PI and Sliding Mode Control of a Cuk Converter

Chen, Zengshi

doi:10.1109/tpel.2012.2183891

Cited by 187 publications

(87 citation statements)

References 40 publications

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“…Standard Routh-Hurwitz criterion for determination of PI gain values is omitted in this paper, and all gain values are determined using trial-error methods. For further details of Routh-Hurwitz criterion for external PI controllers, one can refer to [24]. The target SF value was selected as 150 kHz, and intermittent PI hysteresis controller was only enabled when the absolute value of error exceeded 10, as shown in Figure 8.…”

Section: Simulation Resultsmentioning

confidence: 99%

Development of Sliding Mode Controller for a Modified Boost Ćuk Converter Configuration

et al. 2017

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This paper introduces a sliding mode control (SMC)-based equivalent control method to a novel high output gainĆuk converter. An additional inductor and capacitor improves the efficiency and output gain of the classicalĆuk converter. Classical proportional integral (PI) controllers are widely used in direct current to direct current (DC-DC) converters. However, it is a very challenging task to design a single PI controller operating in different loads and disturbances. An SMC-based equivalent control method which achieves a robust operation in a wide operation range is also proposed. Switching frequency is kept constant in appropriate intervals at different loading and disturbance conditions by implementing a dynamic hysteresis control method. Numerical simulations conducted in MATLAB/Simulink confirm the accuracy of analysis of high output gain modifiedĆuk converter. In addition, the proposed equivalent control method is validated in different perturbations to demonstrate robust operation in wide operation range.

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Section: Simulation Resultsmentioning

confidence: 99%

Development of Sliding Mode Controller for a Modified Boost Ćuk Converter Configuration

et al. 2017

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“…Cuk converter has two working modes and the boost factor is D′/(1-D′) [25]. In the first working mode as shown in Fig.…”

Section: Power Loss Analysis For Cuk Convertermentioning

confidence: 99%

ESL-𝚪-Z- Source Inverter

Pan¹,

Sun²,

Wang³

et al. 2014

Journal of Electrical Engineering and Technology

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-On the basis of the traditional ZSI (Z-source inverter), this paper presents a ESL-Γ-ZSI, which uses a unique Γ-shaped impedance network and an extended SL network for boosting its output voltage in addition to their usual voltage-buck behavior. The inverter can increase the boost factor through adjusting shoot-through duty ratio and increasing the number of inductors. Capacitor voltage stress of ESL-Γ-ZSI is a constant when 1>D>0, and ESL-Γ-ZSI has small inductor current stress. The working principle of ESL-Γ-ZSI and comparison with the classical ZSI and SL-ZSI are analyzed in detail. The power loss comparison between ESL-Γ-ZSI and Cuk converter is analyzed detailedly. Simulation and experimental results are given to demonstrate the operation features of the inverter.

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“…Unlike these control methods, the model-based control presented in this paper uses a modified statespace model which preserves the low frequency statespace variables dynamics, and allows to design a robust sliding mode control (SMC) in natural reference frame. The use of the SMC technique improves the tracking behaviour and dynamic performances, providing fast dynamic response with high robustness against system parameters variations [3], [4].…”

Section: Introductionmentioning

confidence: 99%

Variable Structure Control in Natural Frame for Three-Phase Grid-Connected Inverters With LCL Filter

Guzmán

Vicuña

Castilla

et al. 2018

IEEE Trans. Power Electron.

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Abstract-This paper presents a variable structure control in natural frame for a three-phase gird-connected voltage source inverter with LCL filter. The proposed control method is based on modifying the converter model in natural reference frame, preserving the low frequency state space variables dynamics. Using this model in a Kalman filter, the system state-space variables are estimated allowing to design three independent current sliding-mode controllers. The main closed-loop features of the proposed method are: 1) robustness against grid inductance variations because the proposed model is independent of the grid inductance, 2) the power losses are reduced since physical damping resistors are avoided, 3) the control bandwidth can be increased due to the combination of a variable hysteresis comparator with the Kalman filter, and 4) the grid-side current is directly controlled providing high robustness against harmonics in the grid. To complete the control scheme, a theoretical stability analysis is developed. Finally, selected experimental results validate the proposed control strategy and permit illustrating all its appealing features.

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PI and Sliding Mode Control of a Cuk Converter

Cited by 187 publications

References 40 publications

Development of Sliding Mode Controller for a Modified Boost Ćuk Converter Configuration

Development of Sliding Mode Controller for a Modified Boost Ćuk Converter Configuration

ESL-𝚪-Z- Source Inverter

Variable Structure Control in Natural Frame for Three-Phase Grid-Connected Inverters With LCL Filter

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