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Enesco, Hildegard E. "Genetic Control of the Aging Process: A Review and Interpretation." Canadian Journal on Aging / La Revue canadienne du vieillissement 15, no. 1 (1996): 16–30. http://dx.doi.org/10.1017/s0714980800013258.

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RÉSUMÉLe processus de vieillissement est sous contrôle génétique. Le point de vue traditionnel, dérivé de la biologie évolutive, est que le vieillissement est un trait polygénique, contrôlé par un grand nombre de gènes, chacun avec un effet additif. Un autre point de vue est développé ici, en ajoutant qu'il y a un nombre limité de gènes importants dans le contrôle du vieillissement. Ces derniers peuvent inclure les gènes protecteurs qui assurent l'exactitude de la synthèse de protéines et aussi les gènes qui servent à activer ou à retarder le processus de vieillissement. On continue à développ

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Buysse, Alexandre A. J. "Contrôle attentionnel lors des régulations. Une autre manière de concevoir l’attention exigée durant les apprentissages." Swiss Journal of Educational Research 37, no. 3 (2018): 503–26. http://dx.doi.org/10.24452/sjer.37.3.4965.

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De nombreux travaux explorent le travail cognitif qui se déroule hors contrôle attentionnel de l’apprenant, notamment d’un point de vue développemental. Les régulations dont l’apprenant n’a pas conscience semblent jouer un rôle important dans la compréhension et les mises en liens avec la matière précédemment appropriée. Elles ont aussi un rôle fondamental dans la résolution de problèmes. Toutefois, la plupart des démarches didactiques exigent de la part des élèves une concentration lors de la pratique en classe et une explicitation de leurs démarches, ainsi qu’une pratique immédiatement après

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Toutain, Pierre-Louis, and Aude Ferran. "Lutte contre le dopage et contrôle des médications chez le cheval de course et de sport : origine et mise en oeuvre des informations fournies aux prescripteurs pour un usage raisonné des médicaments." Le Nouveau Praticien Vétérinaire équine 14, no. 53 (2021): 15–20. http://dx.doi.org/10.1051/npvequi/53015.

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En France, le contrôle antidopage et le contrôle des médications chez les chevaux de course et de sport obéissent à des principes qui sont similaires. Cet article explique la démarche scientifique dite Pharmacocinétique / Pharmaco-dynamique (PK/PD) qui a été adoptée pour déterminer les concentrations plasmatiques et urinaires des substances médicamenteuses qui sont considérées comme sans effet résiduel au moment des compétitions. Ces concentrations sont à la base de la sélection des valeurs de criblage analytique, c’est-à-dire des concentrations plasmatiques ou urinaires conduisant à la positi

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Arnhold, Valerie. "« L’indépendance » en question. la construction d’une autonomie relative des organisations nucléaires face au politique en France (1986-2006)." Entreprises et histoire 114, no. 1 (2024): 21–47. http://dx.doi.org/10.3917/eh.114.0021.

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Cet article étudie l’évolution de l’organisation du contrôle public de la filière nucléaire, de la création des premières structures supervisant l’exploitation des installations nucléaires jusqu’à l’adoption de la loi sur la transparence nucléaire créant une agence formelle (1973-2006). Fondé sur un travail d’archives du ministère de l’Environnement, ainsi que sur une enquête sur entretiens, il retrace, tout particulièrement, les différents projets – réalisés ou abandonnés – de réforme organisationnelle du contrôle entrepris à la suite de l’accident de Tchernobyl en 1986. L’article montre à qu

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Vp, Sangavi, N. Mounika, and S. Graceline Jasmine. "DISASTER RECOVERY THROUGH PREDICTION OF SAFE ROUTE USING DEM LEVELS." Asian Journal of Pharmaceutical and Clinical Research 10, no. 13 (2017): 20. http://dx.doi.org/10.22159/ajpcr.2017.v10s1.19539.

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When a disaster occurs, the normal commutation routes are disrupted. People get stuck at these disaster points and would be in trouble, hence people in those areas find it difficult to communicate and evacuation route to safe area is unknown. The aim of the paper is to predict safe routes to reach the refuge point from the disaster point. The prototype was developed using Arc geographic information system runtime SDK for Java Application and APIs in Eclipse. The system was developed with digital elevation model layer, and route layer for India basemap focused to Tamil Nadu. The safe route is f

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Zhang, Yuchen, Ruiqing Ma, Tianxing Li, and Yaoting Xue. "Commutation point correction method of sensorless BLDC motor based on back emf detection." Journal of Physics: Conference Series 1074 (September 2018): 012053. http://dx.doi.org/10.1088/1742-6596/1074/1/012053.

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Kleeman, R. "Observables in modular field thoey." Journal of the Australian Mathematical Society. Series B. Applied Mathematics 29, no. 2 (1987): 221–48. http://dx.doi.org/10.1017/s0334270000005749.

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AbstractThe observables of modular quantisation are studied from the point of view of locality. Such a study allows identification of possible Hamiltonians and also enables us to generalize the fundamental trilinear commutation relations of parafield theory. A comparison of modular field theory with a normal U(m) gauge theory, begun in an earlier publication, is completed with the conclusion that the two are equivalent except that the former has certain restrictions on its observables.

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Douat, Étienne. "Les cavaliers budgétaires dans la jurisprudence constitutionnelle récente." Gestion & Finances Publiques, no. 5 (September 2023): 6–11. http://dx.doi.org/10.3166/gfp.2023.5.002.

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Cet article fait le point sur la jurisprudence du Conseil constitutionnel relative au contrôle des règles de contenu des lois de finances. Il signale l’émergence progressive, depuis quelques années, non seulement de nombreux cavaliers budgétaires mais également de non cavaliers.

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Amrani, M. El, and A. Safouane. "Restauration d'images ultrasonores en contrôle non destructif." Canadian Journal of Physics 82, no. 8 (2004): 661–69. http://dx.doi.org/10.1139/p04-013.

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The evolution of manufacturing techniques and the required quality show the importance of noninvasive diagnostics in industrial processes. Ultrasounds are widely used for this purpose, thanks to their innocuous character and their intrinsic qualities. In later years, the amelioration of ultrasonic techniques has required a number of improvements, including image processing. The present works focuses on the improvement of lateral resolution to optimize the localization and the size of the defects. To this end, we have developped a 3-D model that describes the propagation of ultrasonic waves and

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Georges, M. "Toxicité pulmonaire de l’immunothérapie par les inhibiteurs de point de contrôle." Revue des Maladies Respiratoires Actualités 9, no. 3 (2017): 469–74. http://dx.doi.org/10.1016/s1877-1203(17)30086-1.

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