Relevant bibliographies by topics / Direct Torque Control

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Direct Torque Control'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 March 2023

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Journal articles on the topic "Direct Torque Control"

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Merentie, Tuomo. "ABB: Direct torque control." Industrial Robot: An International Journal 22, no. 2 (April 1995): 27–28. http://dx.doi.org/10.1108/eum0000000004183.

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Shibahata, Yasuji, and Tatsuhiro Tomari. "Direct Yaw Control Torque Vectoring." ATZautotechnology 6, no. 3 (May 2006): 34–38. http://dx.doi.org/10.1007/bf03246950.

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Al Azze, Qasim, and Imad Abdul-Rida Hameed. "Reducing torque ripple of induction motor control via direct torque control." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (April 1, 2023): 1379. http://dx.doi.org/10.11591/ijece.v13i2.pp1379-1386.

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<span lang="EN-US">The induction motor is extremely well known and used as an alternating current (AC) machine. Therefore, torque and speed regulations are very essential for this type of machine. This paper presents direct torque control (DTC) based on induction motors (IM). The mathematical model of IM is reported, and the machine is modeled in a synchronous coordinate farm. Classic DTC is applied to IM with two bandwidths of hysteresis controller for electromagnetic torque and stator flux. The system is simulated and investigated via MATLAB/Simulink and the results carry out a high ripple on the torque. There are numerous of improving torque response, one of them is adding a new loop for speed with proportional, integral, and derivative (PID) controllers. IM model with PID based on DTC is simulated through MATLAB. A contrast performance of IM is presented between traditional DTC and DTC with PID. As result, the new DTC with PID carries out improvement in the speed response as well reduces the ripples of torque.</span>
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Kromm, Andrey, Gennady Simakov, and Valery Topovsky. "Optimization of torque ripples in direct torque control drives." Proceedings of the Russian higher school Academy of sciences, no. 1 (July 8, 2021): 41–53. http://dx.doi.org/10.17212/1727-2769-2021-1-41-53.

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The article discusses the features of the synthesis of a hybrid method for commutation of a three-phase inverter in a classic version of drives with direct torque control (DTC), which involves the use of relay characteristics in the flux- and torque control blocks. It is proved that the output voltage of a converter based on a B6-inverter formed by only six basic vectors (excluding the zero vector) limits further optimization of flux- and torque ripples in the electrical motors. It has also been proven that with the classical drives with direct torque control, the torque ripples on the motor shaft are indeed higher than in systems with pulse width modulation. An analysis of the method was carried out which could allow reducing the amplitude of the torque ripples when drives with direct torque control are applied for motors supplied with only basic vectors of the inverter due to the modified (hybrid) method of inverter commutation. The conditions under which the hybrid control method of the inverter is really capable of reducing the amplitude of the motor flux- and torque ripples are considered. Based on the analysis of the proposed solution, the law of hybrid control of the inverter is presented by means of the formation of additional vectors of its output voltage via basic vectors of the inverter. The advantages of the method include the simplicity of drive control under development or in the existing drive control system, the implementation of which is carried out exclusively by a software product. With the absence of iterative methods of mathematics, the resources of microprocessor control units are reduced, which makes this method even more attractive in low-budget electrical drives that do not claim to be "high-end" of control blocks. The oscillograms are shown of a flux and current of motor with direct torque control motor application only with six base vectors of the output voltage of a semiconductor inverter and a drive with direct torque control by the hybrid method with additional voltage vectors based on the basic vectors of the inverter.
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Wu, Long, Liu Yi Ling, and Shuai Chen. "Direct Torque Control of Brushless DC Motor." Advanced Materials Research 591-593 (November 2012): 1651–54. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1651.

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Due to the good performance of brushless motor, its application is widespread. Brushless DC motor has following advantages that are low interference, low noise, high efficiency and so on, so it was widely used in industrial and control field. But DC motor has larger current commutation torque ripple, greatly reduce their reliability and stability. This design using direct torque control strategy to reduce torque ripple, and compares the control results of PI controller with direct torque control method. In the process of regulating motor’s speed ，When adopts PI controller here has great overshoot and start time of speed is long than direct torque control, current pulse obviously severe than direct torque control. The simulation results show that overall effect of direct torque control is superior than double closed loop control. It fully explains that the control strategy in this paper is effective.
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Rifqi Zuber Ahmadi, Muhd Zharif, Auzani Jidin, Maaspaliza Azri, Khairi Rahim, and Tole Sutikno. "Improved Torque Control Performance in Direct Torque Control using Optimal Switching Vectors." International Journal of Power Electronics and Drive Systems (IJPEDS) 5, no. 3 (February 1, 2015): 441. http://dx.doi.org/10.11591/ijpeds.v5.i3.pp441-452.

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This paper presents the significant improvement of Direct Torque Control (DTC) of 3-phases induction machine using a Cascaded H-Bidge Multilevel Inverter (CHMI). The largest torque ripple and variable switching frequency are known as the major problem founded in DTC of induction motor. As a result, it can diminish the performance induction motor control. Therefore, the conventional 2-level inverter has been replaced with CHMI the in order to increase the performance of the motor either in dynamic or steady-state condition. By using the multilevel inverter, it can produce a more selection of the voltage vectors. Besides that, it can minimize the torque ripple output as well as increase the efficiency by reducing the switching frequency of the inverter. The simulation model of the proposed method has been developed and tested by using Matlab software. Its improvements were also verified via experimental results.
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Madbouly, Sayed Osman. "Torque/Speed Control of 3PH Synchronous Reluctance Motor Using Direct Torque Control." International Review of Electrical Engineering (IREE) 17, no. 4 (August 31, 2022): 410. http://dx.doi.org/10.15866/iree.v17i4.21337.

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Rodríguez-Ponce, Rafael, and Francisco Gustavo Mota-Muñoz. "Microcontroller-Based Direct Torque Control Servodrive." Journal of Robotics 2020 (February 8, 2020): 1–11. http://dx.doi.org/10.1155/2020/9152494.

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Robot technology has become an integral part of the automotive industry in several tasks such as material handling, welding, painting, and part assembly. Therefore, the knowledge and skills to control the electric motors in these manipulators are essential for undergraduate electrical engineering students. Currently, the digital signal processor (DSP) is the core chip in industrial motor-control drives; however, the implementation of DSP control algorithms can be quite challenging for an experienced programmer, even more so for the novice. Considerable research has been done on this topic, although authors usually focus on DSP-based motor drives using popular control techniques such as field-oriented control (FOC). Although highly efficient, this approach is usually reserved for postgraduate education due to its complex structure and functionality. In this paper, the authors present a modular servodrive design on a low-cost, general-purpose microcontroller using the direct torque control (DTC) method, an alternative known for greater simplicity and torque response, compared with FOC. The system design was based on Micropython language allowing the software structure to be more manageable and the code to be more understandable. This design will be useful to undergraduates and researchers with interests in motor control design.
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Mahfouz, Ahmed A., Gamal M. Sarhan, and Abdel-Nasser A. Nafeh. "Microcontroller implementation of direct torque control." International Journal of Numerical Modelling: Electronic Networks, Devices and Fields 18, no. 1 (2004): 85–94. http://dx.doi.org/10.1002/jnm.566.

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Feng, Chen, Xia Chaoying, and Hou Xiaoxin. "Study on the losing control problem of direct torque control in permanent magnet synchronous motor drive." Transactions of the Institute of Measurement and Control 41, no. 2 (April 25, 2018): 504–15. http://dx.doi.org/10.1177/0142331218765298.

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In direct torque controlled permanent magnet synchronous motor drives, when the rotor speed or the load torque changes, the effect of a certain voltage vector on the torque also changes. In heavy-load or high-speed operating conditions, the torque may lose control. This paper presents an intensive investigation into this issue. With the help of relevant derivative curves, the primary cause for the losing control problem is analysed. Further study reveals that the effect of a certain voltage vector on the load angle is no relevant for the load conditions. Based on this property, by replacing the torque hysteresis comparator with a load angle hysteresis comparator, a modified direct torque control called the load-angle-feedback direct torque control is proposed and the original superiorities of the direct torque control are well preserved. Comparison between the direct torque control and the proposed method shows that the load capacity and speed operation range may be obviously extended by utilizing the proposed method.
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Dissertations / Theses on the topic "Direct Torque Control"

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Magalhães, Pedro Mendes de Lacerda Peixoto de. "Direct torque control em máquinas assíncronas." Master's thesis, Faculdade de Ciências e Tecnologia, 2009. http://hdl.handle.net/10362/3977.

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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do grau de Mestre em Engenharia Electrotécnica e de Computadores
Este trabalho incide sobre o DTC (Direct Torque Control ), técnica de controlo de máquinas eléctricas(polifásicas) de corrente alternada, em particular a máquina assíncrona, e o seu objectivo é construir bases para trabalho futuro nesta área, nomeadamente através da análise crítica dos componentes elementares da técnica e seu desempenho. A realização deste trabalho prevê o estudo teórico do método de controlo e avaliação das suas características a partir de simulação e implementação prática
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Abdalla, Abdelnassir. "Torque Ripple Minimization in Direct Torque Control of Induction Machines." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1116121267.

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Alam, S. M. Mahfuz. "Direct Torque Control of AC Machine Drives." Thesis, Southern Illinois University at Edwardsville, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10128872.

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Field oriented control (FOC) and direct torque control (DTC) are the two most important control strategies for modern advanced machine drives. Field oriented control (FOC) has been widely used as the industrial motor drives. The direct torque control has been recently developed by Takashi and has shown great potential in machine drive applications. This thesis discusses the performances of direct torque control on AC machine drives including the industrial workhorse induction machines (IM) and permanent magnet synchronous machines (PMSM). Both of the IM and PMSM dynamics models are derived in details in the thesis. By applying nonlinear filtering techniques, the sensorless direct torque control of AC machine drives are studied. MATLAB simulations have shown the efficacy and superior performance of the resilient extended Kalman filter over the traditional extended Kalman filter for direct torque control applications.

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Lüdtke, Ingo. "The direct torque control of induction motors." Thesis, University of South Wales, 1998. https://pure.southwales.ac.uk/en/studentthesis/the-direct-torque-control-of-induction-motors(5b85e666-04b6-493b-b615-c5e2144d03c6).html.

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This thesis is mainly devoted to the investigation of speed control methods of three phase, cage rotor induction motors with particular emphasis being given to vector control and direct torque control techniques. Modern control strategies such as vector control and direct torque control are investigated as well as the conventional methods such as open loop (constant V/f) operation. A number of different pulse width modulation (p.w.m.) waveform generation strategies are simulated and discussed and their application to the above speed control systems fully investigated. A 3kW, three phase induction motor drive has been designed and experimental data obtained from it in order to verify the results achieved by simulation. It is shown that direct torque control achieves decoupling of the motor torque and the motor flux without the use of a co-ordinate transform. A variation of the direct torque control algorithm has also been developed and implemented. It is shown, that by using different switching tables for the selection of voltage vectors, the performance of direct torque control can be further improved. Further insight into the nature of direct torque control has been gained from the study of the effect of the application of inverter switch settings, or the application of corresponding voltage vectors, on the motor flux and torque. It has been found that the range of torque variation of the motor drive system depends strongly on both the motor load torque and the motor speed. The results of the work reported indicate that the range of torque variation for a drive system which strongly depends on motor load torque and motor speed is considerably reduced by the novel direct torque control system resulting from the research. The control algorithms have been implemented on 32 bit micro processors which facilitate the use of parallelism in both the hardware and the software design. The resulting system is capable of controlling a three phase induction motor with variable voltage and variable frequency with control strategies such as six step operation, symmetric and asymmetric regular and natural sampled p.w.m. waveforms, sigma delta modulation methods, space vector modulation techniques, flux vector control and direct torque control.
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Arias, Pujol Antoni. "Improvements in direct torque control of induction motors." Doctoral thesis, Universitat Politècnica de Catalunya, 2001. http://hdl.handle.net/10803/6317.

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This thesis is mainly devoted to the investigation of speed control methods for three phase cage induction motors with particular emphasis being given to Direct Torque Control (DTC) improved techniques.
Classical Direct Torque Control has inherent disadvantages such as: problems during starting resulting from the null states, the compulsory requirement of torque and flux estimators, and torque ripple. In the classical DTC induction motor drive a voltage vector is applied for the entire period, and this causes the stator current and electromagnetic torque exceeds its reference value early during the cycle, causing a high torque ripple. Switching cycles then follows this, in which the zero switching vectors are applied in order to reduce the electromagnetic torque to reference value. This thesis suggests a technique based on applying to the inverter the selected active states just enough time to achieve the torque and flux references values. The rest of the switching period a null state is selected which won't almost change both the torque and the flux. Therefore, a duty ratio has to be determined each switching time. By means of varying the duty ratio between its extreme values (0 up to 1) it is possible to apply any voltage to the motor. The optimum duty ratio per sampling period is a non-linear function of the electromagnetic torque error, the stator flux position and the working point, which is determined by the motor speed and the electromagnetic torque. It is obvious that it is extremely difficult to model such an expression since it is a different non-linear function per working point. Therefore, this thesis is focused on performing a fuzzy-logic-based duty-ratio controller, where the optimum duty ratio is determined every switching period. Additionally, this Fuzzy Controller is adaptive and may be applied to any induction motor.
A stator flux reference optimum controller is also designed, which not only helps to achieve a smaller torque ripple, but also reduces the reactive power consumption of the drive taken from the main supply. This is achieved by changing the stator flux reference value with reference being made to the correspondent torque reference value. Therefore, the stator flux reference value chosen is to be just of sufficient value to produce the desired torque
Simulated results are shown in order to compare the classical DTC and the Fuzzy Logic based DTC.
The control algorithms have been implemented on a PC/DSP based board that facilitates the use of parallelism in software design. A 1.5kW, three-phase induction motor drive has been designed and experimental data obtained from it in order to verify the results achieved by simulation.
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del, Toro García Xavier. "Improvements in direct torque control of induction motors." Thesis, University of South Wales, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.446106.

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Okumus, Halil Ibrahim. "Improved direct torque control of induction machine drives." Thesis, University of Bristol, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364958.

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Tsoutsas, Athanasios. "Designing a sensorless torque estimator for direct torque control of an induction motor." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Sep/09Sep%5FTsoutsas.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, September 2009.
Thesis Advisor(s): Julian, Alexander L. "September 2009." Description based on title screen as viewed on November 5, 2009. Author(s) subject terms: Induction Motor, Electromagnetic Torque Estimator, Field Programmable Gate Array (FPGA), XILINX. Includes bibliographical references (p. 59). Also available in print.
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Mascarenhas, Manuel Maria Brás Pereira. "Speed control of induction machine based on direct torque control method." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/9957.

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Dissertação para obtenção do Grau de Mestre em Engenharia Electrotécnica e de Computadores
Multi-level converters have been receiving attention in the recent years and have been proposed as the best choice in a wide variety of medium voltage applications. They enable a commutation at substantially reduced voltages and an improved harmonic spectrum without a series connection of devices, which is the main advantage of a multi-level structure. The use of multi-level inverters contributes to the performances amelioration of the induction machine control. In fact, the use of three level inverter (or multilevel inverter) associated with DTC control can contribute to more reducing harmonics and the ripple torque and to have a high level of output voltage. A variation of DTC-SVM with a three level neutral point clamped inverter is proposed and discussed in the literature. The goal of this project is to study, evaluate and compare the DTC and the proposed DTC-SVM technique when applied to induction machines through simulations. The simulations were carried out using MATLAB/ SIMULINK simulation package. Evaluation was made based on the drive performance, which includes dynamic torque and flux responses, feasibility and the complexity of the systems.
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Ocen, David. "Direct Torque Control of a Permanent Magnet synchronous Motor." Thesis, KTH, Reglerteknik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109456.

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This work presents an improved variant of the Direct Torque Control (DTC) for a Permanent Magnet Synchronous Motor (PMSM). The improved DTC use a higher number of voltage space vectors by introducing a kind of Space Vector Modulation technique. The higher number of space vectors are tabulated in more precise switch tables which also take the emf induced in the stator windings into account. The emf voltage significantly affect the motor behavior from a given space vector. It is discussed how the switch tables are constructed. Experiments from the classical and improved DTC are compared and show that the torque, flux linkage and stator current ripples are significantly decreased with the improved DTC.
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Books on the topic "Direct Torque Control"

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Sensorless vector and direct torque control. Oxford: Oxford University Press, 1998.

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Bird, Ian Gerard. Enhanced direct torque control for high dynamic performance induction motor drives. Birmingham: University of Birmingham, 1998.

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Luukko, Julius. Direct torque control of permanent magnet synchronous machines-analysis and implementation. Lappeenranta, Finland: Lappeenranta University of Technology, 2000.

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D, Lorenz Robert, and NASA Glenn Research Center, eds. Stator and rotor flux based deadbeat direct torque control of induction machines. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2002.

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D, Lorenz Robert, and NASA Glenn Research Center, eds. Stator and rotor flux based deadbeat direct torque control of induction machines. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2001.

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Kenny, Barbara H. Stator and rotor flux based deadbeat direct torque control of induction machines. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2002.

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Niemelä, Markku. Position sensorless electrically excited synchronous motor drive for industrial use based on direct flux linkage and torque control. Lappeenranta, Finland: Lappeenranta University of Technology, 1999.

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Pyrhönen, Olli. Analysis and control of excitation, field weakening and stability in direct torque controlled electrically excited synchronous motor drives. Lappeenranta, Finland: Lappeenranta University of Technology, 1998.

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Vaez-Zadeh, Sadegh. Direct Torque Control. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198742968.003.0004.

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The fundamental principles of direct torque control (DTC) of permanent magnet synchronous (PMS) motors are presented in this chapter. The basic DTC system is then described. The operating limits of PMS machines under DTC are presented in terms of current limit, voltage limit, and flux linkage limit. Also, flux linkage control, including maximum torque per ampere (MTPA), unity power factor, and flux weakening at high speed, is derived. Then, alternative DTC schemes, including different SVM-DTC schemes, are presented. In line with the increasing energy-saving tendency in industrial applications, major emphasis is placed on the loss minimization of DTC. Finally, a comprehensive comparison was made between the basic DTC and vector control, emphasizing the pros and cons of DTC with respect to vector control.
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Lüdtke, Ingo. The direct torque control of induction motors. 1998.

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Book chapters on the topic "Direct Torque Control"

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Ning, Bowen, Shanmei Cheng, and Yi Qin. "Direct Torque Control of PMSM with Torque Ripple Reduction Based on Fuzzy Logic Control." In Communications in Computer and Information Science, 295–305. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-49014-3_27.

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Liu, YingPei. "Space Vector Modulated Direct Torque Control for PMSM." In Advances in Computer Science, Intelligent System and Environment, 225–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23756-0_37.

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Ahmad, Mukhtar. "Direct Torque Control and Sensor-Less Control of Induction Machine." In High Performance AC Drives, 77–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13150-9_4.

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Jia, Taihua. "Direct Torque Control System of Electric Vehicle Based on Torque Hysteresis Adjustment." In Advances in Intelligent Systems and Computing, 1443–48. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15235-2_202.

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Li, Shan, and Dan-ping Qi. "Fuzzy Direct Torque Control of Six Phase Induction Machine Based on Torque Prediction." In Advances in Soft Computing, 1209–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03664-4_129.

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Figueroa, Fernando David Ramirez, and Alfredo Victor Mantilla Caeiros. "Hybrid Intelligent Speed Control of Induction Machines Using Direct Torque Control." In Advances in Soft Computing, 319–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25330-0_28.

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Douiri, Moulay Rachid, and Mohamed Cherkaoui. "Intelligence Approaches Based Direct Torque Control of Induction Motor." In Adaptive and Natural Computing Algorithms, 50–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37213-1_6.

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Sim, Sy Yi, Wahyu Mulyo Utomo, Zainal Alam Haron, Azuwien Aida Bohari, Nooradzianie Muhd Zin, and Roslina Mat Ariff. "Induction Motor Drive Based Neural Network Direct Torque Control." In Lecture Notes in Electrical Engineering, 255–62. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-6996-0_27.

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Patel, Pravinkumar D., and Saurabh N. Pandya. "Energy Regeneration in Direct Torque Control Drive of Induction Motor." In Lecture Notes in Electrical Engineering, 179–89. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0226-2_14.

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Tian, Sheng, and Xing-feng Fu. "Fuzzy Adaptive PID Strategy for Asynchronous Machines Direct Torque Control." In Advances in Intelligent and Soft Computing, 1249–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03664-4_133.

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Conference papers on the topic "Direct Torque Control"

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Schofield, J. R. G. "Direct torque control - DTC." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951108.

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Ludtke, I. "Direct torque control of induction motors." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951113.

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"Session TH25: Direct torque control." In 2008 IEEE Power Electronics Specialists Conference. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592716.

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Wade, S. "Comparison of stochastic and deterministic parameter identification algorithms for indirect vector control." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951109.

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Tez, E. S. "A simple understanding of field-orientation for AC motor control." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951110.

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Sokola, M. "Detuned operation of rotor flux oriented induction machines in the field-weakening region due to iron loss." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951111.

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Wall, S. "Vector control: a practical approach to electric vehicles." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951112.

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Vas, P. "DSP-controlled intelligent high-performance AC drives: present and future." In IEE Colloquium on Vector Control and Direct Torque Control of Induction Motors. IEE, 1995. http://dx.doi.org/10.1049/ic:19951114.

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Tong, Zhixue, and Rui Wang. "Direct Torque Control in Hybrid System." In 5th International Conference on Information Engineering for Mechanics and Materials. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icimm-15.2015.321.

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Ludtke, I. "A new direct torque control strategy." In IEE Colloquium on `Advances in Control Systems for Electric Drives'. IEE, 1995. http://dx.doi.org/10.1049/ic:19950758.

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Reports on the topic "Direct Torque Control"

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Seiz, Julie Burger. Digital signal processing control of induction machine`s torque and stator flux utilizing the direct stator flux field orientation method. Office of Scientific and Technical Information (OSTI), April 1997. http://dx.doi.org/10.2172/319898.

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2

An Input Linearized Powertrain Model for the Optimal Control of Hybrid Electric Vehicles. SAE International, March 2022. http://dx.doi.org/10.4271/2022-01-0741.

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Abstract:
Models of hybrid powertrains are used to establish the best combination of conventional engine power and electric motor power for the current driving situation. The model is characteristic for having two control inputs and one output constraint: the total torque should be equal to the torque requested by the driver. To eliminate the constraint, several alternative formulations are used, considering engine power or motor power or even the ratio between them as a single control input. From this input and the constraint, both power levels can be deduced. There are different popular choices for this one control input. This paper presents a novel model based on an input linearizing transformation. It is demonstrably superior to alternative model forms, in that the core dynamics of the model (battery state of energy) are linear, and the non-linearities of the model are pushed into the inputs and outputs in a Wiener/Hammerstein form. The output non-linearities can be approximated using a quadratic model, which creates a problem in the linear-quadratic framework. This facilitates the direct application of linear control approaches such as LQR control, predictive control, or Model Predictive Control (MPC). The paper demonstrates the approach using the ELectrified Vehicle library for sImulation and Optimization (ELVIO). It is an open-source MATLAB/Simulink library designed for the quick and easy simulation and optimization of different powertrain and drivetrain architectures. It follows a modelling methodology that combines backward-facing and forward-facing signal path, which means that no driver model is required. The results show that the approximated solution provides a performance that is very close to the solution of the original problem except for extreme parts of the operating range (in which case the solution tends to be driven by constraints anyway).
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