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This paper presents a direct torque control technique for Brushless DC motors with non-sinusoidal back electromotive force. Direct torque control has some benefits such as faster torque response and reduced torque ripple for driving the Brushless DC motors. The Sliding mode observer, which is robust to parameter uncertainties, can be used to estimate the back-EMF and generate the torque. It is employed...
A simple robust control method based on an observer with a multiple integrator plant model is investigated for a DC motor based drive with a flexible load. The problem of controlling the drive with unknown parameters and an external load torque is converted to the simple task of state control of the known plant model. The only information required for commissioning is the specified closed loop dynamics...
This paper presents a novel scheme for the speed/position control of permanent-magnet (PM) DC motor drives. A cascade control scheme, based on multiple instances of a second-order sliding-mode control (2-SMC) algorithm, is suggested, which provides accurate tracking performance under large uncertainty about the motor and load parameters. The proposed scheme has been implemented and tested experimentally...
The research presents a fuzzy control method for DC servomotor control system, which is two inputs and one output fuzzy control model. In the model, the output is motor velocity or motor move position, and the two inputs are error and error change for velocity or position. The control system hardware architecture is consists of PWM module, encoder module, DC motor drive module, and DSP control module...
This paper presents a novel scheme for the speed/position control of permanent-magnet (PM) DC motor drives. A cascade-control scheme, based on multiple instances of a second-order sliding-mode-control (2-SMC) algorithm, is suggested, which provides accurate tracking performance under large uncertainty about the motor and load parameters. The overall control scheme is composed of three main blocks:...
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