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Journal articles on the topic 'Machine à induction à six phases'

Author: Grafiati

Published: 17 November 2022

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1

Fnaiech, M. A., F. Betin, G. A. Capolino, and F. Fnaiech. "Fuzzy Logic and Sliding-Mode Controls Applied to Six-Phase Induction Machine With Open Phases." IEEE Transactions on Industrial Electronics 57, no. 1 (January 2010): 354–64. http://dx.doi.org/10.1109/tie.2009.2034285.

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2

Carvalho Souza, Francisco Elvis, Werbet Silva, Andrés Ortiz Salazar, José Paiva, Diego Moura, and Elmer Rolando Llanos Villarreal. "A Novel Driving Scheme for Three-Phase Bearingless Induction Machine with Split Winding." Energies 14, no. 16 (August 12, 2021): 4930. http://dx.doi.org/10.3390/en14164930.

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In order to reduce the costs of implementing the radial position control system of a three-phase bearingless machine with split winding, this article proposes a driving method that uses only two phases of the system instead of the three-phase traditional one. It reduces from six to four the number of inverter legs, drivers, sensors, and current controllers necessary to drive and control the system. To justify the proposal, this new power and control configuration was applied to a 250 W machine controlled by a digital signal processor (DSP). The results obtained demonstrated that it is possible to carry out the radial position control through two phases, without loss of performance in relation to the conventional three-phase drive and control system.

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3

Kianinezhad, R., B. Nahid-Mobarakeh, L. Baghli, F. Betin, and G. A. Capolino. "Modeling and Control of Six-Phase Symmetrical Induction Machine Under Fault Condition Due to Open Phases." IEEE Transactions on Industrial Electronics 55, no. 5 (May 2008): 1966–77. http://dx.doi.org/10.1109/tie.2008.918479.

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4

Iduh, Samuel E., and Silas E. Omugbe. "The design and practical implementation of a six-phase induction motor." Journal of Advances in Science and Engineering 3, no. 1 (August 1, 2020): 1–77. http://dx.doi.org/10.37121/jase.v3i1.95.

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This thesis presents a re-designed conventional three phase 5-hp squirrel cage, 4-pole, 48 slots induction motor to a six-phase induction motor (SPIM). It also presents the in-depth of a single layer winding of a three-phase motor that was re-design to the six-phase split winding layout which was practically explained to the understanding of both the engineers and the technicians who normally find it difficult with windings of electrical machines. The optimized re-designed SPIM is presented in the MATLAB/Simulink environment to perform a comparative assessment of the different phase loss scenarios of the six-phase configuration with respect to the six-phase healthy case and its conventional three-phase induction motor. The result shows a comparative benefit of the six-phase induction motor over the three-phase induction motor; in such that in the near future because of its effective way to provide a higher reliability and sustainability under the loss of phase/phases condition it will be practically applied in the power driven devices/machines like in the area of Electric Vehicles, etc.

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5

Betin, Franck, and Gérard-André Capolino. "Shaft Positioning for Six-Phase Induction Machines With Open Phases Using Variable Structure Control." IEEE Transactions on Industrial Electronics 59, no. 6 (June 2012): 2612–20. http://dx.doi.org/10.1109/tie.2011.2138113.

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6

Jelbaoui, Yakout Khadouj, Lamiaa El Menzhi, and Abdallah Saad. "Diagnosis of rotor faults by fast Fourier transform using an auxiliary winding voltage." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 2 (November 1, 2021): 680. http://dx.doi.org/10.11591/ijeecs.v24.i2.pp680-688.

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<p>Condition monitoring and on-line detection have attracted several researchers in order to carry out an efficient diagnosis of machine failures. Therefore, the detection in early stage avoids system breakdown and reduce the maintenance cost. This paper presents a new diagnosic approach to detect the broken bars and broken end ring faults for a squirrel cage induction machine based on the fast Fourier transform analysis applied on a new signature as the voltage of an auxiliary winding. The auxiliary winding is a small coil inserted between two of the stator phases, the explicit expression of its voltage is presented. The signal is monitored in six faults cases under a different load level, the emergence of the fault frequencies changes for each kind of failure. The successfully simulation results obtained show the effectiveness of this approach.</p>

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7

Beladel, Abdelkader, Abdellah Kouzou, Mohamed Elbar, and Ahmed Hafaifa. "DTC Switching Strategy for Open-end Winding of Induction Machines Fed by a Dual-output Indirect Matrix Converter." Periodica Polytechnica Electrical Engineering and Computer Science 65, no. 3 (June 7, 2021): 186–95. http://dx.doi.org/10.3311/ppee.17597.

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This paper deals with the Direct Torque Control (DTC) of Dual Indirect Matrix Converter (DIMC) feeding an open-end winding three-phase Induction Motor (IM). Indeed, the open-end winding topology allows overcoming the main problem of Common-Mode Voltage (CMV) which is responsible of presence of stresses in the motor winding in classical topologies, controlling separately the winding of the three-phases, reducing the voltage stress of the power electronics switches and to decreasing the voltage and current harmonics in each phase. The proposed Dual-output Indirect Matrix Converter generates 18 active voltage space vectors. Whereas, in the proposed algorithm presented in this paper to ensure the control of the proposed topology it is implemented only with two null vectors and six active voltage vectors for each output. It is based on same idea of the space vector pulse width modulation that is applied separately for both converters to ensure the control of their output voltages. Indeed, to ensure the required voltage at each winding the output voltage of the first matrix converter are generated normally and output voltage of the second matrix converter are generated with 180° phase shift. The obtained simulation results prove clearly the overall performance of the control of the studied drive system based on the proposed topology and its control algorithm which may be extended to other drive system application, especially in industrial application where more improved performances are required.

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8

Brkovic, Bogdan Mihailo, Milos Jecmenica, Emil Levi, and Zoran M. Lazarevic. "Saturated VSD model of a six‐phase induction machine." IET Electric Power Applications 14, no. 14 (December 2020): 2762–71. http://dx.doi.org/10.1049/iet-epa.2020.0531.

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9

Brkovic, Bogdan Mihailo, Leposava Bratimir Ristic, Mladen Vlajko Terzic, Ana Vladan Stankovic, and Zoran Mileta Lazarevic. "Magnetizing Inductance Determination in a Six-Phase Induction Machine." IEEE Transactions on Energy Conversion 34, no. 2 (June 2019): 812–23. http://dx.doi.org/10.1109/tec.2018.2881763.

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10

Che, Hang Seng, Emil Levi, Martin Jones, Mario J. Duran, Wooi-Ping Hew, and Nasrudin Abd Rahim. "Operation of a Six-Phase Induction Machine Using Series-Connected Machine-Side Converters." IEEE Transactions on Industrial Electronics 61, no. 1 (January 2014): 164–76. http://dx.doi.org/10.1109/tie.2013.2248338.

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11

Mohanty, Alok Kumar, and K. B. Yadav. "Performance Characteristics of Six-Phase Induction Generator for Renewable Power Generation." Indonesian Journal of Electrical Engineering and Computer Science 5, no. 2 (February 1, 2017): 299. http://dx.doi.org/10.11591/ijeecs.v5.i2.pp299-308.

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<p>This paper presents the performance behavior of a multi-phase induction generator operating in six-phase mode. An experimental analysis has been done to determine operating characteristics of the six-phase machine to illustrate the advantageous features of the machine as compared to its three phase counterpart. The machine is configured to operate as a standalone power source in conjunction with a DC prime mover. The multi-phase machine can operate with one three phase capacitor bank which does not lead to complete shutdown of the system during fault conditions across one of its two sets of its stator windings. In the analysis the machine is connected to different capacitor configuration and the influence of these connections on the machine performance during no load and load have been implemented. Experimental results include voltage build up of the machine with different excitation capacitors at both sets of stator windings with changing speed during no load condition, resistive load condition and resistive inductive load condition with simple shunt and short shunt configuration.</p>

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12

B, Jyothi, and M. Venugopala Rao. "Carrier-Based PWM Technique for Inverter-Fed Multiphase Induction Motor." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 5 (August 11, 2016): 1967. http://dx.doi.org/10.11591/ijece.v6i5.10754.

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<p>Multiphase (more than three phases) is very much popular due to their eminent features compared to conventional three-phase counter parts. In order to drive the multiphase machine, it requires same phase input w.r.t the no of phases at the output. This paper mainly focuses on five phase, because even after failure of one phase, the performance does not degraded much. Voltage source inverters (VSIs) are used to feed the induction motor. voltage source inverters (VSIs) switches are ON and OFF precisely to control the output. In order to implement harmonic waveform characteristic, carrier based PWM (pulse width modulation) is performed. By using with and without third harmonic injection machine torque is highly improved. Using MATLAB software, the simulation results are presented in the form of computer traces and high traded performance of the machine are discussed.</p>

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13

B, Jyothi, and M. Venugopala Rao. "Carrier-Based PWM Technique for Inverter-Fed Multiphase Induction Motor." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 5 (August 11, 2016): 1967. http://dx.doi.org/10.11591/ijece.v6i5.pp1967-1984.

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<p>Multiphase (more than three phases) is very much popular due to their eminent features compared to conventional three-phase counter parts. In order to drive the multiphase machine, it requires same phase input w.r.t the no of phases at the output. This paper mainly focuses on five phase, because even after failure of one phase, the performance does not degraded much. Voltage source inverters (VSIs) are used to feed the induction motor. voltage source inverters (VSIs) switches are ON and OFF precisely to control the output. In order to implement harmonic waveform characteristic, carrier based PWM (pulse width modulation) is performed. By using with and without third harmonic injection machine torque is highly improved. Using MATLAB software, the simulation results are presented in the form of computer traces and high traded performance of the machine are discussed.</p>

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14

Singh, G. K., V. Pant, and Y. P. Singh. "Stability analysis of a multi-phase (six-phase) induction machine." Computers & Electrical Engineering 29, no. 7 (October 2003): 727–56. http://dx.doi.org/10.1016/s0045-7906(03)00003-x.

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15

Bensaoucha, Saddam, Youcef Brik, Sandrine Moreau, Sid Ahmed Bessedik, and Aissa Ameur. "Induction machine stator short-circuit fault detection using support vector machine." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 40, no. 3 (May 21, 2021): 373–89. http://dx.doi.org/10.1108/compel-06-2020-0208.

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Purpose This paper provides an effective study to detect and locate the inter-turn short-circuit faults (ITSC) in a three-phase induction motor (IM) using the support vector machine (SVM). The characteristics extracted from the analysis of the phase shifts between the stator currents and their corresponding voltages are used as inputs to train the SVM. The latter automatically decides on the IM state, either a healthy motor or a short-circuit fault on one of its three phases. Design/methodology/approach To evaluate the performance of the SVM, three supervised algorithms of machine learning, namely, multi-layer perceptron neural networks (MLPNNs), radial basis function neural networks (RBFNNs) and extreme learning machine (ELM) are used along with the SVM in this study. Thus, all classifiers (SVM, MLPNN, RBFNN and ELM) are tested and the results are compared with the same data set. Findings The obtained results showed that the SVM outperforms MLPNN, RBFNNs and ELM to diagnose the health status of the IM. Especially, this technique (SVM) provides an excellent performance because it is able to detect a fault of two short-circuited turns (early detection) when the IM is operating under a low load. Originality/value The original of this work is to use the SVM algorithm based on the phase shift between the stator currents and their voltages as inputs to detect and locate the ITSC fault.

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16

de Souza, Tamires Santos, Rodrigo Rodrigues Bastos, and Braz J. Cardoso Filho. "Modeling and Control of a Nine-Phase Induction Machine With Open Phases." IEEE Transactions on Industry Applications 54, no. 6 (November 2018): 6576–85. http://dx.doi.org/10.1109/tia.2018.2852282.

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17

Omeje, Crescent Onyebuchi, Damian Benneth Nnadi, and Stephen Ejiofor Oti. "Multi-phase inverter-controlled induction machine at varied rotor parameters." International Journal of Electrical and Computer Engineering (IJECE) 12, no. 5 (October 1, 2022): 4808. http://dx.doi.org/10.11591/ijece.v12i5.pp4808-4819.

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<p>This paper presents a step-wise modelling of a symmetrical six-phase induction machine driven by a six-phase diode clamped multi-level inverter at a varying rotor resistance and motor inertia. The machine drive process was considered in two stages. The first stage presents the dynamic behavior of the machine when a load torque of 0 Nm and 100 Nm is applied at a varied rotor external resistance value of (0.8 and 3.2) Ω with constant motor inertia. The second stage showcased the variations in the speed, electromagnetic torque and rotor current when motor inertia is varied at (0.5 and 1.5) Kg-m2 with rotor resistance held constant. A six-phase five-level diode clamped converter phase displaced by sixty degrees with a modulation index of 0.8 was modeled to drive the poly-phase machine at a reduced %THD. All machine models were simulated in MATLAB 7.11. The simulation results showed that reduced oscillations in rotor current, motor speed and torque pulsations were achieved at a varied external rotor resistance and motor inertia.</p>

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18

Pineda-Sanchez, Manuel, Ruben Puche-Panadero, Javier Martinez-Roman, Angel Sapena-Bano, Martin Riera-Guasp, and Juan Perez-Cruz. "Partial Inductance Model of Induction Machines for Fault Diagnosis." Sensors 18, no. 7 (July 18, 2018): 2340. http://dx.doi.org/10.3390/s18072340.

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The development of advanced fault diagnostic systems for induction machines through the stator current requires accurate and fast models that can simulate the machine under faulty conditions, both in steady-state and in transient regime. These models are far more complex than the models used for healthy machines, because one of the effect of the faults is to change the winding configurations (broken bar faults, rotor asymmetries, and inter-turn short circuits) or the magnetic circuit (eccentricity and bearing faults). This produces a change of the self and mutual phase inductances, which induces in the stator currents the characteristic fault harmonics used to detect and to quantify the fault. The development of a machine model that can reflect these changes is a challenging task, which is addressed in this work with a novel approach, based on the concept of partial inductances. Instead of developing the machine model based on the phases’ coils, it is developed using the partial inductance of a single conductor, obtained through the magnetic vector potential, and combining the partial inductances of all the conductors with a fast Fourier transform for obtaining the phases’ inductances. The proposed method is validated using a commercial induction motor with forced broken bars.

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19

Vukosavic, S. N., M. Jones, E. Levi, and J. Varga. "Rotor flux oriented control of a symmetrical six-phase induction machine." Electric Power Systems Research 75, no. 2-3 (August 2005): 142–52. http://dx.doi.org/10.1016/j.epsr.2005.02.006.

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20

Abdel-Khalik, Ayman S., Ahmed M. Massoud, and Shehab Ahmed. "Nine-Phase Six-Terminal Induction Machine Modeling Using Vector Space Decomposition." IEEE Transactions on Industrial Electronics 66, no. 2 (February 2019): 988–1000. http://dx.doi.org/10.1109/tie.2018.2833041.

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21

BERRAHAL, C., A. El FADILI, F. GIRI, A. EL MAGRI, R. LAJOUAD, and I. EL MYASSE. "Robustness of Backstepping Multiphase Induction Machine Control in Presence of Open Phases Fault." IFAC-PapersOnLine 55, no. 12 (2022): 794–99. http://dx.doi.org/10.1016/j.ifacol.2022.07.410.

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22

Othmani, Hichem, D. Mezghani, and A. Mami. "Fuzzy Gain-Scheduling Proportional–Integral control for Improving the speed behavior of a three-phases induction motor." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 4 (December 1, 2016): 1161. http://dx.doi.org/10.11591/ijpeds.v7.i4.pp1161-1171.

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In this article, we have set up a vector control law of induction machine where we tried different type of speed controllers. Our control strategy is of type Field Orientated Control (FOC). In this structure we designed a Fuzzy Gain-Scheduling Proportional–Integral (Pi) controller to obtain best result regarding the speed of induction machine. At the beginning we designed a Pi controller with fixed parameters. We came up to these parameters by identifying the transfer function of this controller to that of Broïda (second order transfer function). Then we designed a fuzzy logic (FL) controller. Based on simulation results, we highlight the performances of each controller. To improve the speed behaviour of the induction machine, we have designend a controller called “Fuzzy Gain-Scheduling Proportional–Integral controller” (FGS-PI controller) which inherited the pros of the aforementioned controllers. The simulation result of this controller will strengthen its performances.

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23

Taheri, Asghar, Hai-Peng Ren, and Chun-Huan Song. "Sensorless Direct Torque Control of the Six-Phase Induction Motor by Fast Reduced Order Extended Kalman Filter." Complexity 2020 (September 30, 2020): 1–10. http://dx.doi.org/10.1155/2020/8985417.

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In this paper, a simple extended Kalman Filter (EKF) controller for direct torque control (DTC) of a six-phase induction machine in all speed ranges is proposed. The aim of this paper is to decrease the execution time of EKF modeling of a six-phase induction motor. The proposed method is fast and can operate online. If the machine parameters are changed during the operation, the EKF algorithm is activated to find parameters used for controlling the motor. In low speed, not only the motor speed measurement but also the DTC of machine is difficult. The EKF model can estimate speed, flux, load torque, and stator resistance in low speed; thus, optimization can be performed in all loads and speed range. The proposed method increases the accuracy of DTC of the six-phase induction machine and decreases the computation cost of the system using the simplified algorithm. The simulation and experimental results verify the effectiveness and the robustness of the proposed method against parameter variations.

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24

Asgari, Seyed Hesam, Mohammad Jannati, Tole Sutikno, and Nik Rumzi Nik Idris. "Vector Control of Three-Phase Induction Motor with Two Stator Phases Open-Circuit." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 2 (June 1, 2015): 282. http://dx.doi.org/10.11591/ijpeds.v6.i2.pp282-292.

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<p>Variable frequency drives are used to provide reliable dynamic systems and significant reduction in usage of energy and costs of the induction motors. Modeling and control of faulty or an unbalanced three-phase induction motor is obviously different from healthy three-phase induction motor. Using conventional vector control techniques such as Field-Oriented Control (FOC) for faulty three-phase induction motor, results in a significant torque and speed oscillation. This research presented a novel method for vector control of three-phase induction motor under fault condition (two-phase open circuit fault). The proposed method for vector control of faulty machine is based on rotor FOC method. A comparison between conventional and modified controller shows that the modified controller has been significantly reduced the torque and speed oscillations.</p>

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25

Ben Slimene, Marwa. "PERFORMANCE ANALYSIS OF SIX-PHASE INDUCTION MACHINE-MULTILEVEL INVERTER WITH ARBITRARY DISPLACEMENT." Electrical Engineering & Electromechanics, no. 4 (August 12, 2020): 12–16. http://dx.doi.org/10.20998/2074-272x.2020.4.02.

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26

Gonzalez, Osvaldo, Magno Ayala, Jesus Doval-Gandoy, Jorge Rodas, Raul Gregor, and Marco Rivera. "Predictive-Fixed Switching Current Control Strategy Applied to Six-Phase Induction Machine." Energies 12, no. 12 (June 15, 2019): 2294. http://dx.doi.org/10.3390/en12122294.

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In applications such as multiphase motor drives, classical predictive control strategies are characterized by a variable switching frequency which adds high harmonic content and ripple in the stator currents. This paper proposes a model predictive current control adding a modulation stage based on a switching pattern with the aim of generating a fixed switching frequency. Hence, the proposed controller takes into account the prediction of the two adjacent active vectors and null vector in the ( α - β ) frame defined by space vector modulation in order to reduce the (x-y) currents according to a defined cost function at each sampling period. Both simulation and experimental tests for a six-phase induction motor drive are provided and compared to the classical predictive control to validate the feasibility of the proposed control strategy.

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27

Ai, Yongle, Yumei Wang, and Kamper Marrten. "Modelling and control of six-phase induction machine under special current waveform." International Journal of Modelling, Identification and Control 10, no. 1/2 (2010): 4. http://dx.doi.org/10.1504/ijmic.2010.033838.

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28

Abdel-Khalik, Ayman S., Mahmoud S. Abdel-Majeed, and Shehab Ahmed. "Effect of Winding Configuration on Six-Phase Induction Machine Parameters and Performance." IEEE Access 8 (2020): 223009–20. http://dx.doi.org/10.1109/access.2020.3044025.

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29

Mohanty, Alok Kumar, and K. B. Yadav. "Transient Analysis of a Multi-phase Induction Machine Operating as Generator." Indonesian Journal of Electrical Engineering and Computer Science 2, no. 1 (April 1, 2016): 79. http://dx.doi.org/10.11591/ijeecs.v2.i1.pp79-87.

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<em>Multi-phase machines are considered serious contenders as compared to the three phase machines for variable applications in generating mode. </em><em>This paper presents the transient performance analysis of a multi-phase induction machine operating in six-phase mode for power generation. In this paper the simulation and experimental analysis of a six-phase machine in generating mode have been made. The simulations are made and the machine functionality was investigated during no-load and when subjected to different types of loads. Experimental results are provided to confirm the ability of these models to represent during no load as well as during load period and the result were found to be satisfactory for power generation</em>.

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30

Jelbaoui, Yakout Khadouj, El Menzhi Lamiaà, and Abdallah Saad. "Fault diagnosis of a squirrel cage induction motor fed by an inverter using lissajous curve of an auxiliary winding voltage." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 3 (March 10, 2021): 1299. http://dx.doi.org/10.11591/ijeecs.v21.i3.pp1299-1308.

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The development of electronic power components has allowed the increase of the induction machine performance. Indeed, monitoring squirrel cage induction motors driven through rectifiers and inverters has been a major concern. This paper presents a new method to diagnose the combination inverter-machine faults. This technic considers an auxiliary winding which is a small coil inserted between two stator phases. It is based on Lissajous curve of this auxiliary winding voltage Park components. For this purpose, modeling the electromechanical conversion chain is necessary. The focus will particularly be on modeling both the squirrel cage induction machine and the inverter in a non-defected case which is a reference. Moreover, the explicit expressions developed for the inserted winding voltage and its Park components will be presented. The simulation results show the effectiveness of the proposed method.

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31

Khadouj, Jelbaoui Yakout, El Menzhi Lamiaà, and Abdallah Saad. "Squirrel cage induction motor fault diagnosis using lissajous curve of an auxiliary winding voltage: case of broken bars." Indonesian Journal of Electrical Engineering and Computer Science 24, no. 3 (December 1, 2021): 1332. http://dx.doi.org/10.11591/ijeecs.v24.i3.pp1332-1341.

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The detection of incipient faults has attracted industrials and researchers specific attention in order to prevent the motor breakdown, improve its reability and increase its lifetime. This paper presents a squirrel cage induction machine broken bar and rings diagnosis approach. This technic uses a new monitored signal as an auxiliary winding voltage related to a small coil inserted between two stator phases. Monitoring behaviors of the Lissajous curve of this auxiliary winding voltage park components under different load levels is the main key of this study. For this purpose, the squirrel cage induction machine modeling and the explicit expressions developed for the inserted winding voltage and its Park components will be presented. Then, an induction machine with different broken cases: one broken bar, two broken bars, broken end ring and broken bars with end ring are investigated. The simulation results confirm the validity of the proposed approach.

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32

Dezhin, D., I. Dezhina, and R. Ilyasov. "SMALL-SCALE PROTOTYPE OF A FULLY HTS-2G SIX-PHASE INDUCTION ELECTRICAL MACHINE." Journal of Physics: Conference Series 1559 (June 2020): 012146. http://dx.doi.org/10.1088/1742-6596/1559/1/012146.

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33

Chahmi, Abdelghani, Mokhtar Bendjebbar, Bertrand Raison, and Mohamed Benbouzid. "An Extender Kalman Filter-based Induction Machines Faults Detection." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 2 (April 1, 2016): 535. http://dx.doi.org/10.11591/ijece.v6i2.9387.

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This paper deals with the detection and localization of electrical drives faults, especially those containing induction machines. First, the context of the study is presented and an Extended Kalman Filter is described for induction machines fault detection. Then the modeling procedure under faulty conditions is shown, and the machine diagnosis methods are developed. The proposed diagnosis approach requires only little experimental data, and more importantly it provides efficient simulation tools that allow characterizing faulty behavior.Fault detection uses signal processing techniques in known operating phases (fixed speed), considering and locating malfunctions.

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34

Chahmi, Abdelghani, Mokhtar Bendjebbar, Bertrand Raison, and Mohamed Benbouzid. "An Extender Kalman Filter-based Induction Machines Faults Detection." International Journal of Electrical and Computer Engineering (IJECE) 6, no. 2 (April 1, 2016): 535. http://dx.doi.org/10.11591/ijece.v6i2.pp535-548.

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This paper deals with the detection and localization of electrical drives faults, especially those containing induction machines. First, the context of the study is presented and an Extended Kalman Filter is described for induction machines fault detection. Then the modeling procedure under faulty conditions is shown, and the machine diagnosis methods are developed. The proposed diagnosis approach requires only little experimental data, and more importantly it provides efficient simulation tools that allow characterizing faulty behavior.Fault detection uses signal processing techniques in known operating phases (fixed speed), considering and locating malfunctions.

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35

Ehara, Masahiko, Mamoru Iwami, Yoshio Ichinose, Toshiya Hirayama, M. John Albert, R. Bradley Sack, and Shoichi Shimodori. "Induction of Fimbriated Vibrio cholerae O139." Clinical Diagnostic Laboratory Immunology 5, no. 1 (January 1, 1998): 65–69. http://dx.doi.org/10.1128/cdli.5.1.65-69.1998.

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ABSTRACT Several fimbriated phases of Vibrio cholerae O139 strains were selectively induced and compared immunologically and biochemically with those of V. cholerae O1. Fimbrial antigens were detected on the surfaces of vibrio cells colonizing the epithelial cells of a rabbit small intestine. Convalescent-phase sera from six individuals infected with V. cholerae O139 revealed the development of antibody against the fimbrillin. These findings suggest that the fimbriae of V. cholerae O1 and O139 are expressed in vivo during infection and that consideration must be given to the use of fimbrial antigens as components of vaccines against cholera.

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36

Brkovic, Bogdan, and Milos Jecmenica. "Calculation of Rotor Harmonic Losses in Multiphase Induction Machines." Machines 10, no. 5 (May 20, 2022): 401. http://dx.doi.org/10.3390/machines10050401.

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The topic of this paper is the determination of rotor harmonic losses in multiphase machines. Specifically, harmonic losses occur in the rotor winding and core due to higher-order spatial harmonics of the flux density. This phenomenon influences machine parameters and overall performance and increases temperature rise in parts of the rotor. The flux density distribution is determined by the stator magnetomotive force harmonic content, which is directly related to the winding distribution. A cage-rotor asymmetrical six-phase induction machine is selected for this case study. An analysis of different stator winding topologies and their influence on harmonic losses is presented. A finite element-based method for calculating the contribution of individual stator magnetomotive force harmonics to the rotor losses is developed and described in the paper. The analysis includes scenarios with different phase current waveforms to emphasize the issues specific to the asymmetrical six-phase machine. It is found that the magnetomotive force components generated by non-torque-producing current components contribute significantly to harmonic losses. The obtained results can represent a foundation for optimal stator winding topology selection. This work is intended to motivate the development of new and the modification of existing models to properly include rotor harmonic losses during the design, performance prediction, and control of multiphase machines.

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Catuogno, Guillermo, Gaston Frias, Guillermo Garcia, and Roberto Leidhold. "Design of a decoupling strategy and parameter calculation for six-phase PM machines with general angular displacement." Transactions of the Institute of Measurement and Control 40, no. 13 (November 9, 2017): 3909–19. http://dx.doi.org/10.1177/0142331217737362.

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A novel decoupling model for a six-phase permanent magnet machine is proposed in this paper. The model considers the machine as two independent three-phase stator windings that are spatially shifted by a generic angle [Formula: see text]. The proposed transformation considers the zero sequence and allows the coupling between phases to be eliminated. The parameters, which define the dynamic behaviour of the model, are calculated with simulations performed using the finite-element method. The decoupled model and the parameters are analyzed for two configurations of a traditional six-phase machine. Simulation results were validated by experimental results with a simple procedure.

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Bretschneider, Jochen, and Thomas Menzel. "Virtual Optimization of Machine Tools and Production Processes." International Journal of Automation Technology 1, no. 2 (November 5, 2007): 136–40. http://dx.doi.org/10.20965/ijat.2007.p0136.

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Faster development of innovative machine tools, shorter processing times, improved surface quality of workpieces, higher machine productivity – these are just a few of the wishes and demands of machine manufacturers and end-users. Time-to-market is decisive; in some industries, six months too late on the market can already be decisive in losing the race for market leadership. The key to success lies in virtual techniques. These are an extremely cost-effective way to increase productivity in all phases of the machine tools life cycle. Siemens AG, the leading provider for control and drive technology, sees itself as a partner for the whole machine tool industry and offers four phases of simulation support which cover the entire life cycle of a machine: Mechatronic Support for simulation for machine development, Machine Simulator for supporting commissioning, Virtual Production for the optimization of production and, finally, Virtual NC Kernel (VNCK) for the testing of NC part programs at the end-user.

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Nabi, H. P., P. Dadashi, and A. Shoulaie. "A Novel Structure for Vector Control of Symmetrical Six-Phase Induction Machines with Three Current Sensors." Engineering, Technology & Applied Science Research 1, no. 2 (April 28, 2011): 23–29. http://dx.doi.org/10.48084/etasr.18.

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Vector control is one of the most popular multiphase induction machine drive methods due to its dynamic performance. Since all phase currents are needed in vector control drive, by increasing phase numbers, the number of required current sensors increases which is one of the disadvantages of vector control in multiphase machine drives. In this paper vector control of a symmetrical six-phase induction machine with a novel configuration is presented. The aforementioned configuration is designed in a simple way that only three current sensors will be needed. Analytical equations are extracted in this paper to show that some of current components which do not contribute in torque production will be eliminated due to the proposed scheme. Simulation and experimental results are provided to verify the benefits of the proposed configuration.

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Jung, Erik, Cheryl Lin, Martin Contreras, and Mircea Teodorescu. "Applied Machine Learning on Phase of Gait Classification and Joint-Moment Regression." Biomechanics 2, no. 1 (February 1, 2022): 44–65. http://dx.doi.org/10.3390/biomechanics2010006.

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Traditionally, monitoring biomechanics parameters requires a significant amount of sensors to track exercises such as gait. Both research and clinical studies have relied on intricate motion capture studios to yield precise measurements of movement. We propose a method that captures motion independently of optical hardware with the specific goal of identifying the phases of gait using joint angle measurement approaches like IMU (inertial measurement units) sensors. We are proposing a machine learning approach to progressively reduce the feature number (joint angles) required to classify the phases of gait without a significant drop in accuracy. We found that reducing the feature number from six (every joint used) to three reduces the mean classification accuracy by only 4.04%, while reducing the feature number from three to two drops mean classification accuracy by 7.46%. We extended gait phase classification by using the biomechanics simulation package, OpenSim, to generalize a set of required maximum joint moments to transition between phases. We believe this method could be used for applications other than monitoring the phases of gait with direct application to medical and assistive technology fields.

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Pantea, Alin, Amine Yazidi, Franck Betin, Mehdi Taherzadeh, Sebastien Carriere, Humberto Henao, and Gerard-Andre Capolino. "Six-Phase Induction Machine Model for Electrical Fault Simulation Using the Circuit-Oriented Method." IEEE Transactions on Industrial Electronics 63, no. 1 (January 2016): 494–503. http://dx.doi.org/10.1109/tie.2015.2493727.

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Aroquiadassou, Gérard, Andrea Cavagnino, Humberto Henao, Aldo Boglietti, and Gérard-André Capolino. "A new circuit-oriented model for the analysis of six-phase induction machine performances." Electric Power Systems Research 78, no. 10 (October 2008): 1798–805. http://dx.doi.org/10.1016/j.epsr.2008.03.008.

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Chinmaya, K. A., and Girish Kumar Singh. "Integrated onboard single‐stage battery charger for PEVs incorporating asymmetrical six‐phase induction machine." IET Electrical Systems in Transportation 9, no. 1 (March 2019): 8–15. http://dx.doi.org/10.1049/iet-est.2018.5015.

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Kolychev, S., and А. Sianov. "EXPERIMENTAL STUDY OF STATIC CHARACTERISTICS ASYNCHRONOUS MACHINE IN DYNAMIC BRAKING MODE WITH INDUCTION RESISTANCE IN THE ROTOR WINDING." Collection of scholarly papers of Dniprovsk State Technical University (Technical Sciences) 1, no. 38 (September 8, 2021): 68–74. http://dx.doi.org/10.31319/2519-2884.38.2021.8.

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The article discusses the results of a study of the static electromechanical characteristics of an asynchronous machine (AM) when prototypes of induction resistances (IR) with improved parameters are included in its rotor circuits. The dynamic braking (DB) of asynchronous machines, which is widespread in practice, provides for the dissipation of the kinetic energy of the rotating parts in the resistance boxes included in the rotor winding. In the process of stopping, to maintain a constant average braking torque AM, a bulky relay-contactor circuit for shunting rotor resistances is used. However, it is not possible to eliminate significant fluctuations in the electromagnetic torque in this way. To optimize the DB AM process, it is proposed to include a three-phase IR in the rotor winding instead of resistance boxes, the value of which automatically decreases along with the rotor current frequency. This approach allows you to abandon contact equipment and ensure smooth braking of the machine with fluctuations in the electromagnetic moment in narrower limits. The known IR designs are designed for starting modes of induction motors with a wound rotor, but they cannot ensure the constancy of the torque on the AM shaft in the DB mode. Therefore, the purpose of the study is to develop and experimentally confirm the effectiveness of simple control circuits of an induction machine in the specified mode with improved contactless induction rheostats in the rotor. The paper presents a diagram of a pilot plant and a figure explaining the design features of the IR. The studies were carried out for an asynchronous machine of the MTB-412-8 type, equipped with a thyristor exciter and a tachogenerator. The three phases of the AM rotor included ICs connected by a "star". The experiments were carried out in the direction of obtaining the necessary braking characteristics of the AM by varying the switching circuit of the stator phases and the value of the current supplying them. The figures show the mechanical characteristics of AM, obtained in the process of studying the influence on them of three typical circuits for switching on the phases of the stator winding and two values of the fixed supply current. The research results show that the desired form of the mentioned AM characteristics is achieved only when using the stator phase switching in a function of the rotor speed and a constant supply current value.

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Barsoum, N. N., and M. R. Harris. "Theorems of Torque Coefficients on Stability of Induction and Reluctance Machines." International Journal of Electrical Engineering & Education 38, no. 3 (July 2001): 260–75. http://dx.doi.org/10.7227/ijeee.38.3.9.

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Theoretical work has been developed for investigating the performance of the damping and synchronizing torque coefficients for polyphase induction machines and synchronous reluctance machines. Six theorems are analytically formulated and proved. These are used as a new study in machine stability courses and are found to be useful for engineering education.

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Khadouj Jelbaoui, Yakout, Lamiaa El Menzhi, and Abdallah Saad. "Diagnosis of induction motor failures using discrete wavelet transform of an auxiliary winding voltage." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 3 (September 1, 2022): 1231. http://dx.doi.org/10.11591/ijeecs.v27.i3.pp1231-1241.

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Over last years, great attention has been developed to avoid the machines breakdown especially in the squirrel cage induction motor which suffer from different failures. The aim of this paper is to present a new method for the diagnosis of rotor bar breakage and end ring in induction machine fed by an inverter based on discrete wavelet transform applied on the voltage of an auxiliary winding as a new monitoring signature. The expression of the auxiliary winding voltage related to a small coil inserted between two stator phases is presented. The study is focused on the high-level signals of approximation and details coefficients. Thus, the evolution of any frequency of interest in the waveform is given in this paper. The method is validated by simulations of four broken bars and end ring cases under unloaded and loaded machine.

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Abitha, Memala W., and V. Rajini. "Virtual Instrumentation Based Analysis of Induction Motor." Advanced Materials Research 984-985 (July 2014): 970–76. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.970.

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The three phase induction motor is a popularly used machine in many of the industries, which is well known for its robustness, reliability, cost effectiveness, efficient and safe operation. The unnoticed manufacturing failure, mistakes during repair work, exceeding life time may be some of the causes of the induction motor failure, which may lead to the unknown shut down time of the industry. The condition monitoring plays important role as it has the influence on the production of materials and profit. In our work, the induction motor is modelled using stationary reference frame and analysed for single phasing stator fault. The techniques used in detecting the single phasing (open circuit) failures are Park’s vector approach and Fast Fourier Transform (FFT). Park’s vector approach is used for detecting the faults occurring at various phases and FFT is used for detecting the faults of the induction motor working under no load and varying loading conditions.

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Taheri, Asghar, Abdolreza Rahmati, and Shahriyar Kaboli. "Efficiency Improvement in DTC of Six-Phase Induction Machine by Adaptive Gradient Descent of Flux." IEEE Transactions on Power Electronics 27, no. 3 (March 2012): 1552–62. http://dx.doi.org/10.1109/tpel.2011.2163420.

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Abdel-Khalik, Ayman Samy, Mostafa S. Hamad, Ahmed M. Massoud, and Shehab Ahmed. "Postfault Operation of a Nine-Phase Six-Terminal Induction Machine Under Single Open-Line Fault." IEEE Transactions on Industrial Electronics 65, no. 2 (February 2018): 1084–96. http://dx.doi.org/10.1109/tie.2017.2733471.

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Fathy Abouzeid, Ahmed, Juan Manuel Guerrero, Aitor Endemaño, Iker Muniategui, David Ortega, Igor Larrazabal, and Fernando Briz. "Control Strategies for Induction Motors in Railway Traction Applications." Energies 13, no. 3 (February 6, 2020): 700. http://dx.doi.org/10.3390/en13030700.

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This paper analyzes control strategies for induction motors in railway applications. The paper will focus on drives operating with a low switching to fundamental frequency ratio and in the overmodulation region or six-step operation, as these are the most challenging cases. Modulation methods, efficient modes of operation of the drive and the implications for its dynamic performance, and machine design will also be discussed. Extensive simulation results, as well as experimental results, obtained from a railway traction drive, are provided.

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