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Implementing Fuzzy Logic Controller Using VHDL | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 25, Issue 9, 2007, Pages 1049-1055 PDF (127.17 K) | ||
| DOI: 10.30684/etj.25.9.3 | ||
| Authors | ||
| Yousra A. Mohammed; Leena K. Hashim | ||
| Abstract | ||
| Design of a Fuzzy Logic Controller (FLC) requires more design decisions than usual, for example rule base, inference engine, defuzzifiction, and data pre- and post processing. This paper describes a way to implement a simple (FLC) in VHDL, there are three parts to fuzzy controller, the fuzzification of the inputs, the defuzzification of the outputs, and the rule base. The controller that is implemented has demonstrated a 2-input, 1-output fuzzy controller with 5-membership functions. This paper identifies and describes the design choices related to simple fuzzy logic controller, based on an international standard which is underway. In this paper, we propose a VHDL-based logic synthesis approach for designing to reduce design time. A complete description of the controller (A fuzzier, defuzzifier parts and a rule based are written in VHDL by using Active_HDL and are assembled and synthesized using logic synthesis tools of ISE4.1 software. The efficiency of the generated hardware is explored for FPGAs technology. | ||
| Keywords | ||
| Fuzzy Logic Controller; VHDL; and FPGA | ||
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