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This paper presents the application of fixed frequency (or indirect) Sliding Mode Control (SMC) to the DC-DC Single-Ended Primary Inductor Converter (SEPIC) where the switching frequency is in the range of hundreds of kHz and consequently a FPGA is required. Due to the constraint of FPGA, only the output voltage is measured. As the proposed SMC requires the knowledge of all the states, an extended...
This paper presents the application of fixed frequency (or indirect) Sliding Mode Control (SMC) to the DC-DC Single-Ended Primary Inductor Converter (SEPIC) which can operate in both step-up and step-down modes. Simulation and experimental studies are conducted. Two laboratory prototypes have been made: one with a switching frequency of 20kHz uses a DSP board which allows to validate the proposed...
This paper presents different aspects involved in the application of fixed frequency Sliding Mode Control (SMC) to the DC-DC Single-Ended Primary Inductor Converter (SEPIC). The choice and influence of the sliding surface regarding the state vector are presented. Simulation results show that a sliding surface composed of the single integral of system's state variables gives steady-state errors whereas...
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