Analysis and Design of Average Current Mode Control Using a Describing-Function-Based Equivalent Circuit Model

Yingyi,; Fred, C; Paolo,

doi:10.1109/tpel.2012.2235085

Cited by 45 publications

(6 citation statements)

References 15 publications

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“…Average current mode (ACM) control (Yan et al, 2013;Abd El-Moniem et al, 2013;Azazi et al, 2014) with fixed band or sinusoidal band hysteresis (SBH) is used for PFC. SBH could be better option than a fixed band as it improves THD.…”

Section: Introductionmentioning

confidence: 99%

Fixed frequency control with modified PSO-PIλDμ controller for power factor correction and fast regulation

Thirumavalavan¹,

Babu²

2022

IJESMS

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A new type of converters, namely, Luo converters, has become popular in the power electronics field in recent years. An AC-DC converter which needs power factor correction (PFC) at the fore side requires dc-dc topology between load and bridge rectifier. In the proposed work, positive output super lift elementary type Luo converter is used as a PFC topology between uncontrolled rectifier and load. Power quality indices will vary when an AC-DC converter exposed to load and line deviations. Fixed frequency control (two sensors only required) along with modified-particle swarm optimisation (PSO) tuned fractional order proportional integral derivative (FOPID) controller is proposed. This scheme enhances the power quality, as well as this combination makes an AC-DC converter settle fast for load and line transitions. MATLAB/Simulink environment is used to carry out extensive simulation.

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Section: Introductionmentioning

confidence: 99%

Fixed frequency control with modified PSO-PIλDμ controller for power factor correction and fast regulation

Thirumavalavan¹,

Babu²

2022

IJESMS

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“…With current mode control, the voltage error signal provides a current reference, which is compared to the inductor current in order to obtain the control signal. A dual loop control is therefore performed, which allows for faster transient response and (limited) over-current protection [3]. Current mode control of course requires measurements of the inductor current, which can be basically performed through shunt resistors, mirroring circuits, or Hall effect sensors [4,5].…”

Section: Introductionmentioning

confidence: 99%

Online Estimation of the Current Ripple on a Saturating Ferrite-Core Inductor in a Boost Converter

Lodi

Oliveri

2020

Sensors

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In this paper, a nonlinear observer is proposed for the estimation of the current ripple in a ferrite-core inductor working in partial saturation, mounted on a boost converter. The estimator is based on a recently proposed nonlinear inductance model, which expresses the inductance as a function of the inductor current, taking into account also the non-negligible effects of the core temperature. The proposed observer is implemented on a low-cost microcontroller and tested, both offline and online, on a real boost converter with different operating conditions. The offline tests show a satisfactory estimation accuracy both during the electrical (fast) and thermal (slow) transients. Due to the high microcontroller latency, some delays and inaccuracies occur during electrical transients in the online tests. This work suggests that, in order to exploit the observer for control purposes, the target architecture should be a high-performance microcontroller, a system-on-chip, or a field programmable gate array, where parallelism can be exploited to speed-up the computations. The proposed implementation can be instead suitable for switch-mode power supply (SMPS) monitoring purposes.

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“…Current mode control methods can be divided into fixed-frequency and variable-frequency methods. Among fixed-frequency methods, the most frequently used are the following: peak CMC (PCMC) [2][3][4][5][6][7], valley CMC (VCMC) [2,8], average CMC (ACMC) [9][10][11][12], and charge control [13,14].…”

Section: Introductionmentioning

confidence: 99%

A modified dual current mode control method with an adaptive current bandwidth

Lale

Šoja

Lubura

2015

Circuit Theory & Apps

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SUMMARYIn this paper, a new adaptive dual current mode control method (ADCMC) is presented, being a result of the modification of existing dual current mode control (DCMC) by introducing an adaptive current bandwidth. The ADCMC offers several important advantages over DCMC, such as no peak-to-average error in the inductor current, better transient response of current loop, and improved line regulation. A detailed analysis of the proposed ADCMC is performed for three types of DC-DC power electronics converters: buck, boost, and non-inverting buck-boost converter. The performances of the ADCMC are tested with simulations and experiments. The obtained results confirm the analysis and validity of the proposed ADCMC method.

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Analysis and Design of Average Current Mode Control Using a Describing-Function-Based Equivalent Circuit Model

Cited by 45 publications

References 15 publications

Fixed frequency control with modified PSO-PI<SUP align="right"><i>λ</i></SUP>D<SUP align="right"><i>μ</i></SUP> controller for power factor correction and fast regulation

Fixed frequency control with modified PSO-PI<SUP align="right"><i>λ</i></SUP>D<SUP align="right"><i>μ</i></SUP> controller for power factor correction and fast regulation

Online Estimation of the Current Ripple on a Saturating Ferrite-Core Inductor in a Boost Converter

A modified dual current mode control method with an adaptive current bandwidth

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