Application of fuzzy logic in the speed control of AC servo system and an intelligent inverter

Author

Cheng, Feng-Fu ; Yeh, Sheng-Nian

Author_Institution

Dept. of Electr. Eng., Nat. Taiwan Inst. of Technol., Taipei, Taiwan

Volume

8

Issue

2

fYear

1993

fDate

6/1/1993 12:00:00 AM

Firstpage

312

Lastpage

318

Abstract

A fuzzy logic controller for use in the fully digital speed control of AC servomotor systems is presented. An intelligent inverter is also proposed to reduce the switching loss and the current harmonics in induction motors. A 16 bit single-chip microprocessor is used to reduce the number of circuit components for cost reduction and reliability enhancement. In order to facilitate the instantaneous control of motor torque, indirect field orientation is adopted along with a current-regulated pulse-width-modulation voltage-source inverter. A computer simulation for assessing the feasibility of the system proposed is described. Circuit design and software development are then undertaken. Simulation results are verified experimentally

Keywords

control system analysis computing; digital control; digital simulation; electric machine analysis computing; fuzzy control; fuzzy logic; induction motors; invertors; machine control; microcomputer applications; servomotors; velocity control; 16 bit; AC servomotor; PWM; computer simulation; control system analysis; controller; cost; current harmonics; design; digital control; electric machine analysis computing; fuzzy logic; indirect field orientation; induction motors; inverter; machine control; microprocessor; reliability; software; speed control; switching loss; torque control; Circuits; Control systems; Fuzzy logic; Induction motors; Microprocessors; Pulse width modulation inverters; Servomechanisms; Servomotors; Switching loss; Velocity control;

fLanguage

English

Journal_Title

Energy Conversion, IEEE Transactions on

Publisher

ieee

ISSN

0885-8969

Type

jour

DOI

10.1109/60.222722

Filename

222722