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This paper presents a competent approach to explain torque-speed, torque-time and speed-time characteristic of an induction motor operating under different degree and conditions of voltage unbalance. Dependence of breaking torque and torque pulsation with condition and degree of unbalance has been revealed. It has been shown that, for the same degree of unbalance, the magnitude of breaking torque...
Through the analysis of the multi variables, nonlinear and strong coupling system of two AC induction motors, this paper designs a fuzzy PID controller that the structure is simple and the application is easy. The fuzzy control does not require a precise mathematical modeling of the system nor complex computations. It only relies on the human capability to understand the system's behavior and is based...
The control scheme is presented to aim at the speed control of single phase induction motor. It consists of fuzzy controller, two tracking differentiators, and speed estimator. At first, The design of rotor speed estimator is carried on, which the rotor speed can be obtained according to the general mathematic model of single phase induction motor and rotor estimating speed be used instead of rotor...
At motor start-up process, the motor speed is constantly changing, the input voltage adjustments should follow the changes of motor speed timely, or it is difficult to achieve the desired objectives, but the traditional way increased the cost of maintaining, complexity, and made the reliability lower, which would certainly affects the usage and scope of the controller. This paper presents a new method...
Taking the multi-variable of synchronization system of the AC induction motors as study object, focusing on the system of induction motors powered by current-tract SPWM transducers, the mathematical model of the system of two motors is established. Combining decoupling technology of adaptive neuron decoupling compensator, RBF neural network adaptive PID controller is adopted to design the neural network...
Taking the multi-variable of synchronization system of the AC induction motors as study object, focusing on the system of induction motors powered by current-tract SPWM transducers, the mathematical model of the system of two motors is established. Combining decoupling technology of adaptive neuron decoupling compensator, RBF neural network adaptive PID controller is adopted to design the neural network...
The paper takes the multi-variable of synchronous system of the AC induction motors as study object, focuses on the system of induction motors powered by current-tract SPWM transducers, establishes the unified model of the system of two motor depends on the alpha, beta static reference frame. It adopts the adaptive PSD controller with multi-variable single neural unit to perform the decoupling control...
The paper takes the multi-variable of synchronous system of the AC induction motors as study object, focuses on the system of induction motors powered by current-tract SPWM transducers, establishes the mathematical model of the system of two motors. It adopts a reformative single neuron adaptive PSD controller that based on variable speed integral separation to perform the decoupling control of speed...
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