Volume 4 Number 6 (Dec. 2012)
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IJCEE 2012 Vol.4(6): 908-911 ISSN: 1793-8163 DOI: 10.7763/IJCEE.2012.V4.633

Comparative Analysis and Design of Diverse Realizations for FPGA Based Digital PID Controller Using Xilinx SysGen

Hammad Khan, M.Haseeb Akram, Iayan Khalid, Humayun Salahuddin, Abdul Aziz, and Ali Qureshi
Abstract—Digital PID controller is one of the most powerful and efficient controller, which is widely used in industrial control systems. PID controllers can be implemented through either by microprocessors or they can be implemented through FPGA. FPGA based PID controllers are more advantageous in terms of speed and power consumption as compared to software based. Here we design two diverse realizations of FPGA based digital PID controller. One realization is multiplier based which needs multipliers for its implementation and other realization is multiplierless, which is implemented through Distributed Arithmetic Look Up Table (DALUT) method. Distributed arithmetic is an efficient technique to compute inner products using Look Up Tables (LUT). DALUT based PID controller is more efficient because it utilizes less power and hardware resources. Both realizations are simulated in Matlab/Simulink environment. Xilinx SysGen is used to translate both the realizations to bit stream which then can be synthesized, implemented and downloaded to the target FPGA using Xilinx ISE Project Navigator. The results obtained are very helpful for comparative analysis of both the realizations.

Index Terms—DALUT, distributed arithmetic, FPGA, look up table, matlab, multiplierless, PID controller, simulink, VHDL, xilinx sysgen .

Hammad Khan, M. Haseeb Akram, Iayan Khalid, and Humayun Salahuddin are with the Deptt. of Electronic Engineering, UCET, IUB, Pakistan (e-mail:khammad88@yahoo.com, haseeb_akram88@hotmail.com, iayankhalid@yahoo.com, humayun_s6@yahoo.com)
Abdul Aziz and Ali Qureshi is with the Department of Electronic Engineering, University College of Engineering & Technology, The Islamia University of Bahawalpur, Pakistan (e-mail: {abdul.aziz, ali.Qureshi}@iub.edu.pk)

Cite: Hammad Khan, M.Haseeb Akram, Iayan Khalid, Humayun Salahuddin, Abdul Aziz, and Ali Qureshi, "Comparative Analysis and Design of Diverse Realizations for FPGA Based Digital PID Controller Using Xilinx SysGen," International Journal of Computer and Electrical Engineering vol. 4, no. 6, pp. 908-911, 2012.

General Information

ISSN: 1793-8163
Frequency: Semiyearly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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