In this paper, we will propose a method to generate fuzzy membership function automatically. Particle Swarm Optimization is used as optimized algorithm, supplement the performance of fuzzy system. PSO is able to generate an optimal of fuzzy set for the membership functions automatic adjustment. Fuzzy control system that automatically back up a truck to a specified point on a loading dock is used as case study to validate the method. The objective of the problem is to back up the truck in order to go at specified position from any start position. Fuzzy system performance after generation show better result than before generation.
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