Predictive VSS switching control of a three-phase inverter

K. Jezernik, R. Horvat
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引用次数: 0

Abstract

A novel predictive VSS switching based current controller for three-phase load driven by power inverter is proposed. Main design specifications are robustness to load electrical parameters, fast dynamic response, reduced switching frequency and simple hardware implementation. To meet previous specifications a switching two types of switching controllers are developed: hysteresis type and predictive type. The voltage source inverter (VSI) is represented as event driven system with 23 modes of operation. The switching among these modes is governed by the supervisory control approach. The regulation with the proposed control law provides good transient response of the brushless BLDC motor control. A new logical FPGA torque and speed controller is developed, analyzed and experimentally verified.
三相逆变器的预测VSS开关控制
针对功率逆变器驱动的三相负载,提出了一种基于预测VSS开关的新型电流控制器。主要设计特点是对负载电气参数的鲁棒性、动态响应快、开关频率低、硬件实现简单。为了满足以往的开关要求,开发了两种类型的开关控制器:滞回型和预测型。电压源逆变器(VSI)被表示为具有23种工作模式的事件驱动系统。这些模式之间的切换由监督控制方法控制。利用所提出的控制律进行调节,使无刷直流电机控制具有良好的暂态响应。开发了一种新型的逻辑FPGA转矩和速度控制器,并对其进行了分析和实验验证。
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