A FUZZY SET-THEORY BASED CONTROL OF A PHASE-CONTROLLED CONVERTER DC MACHINE DRIVE

被引：72

作者：

SOUSA, GCD

BOSE, BK

机构：

[1] EPRI,CTR POWER ELECTR APPLICAT,KNOXVILLE,TN

[2] BEIJING POWER ELECTR RES & DEV CTR,BEIJING,PEOPLES R CHINA

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1994年 / 30卷 / 01期

关键词：

D O I：

10.1109/28.273619

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fuzzy logic or fuzzy set theory is recently getting increasing emphasis in process control applications. The paper describes application of fuzzy-logic in a speed control system that uses a phase-controlled bridge converter and a separately excited dc machine. The fuzzy control is used to linearize the transfer characteristics of the converter in discontinuous conduction mode occurring at light load and/or high speed. The fuzzy control is then extended to the current and speed control loops, replacing the conventional proportional-integral (PI) control method. The compensation and control algorithms have been developed in detail and verified by digital simulation of a drive system. The simulation study indicates the superiority of fuzzy control over the conventional control methods. Fuzzy logic seems to have a lot of promise in the applications of power electronics.

引用

页码：34 / 44

页数：11

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