Interval Type-2 Fuzzy-Logic-Based Constant Switching Frequency Control of a Sliding-Mode-Controlled DC–DC Boost Converter

The inherent unlimited high switching frequency of the sliding mode controller (SMC) is limited by practical constraints hysteresis modulation (HM) technique. inductor current and output voltage a converter can be regulated using combination HM-SMC. However, HM-SMC results in variable operation, which not preferred due to Electromagnetic Interference (EMI) issues. In this paper, an interval fuzzy designed developed as solution enable addition, robust surface proposed, provides improved dynamic response. two proposed controllers’ compatibility with one another has been tested via experiments such step change input voltage, load resistance variation, finally, reference value. test validate that while type-2 maintains constant acceptable responses, it successfully regulates state variables system. A comparison performance control method existing techniques literature presented.