A New Digital Control Algorithm to Achieve Optimal Dynamic Performance in DC-to-DC Converters

Gao, Feng; Meyer, E.; Liu, Yanfei

doi:10.1109/tpel.2007.900605

Cited by 199 publications

(30 citation statements)

References 12 publications

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“…For buck converters, both the minimum output voltage deviation and the minimum recovery time can be achieved at the same time by employing the time-optimal control [10]. However, this is impossible for the boost converters in Fig.…”

Section: Output Voltage Deviation and Recovery Time Of Boost Convmentioning

confidence: 99%

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Tradeoff between the Output Voltage Deviation and Recovery Time of Boost Converters

Ge¹,

Yuan²,

Zhao³

et al. 2015

Journal of Power Electronics

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The time-optimal control for boost converters can achieve the minimum recovery time. However, their output voltage deviation is quite large. Since the minimum output voltage deviation and minimum recovery time cannot be obtained at the same time, a novel energy control is proposed to achieve a superior tradeoff between them in this paper. The peak value of the inductor current can be decreased as well. Its control parameter is easy to choose. When compared with the conventional control methods, the proposed control shows a better dynamic performance. Experimental results, which are in agreement with the theoretical analysis, are provided to verify the proposed control method. . His current research interests include high-voltage and high-power converter designs, and digital control techniques.

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Section: Output Voltage Deviation and Recovery Time Of Boost Convmentioning

confidence: 99%

“…Furthermore, minimum-time transient recovery during sudden load changes can be achieved by using natural switching surfaces [6], [7]. Some other time optimal controls can obtain the same effect [8]- [10]. Most of them can aslo achieve the minimum recovery time.…”

Section: Introductionmentioning

confidence: 99%

Tradeoff between the Output Voltage Deviation and Recovery Time of Boost Converters

Ge¹,

Yuan²,

Zhao³

et al. 2015

Journal of Power Electronics

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show abstract

“…Recently, digitally controlled pulsewidth modulated dcdc converters have become a hot research topic because of their lower sensitivity to system noises and component parameter variations, programmability, ability to implement complex control strategies, and possibilities to update controller online [1][2][3][4][5]. The main control techniques of digital dc-dc converter can be classified into voltage mode control and current mode control.…”

Section: Introductionmentioning

confidence: 99%

Online Inductance and Capacitance Identification Based on Variable Forgetting Factor Recursive Least-Squares Algorithm for Boost Converter

et al. 2018

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The control performance of boost converter suffers from the variations of important component parameters, such as inductance and capacitance. In this paper, an online inductance and capacitance identification based on variable forgetting factor recursive least-squares (VFF-RLS) algorithm for boost converter is proposed. First, accurate inductance and capacitance identification models and the RLS algorithm are introduced. In order to balance the steady-state identification accuracy and parameter tracking ability, a forgetting factor control technique is investigated. By recovering system noise in the error signal of the algorithm, the value of forgetting factor is dynamically calculated. In addition, since the sampling rate is much lower than the existing identification methods, the proposed algorithm is practical for low-cost applications. Finally, the effectiveness of the proposed algorithm is verified by experiment. The experiment results show that the algorithm has good performance in tracking inductance and capacitance variations.

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“…But they were not in interest with dynamic response. To obtain a good dynamic response, many current mode controllers were developed like, feedback loop using hysteresis and proportional Integral algorithm [5], current mode PID controller [6], current mode controller in boost converter [7], average current mode controller [8], but they all had tedious mathematical equations to solve.…”

Section: Introductionmentioning

confidence: 99%

Improved Dynamic Response of DC to DC Converter Using Hybrid PSO Tuned Fuzzy Sliding Mode Controller

Anand¹,

Mary²

2016

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DC/DC switching converters are widely used in numerous appliances in modern existence. In this paper, the dynamic and transient response of phase shift series resonant DC/DC converter are improved using hybrid particle swarm optimization tuned fuzzy sliding mode controller under starting and load step change conditions. The aim of the control is to regulate the output voltage beneath the load change. The model of the hybrid particle swarm optimization tuned fuzzy sliding mode controller is implemented using Sim Power Systems toolbox of MATLAB SIMULINK. Performance of the proposed dynamic novel control under step load change condition is investigated.

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A New Digital Control Algorithm to Achieve Optimal Dynamic Performance in DC-to-DC Converters

Cited by 199 publications

References 12 publications

Tradeoff between the Output Voltage Deviation and Recovery Time of Boost Converters

Tradeoff between the Output Voltage Deviation and Recovery Time of Boost Converters

Online Inductance and Capacitance Identification Based on Variable Forgetting Factor Recursive Least-Squares Algorithm for Boost Converter

Improved Dynamic Response of DC to DC Converter Using Hybrid PSO Tuned Fuzzy Sliding Mode Controller

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