Indirect vector control of induction motors using a PI-fuzzy controller with the simplified implementation without current sensors

2015 7th International Conference on Information Technology and Electrical Engineering (ICITEE) Pub Date : 2015-10-01 DOI:10.1109/ICITEED.2015.7408973

Itthiphan Sakunwanthanasak, S. Boonsang

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引用次数: 4

Abstract

The aim of this paper is to present a simplified vector control implementation without current sensors in order to reduce cost of overall system, design complexity, and improving by using proportional-integral fuzzy logic control (PI-FLC) for high performance in wide-speed-range operation. In this scheme, voltage source inverter used space vector pulse width modulation (SVPWM) technique that is good voltage utilization and low total harmonic distortion (THD), where voltage control signal of inverter is derived from indirect vector control (IVC) theory and dynamic motor equation. The complete PI-FLC vector control was experimentally implemented using dsPIC4011 board for 1/2-hp squirrel cage induction motor (IM). This proposed control system was compared with conventional proportional-integral (PI) control validated by MATLAB/Simulink and experiment. Both control techniques were tested at different dynamic conditions such as sudden speed change and speed tracking. The comparative experimental results show that the PI-FLC vector control is more robust for this application.

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采用pi模糊控制器对异步电动机进行间接矢量控制，并简化实现，无需电流传感器

本文的目的是提出一种简化的矢量控制实现，以降低整个系统的成本，设计复杂性，并通过使用比例积分模糊逻辑控制(PI-FLC)来提高在宽速度范围内运行的高性能。在该方案中，电压源逆变器采用空间矢量脉宽调制(SVPWM)技术，该技术具有良好的电压利用率和低的总谐波失真(THD)，逆变器的电压控制信号由间接矢量控制(IVC)理论和动态电机方程推导。采用dsPIC4011板对1/2马力鼠笼式异步电动机(IM)进行了PI-FLC矢量控制实验。通过MATLAB/Simulink和实验验证了该控制系统与传统的比例积分(PI)控制系统的对比。在不同的动态条件下对两种控制技术进行了测试，如突然变速和速度跟踪。对比实验结果表明，PI-FLC矢量控制具有较好的鲁棒性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 7th International Conference on Information Technology and Electrical Engineering (ICITEE)

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