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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Model-Based Control for Power Converters With Variable Sampling Time: A Case Example Using Five-Phase Induction Motor Drives
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Model-Based Control for Power Converters With Variable Sampling Time: A Case Example Using Five-Phase Induction Motor Drives

机译：采样时间可变的功率变换器的基于模型的控制：一个使用五相感应电动机驱动器的案例

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Discrete-time control of power converters without modulation blocks have been considered in recent times in modern high-performance electromechanical drives, particularly with the appearance of model predictive control in its finite set version. The shortcomings produced by the fixed discretization of time used in this kind of control systems has been analyzed, and several methods have been put forward to deal with them. Most of the alternatives increase the complexity of the controller introducing different analytical modulation methods. However, a variable sampling time can be a simpler and more natural solution, at the expense of using a less-known paradigm for implementation. This paper introduces a new control approach based on a model of the system as in predictive controllers but using variable sampling time. It can be applied to modern power converters and drives, including conventional three-phase or advanced multiphase ones. Experimental results are provided to test the ability of the controller using a five-phase induction motor drive as a case example.
机译：近年来，现代高性能机电驱动器中已考虑了不带调制块的功率转换器的离散时间控制，尤其是在有限集版本中出现了模型预测控制时。分析了这种控制系统中时间固定离散所产生的缺点，并提出了几种解决方法。大多数替代方案都会增加控制器的复杂性，从而引入不同的分析调制方法。但是，可变的采样时间可能是一种更简单，更自然的解决方案，但代价是使用了鲜为人知的范例进行实施。本文介绍了一种新的控制方法，该方法基于预测控制器中的系统模型，但使用可变的采样时间。它可以应用于现代功率转换器和驱动器，包括常规的三相或先进的多相转换器。提供了实验结果，以使用五相感应电动机驱动器为例来测试控制器的能力。

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