Abstract
The buck-boost matrix converter (BBMC) asynchronous motor speed control system based on finite time control has a good speed control performance, but its system stability is closely related to the selection of its control parameters. Therefore, a method for determining the stability region of control parameters is proposed. The discrete iterative mapping model of the BBMC speed control system is established, and the control function of the BBMC speed control system based on finite time control is determined. The BBMC output voltage sampling distribution diagram is used to analyze the influence of each control parameter in the finite time control on the stability of the speed control system. On this basis, the study determined the value range of each control parameter to realize the stable operation of the system. Finally, the correctness of the above theoretical analysis was verified through the BBMC output voltage waveform diagram and experiments. The stability region of control parameters can effectively ensure the stable operation of BBMC speed control system based on finite time control.
Published Version
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