This paper presents a fuzzy logic controller by which a robot can imitate biological behaviors such as avoiding obstacles or following\nwalls. The proposed structure is implemented by integrating multiple ultrasonic sensors into a robot to collect data from a realworld\nenvironment. The decisions that govern the robot�s behavior and autopilot navigation are driven by a field programmable\ngate array- (FPGA-) based fuzzy logic controller.The validity of the proposed controller was demonstrated by simulating three realworld\nscenarios to test the bionic behavior of a custom-built robot. The results revealed satisfactorily intelligent performance of the\nproposed fuzzy logic controller. The controller enabled the robot to demonstrate intelligent behaviors in complex environments.\nFurthermore, the robot�s bionic functions satisfied its design objectives.
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