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153 articles for “Torque”
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Motors Using a Deep Learning-Based Torque Control with Torque Ripple Reduction under Nonlinear Magnetic Conditions
Abstract: This research discusses a deep learning strategy for torque management to minimize the effect of torque ripple in a nonlinear electric motor. Nonlinear electric motor losses may include: magnetic saturation, harmonic flux losses and inverter losses. In many cases when the system parameters deviate and/or instability issues occur, the traditional method with a model-based approach or PI control may encounter challenges. In this case, the authors proposed a hybrid approach …
Published in International Journal of Advanced Control and System Engineering · Vol. 4, Issue 2, 2026 Read article
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A Review of Torque Ripple Reduction Techniques in Switched Reluctance Motors
Abstract: Switched Reluctance Motors (SRMs) have emerged as a promising alternative to conventional motor technologies due to their rugged structure, low manufacturing cost, high-temperature capability, and suitability for harsh environments. Despite these advantages, the widespread adoption of SRMs in applications such as electric vehicles, household appliances, industrial drives, and aerospace systems is significantly restricted by the issue of torque ripple. Torque ripple manifests as periodic fluctuations in the developed electromagnetic torque, …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 2, 2025 · pp. 45–50 Read article
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A Better Technique for Controlling Torque to Preload Relationship in the Accurate Assembly of Tiny Threaded Bolt Joints
Abstract: Our industrial, commercial, and even civil worlds are made possible by threaded fasteners or connections, which include all types of bolts. They offer an easy way to connect a limitless number of small parts to form large and practical objects like printing presses, cars, airplanes, and buildings. This paper describes the ways to determine torque to preload relationship in threaded connection and finalizing the optimum torque to be applied. Explains …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 1, Issue 2, 2023 · pp. 30–38 Read article
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Torque Ripple Reduction in Induction Motor Drive Using Direct Torque Control Technique with Space Vector Modulation
Abstract: Three phase squirrel cage induction motor drives are widely used in industries for variable speed applications. This paper proposes the design and simulation of an induction motor (IM) drive with DTC-SVM (Direct Torque Control–Space Vector Modulation). The IGBT/Diode inverter switches are controlled by the DTC-SVM technique. The synthesis of vector selection table depends on the rotational direction of the stator flux vector. The control algorithm in DTC-SVM methods are based …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 33–39 Read article
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The Decision of the Maximum Synchronous Torque During the Solar Array Deployment Using the Closed Cable Loop
Abstract: It was a long time since mankind explored and studied the universe, but the early-age power sources have not changed a lot over that period. Solar panels have been used long ago and are still in use today. However, their efficiency has improved considerably. Large and complicated solar arrays are now used instead of simply attaching the panels directly on the face of the satellite. A solar array is essential …
Published in Journal of Aerospace Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 37–49 Read article
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Fuzzy Logic and Energy Model based Speed and Direct Torque Control of SVPWM Inverter Fed Induction Motor
Abstract: This paper presents speed and direct torque controllers based on fuzzy logic for a space-vector modulated pulse width modulated inverter fed induction motor. The direct torque control has been designed by decoupling the torque and flux based on the energy model of induction motor. The designed direct torque control system can be accomplished by using constant switching frequency with space vector modulated pulse-width modulated inverter. In order to control the …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 11–21 Read article
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Investigation on Direct Torque Control of BLDC Motor Using Various Controllers
Abstract: BLDC Stands for brushless DC Motor. Direct torque control is a type of a vector control. Direct Torque control consist of two control loops one is speed control and other one is torque control. For the purpose of speed control several speed controllers are used in this work such as PI, PID Controller and Fuzzy Controller. PID Controller was used for better speed response, no steady state error but due …
Published in Journal of Instrumentation Technology & Innovations · Vol. 11, Issue 2, 2021 · pp. 19–30 Read article
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Study Stator Voltage Control Method for Induction Motor Torque Control using MATLAB Simulation
Abstract: AbstractThis paper presents a study stator voltage control method for induction motor torque control using MATLAB simulation. This is to improve induction motor speed control. Speed sensor is used to control the speed in feedback and complete simulation of the direct torque control in closed-loop. The system is to be tested by use a MATLAB/ Simulink program. The different control methods are used to control the speed of induction motor …
Published in Journal of Microcontroller Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 18–24 Read article
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Investigation on Torque and Thrust Forces in Radial Drilling of Copper Alloys
Abstract: As a part of research over improvement of machining process; cutting forces, metal removal rate (MRR) and surface finish on mechanical elements has become quite significant in the operational and aesthetical point of view. To enhance accuracy and precision by adopting energy saving techniques, manufacturing firms are adopting automated systems in order to achieve manufacturing excellence. In the present work, the effect of various process parameters like spindle speed, feed, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 6–19 Read article
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Study of Direct Torque Control of Three Phase Induction Motor by Matlab
Abstract: This paper presents the proposed direct torque control using space vector control which is based on a MATLAB/Simulink technique to replace proportional integral controller to control the torque of induction motor. The status of the torque and flux linkages applied the optimal switching logic. This optimal switching logic is used for the switching of three-phase inverter. The inverter output gives the controlled voltage vector that is applied to the induction …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 24–29 Read article
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Direct Torque Control Based on Discrete-Time PI Controller of an SVPWM Inverter Fed Induction Motor Using Energy Model
Abstract: A direct torque control (DTC) of an induction motor (IM) with constant switching frequency has been presented in this work which is performed using space-vector modulation (SVM). The developed DTC scheme is based on the discrete-time PI controller strategy and this has been used to achieve direct control of torque of IM. To design the discrete-time PI (DTPI) controller the energy model of induction motor is simplified at the beginning …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 45–55 Read article
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Performance Analysis of Conventional Direct Torque Control Strategy for Wide Range Speed Control of Induction Motor Drives
Abstract: Decoupled control of induction motor drives is possible using Direct Torque Control (DTC) method which is very simple control approach paralleled to field oriented control. It is very good alternative for applications like traction or automobile where direct torque control is needed. But speed control from zero to rated or even beyond rated speed is required in such applications. Torque ripples, variable switching frequency and poor low speed performance are …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 36–45 Read article
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Comparative Study of Torque Ripple Minimization of PMSM using PI and Proportional Resonant (PI-RES) Controller
Abstract: The minimization of speed ripple of the permanent magnet synchronous motors (PMSM) in low speed range becomes a major problem while applying the PMSM to refrigerant system. Earlier, an iterative learning controller was applied in conjunction with the conventional proportional integral (PI) speed controller to minimize the speed ripple. Here, a frequency variable resonance controller is applied in conjunction with the conventional proportional integral speed controller as a PI-RES controller, …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 17–23 Read article
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Generalized Rail Clamping Sequences Based PWM (GRCPWM) Algorithm for Direct Torque Controlled Induction Motor Drive
Abstract: The paper presents Rail Clamping Sequence based Pulse Width Modulation (RCPWM) algorithms applied to Direct Torque Control (DTC) of induction motor drive. This RCPWM based DTC retains all the advantages of conventional DTC (CDTC), moreover it eliminates the complexity involved in SVPWM algorithm and results in reduced current ripple at higher modulation indices and lowers the switching losses at all modulation indices. To validate the proposed method, simulation through MATLAB …
Published in Journal of Control & Instrumentation · Vol. 8, Issue 3, 2017 · pp. 38–59 Read article
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TORQUE RIPPLE MINIMIZATION OF PV BASED SRM DRIVE
Abstract: The switched reluctance motor drive is the recent choice for industrial applications due to its unique features like double salient pole motor without winding, permanent magnet and commutator in rotor. Solar photovoltaic based water pumping system using AC and DC motor is common but SRM drive is more favourable in terms of cost, reliability, robustness in nature. The primary drawback of SRM drive is higher torque ripple which makes heavy …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 37–44 Read article
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Torque Ripple Minimization of High-Power Fed Induction Motor Drive Using Low Switching Frequency
Abstract: Multi-level inverter has emerged as an important topology in the area of high-power-medium voltage energycontrol applications due to its several advantages such as its good harmonic rejection capability, betteroutput voltage with reduced ripple, reduction of voltage ratings of the power semiconductor switchingdevices and also the reduced electro-magnetic interference problems, etc. This paper presents the torqueripple minimization and the performance under different operating conditions (dynamic and steady state) ofindirect vector-controlled high-power …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 72–83 Read article
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Brushless DC Motor Drive System with Reduced DC-Link Capacitor for Reduction in Torque Ripple
Abstract: Presence of large value of dc-link capacitance in a brushless DC motor (BLDCM) drive system leads to an increase in the weight and volume of the system. A combination of an IGBT switch along with a small value of DC-link capacitance is proposed in this paper. BLDCM will be supplied by DC-link capacitor and rectified mains supply alternately via DC-link IGBT chopping during the time when the output voltage of …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 19–27 Read article
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Tracking Control of Robotic Manipulator using PID, Computed Torque Control and Sliding Mode Control Techniques
Abstract: In the last decades, the robotic manipulators have been extensively used in the industrial applications such as paint spraying, welding, accurate positioning system etc. In these applications, joint angles of robotic manipulators are directed to follow some given trajectories as close as possible. Therefore, Inspite of long years of research, trajectory tracking problem of robotic manipulators is the most significant and fundamental task for researchers to work upon. Robotic manipulator …
Published in Journal of Advancements in Robotics · Vol. 1, Issue 3, 2014 · pp. 24–29 Read article
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Spintronic Logic Circuits for Ultrafast Processing
Abstract: Spintronic logic has emerged as one of the most promising post-CMOS paradigms capable of addressing the speed, density, and energy challenges of deeply scaled silicon technologies. By relying on the intrinsic properties of electron spin and magnetization dynamics, spintronic devices—particularly Magnetic Tunnel Junctions (MTJs), Spin-Transfer Torque (STT), and Spin–Orbit Torque (SOT) structures—enable ultrafast, non-volatile data processing with significantly reduced energy consumption. Despite remarkable device-level advancements, circuit- level realization of high-speed, …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 3, Issue 2, 2025 · pp. 35–43 Read article
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Performance Analysis of Induction Motor using DTC Technique
Abstract: AbstractDirect Torque Control is a control method used for high-performance torque control in AC drive systems. The standard DTC drive includes a couple of hysteresis comparators, a flux and torque estimator and a selection table for voltage vectors. Torque and flux are governed simultaneously by implementing appropriate voltage vectors, and de-coupling control of torque and flux can be accomplished by restricting these amounts within their hysteresis bands. The DTC requires …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 2, 2019 · pp. 11–18 Read article