Ablay, Gunyaz2025-09-252025-09-2520181755-45351755-4543https://doi.org/10.1049/iet-pel.2017.0441https://hdl.handle.net/20.500.12573/4585Ablay, Gunyaz/0000-0003-2862-6761This study presents variable structure system theory based robust integral controllers for class-D power amplifiers. These amplifiers are highly efficient switching type power amplifiers with negligible losses. Sensorless and current feedback based integral controllers with sliding modes are designed to provide robust tracking performance with negligible phase delays and distortions. The methods are capable of providing high-quality outputs by maximising gain and minimising the tracking error and phase shifts. The validity, feasibility and robustness performance of the controllers are investigated through circuit realisations.eninfo:eu-repo/semantics/closedAccessRobust ControlPower AmplifiersVariable Structure SystemsElectric Current ControlControl System SynthesisPower ControlRobust Integral ControllerHigh-Order Class-D Power AmplifierVariable Structure System TheorySwitching Type Power AmplifierSensorless Based Integral ControllerCurrent Feedback Based Integral ControllerRobust Tracking PerformanceTracking Error MinimizationPhase Shift MinimizationArticle10.1049/iet-pel.2017.04412-s2.0-85093973023