Evaluating of a Fuzzy Chip by Hardware-In-the-Loop (HIL) Simulation

Abstract

In this study, an example of hardware-in-the-loop (HIL) simulation is proposed in order to use in developing control applications that contain a fuzzy logic controller chip. A microcontroller having fuzzy logic and fuzzy inference mechanism allows a remarkable speed up in comparison with conventional controllers which based on only Boolean logic. In order to guarantee to choose of optimum parameters for such a real fuzzy controller system it should be tested either in real-world or in a lower-cost and easier way. A real fuzzy microcontroller can be able to test with a simulation environment instead of a real-system. A simulation of a DC-motor which was developed in an object-oriented language and a real design of a fuzzy logic controller system are presented. In experiments, the fuzzy logic controller system was adopted to react with a simulation drive running in a PC so the I/O procedures were implemented by using a data-acquisition board. The reasonable results on the step response behavior of DC motor angular velocity control system are shown for two different reference values.
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