Experimental verification of a hybrid fuzzy controller for a high performance brushless DC drive system

Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370) Pub Date : 1999-10-03 DOI:10.1109/IAS.1999.801633

A. Rubaai, D. Ricketts, M. D. Kankam

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引用次数: 53

Abstract

This paper presents the design and experiment of a hybrid fuzzy control scheme for a high performance brushless DC motor drive system. Both the design of the fuzzy controller and its integration with the proportional integral (PI) in a global control scheme are discussed. The principle of the proposed control scheme is to use a PI controller, which performs satisfactorily in most cases, while keeping in the background, a fuzzy controller, which, is ready to take over the PI controller when severe perturbations occur. Performance of the hybrid fuzzy-PI controller is evaluated through a laboratory implementation. The laboratory implementation is based on a linguistic fuzzy controller whose design is derived from the expert knowledge during disturbed phases. Experimental results have shown excellent tracking performance of the hybrid control system, and have convincingly demonstrated the usefulness of the hybrid fuzzy controller in high performance drives with uncertainties.

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高性能无刷直流驱动系统混合模糊控制器的实验验证

本文介绍了一种高性能无刷直流电动机驱动系统的混合模糊控制方案的设计与实验。讨论了模糊控制器的设计及其与比例积分(PI)在全局控制方案中的集成。所提出的控制方案的原理是使用在大多数情况下性能令人满意的PI控制器，同时在后台保留一个模糊控制器，当发生严重扰动时，模糊控制器准备接管PI控制器。通过实验验证了模糊- pi混合控制器的性能。实验室实现基于语言模糊控制器，该控制器的设计来源于扰动阶段的专家知识。实验结果表明，混合控制系统具有良好的跟踪性能，并充分证明了混合模糊控制器在具有不确定性的高性能驱动中的有效性。

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Conference Record of the 1999 IEEE Industry Applications Conference. Thirty-Forth IAS Annual Meeting (Cat. No.99CH36370)

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