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Description: 异步电机的精确控制和速度辨识是交流传动系统中重要问题。在该仿真系统中，电机转速采用易于检测的电机定子电压和电流得到转速MRAS辨识算法来估算。由于速度辨识算法中电压模型的纯积分环节会引起的误差积累和漂移问题，采用改进积分型转子磁链估算模型来解决。-The precise control and the speed identification of AC motor are the very important issues on AC drive system.In this system, induction motor is controlled by the direct torque control, stator flux is estimated by u-n model observer that is effective in the full range of speed, motor speed is estimated by MRAS speed identification algorithm that is depended on the voltage and the current of motor stator easily detected. The modified integral rotor flux estimation model is used to solve the problem that the normal model can be affected by the error accumulation and drift of integral calculation in the voltage model of conventional speed identification algorithm.
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Size: 21504 |
Author: 王晨 |
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Description: In This paper, the authors propose a Sensorless Direct Torque and Flux Control (DTFC) of
Induction Motor (IM) using two approach intelligent techniques: Mamdani Fuzzy Logic (FL)
controller is used for controlling the rotor speed and Artificial Neural Network (ANN) applied in
switching select stator voltage. We estimated the rotor speed by using the Model Reference
Adaptive Systems (MRAS). The control method proposed in this paper can reduce the torque,
stator flux and current ripples and especially improve system good dynamic performance and
robustness in high and low speeds-In This paper, the authors propose a Sensorless Direct Torque and Flux Control (DTFC) of
Induction Motor (IM) using two approach intelligent techniques: Mamdani Fuzzy Logic (FL)
controller is used for controlling the rotor speed and Artificial Neural Network (ANN) applied in
switching select stator voltage. We estimated the rotor speed by using the Model Reference
Adaptive Systems (MRAS). The control method proposed in this paper can reduce the torque,
stator flux and current ripples and especially improve system good dynamic performance and
robustness in high and low speeds..
Platform: |
Size: 3107840 |
Author: aa |
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Description: 基于转子磁链模型的模型参考自适应方法，用于辨识转子时间常数-Rotor Time Constant Identification in Vector Controlled Induction Motor Applied Flux Model Reference Adaptive System (MRAS)
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Size: 346112 |
Author: 汤梦阳 |
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Description: 建立模型参考自适应系统(MRAS)来估计转子磁链，最后通过Matlab／Simulink仿真与基于DSP的无速度传感器异步电动机矢量控制实验-Model reference adaptive system (MRAS) to estimate the rotor flux, and finally through Matlab/Simulink Simulation and DSP-based induction motor speed sensorless vector control experiments
Platform: |
Size: 57344 |
Author: 刘轲 |
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