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  4. Realization of FPGA based digital controller

Realization of FPGA based digital controller

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200811023.pdf (1.06 MB)

Date

2010

Authors

Patel, Amit

Journal Title

Journal ISSN

Volume Title

Publisher

Dhirubhai Ambani Institute of Information and Communication Technology

Abstract

Field Programmable Gate Array (FPGA) can be used to enhance the efficiency and the flexibility of digital controller. FPGA implementation of digital controllers leads to real time realizations with small size and high speed. Also it offers advantages such as complex functionality, fast computation, and low power consumption for high volume production. This thesis presents realization of FPGA based speed control of brushless dc (BLDC) motor - a real time application. The construction and the operation of the BLDC motor are described. The different control strategies for speed controller and digital pulse width modulation (PWM) control technique are implemented and tested on BLDC motor. Also their performance is evaluated. Proportional Integral (PI) controller and Fuzzy Logic Controller (FLC) are implemented in FPGA as a digital controller. The PI controller is governed by the values of proportional gain and integral gain, while FLC behaves in much similar way as human controls the system. Logics of both controllers: PI controller and fuzzy logic controller are written in High Description Language (HDL). The performance of the PI controller is better than the fuzzy logic controller in case of the complete known plant.

Description

Keywords

Field programmable gate arrays, Design and construction, Integrated circuits, Motion control devices, Digital electronics, Logic design, Computer architecture, Integrated circuits, Fault tolerance

Citation

Patel, Amit (2010). Realization of FPGA based digital controller. Dhirubhai Ambani Institute of Information and Communication Technology, ix, 34 p. (Acc.No: T00259)

URI

http://ir.daiict.ac.in/handle/123456789/296

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M Tech Dissertations

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