Relevant bibliographies by topics / IFOC (Indirect Vector Control)

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  2. Dissertations / Theses
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Academic literature on the topic 'IFOC (Indirect Vector Control)'

Author: Grafiati
Published: 4 June 2025
Last updated: 15 July 2025

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Journal articles on the topic "IFOC (Indirect Vector Control)"

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Aaditya, Angga Wahyu, Dedid Cahya Happyanto, and Bambang Sumantri. "Application of Sliding Mode Control in Indirect Field Oriented Control (IFOC) for Model Based Controller." EMITTER International Journal of Engineering Technology 5, no. 2 (2018): 255–69. http://dx.doi.org/10.24003/emitter.v5i2.193.

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Indirect Field Oriented Control (IFOC) is one of the vector control methods that can be applied to induction motor in the industrial world rather than Direct Field Oriented Control (DFOC) because of the flux is obtained from the formulation. However, IFOC can not guarantee the robustness and stability of the systems. Stability analysis such as Lyapunov Stability Theory can be used to make the system stable but not the robustness. Model based controller that can guarantee the stability and robustness such as sliding mode control (SMC) and fuzzy needs to be added in IFOC system to achieve proportional response system. Robust current regulator using sliding mode control was designed in this paper from state space model for model based controller. In transient response and under disturbance SMC shows better performance than PID in rising time and robustness at rotor speed and stator current.
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Kasula, Sabin, Bibek Shrestha, Karan Katwal, and Roshan Dahal. "Implementation of Indirect Field Oriented Control Using Space Vector Pulse Width Modulation for the Control of Induction Motor." International Journal on Engineering Technology 1, no. 1 (2023): 139–52. http://dx.doi.org/10.3126/injet.v1i1.60936.

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For the efficient speed control of three phase Induction motor, the Vector control or Field oriented control (FOC) technique is used for the Voltage source inverter. In implementing FOC the angular position of the rotor flux vector is to be determined. There are two methods (direct and indirect) of vector control for the evaluation of rotor angle. In an Indirect field-oriented control (IFOC) method rotor angle is estimated from slip frequency and rotor frequency without using a sensor (sensors are used in direct FOC) which are achieved in a synchronously rotating frame. IFOC produces high performance in induction motor drives by decoupling rotor flux and torque, so it can be separately controlled by stator direct-axis current and quadrature-axis current respectively, like in a DC motor. The rotor flux orientation method is used for incorporating PI control system using the Space Vector Pulse Width Modulation (SVPWM) technique. The Induction motor drive control generally involves three different PI controllers for torque, speed, and flux respectively. Through the simulation result, varying the load torque, and reference speed is achieved within a few milliseconds, and the behavior of the separately excited DC motor is observed.
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Alnaib, I. I., and A. N. Alsammak. "Optimization of fractional PI controller parameters for enhanced induction motor speed control via indirect field-oriented control." Electrical Engineering & Electromechanics, no. 1 (January 2, 2025): 3–7. https://doi.org/10.20998/2074-272x.2025.1.01.

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Introduction. Induction Motors (IM) possess advantages such as stability, reliability, and ease of control, making them suitable for many purposes; the literature elucidates control methodologies for IM drives, primarily focusing on scalar and vector control techniques; the conventional method utilized in manufacturing is scalar control, which unfortunately demonstrates optimal performance solely in steady-state conditions. The absence of significant instantaneous torque control restricts flux and dissociated torque, resulting in subpar dynamic responsiveness. Indirect Field Oriented Control (IFOC) for IM drives has proven beneficial for various industrial applications, particularly electric vehicle propulsion. The primary advantages of this approach include the decoupling of torque and flux characteristics and its straightforward implementation. The novelty of the work consists of a proposal for a driving cycle model for testing the control system of electric vehicles in Mosul City (Iraq), and using a Complex Fractional Order Proportional Integral (CFOPI) controller to control IMs via IFOC strategies, the Artificial Bee Colony (ABC) algorithm was applied, which is considered to be highly efficient in finding the values of controllers. Purpose. Improvement IFOC techniques for the regulation of IM speed. Methods. Using the ABC algorithm in tuning the two unique CFOPI controller, and a Real Fractional Order Proportional Integral (RFOPI) controller, to regulate the speed of a three-phase IM via IFOC techniques. Results. The CFOPI controller outperforms the RFOPI controller in obtaining the best performance in controlling the IM. Practical value. The CFOPI controller demonstrates superiority over the RFOPI controller, as evidenced by the lower integral time absolute error in motor speed tracking during the driving cycle 2.1004 for the CFOPI controller compared to 2.1538 for the RFOPI controller. References 27, tables 5, figures 4.
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Bounab, A., A. Chaiba, and S. Belkacem. "Evaluation of the High Performance Indirect Field Oriented Controlled Dual Induction Motor Drive Fed by a Single Inverter using Type-2 Fuzzy Logic Control." Engineering, Technology & Applied Science Research 10, no. 5 (2020): 6301–8. http://dx.doi.org/10.48084/etasr.3799.

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In this paper, a high-performance indirect field-oriented controlled dual Induction Motor (IM) drive fed by a single inverter using type-2 fuzzy logic control will be presented. At first, the mathematical model of the IM is implemented in the d-q reference frame. Then, the speed control of the Dual Induction Motor (DIM) operating in parallel configuration with Indirect Field Oriented Control (IFOC) using PI and type-2 Fuzzy Logic Controller (T2-FLC) will be presented. For the control of this system, a DC supply and a Space Vector Pulse Width Modulation (SVPWM) voltage source inverter are introduced with constant switching frequency. Also, the performance of T2-FLC, which is based on the IFOC, is tested and compared to those achieved using the PI controller. The simulation results demonstrate that the T2-FLC is more robust, efficient, and has superior dynamic performance for traction system applications.
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Bounab, A., A. Chaiba, and S. Belkacem. "Evaluation of the High Performance Indirect Field Oriented Controlled Dual Induction Motor Drive Fed by a Single Inverter using Type-2 Fuzzy Logic Control." Engineering, Technology & Applied Science Research 10, no. 5 (2020): 6301–8. https://doi.org/10.48084/etasr.3799.

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In this paper, a high-performance indirect field-oriented controlled dual Induction Motor (IM) drive fed by a single inverter using type-2 fuzzy logic control will be presented. At first, the mathematical model of the IM is implemented in the d-q reference frame. Then, the speed control of the Dual Induction Motor (DIM) operating in parallel configuration with Indirect Field Oriented Control (IFOC) using PI and type-2 Fuzzy Logic Controller (T2-FLC) will be presented. For the control of this system, a DC supply and a Space Vector Pulse Width Modulation (SVPWM) voltage source inverter are introduced with constant switching frequency. Also, the performance of T2-FLC, which is based on the IFOC, is tested and compared to those achieved using the PI controller. The simulation results demonstrate that the T2-FLC is more robust, efficient, and has superior dynamic performance for traction system applications.
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PURWANTO, ERA, ABDILLAH AZIZ MUNTASHIR, and MUHAMMAD RIZANI RUSLI. "Kendali Motor Sangkar Tupai 3 Phasa berbasis Indirect Field Oriented Control (IFOC) dengan PID Controller." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 11, no. 3 (2023): 649. http://dx.doi.org/10.26760/elkomika.v11i3.649.

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ABSTRAKDunia industri sekarang banyak menggunakan motor sangkar tupai 3 phasa, karena memiliki kehandalan yang tinggi, tetapi motor sangkar tupai 3 phasa mempunyai beberapa kekurangan yaitu sukar untuk menjaga pada kecepatan konstan pada saat adanya perubahan beban, serta pengaturan kecepatan yang sulit dilakukan karena sistemnya yang coupled. Dengan melakukan metode vector control yang bebasis pada Indirect Field Oriented Control (IFOC), sehingga pengendalian motor sangkar tupai 3 phasa dapat dilakukan seperti pada DC motor penguat terpisah. PID controller digunakan untuk pengaturan kecepatan, dimana parameter PID didapatkan menggunakan Ziegler Nichols, serta hasil yang didapat adalah luaran kecepatan dengan risetime cepat dan error steady state kecil. Simulasi yang dilakukan telah dilakukan dengan menggunakan LabView, didapatkan respons waktu naik 1.132 ms, waktu penyelesaian 9,91 ms dan error steady 0,4% dengan set poin 500 Rpm. Serta waktu recovery sebesar 4.9 ms pada set poin 300 Rpm.Kata kunci: vector control, motor sangkar tupai 3 phasa, motor DC, coupled, decoupled ABSTRACTThree-phase squirrel cage motors are used today in many industries because of their high reliability. The downside is that speeds are difficult to adjust when connecting to a system. Three-phase cage motor control can be implemented as a discrete DC motor amplifier by using a vector control scheme based on Indirect Field Oriented Control (IFOC), for the speed control the PID controller is used in this system, PID parameters are obtained using Ziegler Nichols, and the result is an output speed , the fast rise time and low stability error. The simulation was run using LabView and had a time response 1.132 ms, a time stedy state is 9.91 ms, and a error flat is 0.4% at a setpoint of 500rpm. So does the time recovery of 4.9ms in speed 300 rpm setpoint.Keywords: vector control, 3-phase squirrel cage, DC motor, coupled, decoupled
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Sowmiya, M., and G. Renuka Devi. "Modeling and Control of a Dual Stator Multiphase Induction Motor for Electric Vehicle Technology." DESIGN, CONSTRUCTION, MAINTENANCE 4 (December 17, 2024): 191–200. https://doi.org/10.37394/232022.2024.4.20.

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This paper presents the dynamic modeling and speed control of a Dual Stator Multiphase Induction Motor (DSMIM) in MATLAB/Simulink environment. The torque production and load sharing capability of the model is analyzed under free acceleration conditions when subjected to a frictional load profile. Its speed control operation is realized using the conventional V/f and vector based Indirect Field-Oriented Control (IFOC) methods. The torque and speed tracking ability of the machine with the chosen control techniques were simulated. The better dynamic performance of IFOC controlled DSMIM drive model establishes its utility in Electric Vehicles (EV) technology and research. Credibility of the proposed model in EV application is verified by testing it against the standard Modified Indian Drive Cycle (MIDC). The corresponding torque and speed waveforms obtained under the drive cycle analysis are illustrated. The proposed model well supports sudden load changes with a better load sharing competence.
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Sara, Mensou, Essadki Ahmed, Minka Issam, Nasser Tamou, Bououlid Idrissi Badre, and Ben Tarla Lahssan. "Performance of a vector control for DFIG driven by wind turbine: real time simulation using DS1104 controller board." International Journal of Power Electronics and Drive System (IJPEDS) 10, no. 2 (2019): 1003–13. https://doi.org/10.11591/ijpeds.v10.i2.pp1003-1013.

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In this research paper we investigate the modelling and control of a doubly fed induction generator (DFIG) driven in rotation by wind turbine, the control objectives is to optimize capture wind, extract the maximum of the power generated to the grid using MPPT algorithm (Maximum Power Point Tracking) and have a specified reactive power generated whatever wind speed variable, the indirect field oriented control IFOC with the PI correctors was used to achieve such as decoupled control. To validate the dynamique performance of our controller the whole system was simulated using dSPACE DS1104 Controller board Real Time Interface (RTI) which runs in Simulink/MATLAB software and ControlDesk 4.2 graphical interfaces.
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Maafa, A., H. Mellah, K. Ghedamsi, and D. Aouzellag. "Improvement of Sliding Mode Control Strategy Founded on Cascaded Doubly Fed Induction Generator Powered by a Matrix Converter." Engineering, Technology & Applied Science Research 12, no. 5 (2022): 9217–23. http://dx.doi.org/10.48084/etasr.5166.

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The current paper presents a Sliding Mode Controller (SMC) for indirect field-oriented Cascaded Doubly Fed Induction Generator (CDFIG) powered through a Matrix Converter (MC). The proposed SMC employs a continuous control strategy to accomplish free chattering fractional-order sliding-mode control and to ensure that the control of the first DFIG stator's reactive and active power is separated. An MC is used to control the current provided to the second stator of the CDFIG as an alternative to standard voltage source inverters. The two MCs are controlled via Space-Vector Pulse-Width Modulation (SVPWM) and Indirect Field Oriented Control (IFOC). The proposed Wind Power Generation System (WPGS) is used with the purpose to ensure Maximum Power Point Tracking (MPPT) sensing under various disturbance variables such as turbulent wind. The simulation results prove the efficiency and robustness of the proposed method.
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Yang, Li Yong, and Liu Shuo. "Parameter Tuning for Sensorless Induction-Motor Drive Use Stator-Current-Based MRAS Estimator." Advanced Materials Research 383-390 (November 2011): 352–57. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.352.

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This paper proposes an analysis of the vector-controlled induction-motor (IM) drive with a novel modelreference adaptive system (MRAS)-type rotor speed estimator .In this scheme which stator-current-error-based MRAS is used instead of the rotor-flux-error-based MRAS scheme,an stator-current-error-based MRAS is used for estimate the IM rotor speed ,and this is used as feedback signals for the indirect field oriented control technique (IFOC),which is a widely used control method for Induction Motor drive (IM). For improving the dynamic characteristic of the system, it is very improtant for vector control to proceed parameter tuning.Some experimental results based on TMS 320F2812 DSP are provided to verify the proposed system performance in a low speed at no-load and load conditions.
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Dissertations / Theses on the topic "IFOC (Indirect Vector Control)"

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Kanekal, Ramesh V. "Modeling, simulation and analysis of an indirect vector controlled induction motor drive." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/76443.

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Vector control technique is being widely used in ac motors drives for precise dynamic control of torque, speed and position. The application of vector control scheme to the induction motor drive and the complete modeling, analysis and simulation of the drive system are presented in this thesis. State space models of the motor and the speed controller and the real time models of the inverter switches and the vector controller are integrated to model the drive. Performance differences due to the use of PWM and hysteresis current controllers are examined. Simulation results of the torque and speed drive systems are given. The drive system is linearised around an operating point and the small signal response is evaluated.<br>Master of Science
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Gulec, Mustafa Alpertunga. "Vector Controlled Elevator Drive." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607186/index.pdf.

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In this thesis, a practical vector controlled elevator drive is presented. Indirect vector control of induction machine is investigated in theory and then implemented. Control technique is compared with scalar control and induction machine is compared with dc motor. The operation of the system depends on induction machine parameters, so how to accurately and automatically obtaining of the parameters is also presented. Finally, the elevator system is introduced, the application of this control system to the elevator system is described and a basic elevator control system is simulated.
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Diniz, Ãber de Castro. "Use of three-phase induction motors in an articulated manipulator of 2-dof considering the strategies of vector control and slidnig mode control." Universidade Federal do CearÃ, 2013. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=10710.

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This paper proposes the position control of an articulated manipulator of two degrees of freedom driven by induction motors with a controller in the current loop. The work includes the mechanical modeling of the handler that will be developed from the direct and inverse kinematics and position control of induction motors operating system and uncoupled allocated in the manipulator. Thus, we developed two strategies for control of manipulators with two degrees of freedom, one using the scheme for field-oriented vector control and other means of indirect sliding mode control (Sliding-Mode Control - SMC). These control strategies are applied to current loop of induction motors that drive the manipulator. The parameters of the position controller of manipulator are taken into account in calculating the controller parameters of the current control loop, in order to obtain satisfactory results in the positioning the degrees of freedom. In addition, we performed a comparative study between the indirect field-oriented vector control and sliding mode control applied to the current loop. The advantage of the SMC compared to the indirect field-oriented vector control due to the first had in its control law, developed in this thesis, the use of position degree of freedom manipulator applied directly in the control law, while the second acted only as a disturbed rejection controller for the position loop. The Proportional-Integral (PI) was used in the position and speed loops for both current control algorithms to provide a standard for comparison between. For the purpose of implementing the control system individually for each engine and motors coupled to the manipulator used a digital signal processor.<br>O presente trabalho propÃe o controle de posiÃÃo de um manipulador articulado de dois graus de liberdade acionado a partir de motores de induÃÃo trifÃsicos com um controlador na malha de corrente. O trabalho contempla a modelagem mecÃnica do manipulador que serà desenvolvida a partir das cinemÃticas direta e inversa e o controle de posiÃÃo dos motores de induÃÃo atuando desacoplados do sistema e alocados no manipulador. Deste modo, foram desenvolvidas duas estratÃgias de controle de manipuladores com dois graus de liberdade, uma utilizando o esquema por controle vetorial de campo orientado indireto e outra atravÃs de controle por modos deslizantes (Sliding Mode Control â SMC). Estas estratÃgias de controle sÃo aplicadas a malha de corrente dos motores de induÃÃo que acionam o manipulador. Os parÃmetros do controlador de posiÃÃo dos manipuladores sÃo levados em consideraÃÃo no cÃlculo dos parÃmetros do controlador da malha de controle de corrente, de modo a se obter resultados satisfatÃrios no posicionamento dos graus de liberdade. AlÃm disso, foi realizado um estudo comparativo entre o controle vetorial de campo orientado indireto e o controle de modos deslizantes aplicado na malha de corrente. A vantagem do SMC em relaÃÃo ao controle vetorial de campo orientado indireto deveu-se a que o primeiro possuÃa em sua lei de controle desenvolvida nesta tese a utilizaÃÃo direta da posiÃÃo do grau de liberdade do manipulador, enquanto que o segundo atuava somente como um controlador com rejeiÃÃo ao distÃrbio. O controlador Proporcional-Integral (PI) foi utilizado nas malhas de posiÃÃo e velocidade de modo a fornecer um padrÃo de comparaÃÃo confiÃvel entre os controladores de corrente. Com a finalidade de implementar o sistema de controle de cada motor individualmente e dos motores acoplados ao manipulador utilizou-se um processador digital de sinais.
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Pavan, Rayana Siva. "Study of Induction Motor Drive With Indirect Vector Control Using Space Vector Pulse Width Modulation." Thesis, 2017. http://ethesis.nitrkl.ac.in/8946/1/2017_MT_RSPavan.pdf.

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Induction motors are thee starting point to design an electrical drivee system which is widely used in many industrial applications. Inn modern control theory, different mathematical models describe induction motor according to thee employed control methods. Vector control strategy can bee applied to this electrical motor type inn symmetrical three phase version or in unsymmetrical two phase version. The operation of the induction motor can be analyzed similar to a DC motor through this control method. With the Joint progress of thee power electronics and numerical electronics it is possible today to deal with thee axis control with variable speed inn low power applications. With these technological projections, various command approaches have been developed by the scientific community to master inn real time, thee flux and thee torque of thee electrical machines, thee indirect vector control (IVC) scheme being one of the most recent steps in this direction. This scheme provides excellent properties of regulation without rotational speed feedback. Inn this control scheme thee electromagnetic torque and stator flux magnitude are estimated with only stator voltages and currents and this estimation does not depend on motor parameters except for thee stator resistance. Inn this dissertation report conventional IVC scheme has been described. Induction motor has been simulated inn stationary d-q reference frame and its free acceleration characteristics are drawn. Conventional IVC scheme has been simulated with a 50 HP, 460V, 50Hz induction motor. Literature review has been done to study the recent improvements inn IVC scheme which somehow is abe to overcome the drawbacks of conventional one. Thee space vector modulation technique (SVPWM) is applied to 2 level inverter control inn thee vector control based induction motor drivee system, thereby dramatically reducing thee torque ripple. Later inn this project space vector PWM technique will be applied to IVC drivee system to reduce thee torque ripple.
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Hwung, Hong-Rong, and 黃烘榮. "Optimal Position Control Of Induction Motor Using Aritificial Intelligence and Indirect Vector-control Techniques." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/64404718390974769318.

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碩士<br>國立中正大學<br>電機工程學系<br>84<br>This thesis proposes a novel method using artificial intelligence and indirectvector-control techniques for position control of induction motor.The fuzzy phase-plane theory is employed for the design of the controllers.Five controllers are proposed, which are able to achieve good performance underchanges of operating conditions of wide range. The proposed controllers applythe method of genetic algorithms of evolutionary direction operator of improvementtype to requirement of exerting multifarious experiences of expert and proceduresof defuzziness, the controllers can attain more quick response than that of theconventonal fuzzy controllers. What is more, since the output signal of thecontrolls is operated by continues nonlinear function, it is in favor of thedesign of optimal control and the analysis of stability.The control technique using artificial intelligence and indirect vector- controlwere successfully explored and simulated. Simulation results show that theapproach is computationally efficient and has exceedingly good control performance.Furthermore, because of employing the fuzzy phase-plane technique, no transferfunction development is required for the implementation of the method. Thusethe proposed controllers have the advantages of easiness and flexibility fordesign.
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KUMAR, PANKAJ. "DESIGN AND SIMULATION OF INDIRECT VECTOR CONTROL SCHEME FOR TRACTION MOTOR DRIVE." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15010.

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Induction motor of large rating are used in traction. This work is focused on developing the effective control strategies and configuration for control of Traction Motor Drive. This work is extended to control the speed and torque of traction motor using current control hysteresis loop controller. The proposed control strategy is analyzed and confirmed by simulation studies of mathematical models used. This work is carried out on 220 kW Traction Motor. Further, indirect vector control for the control of speed of traction motor is used in the present study Much attention has been given to the motor torque and speed control. At the present time, the Vector control has widespread use in high performance traction motor drives. It allows, by means of a co-ordinate transformation, to decouple the electromagnetic torque from the rotor flux, and hence manage speed control of traction motor. The decoupling control between the flux and torque allows traction motor to achieve fast transient response. Field orientation control can be obtained using hysteresis current controller.
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Karmazin, Max. "Simplified fuzzy logic controller based indirect vector control of an induction motor drive /." 2003.

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Patra, Nirupama. "Study of Induction motor drive with Direct Torque Control scheme and Indirect Field Oriented control scheme with Space Vector Modulation." Thesis, 2013. http://ethesis.nitrkl.ac.in/5162/1/211EE2136.pdf.

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Induction motors are the starting point to design an electrical drive system which is widely used in many industrial applications. In modern control theory, different mathematical models describe induction motor according to the employed control methods. Vector control strategy can be applied to this electrical motor type in symmetrical three phase version or in unsymmetrical two phase version. The operation of the induction motor can be analyzed similar to a DC motor through this control method. With the Joint progress of the power electronics and numerical electronics it is possible today to deal with the axis control with variable speed in low power applications. With these technological projections, various command approaches have been developed by the scientific community to master in real time, the flux and the torque of the electrical machines, the direct torque control (DTC) scheme being one of the most recent steps in this direction. This scheme provides excellent properties of regulation without rotational speed feedback. In this control scheme the electromagnetic torque and stator flux magnitude are estimated with only stator voltages and currents and this estimation does not depend on motor parameters except for the stator resistance. In this dissertation report conventional DTC scheme has been described. Induction motor has been simulated in stationary d-q reference frame and its free acceleration characteristics are drawn. Conventional DTC scheme has been simulated with a 50 HP, 460V, 60Hz induction motor. Literature review has been done to study the recent improvements in DTC scheme which somehow is able to overcome the drawbacks of conventional one. The space vector modulation technique (SVPWM) is applied to 2 level inverter control in the vector control based induction motor drive system, thereby dramatically reducing the torque ripple. Later in this project space vector PWM technique will be applied to DTC drive system to reduce the torque ripple. II
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Charanteja, Rongali. "Comparative Analysis of Hysteresis Current Control and SVPWM on FLC based Indirect Vector Controlled Induction Motor Drive." Thesis, 2018. http://ethesis.nitrkl.ac.in/9647/1/2018_MT_216EE4299_RCharanteja_Comparative.pdf.

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Over the years,Induction motors (IM) are widely used in many industrial applications as workhorse, because of its advantages such as simple and robust in construction, highly reliable and capability of working in extreme conditions. However, as compared to DC motor speed control of IM is complex due to coupling between flux and torque components of currents. Speed of IM controlled either by scalar control technique or by vector control technique. Scalar control technique is preferred in many applications for speed control of IM due to its simplicity. In scalar control, speed control of IM obtained by regulating magnitudes of stator voltage and frequency. However, this technique suffers with poor dynamic response. To enhance dynamic response, vector control technique preferred for speed control of IM. With vector control technique, IM behaves like a separately controlled DC motor. However, this technique employs coordination transformations, modulation techniques and current controllers. Vector control technique classified into two categories based on unit vector generation named as direct vector control and indirect vector control. In direct vector control technique, unit vector estimated using hall sensors. However, placing these sensors on stator poles is difficult. Indirect vector control overcomes these drawbacks. Proportional-Integral (PI) controller used in indirect vector controlled IM drive to control speed. However, this PI controller requires accurate gain values for better performance. As operating conditions changes, tuning of PI controller gains required for high performance IMD. Moreover, PI controller is unable perform satisfactorily with load torque and speed changes. Therefore, fuzzy logic controller (FLC) used to replace PI speed controller. FLC is simple to implement without any mathematical equations. Modulation techniques required to produce gating pulses for inverter switches. Modulation techniques broadly classified into two categories such as voltage and current control methods. Voltage control again subdivided as sinusoidal pulse width modulation (SVPWM), space vector pulse width modulation (SVPWM) techniques. Similarly, current control divided into hysteresis and delta control. Among all these techniques, SVPWM and Hysteresis control techniques are preferred in high power applications. Hysteresis control is simple and can give fast response but it suffered with variable operating switching frequency. SVPWM technique can give good steady state response with fixed switching frequency.
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Chen, Yu-Chung, and 陳宥中. "Sliding Mode Scheme for Sensorless Indirect Vector Control of Induction Motor Drives with Rotor Time Constant Online Tuning." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/tms6g2.

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碩士<br>崑山科技大學<br>電機工程研究所<br>97<br>A speed sensorless system is proposed for indirect vector control of induction motor drive. The synchronous flux angle used in indirect vector control are often sensitive to the motor parameters. In this thesis, a rotor time constant online tuner and a robust to parameters variations sliding mode observer are adopted. The former tuning scheme consists of a magnetic current observer and a rotor time constant observer. The estimated rotor time constant will approach to the actual rotor time constant when the estimated current error approaches zero. The proposed flux observer is based on a sliding mode stator current observer. Rotor flux is merely integrated from the control input of the current observer when the estimated current error approaches zero. In other words, the sliding mode observer is insensitive to motor parameters variations. Then, the aforementioned rotor time constant online tuning scheme and sliding mode rotor flux observer are combined with the sliding mode current controller proposed in [18] and apply to a speed sensorless induction motor drives. First, the proposed control scheme has simulated by MATLAB/Simulink toolbox to verify the feasibility of the proposed strategy. Finally, a PC-based experimental system is constructed to test the performances of the drive system.
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Book chapters on the topic "IFOC (Indirect Vector Control)"

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Joshi, Girisha, and Pinto Pius A J. "Fuzzy Logic Controller for Indirect Vector Control of Induction Motor." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0626-0_40.

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Li, Yimin. "An Exploration of Voltage-Type Rotor Magnetic Field Indirect Vector Control." In Proceedings of the 6th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2023. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9319-2_13.

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Imtiyaz, Tanzeel, Anupama Prakash, Farhad Ilahi Bakhsh, and Anjali Jain. "Modelling and Analysis of Indirect Field-Oriented Vector Control of Induction Motor (IM)." In Lecture Notes in Electrical Engineering. Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-7393-1_18.

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Venu Gopal, B. T., E. G. Shivakumar, and H. R. Ramesh. "An Experimental Setup for Implementation of Fuzzy Logic Control for Indirect Vector-Controlled Induction Motor Drive." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4676-1_18.

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Wang, Kang, Qingzhang Chen, and Zhengyi Wang. "Simulation Analysis of Rotor Indirect Field Oriented Vector Control System for AC Induction Motor in Low Speed Electric Vehicles." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5768-7_42.

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Chetouani, Elmostafa, Youssef Errami, Abdellatif Obbadi, and Smail Sahnoun. "Backstepping and Indirect Vector Control for Rotor Side Converter of Doubly Fed-Induction Generator with Maximum Power Point Tracking." In Digital Technologies and Applications. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73882-2_155.

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Novotny, D. W., and T. A. Lipo. "Parameter Sensitivity and Saturation Effects in Indirect Field Orientation." In Vector Control and Dynamics of AC Drives. Oxford University PressOxford, 1996. http://dx.doi.org/10.1093/oso/9780198564393.003.0008.

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Abstract The overall effect of this detuning is to incorrectly calculate the rotor field angle. In general, this causes the actual stator current components to be incorrect with the result that: (1) the flux level is not properly maintained, (2) the resulting steady state torque is not the commanded value, and (3) the torque response is not instantaneous.
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Ryan, Sadie J., Catherine A. Lippi, Kevin L. Bardosh, et al. "Direct and Indirect Social Drivers and Impacts of Vector-Borne Diseases." In Population Biology of Vector-Borne Diseases. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198853244.003.0014.

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Vector borne diseases (VBDs) are often seen by the highly developed nations of the world as an issue of poor tropical countries. While framing the problem this way—through the paradigm of a poverty-trap—may leverage aid and motivate political will toward disease control, it misses a wide range of socio-political contexts both driving, and driven by, vector borne diseases. In this chapter, we present a series of global vignettes, to illustrate different facets of the broad remit of social drivers and interactions with VBDs. We approach the urban social-ecological context in Latin America and the Caribbean, impacts and aftermath of natural disasters such as earthquakes and tropical storms, struggles with trust in intervention implementation in Haiti, and drivers and impacts of ruminant arbovirus emergence events in Europe. We conclude that incorporating an understanding of social context, including political history and cultural perceptions, is a key part of VBD research and intervention practice.
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"Indirect Power Control (IDPC) of DFIG Using Classical & Adaptive Controllers Under MPPT Strategy." In Improved Indirect Power Control (IDPC) of Wind Energy Conversion Systems (WECS), edited by Fayssal Amrane and Azeddine Chaiba. BENTHAM SCIENCE PUBLISHERS, 2019. http://dx.doi.org/10.2174/9789811412677119010005.

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In this chapter, we present a comparative study of conventional Indirect Power Control (IDPC) algorithm of DFIG-Wind turbine in grid-connection mode, using PI and PID controllers via Maximum power point tracking (MPPT) strategy. Firstly, the conventional IDPC based on PI controllers will be described using simplified model of DFIG through stator flux orientation and wind-turbine model. The MPPT strategy is developed using Matlab/Simulink® with two wind speed profiles in order to ensure the robustness of wind-system by maintaining the Power coefficient (Cp) at maximum value and reactive power at zero level; regardless unexpectedF wind speed variation. Secondly, the rotor side converter (RSC) and Grid side converter (GSC) are illustrated and developed using Space vector modulation (SVM) in order to minimize the stress and the harmonics and to have a fixed switching frequency. In this context, the switching frequency generated by IDPC to control the six IGBTs of the inverter (RSC), and this control algorithm works under both Sub- and Supersynchronous operation modes and depending to the wind speed profiles. The quadrants operation modes of the DFIG are described in details using real DFIG to show the power flow under both modes (motor and generator in the four (04) quadrants. Finally, the conventional IDPC have several drawbacks as: response time, power error and overshoot. In this context, the PID and MRAC (adaptive regulator) controllers are proposed instead of the PI to improve the wind-system performances via MPPT strategy with/without robustness tests. The obtained simulation results under Matlab/Simulink® show high performances (in terms of power error, power tracking and response time) in steady and transient states despite sudden wind speed variation, whereas big power error and remarkable overshoot are noted using robustness tests, so the proposed IDPC can not offer big improvement under parameter variation.
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Dabour, Sherif, Mohamed Hussien, Ahmed Aboushady, and Mohamed E. Farrag. "Sensorless Speed Observer for Industrial Drives based Induction Motors with Low Complexity." In Induction Motors - Recent Advances, New Perspectives and Applications [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1001150.

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This chapter presents a simple method to efficiently predict the rotor speed for a sensorless vector control technique applied to induction motors (IMs). The motor is supplied by a Simplified Split-Source Inverter (S3I), which provides dc-boosting and ac-inversion processes during input voltage sag. It also has a wider modulation range and a lower harmonic content than conventional boosting inverters. With this contribution, it is possible to efficiently estimate the rotor position directly without needing a PI controller with fluctuated supply voltage. The proposed strategy can be divided into three parts. The first uses a dual-loop controller to obtain the reference DC-boosted voltage of the SSI and regulate the input current. The second is the suggested observer for speed detection, which is derived from the principles of phase axis relations of the adopted machine currents and the indirect rotor flux orientation control (IRFOC) approach. With a newly developed space vector modulation, the third part will generate the switching pulses of the inverter switches. A complete analysis has been conducted to ensure the observability of the proposed technique. A series of PLECS simulations were conducted to verify the concept. The obtained results validate the proposed strategy with the S3I topology.
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Conference papers on the topic "IFOC (Indirect Vector Control)"

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Cheng, Tao, Bin Zhang, Xiaozhen Liu, Wenhao Li, Ran Guo, and Maoyang Cheng. "Fuzzy indirect vector control method for relay protection devices under dynamic time regulation." In 2024 3rd International Conference on Energy and Electrical Power Systems (ICEEPS). IEEE, 2024. http://dx.doi.org/10.1109/iceeps62542.2024.10693009.

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Panpean, Chakrit, Nontakan Mangkala, Phonsit Santiprapan, and Jeerawan Homjan. "Predictive Controller Based on Indirect Vector Control for Induction Motor in Electric Vehicle." In 2024 27th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2024. https://doi.org/10.23919/icems60997.2024.10921136.

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Kannepally, Swetha, and Ch Murali. "Indirect Field Oriented Vector Control for Five-Phase Open End Winding Asynchronous Generator in Wind Energy System." In 2024 2nd International Conference on Cyber Physical Systems, Power Electronics and Electric Vehicles (ICPEEV). IEEE, 2024. https://doi.org/10.1109/icpeev63032.2024.10932062.

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Moreano, Juan U., and Edilberto H. Vásquez. "Implementation of Indirect Field Oriented Control (IFOC) for a Three-phase Induction Motor." In Modelling, Simulation and Identification / 841: Intelligent Systems and Control. ACTAPRESS, 2016. http://dx.doi.org/10.2316/p.2016.841-012.

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Ahmad, Ishtiyaque, and R. K. Tripathi. "Indirect field oriented control (IFOC) of induction motor using SVPWM fed with Z-source inverter." In 2012 Students Conference on Engineering and Systems (SCES). IEEE, 2012. http://dx.doi.org/10.1109/sces.2012.6199049.

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Osorio, Joycer, Pedro Ponce, and Arturo Molina. "Electric Vehicle Powertrain Control with Fuzzy Indirect Vector Control." In 2012 11th Mexican International Conference on Artificial Intelligence (MICAI). IEEE, 2012. http://dx.doi.org/10.1109/micai.2012.33.

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Beran, Leos, and Martin Diblik. "Indirect torque measurement using industrial vector control frequency converter." In 2016 17th International Carpathian Control Conference (ICCC). IEEE, 2016. http://dx.doi.org/10.1109/carpathiancc.2016.7501065.

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Kumari, Rajni, and Ratna Dahiya. "Speed control of solar water pumping with indirect vector control technique." In 2018 2nd International Conference on Inventive Systems and Control (ICISC). IEEE, 2018. http://dx.doi.org/10.1109/icisc.2018.8399039.

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Arya, S., and G. K. Nisha. "Indirect Space Vector Modulation Based Three Phase Matrix Converter." In 2018 International CET Conference on Control, Communication, and Computing (IC4). IEEE, 2018. http://dx.doi.org/10.1109/cetic4.2018.8531014.

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Zeb, Kamran, Ayesha, Aun Haider, et al. "Indirect Vector Control of Induction Motor using Adaptive Sliding Mode Controller." In 2016 Australian Control Conference (AuCC). IEEE, 2016. http://dx.doi.org/10.1109/aucc.2016.7868216.

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Reports on the topic "IFOC (Indirect Vector Control)"

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Gottlieb, Yuval, Bradley Mullens, and Richard Stouthamer. investigation of the role of bacterial symbionts in regulating the biology and vector competence of Culicoides vectors of animal viruses. United States Department of Agriculture, 2015. http://dx.doi.org/10.32747/2015.7699865.bard.

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Symbiotic bacteria have been shown to influence host reproduction and defense against biotic and abiotic stressors, and this relates to possible development of a symbiont-based control strategy. This project was based on the hypothesis that symbionts have a significant impact on Culicoides fitness and vector competence for animal viruses. The original objectives in our proposal were: 1. Molecular identification and localization of the newly-discovered symbiotic bacteria within C. imicola and C. schultzei in Israel and C. sonorensis in California. 2. Determination of the prevalence of symbiotic bacteria within different vector Culicoides populations. 3. Documentation of specific symbiont effects on vector reproduction and defense: 3a) test for cytoplasmic incompatibility in Cardinium-infected species; 3b) experimentally evaluate the role of the symbiont on infection or parasitism by key Culicoides natural enemies (iridescent virus and mermithid nematode). 4. Testing the role(s) of the symbionts in possible protection against infection of vector Culicoides by BTV. According to preliminary findings and difficulties in performing experimental procedures performed in other insect symbiosis systems where insect host cultures are easily maintained, we modified the last two objectives as follows: Obj. 3, we tested how symbionts affected general fitness of Israeli Culicoides species, and thoroughly described and evaluated the correlation between American Culicoides and their bacterial communities in the field. We also tried alternative methods to test symbiont-Culicoides interactions and launched studies to characterize low-temperature stress tolerances of the main US vector, which may be related to symbionts. Obj. 4, we tested the correlation between EHDV (instead of BTV) aquisition and Cardinium infection. Culicoides-bornearboviral diseases are emerging or re-emerging worldwide, causing direct and indirect economic losses as well as reduction in animal welfare. One novel strategy to reduce insects’ vectorial capacity is by manipulating specific symbionts to affect vector fitness or performance of the disease agent within. Little was known on the bacterial tenants occupying various Culicoides species, and thus, this project was initiated with the above aims. During this project, we were able to describe the symbiont Cardinium and whole bacterial communities in Israeli and American Culicoides species respectively. We showed that Cardinium infection prevalence is determined by land surface temperature, and this may be important to the larval stage. We also showed no patent significant effect of Cardinium on adult fitness parameters. We showed that the bacterial community in C. sonorensis varies significantly with the host’s developmental stage, but it varies little across multiple wastewater pond environments. This may indicate some specific biological interactions and allowed us to describe a “core microbiome” for C. sonorensis. The final set of analyses that include habitat sample is currently done, in order to separate the more intimately-associated bacteria from those inhabiting the gut contents or cuticle surface (which also could be important). We were also able to carefully study other biological aspects of Culicoides and were able to discriminate two species in C. schultzei group in Israel, and to investigate low temperature tolerances of C. sonorensis that may be related to symbionts. Scientific implications include the establishment of bacterial identification and interactions in Culicoides (our work is cited in other bacteria-Culicoides studies), the development molecular identification of C. schultzei group, and the detailed description of the microbiome of the immature and matched adult stages of C. sonorensis. Agricultural implications include understanding of intrinsic factors that govern Culicoides biology and population regulation, which may be relevant for vector control or reduction in pathogen transmission. Being able to precisely identify Culicoides species is central to understanding Culicoides borne disease epidemiology.
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