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Journal articles on the topic 'Torque ripple control'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Neethu, Alexander*1 Unnikrishnan2 L. "HARDWARE OF FPGA BASED CONTROL OF BLDC DRIVE FOR MINIMUM TORQUE RIPPLE." International Journal OF Engineering Sciences & Management Research 3, no. 9 (2016): 10–15. https://doi.org/10.5281/zenodo.157170.

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Brushless DC motors have a trapezoidal back emf waveform and are fed with rectangular stator currents. On these conditions the torque produced is,theoretically, constant. However, in practice, torque ripple may exist, due to the machine itself but also to the feeding system. The causes of ripple coming from the machine are cogging torque and emf waveform imperfections. In this paper we discusses on the torque ripples minimisation by average torque control technique. Fpga is used for switching the Bldc motor and control. Coding on FPGA is done using the software Xilinx. The simulation is done u

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2

Huang, Zhao, and Han Xiang Cheng. "Implementing Iterative Learning Control to Reduce Torque Ripple of Permanent Magnet Synchronous Machine." Advanced Materials Research 301-303 (July 2011): 1676–81. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.1676.

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Permanent magnet synchronous machines (PMSM) are appealing candidates for many high-performance applications such as robotics, machine tools and other electrical propulsion system because of their attractive characteristics. PMSM have advantages of high power density, high torque-to-inertia ratio, and high electrical efficiency. However, the main disadvantage of PMSM is the torque ripples. Therefore, the study of how to compensate the torque ripples so as to improve the tracking performance of PMSM is very meaningful and necessary. In this paper, we focus on the control of a non-sinusoidal per

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3

Qin, Yugui, Kaiyuan Wang, and Huiran Luo. "Fuzzy Direct Torque Control of Surface Permanent Magnet Synchronous Motor." Journal of Physics: Conference Series 2396, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1742-6596/2396/1/012016.

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Abstract To solve the problems of large torque and flux ripple in direct torque control (DTC) of permanent magnet synchronous motors (PMSM), a fuzzy controller is used to replace hysteresis comparators and switching tables in the DTC. Different from the conventional fuzzy controller which only outputs the angle or amplitude of the voltage vector, the controller adjusts the angle and value of the voltage vector at the same time in the surface PMSM DTC system is proposed. The inputs and output of the fuzzy controller are: stator flux, torque error, angle and amplitude of voltage vector in stator

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4

Et.al, Ravisankar B. "Analysis and Prediction of Cogging Torque and ripples in output Torque of Permanent Magnet Synchronous Motor and Line Start Permanent Magnet Synchronous Motor." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (2021): 4586–95. http://dx.doi.org/10.17762/turcomat.v12i3.1851.

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Permanent magnet (PM) motors are rapidly replacing the squirrel cage induction motors for its energy efficient operation, smooth control and high power density. Although PM Motors are energy efficient, they are inherently affected by cogging torque and torque ripple. Magnetic alignment between teeth of stator and permanent magnet of rotors produce cogging torque. Torque ripple is a dynamic oscillation during steady-steady operation which leads to various mechanical anomalies like vibration, noise and rotor stress. Torque ripple is produced in PM motors because of non-sinusoidal distribution of

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5

Li, Huanyu, Miao Li, Chenhong Zhengs, and Bingqian Chen. "Comparison between Modified MPC and DTC Control Method for Permanent Magnet Synchronous Motor." E3S Web of Conferences 115 (2019): 02004. http://dx.doi.org/10.1051/e3sconf/201911502004.

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Direct torque control (DTC) and model predictive control (MPC) are widely used in the control of permanent magnet synchronous motor (PMSM). However, DTC for PMSM can cause large torque ripples and flux ripples, high harmonic distortion of the stator current, and high acoustic noises. Compared to DTC, MPC considers all possible switching states which can reduce the ripples of torque and flux. MPC with one-step delay compensation for PMSM and DTC with one-step delay compensation and two hysteresis comparators for PMSM have been proposed to solve some drawbacks of these two controllers. This pape

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6

Berhanu, Deggefa Lemma, and Pradabane Srinivasan. "Comparative Analysis of Conventional (CDTC) and Torque Controller Output Manipulated Stator Flux Angle Based Direct Torque Control (TCSF-DTC) of Permanent Magnet Synchronous Motor (PMSM)." Indian Journal of Science and Technology 15, no. 2 (2022): 54–61. https://doi.org/10.17485/IJST/v15i2.2276.

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ABSTRACT <strong>Objective:</strong> It is recommended to use DTC when a quick response time is required. However, the ripple in torque, as well as flux, is the biggest drawback of DTC. This study presents a comparative analysis of two direct torque control methods CDTC and TCSF-DTC for PMSM’s that operate at a constant speed. <strong>Method:</strong> Matlab 2021b is used to model both CDTC and TCSF-DTC including all switching signals generation. During the simulation, the switching state is chosen to achieve a fast torque and flux response. <strong>Finding:</strong>&

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7

Sheng, Linhao, Guofeng Wang, Yunsheng Fan, Jian Liu, Di Liu, and Dongdong Mu. "An Improved Direct Predictive Torque Control for Torque Ripple and Copper Loss Reduction in SRM Drive." Applied Sciences 13, no. 9 (2023): 5319. http://dx.doi.org/10.3390/app13095319.

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This paper introduces a direct predictive torque control (DPTC) method to minimize the torque ripple and copper loss of the switched reluctance motor (SRM). Generally, there is a problem with torque ripple during the SRM’s commutation. In this method, the commutation optimization is provided by a direct predictive torque control algorithm. Firstly, the reachable range of phase torques is predicted and the boundary of two continuous phases is modified. By dividing the torque range directly to determine the torque allocation set, the suppression of torque ripple becomes simple. Secondly, conside

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8

Pamuji, Feby Agung, Muhammad Faris Rayhan, Soedibyo, Muhammad Athariq Yurisqi, Heri Suryoatmojo, and Nurvita Arumsari. "Design and Simulation Control Speed of Brushless DC 7 HP Using Direct Torque Method with Ripple Suppression." MEIN : Journal of Mechanical, Electrical & Industrial Technology 1, no. 1 (2024): 17–32. http://dx.doi.org/10.35991/mein.v1i1.13.

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The last decade, electric cars have grown so rapidly. One of the driving parts in electric cars is the Brushless DC Motor (BLDC). The use of BLDC motors is needed because this motor has low mechanical losses, this is because the motor does not use brushes. However, in operation, there is still a ripple that is complained by the control or drive of the motor so that the efficiency of the motor rotation output torque and speed is not perfect. One way to operate a BLDC motor is by direct torque control method. The Direct Torque Control method became popular for controlling BLDC motors because it

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9

Ji, Xuande, Daqing He, and Yunwang Ge. "Study of Direct Torque Control Scheme for Induction Motor Based on Torque Angle Closed-Loop Control." Open Electrical & Electronic Engineering Journal 9, no. 1 (2015): 600–609. http://dx.doi.org/10.2174/1874129001509010600.

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For disadvantages of the large flux and torque ripple and current waveform distortion of Direct Torque Control (BASIC-DTC), the DTC scheme for induction motor based on torque angle closed-loop control was presented and the proposed scheme was realized with three methods of torque angle closed-loop control. The main characteristics of three methods of torque angle closed-loop control for the proposed scheme was analyzed, emphasizing their advantages and disadvantages. The performance of three methods of torque angle closed-loop control for the proposed scheme was studied in terms of flux and to

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10

Ahmed, Dris, Bendjebbar Mokhtar, and Belaidi Aek. "DTC-ANN-2-level hybrid by neuronal hysteresis with mechanical sensorless induction motor drive using KUBOTA observer." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 1 (2020): 34. http://dx.doi.org/10.11591/ijpeds.v11.i1.pp34-44.

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In this paper, DTC is applied for two-level inverter fed IM drives based on neuronal hysteresis comparators and The Direct Torque Control (DTC) is known to produce quick and robust response in AC drive system. However, during steady state, torque, flux and current ripple. An improvement of electric drive system can be obtained using a DTC method based on ANNs which reduces the torque and flux ripples, the estimated the rotor speed using the KUBOTA observer method based on measurements of electrical quantities of the motor. The validity of the proposed methods is confirmed by the simulation res

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Dris, Ahmed, Mokhtar Bendjebbar, and Aek Belaidi. "DTC-ANN-2-level hybrid by neuronal hysteresis with mechanical sensorless induction motor drive using KUBOTA observer." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 1 (2020): 34–44. https://doi.org/10.11591/ijpeds.v11.i1.pp34-44.

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In this paper, DTC is applied for two-level inverter fed IM drives based on neuronal hysteresis comparators and The Direct Torque Control (DTC) is known to produce quick and robust response in AC drive system. However, during steady state, torque, flux and current ripple. An improvement of electric drive system can be obtained using a DTC method based on ANNs which reduces the torque and flux ripples, the estimated the rotor speed using the KUBOTA observer method based on measurements of electrical quantities of the motor. The validity of the proposed methods is confirmed by the simulation res

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12

Yu, Hong Xia, and Chuang Li. "Bus-Clamping Based Improved Discrete Duty Ratio Control Technology of Direct Torque Control for Induction Motors." Applied Mechanics and Materials 541-542 (March 2014): 1177–84. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.1177.

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One of the disadvantages of traditional direct torque control is high torque ripple, A method of reduce torque ripple was proposed basing bus-clamping and duty ratio control technique in this paper. Firstly, the switch vector table with bus-clamping technology was improved by analyzing the role of zero voltage vector to reduce torque ripple in different sector of voltage. Secondly, on the base of combing the improved bus-clamping direct torque control (BCDTC) and discrete duty ratio control (DDRC), a new switch vector table with discrete duty ratio and bus clamping was designed by analyzing th

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13

Qasim, Al Azze, and Abdul-Rida Hameed Imad. "Reducing torque ripple of induction motor control via direct torque control." International Journal of Electrical and Computer Engineering (IJECE) 13, no. 2 (2023): 1379–86. https://doi.org/10.11591/ijece.v13i2.pp1379-1386.

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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

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14

Senthilnathan, A., P. Palanivel, and K. Ramash Kumar. "Mathematical Modelling and Torque Ripple Waning in BLDC Motor Using Outgoing-Phase Current Discharge Hysteresis Controlled ANFIS Controller." Mathematical Problems in Engineering 2022 (June 25, 2022): 1–21. http://dx.doi.org/10.1155/2022/3971695.

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This study focused on approaches for reducing torque ripples in Permanent Magnet Brushless Direct current motors (PMBLDC) to provide sophisticated performance and reliable machine drives for both industrial and consumer applications. Torque ripples are caused by current ripple, nonsinusoidal Back Electromotive Force (EMF), and cogging torque at the Brushless Direct Current Motor (BLDCM) output. Acoustic emissions are produced when the torque ripple creates vibrations in the mechanical system, which interacts with the motor housing and reduces the life span of the motor. The BLDC’s uses are lim

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15

Xu, Junxin, Chaozhi Huang, Wensheng Cao, and Yuliang Wu. "Torque Ripple Control Strategy of Switched Reluctance Motor Based on BP Neural Network." Journal of Physics: Conference Series 2242, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1742-6596/2242/1/012036.

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Abstract Switched reluctance motor (SRM) has many advantages, but when the motor is running, the fixed turn-on angle will cause the torque ripple of the motor at different speeds and loads. Therefore, an torque ripple control strategy of switched reluctance motor based on BP neural network is proposed. Firstly, the nonlinear relationship among speed, load torque and opening angle is established by using the fitting generalization ability of BP neural network. In this step, the optimal angle data under the minimum pulsation needs to be obtained by simulation. After collecting data, select and c

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16

Hu, Lian Jun, Xiao Hui Zeng, Hong Song, Xiao Long Huang, and Ming Liu. "The Research on Suppression Strategies for Electromagnetic Torque Ripples of Brushless DC Motors." Advanced Materials Research 910 (March 2014): 327–31. http://dx.doi.org/10.4028/www.scientific.net/amr.910.327.

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Despite of its remarkable active performances, brushless DC motors, which are widely used in mechanical engineering, have an obvious disadvantage in its high electromagnetic torque ripples. In the paper, a ripple suppression method based on predictive controls of stator currents is proposed according to analysis of causes electromagnetic torque ripples generate in commutation periods of brushless DC motors. First of all, a relative accurate prediction is acquired through DC motor on-line parameter corrections based on generalized predictive control algorithms. Then rolling optimizations make t

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17

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 (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 ri

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18

Gudey, Satish Kumar, Mohan Malla, Kiran Jasthi, and Srinivasa Rao Gampa. "Direct Torque Control of an Induction Motor Using Fractional-Order Sliding Mode Control Technique for Quick Response and Reduced Torque Ripple." World Electric Vehicle Journal 14, no. 6 (2023): 137. http://dx.doi.org/10.3390/wevj14060137.

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The performance of electric drive propulsion systems is often degraded by the high torque and flux ripples of an electric drive. Traditional control methods, such as proportional plus integral (PI) controllers and classical sliding mode controllers (SMCs), have shown good response and reduced torque ripple, but even lower ripple content at low voltage levels is required for its effective use in electric vehicle (EV) applications. In this paper, a new direct torque control (DTC) technique with space vector pulse width modulation (SVPWM) using fractional-order sliding mode control (FOSMC) for a

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19

Maher, Azaza, Echaieb Kamel, and Mami Abdelkader. "FPGA-based Architecture of Direct Torque Control." International Journal of Reconfigurable and Embedded Systems (IJRES) 6, no. 1 (2018): 20. http://dx.doi.org/10.11591/ijres.v6.i1.pp20-27.

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This paper presents an optimized FPGA architecture of a DTC “direct torque control” drive of an induction motor. The proposed architecture is based on variable fixed point world size and the use ipcores in order to achieve higher sampling frequency which leads to reduce the electromagnetic torque and flux ripples. The hardware implementation was experimentally validated, the results shows the effectiveness of the hardware DTC drive implementation by the minimization of the torque and flux ripple

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20

Sun, Chuanyu, Hang Yang, Shangke Han, Hongchang Ding, Jiaqing Li, and Ning Han. "Control System Design for 16/6/8 Double-Stator Bearingless Switched Reluctance Motor." Mathematical Problems in Engineering 2021 (August 30, 2021): 1–15. http://dx.doi.org/10.1155/2021/4727917.

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The 16/6/8 double-stator bearingless switched reluctance motor (DSBSRM) is used as the object of study in this paper. To solve the problem of torque and levitation force ripples in this motor, a control system direct force control (DFC) and direct instantaneous torque control (DITC) based on the torque sharing function (TSF) are proposed. With the strong nonlinearity and approximation capability of radial basis function neural networks, the torque and levitation force observer are designed. The observed torque and levitation forces are used as feedback for the internal loop control, which is c

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Wang, Dingyu, and Yiguang Chen. "Fault-Tolerant Control of Coil Inter-Turn Short-Circuit in Five-Phase Permanent Magnet Synchronous Motor." Energies 13, no. 21 (2020): 5669. http://dx.doi.org/10.3390/en13215669.

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In the five-phase permanent magnet synchronous motor (PMSM) control system, the torque ripple caused by coil inter-turn short-circuit (ITSC)fault will make the motor performance worse. Due to the existence of the short-circuit current in the faulty phase and the third harmonic component in the permanent magnet flux linkage, the electromagnetic torque will contain even-order ripple components when the faulty phase is removed. Torque ripple also cause speed ripple. In this paper, the repetitive controller (RC) is used to perform proportional gain compensation for speed ripple. By designing the R

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Pushparajesh, V., Nandish B. M., and H. B. Marulasiddappa. "Hybrid intelligent controller based torque ripple minimization in switched reluctance motor drive." Bulletin of Electrical Engineering and Informatics 10, no. 3 (2021): 1193–203. http://dx.doi.org/10.11591/eei.v10i3.3039.

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An inherent torque ripple characterizes switched reluctance technology from conventional technology. The ultimate aim of this paper is to reduce the torque ripple of the switched reluctance motor drive using genetic neural network controller based direct torque scheme. In the proposed controller network appropriate bits of data are chosen for training and testing. The proper selection of the learning rate and momentum will help in weight adjustment. Here the error is reduced which proves that the selection of voltage vectors from the vector table is precise and its results in better torque res

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Borse, Payal S., Mohan P. Thakre, and Nishant P. Matale. "5-level torque-hysteresis controller for DTC based IM drive." International Journal of Engineering, Science and Technology 14, no. 3 (2022): 104–11. http://dx.doi.org/10.4314/ijest.v14i3.12s.

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In the recent trade demand, the AC machines and drives are extensively utilized. Normally, the AC drives exploit with high efficacy as well as high performance. Among other things, one of the best control strategies is Direct torque control (DTC). For this article, the induction motor drive is projected very simple amended DTC scheme in accordance with the hysteresis controller. By the reason of its modest assembly & effective execution, DTC is used for AC as well as DC drive as associated to other monitoring structures. The presence of high ripple content in output torque for DTC scheme i

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Zhang, Zhihui, Hongyu Wei, Wei Zhang, and Jianan Jiang. "Ripple Attenuation for Induction Motor Finite Control Set Model Predictive Torque Control Using Novel Fuzzy Adaptive Techniques." Processes 9, no. 4 (2021): 710. http://dx.doi.org/10.3390/pr9040710.

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Finite control set model predictive torque control (FCS-MPTC) strategy has been widely used in induction motor (IM) control due to its fast response characteristic. Although the dynamics of the FCS-MPTC method are highly commended, its steady-state performance—ripple deserves attention in the meantime. To improve the steady-state performance of the IM drives, this paper proposes an improved FCS-MPTC strategy, based on a novel fuzzy adaptive speed controller and an adaptive weighting factor, tuning strategy to reduce the speed, torque and flux ripples caused by different factors. Firstly, a dis

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Chen, Lei, Min Chen, Bodong Li, Xinnan Sun, and Feng Jiang. "Optimized Fault-Tolerant Control of Dual Three-Phase PMSM Under Open-Switch Faults." Energies 17, no. 20 (2024): 5198. http://dx.doi.org/10.3390/en17205198.

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In this article, an optimized fault-tolerant control (FTC) method without current judgement is proposed for open-switch faults (OSFs) in dual three-phase permanent magnet synchronous motor (DTPMSM) drives. The reason for the torque ripple under OSFs has been investigated. The theoretical analysis reveals a significant increase in torque ripple under OSFs. Then, an optimized FTC method is proposed for a DTPMSM with two isolated neutral points. The proposed method maintains the original control scheme, enabling the smooth transitions of current and torque between faulty operation and FTC without

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Aladetola, Olaoluwa Demola, Mondher Ouari, Yakoub Saadi, Tedjani Mesbahi, Moussa Boukhnifer, and Kondo Hloindo Adjallah. "Advanced Torque Ripple Minimization of Synchronous Reluctance Machine for Electric Vehicle Application." Energies 16, no. 6 (2023): 2701. http://dx.doi.org/10.3390/en16062701.

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The electric machine and the control system determine the performance of the electric vehicle drivetrain. Unlike rare-earth magnet machines such as permanent magnet synchronous machines (PMSMs), synchronous reluctance machines(SynRMs) are manufactured without permanent magnets. This allows them to be used as an alternative to rare-earth magnet machines. However, one of the main drawbacks of this machine is its high torque ripple, which generates significant acoustic noise. The most typical method for reducing this torque ripple is to employ an optimized structural design or a customized contro

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Zhou, La Wu, and Shu Qi Shi. "Direct Torque Control of PMSM Based on Variable Parameter PI and Fuzzy Control." Applied Mechanics and Materials 130-134 (October 2011): 2530–34. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2530.

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This paper discusses that conventional direct torque control (DTC) system of permanent magnet synchronous motor (PMSM) exists in the stator flux linkage and electromagnetic torque ripple faults, and puts forward a method using variable parameter PI controller and fuzzy controller respectively used to replace PI speed regulator and hysteresis comparator of the conventional direct torque control and constructs a new direct torque control system of permanent magnet synchronous motor. The experiment results showed that the improved system has good dynamic and static performance, less flux and torq

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Hamidia, Fethia, Abdelakader Larabi, and Mohamed Seghir Boucherit. "Direct Torque Control Using Fuzzy and Neural as Switching Vector Selector for Doubly Fed IM." Advanced Materials Research 646 (January 2013): 134–38. http://dx.doi.org/10.4028/www.scientific.net/amr.646.134.

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The conventional Direct Torque Control approach has some drawbacks such as high torque ripple and switching frequency, which is varying with speed, load torque and the selected hysteresis bands, this paper discuss the application of neural network and fuzzy logic on DTC of Doubly fed induction motor DFIM, the proposed techniques having the advantages of low torque and flux ripples. Simulation results emphasize the good performance of the fuzzy and neural techniques.

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Li, Guo Sheng, Jia Dan Wei, Chang Chun Chen, Bo Zhou, and Chu Han. "An Optimized Angle Control Strategy for Doubly Salient Electro-Magnetic Motor Based on the Half-Bridge Converter." Advanced Materials Research 383-390 (November 2011): 2083–91. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.2083.

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The doubly salient electro-magnetic motor (DSEM) suffers from significant torque ripples when operating in the conventional angle control method. To weaken the effects of the torque ripples, the ripple generation mechanism is first analyzed in this paper. Then, the operation principle and steady state of the split-capacitor in DC-link of the half-bridge converter are discussed in detail, thus an optimized control strategy of the half-bridge converter is proposed for the DSEM drives. The simulation and experimental results verify that the optimized angle control strategy can alleviate the torqu

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Shriwastava, Rakesh, Satayjit Deshmukh, Ashwini Tidke, and Mohan Thakre. "Comparative Evaluation of Control Techniques of PMSM Drive in Automotive Application." Journal of Physics: Conference Series 2062, no. 1 (2021): 012024. http://dx.doi.org/10.1088/1742-6596/2062/1/012024.

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Abstract This paper deal with comparative evaluation of control techniques of Permanent magnet synchronous motor (PMSM) drive in automotive application is investigated. The FOC, DTC and proposed SVM-DTC with LC-Snubber circuit are presented. In SVM-DTC, this reduces low torque ripple by using space vector modulated. The parameters of FOC, DTC and proposed SVM-DTC with LC-Snubber method are studied by simulation. The simulation analysis of control method is investigated in terms of speed, current and torque ripples It was observed that the proposed method upgrade the performance of PMSM drive i

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Akay, Ali, and Paul Lefley. "Torque Ripple Reduction Method in a Multiphase PM Machine for No-Fault and Open-Circuit Fault-Tolerant Conditions." Energies 14, no. 9 (2021): 2615. http://dx.doi.org/10.3390/en14092615.

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This paper presents a method that has been developed to reduce the torque ripples under healthy and open-circuit fault-tolerant (OCFT) conditions for a multiphase permanent magnet (PM) machine. For smooth torque, both the phase current and the back electromotive force (back-EMF) should be purely sinusoidal. To improve the torque in a multiphase machine, higher-order current harmonics are injected, which are related to the harmonics in the back-EMF. For this reason, generally, multiphase machines are designed with higher-order back-EMF harmonics. However, these harmonics produce ripples in the

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Lan, Yuanfeng, Yassine Benomar, Kritika Deepak, et al. "Switched Reluctance Motors and Drive Systems for Electric Vehicle Powertrains: State of the Art Analysis and Future Trends." Energies 14, no. 8 (2021): 2079. http://dx.doi.org/10.3390/en14082079.

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This paper presents a detailed literature review on switched reluctance motor (SRM) and drive systems in electric vehicle (EV) powertrains. SRMs have received increasing attention for EV applications owing to their reliable structure, fault tolerance ability and magnet free design. The main drawbacks of the SRM are torque ripple, low power density, low power factor and small extended speed range. Recent research shows that multi-stack conventional switched reluctance motors (MSCSRM) and multi-stack switched reluctance motors with a segmental rotor (MSSRM-SR) are promising alternative solutions

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Divya, Sunka, and Dr D. Kiran Kumar. "Design and Implementation of Direct Torque Control of IPMSM Drive using Three-Level Inverter and FPGA for Electric Vehicle." International Journal of Electrical and Electronics Research 13, no. 1 (2025): 10–16. https://doi.org/10.37391/ijeer.130102.

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This study introduces the design and implementation for Direct Torque Control (DTC) of Field Programmable Gate Array (FPGA) based Interior Permanent Magnet Synchronous Motor (IPMSM) with Space Vector Pulse Width Modulation (SVPWM) configuration inverter for Electrical Vehicle (EV). In contrast to conventional DTC, a new DTC algorithm of drive system is proposed that endowed unified torque/flux responses with precise control levels of multiple voltage vectors. The proposed drive unified inverter states for obtaining faster dynamic torque. Consequently, the DTC scheme inspected with suppresses s

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Zhao, Xinqi, Yong Zhai, and Youtong Zhang. "Torque Ripple Suppression Strategy of Electromechanical Coupling System of Hybrid Electric Towing Vehicle Based on Feedforward Control." Journal of Physics: Conference Series 2283, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2283/1/012015.

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Abstract Aiming at the problem of output torque ripple of power split engine motor power system coupled with planetary gear train, based on the dynamic model of the system, the torque ripple suppression algorithm considering coupling device and engine instantaneous torque observer based on engine instantaneous torque are designed. In order to solve the problem that a single control method fails to meet the steady-state performance and response time at the same time, a torque ripple suppression strategy of electromechanical coupling system based on feedforward control is proposed. Combined with

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Zhao, Xinqi, Yong Zhai, and Youtong Zhang. "Torque Ripple Suppression Strategy of Electromechanical Coupling System of Hybrid Electric Towing Vehicle Based on Feedforward Control." Journal of Physics: Conference Series 2283, no. 1 (2022): 012015. http://dx.doi.org/10.1088/1742-6596/2283/1/012015.

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Abstract Aiming at the problem of output torque ripple of power split engine motor power system coupled with planetary gear train, based on the dynamic model of the system, the torque ripple suppression algorithm considering coupling device and engine instantaneous torque observer based on engine instantaneous torque are designed. In order to solve the problem that a single control method fails to meet the steady-state performance and response time at the same time, a torque ripple suppression strategy of electromechanical coupling system based on feedforward control is proposed. Combined with

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Nakao, Noriya, and Kan Akatsu. "Suppressing Pulsating Torques: Torque Ripple Control for Synchronous Motors." IEEE Industry Applications Magazine 20, no. 6 (2014): 33–44. http://dx.doi.org/10.1109/mias.2013.2288383.

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Zhang, Xiao Lei, Kui Hua Wu, Jian Wang, Wei Sun, Kui Zhong Wu, and Peng Du. "A New Type of Brushless DC Motor Control Strategy." Advanced Materials Research 986-987 (July 2014): 1031–34. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1031.

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Because torque ripple disturbance can be created when the brushless dc motor is communicating, In this paper, from two aspects of energy feedback and the torque ripple, H/L - PWM - ON control strategy is analyzed .And a simulation system is set up. Through the trials, it shows that H/L - PWM - ON strategy can efficiently complete the energy feedback, has small torque ripple, and fully proves the feasibility and practicability of this control strategy.

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Cai, Hui, Hui Wang, Mengqiu Li, Shiqi Shen, Yaojing Feng, and Jian Zheng. "Torque Ripple Reduction for Switched Reluctance Motor with Optimized PWM Control Strategy." Energies 11, no. 11 (2018): 3215. http://dx.doi.org/10.3390/en11113215.

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The high current ripple and torque ripple are the main drawbacks of the switched reluctance motor (SRM) since the nonlinearity and double saliency, which limits its applications. In order to eliminate the current variation and torque ripple, an optimized pulse width modulation (PWM) control is presented in this paper. The voltage ratio duty is able to be predicted precisely according to the information of the motor running parameter. Based on torque sharing functions (TSFs), the current profile is pre-computed and four regions are defined according to the reference current profiles. The three

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Sun, Guodong, Guijie Yang, Yanyi Wang, and Jianyong Su. "Unified Fault-tolerant Control Strategy with Torque Ripple Compensation for Five-phase Permanent Magnet Synchronous Motor Based on Normal Decoupling." Energies 12, no. 6 (2019): 1127. http://dx.doi.org/10.3390/en12061127.

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In this paper, the decoupling matrix in a five-phase permanent magnet synchronous motor (FPMSM) is rebuilt and changed, according to different open-phase conditions, which complicate the switch and control algorithm. This paper proposes a unified fault-tolerant control strategy with decoupling transformation matrix, effectively suppressing the torque ripple for several open-phase faults. The current algorithms for different open-phase faults are demonstrated; torque ripple, especially, is analyzed with third harmonic magnetomotive force (MMF). The unified current control law is expressed with

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Wang, Haifeng, and Haili Zhang. "An Adaptive Control Strategy for a Low-Ripple Boost Converter in BLDC Motor Speed Control." Power Electronics and Drives 6, no. 1 (2021): 242–59. http://dx.doi.org/10.2478/pead-2021-0019.

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Abstract Conventional boost converters are widely used for connecting low-voltage power sources and inverters in motor control. However, a large filter capacitor bank is often used to reduce DC-link ripples that occur when an inverter is connected to a boost converter. Otherwise, significant voltage and current perturbations can impact on battery performance degradation and cause torque ripple, speed ripple and vibration in brushless DC (BLDC) motors. To suppress the converter’s DC-link ripple, this paper proposes a new control strategy for boost converter controller to generate low-ripple DC-

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Hamouda, Mahmoud, Amir Abdel Menaem, Hegazy Rezk, Mohamed N. Ibrahim, and László Számel. "Numerical Estimation of Switched Reluctance Motor Excitation Parameters Based on a Simplified Structure Average Torque Control Strategy for Electric Vehicles." Mathematics 8, no. 8 (2020): 1213. http://dx.doi.org/10.3390/math8081213.

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Switched reluctance motors (SRMs) have been receiving great attention in electric vehicle (EV) applications. However, the complicated control and inherent torque ripples are the major drawbacks of SRMs. This paper introduces a numerical estimation method for the optimum control parameters of SRM based on a simplified average torque control (ATC) strategy for EVs. The proposed control aims to simplify the control algorithm to cut down complexity and cost. Besides, it aims to achieve all the vehicle requirements. A multi-objective optimization problem is set to determine the most efficient excit

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Zou, Li Hua. "Research on Indirect Stator-Quantities Sliding Model Control for Induction Motor." Advanced Materials Research 291-294 (July 2011): 2871–74. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.2871.

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In direct torque control system for induction motor, the system has big torque ripple and strong noise caused by torque ripple. In indirect stator-quantities control, a slip frequency controller, based on power frequency exponent integration reaching law sliding model, is adopted by using practical measure velocity and calculation torque of motor flux model. The slip frequency error is fast convergent and stable in the nearby zero value, the method reduces torque ripple and improve dynamic and stable performance. The stability analysis of the scheme is given by using Lyapunov method. The simul

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Tao, Ruichao, Jie Ma, and Hui Zhao. "Torque Ripple Minimization in PMSM Based on an Indirect Adaptive Robust Controller." Mathematical Problems in Engineering 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/9512351.

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This paper addresses the problem of torque ripple minimization in permanent magnet synchronous motor (PMSM), which plays an important role in modern aerospace industry. Accurate motion control and disturbance compensation are challenging issues of PMSM systems, where the nonlinear disturbances are quite complicated and various uncertainties exist. To overcome these control problems, based on the adaptive robust control (ARC) algorithm, an indirect adaptive robust controller (IARC) with a robust recursive least square (RRLS) adaption law is proposed as a solution. A modified PMSM model which in

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Rao, Ch N. Narasimha, G. Durga Sukumar, and R. Vinod Kumar. "Torque Ripple Reduction in Brushless DC Motor by Using SPWM and SVPWM Techniques." International Journal of Engineering & Technology 7, no. 4.24 (2018): 71. http://dx.doi.org/10.14419/ijet.v7i4.24.21858.

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Brushless DC motors have the large applications because of its easiest control system and the highest efficiency. Industrial BLDC motor drives suffers from the ripples in the torque, due to which motor has more noise, vibrations and less efficient. To reduce the ripple, the Space Vector PWM (SVPWM) and Sinusoidal PWM are implemented in BLDC drive. The Pulse Width Modulation (PWM) controls the converter output voltage and frequency. Space Vector PWM (SVPWM)and Sinusoidal PWM are the best techniques used in industries because its easy design. Space Vector PWM control method is implemented and it

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Andriushchenko, Ekaterina, Ants Kallaste, Mohammad Hossain Mohammadi, David A. Lowther, and Hamidreza Heidari. "Sensitivity Analysis for Multi-Objective Optimization of Switched Reluctance Motors." Machines 10, no. 7 (2022): 559. http://dx.doi.org/10.3390/machines10070559.

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The main issue of the switched reluctance motor (SRM) is its noise and vibration caused by high torque ripples on the rotor’s shaft. Many methods have been developed for improving the torque characteristic of the SRM. For example, design optimization is one of the promising approaches to the noise and vibration reduction of the SRM. Particularly, topology optimization (TO) of the stator and rotor can be highly beneficial to addressing the torque ripple issue. However, the TO of the SRM appears to be computationally demanding. To overcome this issue, this study proposes a method aiming to reduc

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Rosić, Marko, Branko Koprivica, and Miroslav Bjekić. "Smart DTC algorithm with automatic torque ripple adjustment." Journal of Electrical Engineering 73, no. 2 (2022): 88–98. http://dx.doi.org/10.2478/jee-2022-0012.

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Abstract The paper presents a direct torque control method with possibilities of automatic algorithm modification in terms of torque ripple reduction. The algorithm is based on the conventional switching table with an arbitrary number of discretized voltage levels allowing higher space-voltage resolution and consequently lower torque ripple. The number of available voltage levels can be easily changed and subsequently torque ripple reduced without the need to modify the conventional switching table. Appropriate algorithm modifications leading to torque ripple reduction are automatized, making

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Wang, Jieyun, Wei Jiang, Shuren Wang, Jingying Lu, Barry W. Williams, and Qianlong Wang. "A Novel Step Current Excitation Control Method to Reduce the Torque Ripple of Outer-Rotor Switched Reluctance Motors." Energies 15, no. 8 (2022): 2852. http://dx.doi.org/10.3390/en15082852.

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Featured in low-speed and high-torque operation, outer-rotor switched reluctance motors (OSRMs) have the potential to be widely deployed in low-speed commuter and logistics vehicle applications. In this paper, a five-phase OSRM and the control method featuring torque ripple reduction has been proposed, which can be applied as the wheel hub motor in the electric vehicles. The simulation was carried out to analyze the OSRM operation. The electromagnetic characteristics of single-phase and two-phase hybrid excitation mode, as well as step current excitation mode, were compared and analyzed. To so

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Salah, Wael, Dahaman Ishak, and Khaleel Hammadi. "PWM Switching Strategy for Torque Ripple Minimization in BLDC Motor." Journal of Electrical Engineering 62, no. 3 (2011): 141–46. http://dx.doi.org/10.2478/v10187-011-0023-1.

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PWM Switching Strategy for Torque Ripple Minimization in BLDC Motor This paper describes a new PWM switching strategy to minimize the torque ripples in BLDC motor which is based on sensored rotor position control. The scheme has been implemented using a PIC microcontroller to generate a modified Pulse Width Modulation (PWM) signals for driving power inverter bridge. The modified PWM signals are successfully applied to the next up-coming phase current such that its current rise is slightly delayed during the commutation instant. Experimental results show that the current waveforms of the modifi

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T. Bahar, Saif, and Riyadh Ghanem Omar. "PERMANENT MAGNET SYNCHRONOUS MOTOR TORQUE RIPPLE REDUCTION USING PREDICTIVE TORQUE CONTROL." Journal of Engineering and Sustainable Development 27, no. 3 (2023): 394–406. http://dx.doi.org/10.31272/jeasd.27.3.9.

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The control of (PMSM) is the subject of this study and the torque ripple reduction in (PMSM) is the main goal of this work. Torque and flux are controlled using a predictive model and Vector Control. Because it is commonly employed in regulating electric motors. Space vector control and predictive control are two (PMSM) control approaches used in this study. Predictive control was determined to be more effective in terms of response and action after a Matlab simulation of the two approaches. MPC covers all potential switching states that decrease actual torque and flux ripples as well as Total

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Karibasavaraju Shivalingappa Telagi, Shadaksharaiah Chandraiah, Manjunatha Malleshappa Hirekeri, and Arunkumar Parashuramappa. "PI-based direct torque control of PMSM for torque ripple reduction." World Journal of Advanced Research and Reviews 20, no. 3 (2023): 1890–97. http://dx.doi.org/10.30574/wjarr.2023.20.3.2198.

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This paper addresses the challenge of torque ripple in Permanent Magnet Synchronous Motors (PMSMs) through the implementation of a Proportional-Integral (PI)-based Direct Torque Control (DTC) strategy. Torque ripple, a phenomenon affecting motor performance, is mitigated by leveraging the simplicity and fast response of DTC, augmented by the precision of PI controllers. The objectives encompass a comprehensive understanding of PMSM characteristics, the design and implementation of the PI-based DTC system in MATLAB Simulink, and an in-depth analysis of its performance in torque ripple reduction

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