Simulink Simulation of Load-Controlled Memcapacitor for Reducing Output Voltage Ripple in Buck-Boost Converters

As is known, memcapacitors, which are memory elements, are electrical circuit elements ex-pected to revolutionize various research and many engineering fields thanks to their variable capacitance and non-volatile memory effects. Although there is not yet enough scientific research on memcapacitors in power electronics systems, they have serious scientific discovery potential, especially in terms of reducing output voltage ripple, increasing voltage stability, and improving energy efficiency. In this study, theoretical and simulation results performed in the Matlab/Simulink environment are presented, showing that adding a memcapacitor to the output of a commonly used buck-boost converter, a type of DC-DC converter, significantly reduces the output voltage ripple. In the study, a memcapacitor emulator that can be implemented using commercial components is first proposed and validated. Then, this emulator was used to exam-ine the steady-state output voltage ripple and transient response of the buck-boost converter. The results show that the use of a load-controlled memcapacitor can reduce the output voltage ripple by up to 96%.