The PWM DC-DC boost converters are nonlinear time-variant circuits that provide a constant output voltage higher than input voltage over a wide duty-cycle range. In this paper, a large-signal non-ideal averaged model of boost converter is implemented using MATLAB s-function. In addition, voltage-mode control with type III compensator is designed to improve the system response and relative stability. The nonlinear model is validated via MATLAB and SaberRD simulations. Finally, the proposed model is used to study the tracking performance and stability of the control system under line and load disturbances.
Nonlinear Modeling and Voltage-Mode Control of DC-DC Boost Converter for CCM / Al-Baidhani, Humam; Kazimierczuk, Marian K.; Reatti, Alberto. - ELETTRONICO. - (2018), pp. 1-5. (Intervento presentato al convegno IEEE ISCAS 2018) [10.1109/ISCAS.2018.8351078].
Nonlinear Modeling and Voltage-Mode Control of DC-DC Boost Converter for CCM
Reatti, Alberto
2018
Abstract
The PWM DC-DC boost converters are nonlinear time-variant circuits that provide a constant output voltage higher than input voltage over a wide duty-cycle range. In this paper, a large-signal non-ideal averaged model of boost converter is implemented using MATLAB s-function. In addition, voltage-mode control with type III compensator is designed to improve the system response and relative stability. The nonlinear model is validated via MATLAB and SaberRD simulations. Finally, the proposed model is used to study the tracking performance and stability of the control system under line and load disturbances.
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