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Showing 1 to 20 of 54 for “"Torque Control"”.
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Direct torque control induction motor drives
This paper presents an implementation of a direct torque control (DTC) strategies to control the operation induction motor (IM). The aim is to control effectively the torque and flux. Torque control of an induction motor base on DTC strategy has been developed and a comprehensively study in this …
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The Direct Torque Control of Induction Motors
… 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 …
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Precision torque control for threaded part assembly
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1986.
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Torque control strategy for off-road vehicle mobility.
… regulated by the drivetrain layout and the torque distribution devices. At the output of the drivetrain system, the torque is constrained by the interaction between the wheels and the soft terrain. For off-road automotive applications, the construction of drivetrain system has usually been …
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Improvements in direct torque control of induction motors
… requires in many cases a very precise control of the electrical motor by means of a variable speed drive incorporating sophisticated control strategies. Besides the expectations that have to be met concerning the motion control, other aspects such as efficiency, reliability, generation …
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High-performance torque control of switched reluctance motor
Motor torque ripples may cause speed ripples at low speed operation. Switched Reluctance Motor (SRM) produces excessive torque ripples due to discrete excitation of phase windings and its non-linear magnetization characteristics. A new polynomial model in phase current and rotor position is …
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Direct Torque Control for Silicon Carbide Motor Drives
<p>Direct torque control (DTC) is an extensively used control method for motor drives due to its unique advantages, e.g., the fast dynamic response and the robustness against motor parameters variations, uncertainties, and external disturbances. Using higher switching frequency is generally …
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Advanced modular torque control of multiphase synchronous motor drives
L'abstract è presente nell'allegato / the abstract is in the attachment
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eMotor advanced fault-tolerant torque control for automotive applications
L'abstract è presente nell'allegato / the abstract is in the attachment
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Adaptive Torque Control of a Novel 3D-Printed Humanoid Leg
… and obstacles, robots require active compliance control with force feedback. In these applications the control law typically includes full dynamics compensation to decouple the joints and cancel out nonlinearities, for which a high-fidelity model of the robot is required. In the case of a …
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An Efficient Wide-Speed Direct Torque Control Based on Fuzzy Logic Technique
Conventional Direct Torque Control (CDTC) system faces the problems of high flux and torque ripples, and has difficulty in improving the performance of dynamic torque response and control flux locus at very low speed. Under field weakening condition, when the speed is beyond the rated speed, the …
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The UW EcoCAR2 Vehicle Development Process and Vehicle Level Torque Control Strategy Documentation
… to the power train of the vehicle and control strategy innovations to reduce greenhouse gas emissions, criteria emissions, petroleum energy consumption, and total energy consumption. The phrase "electrified vehicle" includes mild Hybrid Electric Vehicle (HEV), strong HEV, Plug-in Hybrid …
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Development of direct torque control with neural network for speed change in 3-phase induction motor
… a technique to develop an improved direct torque control (DTC) with neural network in order to control the speed of the three-phase induction motor. This project will developed using MATLAB software to simulate the outcome for the module designed. The NN controller have to be designed and …
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Permanent Magnet Synchronous Motors: Nonlinear Dynamic Modeling, Hardware Characterization, and High-Bandwidth Torque Control for Applications in Dynamic Robotics
The high-level control algorithms that are responsible for achieving dynamic locomotion in legged robots depend on accurate torque production for matching real-life performance with simulated performance. To achieve accurate torque production, actuators must run high-bandwidth, low-level torque …
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Control of Pseudo-Sinusoidal Switched Reluctance Motor with Zero Torque Ripple and Damped Input Current Ripple
… cost advantage and ruggedness. However, the torque ripple and bus current ripple of SRM restrict its application range compared with traditional AC and DC motors due to the doubly salient pole structure and the highly non-linear coupling between torque, rotor position and phase current. As a …
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Modeling and simulation of an all electric ship in random seas
… distribution, and bus voltage/induction motor torque control schemes. The thesis details the applicable nonlinear equations and the tools for identifying system equilibrium points. Then, small displacement theory is used to attain linear state space matrices valid near the operating points, …
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Control Strategies and Parameter Compensation for Permanent Magnet Synchronous Motor Drives
… efficiency and to allow for a higher level of control over the system. One of the important areas within the field of variable speed motor drives is the system's operational boundary. Presently, the operational boundaries of variable speed motor drives are set based on the operational …
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Learning force fields for limb control in character animation
This work applies vector-field-based limb control to physically simulated character animation. Vector fields of joint torques, defined over joint angle space, have been shown in the neuroscience literature to be able to generate simple reaching motions in two dimensions when linearly combined with …
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Fault tolerant behavior of advanced control schemes of induction machine drives
… offer energy saving solutions, providing precise control and quick response time. They are required for sensitive process control in industrial applications and other emerging technologies such as electric vehicles. This thesis examines two popular advanced control schemes of variable-speed …
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