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首页> 外文期刊>Advances in Science, Technology and Engineering Systems >Direct Torque Control Strategy Based on the Emulation of Six-Switch Inverter Operation by a Four-Switch Inverter Using an Adaptive Fuzzy Controller
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Direct Torque Control Strategy Based on the Emulation of Six-Switch Inverter Operation by a Four-Switch Inverter Using an Adaptive Fuzzy Controller

机译：基于自适应模糊控制器的四开关逆变器仿真六开关逆变器操作的直接转矩控制策略

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摘要

This paper presents a novel direct torque control (DTC) strategy aimed to four-switch three-phase (FSTP) inverter-fed an interior permanent magnet synchronous machine (IPMSM), using a fuzzy logic toolbox in speed control loop. In fact, the introduced DTC approach is based on the emulation of the operation of the standard six-switch three-phase (SSTP) inverter. This fact has been produced thanks to suitable combinations of four unbalanced voltage vectors intrinsically generated by the FSTPI, leading to the synthesis of six balanced voltage vectors yielded by the SSTPI. It has been found from the simulation results that the adaptive fuzzy speed controller implemented for basic and proposed DTC strategies dedicated to FSTPI-fed an IPMSM drives, exhibits interesting performances over different operating conditions, more robustness and less steady-state error especially when there exist motor parameter uncertainties and unexpected load changes occur, compared to the ones yielded by the conventional proportional-integral controller.
机译：本文提出了一种新颖的直接转矩控制（DTC）策略，该策略旨在在速度控制回路中使用模糊逻辑工具箱，为四开关三相（FSTP）逆变器供电的内部永磁同步电机（IPMSM）提供动力。实际上，引入的DTC方法基于对标准六开关三相（SSTP）逆变器操作的仿真。由于FSTPI本质上生成了四个不平衡电压矢量的适当组合，从而产生了这一事实，从而导致了SSTPI产生的六个平衡电压矢量的合成。从仿真结果中发现，针对专用于FSTPI的IPMSM驱动器的基本和建议DTC策略实现的自适应模糊速度控制器，在不同的工作条件下表现出有趣的性能，具有更高的鲁棒性和更低的稳态误差，尤其是当存在时与常规比例积分控制器相比，电机参数不确定性和意外负载变化会发生。

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