A Methodology to Design FPGA-based PID Controllers

Lima, João; Menotti, Ricardo; Cardoso, João M. P.; Marques, Eduardo

http://hdl.handle.net/10400.1/1153

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Abstract(s)

This paper presents a methodology to implement PID (Proportional, Integral, Derivative) controllers in FPGAs (Field-Programmable Gate Arrays) using fixed-point numerical representation. The Matlab/Simulink environment is used for modeling, simulation and evaluation the performance provided by different fixed-point representations using a given control process. A static bit-width analyzer is used to give a specialized fixed-point representation for each operand/operator in the controller system. After bit-width analysis, a VHDL represen-tation of the system is generated. Results show that the proposed methodology leads to shorten design cycles achieving important resource savings by employing specialized fixed-point repre-sentations.

Keywords

PID (Proportional FPGAs (Field-Programmable Gate Arrays) Bit-width analyzer Derivative) controllers Integral

URI

http://hdl.handle.net/10400.1/1153

Publisher

IEEE

Collections

FCT2-Artigos (em revistas ou actas indexadas)

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