现场可编程门阵列硬件在环验证模糊直接转矩控制感应电机驱动

A. Aib, D. Khodja, S. Chakroune
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引用次数: 0

摘要

介绍。目前,直接转矩控制在工业上得到了广泛的应用,异步电机的变速传动受到了科学家们的极大关注。该技术提供了转矩控制和磁链之间的解耦,而不需要使用脉宽调制或坐标变换。然而,该命令提出了两个主要的难题:一方面,开关频率是高度可变的,另一方面,在整个考虑的工作速度范围内,转矩和定子磁链波纹的幅度仍然控制得很差。本文的新颖之处在于提出了一种模糊直接转矩控制算法,以改善异步电机的直接转矩控制性能。后者使得有可能为该控制技术的主要问题提供解决方案,即:转矩波动,磁链波动和开关频率控制失败。目的。这种方法的出现产生了各种各样的作品,其目的是展示其性能,或为其局限性提供解决方案。实际上,这项工作包括通过硬件描述语言(VHDL)和Xilinx发生器系统,在ML402开发工具包(基于Xilinx Virtex-4型现场可编程门阵列电路)上实现的模糊直接转力控制架构的验证。结果表明,该控制具有鲁棒性,在负载和参数变化前无传感器控制。确定了模型的研究方向,以便后续用仿真样本实现结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Field programmable gate array hardware in the loop validation of fuzzy direct torque control for induction machine drive
Introduction. Currently, the direct torque control is very popular in industry and is of great interest to scientists in the variable speed drive of asynchronous machines. This technique provides decoupling between torque control and flux without the need to use pulse width modulation or coordinate transformation. Nevertheless, this command presents two major importunities: the switching frequency is highly variable on the one hand, and on the other hand, the amplitude of the torque and stator flux ripples remain poorly controlled throughout the considered operating speed range. The novelty of this article proposes improvements in performance of direct torque control of asynchronous machines by development of a fuzzy direct torque control algorithm. This latter makes it possible to provide solutions to the major problems of this control technique, namely: torque ripples, flux ripples, and failure to control switching frequency. Purpose. The emergence of this method has given rise to various works whose objective is to show its performance, or to provide solutions to its limitations. Indeed, this work consists in validation of a fuzzy direct torque control architecture implemented on the ML402 development kit (based on the Xilinx Virtex-4 type field programmable gate array circuit), through hardware description language (VHDL) and Xilinx generator system. The obtained results showed the robustness of the control and sensorless in front of load and parameters variation of induction motor control. The research directions of the model were determined for the subsequent implementation of results with simulation samples.
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