A Digital Power Factor Correction (PFC) Control Strategy Optimized for DSP

Zhang, Wanfeng; Gao, Feng; Liu, Yanfei; Wu, Bin

doi:10.1109/tpel.2004.836675

Cited by 202 publications

(74 citation statements)

References 12 publications

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“…(25). The calculated peak value of the inductor current can be considered as the initial value of Equ.…”

Section: B Proposed Digital Controlled Bcm Pfc Convertermentioning

confidence: 99%

“…The calculated peak value of the inductor current can be considered as the initial value of Equ. (25) in operating state II. The peak value is substituted into Equ.…”

Section: B Proposed Digital Controlled Bcm Pfc Convertermentioning

confidence: 99%

“…First, the predictive duty ratio or switching cycle is determined by the sampled values of the inductor current, input voltage and output voltage in the present switching cycle. Therefore, if a disturbance or noise causes an error in the present sampled values, this error will affect the predictive calculation in the next switching cycle [22]- [25]. Second, since the predictive calculations are based on the inductance L, inductance variations will also have a negative effect on the prediction.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A Novel Predictive Digital Controlled Sensorless PFC Converter under the Boundary Conduction Mode

Wang¹,

Maruta²,

Matsunaga³

et al. 2017

Journal of Power Electronics

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This paper presents a novel predictive digital control method for boundary conduction mode PFC converters without the need for detecting the inductor current. In the proposed method, the inductor current is predicted by analytical equations instead of being detected by a sensing-resistor. The predicted zero-crossing point of the inductor current is determined by the values of the input voltage, output voltage and predicted inductor current. Importantly, the prediction of zero-crossing point is achieved in just a single switching cycle. Therefore, the errors in predictive calculation caused by parameter variations can be compensated. The prediction of the zero-crossing point with the proposed method has been shown to have good accuracy. The proposed method also shows high stability towards variations in both the inductance and output power. Experimental results demonstrate the effectiveness of the proposed predictive digital control method for PFC converters.

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“…(25). The calculated peak value of the inductor current can be considered as the initial value of Equ.…”

Section: B Proposed Digital Controlled Bcm Pfc Convertermentioning

confidence: 99%

“…The calculated peak value of the inductor current can be considered as the initial value of Equ. (25) in operating state II. The peak value is substituted into Equ.…”

Section: B Proposed Digital Controlled Bcm Pfc Convertermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A Novel Predictive Digital Controlled Sensorless PFC Converter under the Boundary Conduction Mode

Wang¹,

Maruta²,

Matsunaga³

et al. 2017

Journal of Power Electronics

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show abstract

“…[1,2,3] have been considered in application of digital control for robustness. However, it is difficult to retain sufficient robustness and high power factor of the PFC converters by these techniques.…”

Section: Introductionmentioning

confidence: 99%

Approximate 2-degree-of-freedom digital control for a PFC boost converter

Ohta

Higuchi

2013

IEICE Electron. Express

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A PFC boost converter is a non-linear system whose small perturbation model is changed at each operating point depending on a duty ratio. The robust controller for the PFC boost converter is needed to suppress the output voltage change at load sudden change while attaining high power factor and low harmonic. In this paper, the combining method and design methods of two approximate 2-degree-offreedom (A2DOF) controllers which simplify the overall controller and attain good robustness are proposed. The proposed controller is actually implemented on a Micro-processor and is connected to the PFC boost converter. Experimental studies demonstrate that the proposed robust controller is effective to suppress the output voltage change to improve power factor and to decrease harmonic.

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“…To remain competitive, the industry has to develop sophisticated control systems which are often composed of standard processors (µP, µC, DSP) [1,2] and specific hardware components (ASSP, FPGA, ASIC) [3][4][5][6] . Design of these systems represents a difficult and studious task.…”

Section: Introductionmentioning

confidence: 99%

Codesign Methodology of Real-time Embedded Controllers for Electromechanical Systems

Saoud¹,

Gerstlauer²,

Gajski³

2005

American J. of Applied Sciences

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Under increasing time-to-market pressures in the electric drives industries, the development time of new algorithms and new control systems including their debugging time must be minimized. This requirement can be satisfied only by using a well-defined system-level design methodology and by reducing the migration time between the algorithm development language and the hardware specification language. In this study, we propose to apply the SpecC methodology to the design of control systems for power electronics and electric drives. We first begin with an executable specification model of the control device. Then, we describe the different steps and transformations used to convert this model to a communication model and finally into an implementation model ready for manufacturing.

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A Digital Power Factor Correction (PFC) Control Strategy Optimized for DSP

Cited by 202 publications

References 12 publications

A Novel Predictive Digital Controlled Sensorless PFC Converter under the Boundary Conduction Mode

A Novel Predictive Digital Controlled Sensorless PFC Converter under the Boundary Conduction Mode

Approximate 2-degree-of-freedom digital control for a PFC boost converter

Codesign Methodology of Real-time Embedded Controllers for Electromechanical Systems

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