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J. Low Power Electron. Appl. 2017, 7(2), 15; doi:10.3390/jlpea7020015

Predictive Direct Torque Control Application-Specific Integrated Circuit of an Induction Motor Drive with a Fuzzy Controller

Department of Electrical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
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Author to whom correspondence should be addressed.
Academic Editor: Alexander Fish
Received: 18 January 2017 / Revised: 22 April 2017 / Accepted: 7 June 2017 / Published: 10 June 2017

Abstract

This paper proposes a modified predictive direct torque control (PDTC) application-specific integrated circuit (ASIC) of a motor drive with a fuzzy controller for eliminating sampling and calculating delay times in hysteresis controllers. These delay times degrade the control quality and increase both torque and flux ripples in a motor drive. The proposed fuzzy PDTC ASIC calculates the stator’s magnetic flux and torque by detecting the three-phase current, three-phase voltage, and rotor speed, and eliminates the ripples in the torque and flux by using a fuzzy controller and predictive scheme. The Verilog hardware description language was used to implement the hardware architecture, and the ASIC was fabricated by the Taiwan Semiconductor Manufacturing Company through a 0.18-μm 1P6M CMOS process that involved a cell-based design method. The measurements revealed that the proposed fuzzy PDTC ASIC of the three-phase induction motor yielded a test coverage of 96.03%, fault coverage of 95.06%, chip area of 1.81 × 1.81 mm2, and power consumption of 296 mW, at an operating frequency of 50 MHz and a supply voltage of 1.8 V. View Full-Text
Keywords: predictive direct torque control; ASIC; induction motor; hardware description language; fuzzy control predictive direct torque control; ASIC; induction motor; hardware description language; fuzzy control
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Sung, G.-M.; Wang, W.-Y.; Lin, W.-S.; Yu, C.-P. Predictive Direct Torque Control Application-Specific Integrated Circuit of an Induction Motor Drive with a Fuzzy Controller. J. Low Power Electron. Appl. 2017, 7, 15.

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J. Low Power Electron. Appl. EISSN 2079-9268 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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