A filter-based controller for a buck converter

Mohebbi, Mohammad; McIntyre, Michael L.; Latham, Joseph; Rivera, Pablo R.

doi:10.1109/compel.2017.8013346

Cited by 2 publications

(3 citation statements)

References 11 publications

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“…A buck converter with an output LC filter as shown in Fig. 1 is used for DC–DC power conversion [32]. Applying the state averaging method and PWM switching schemes, the average model for a buck converter can be written as [33]

L {\dot{I}}_{L} = V_{in} ()(, U + d_{o}) - R I_{L} - V_{o}

C {\dot{V}}_{o} = I_{L} - I_{o}

where

L, C, R

are the inductance, capacitance and series resistance of the inductance, respectively.…”

Section: System Modelmentioning

confidence: 99%

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Filter‐based control of a buck converter for uncertain non‐linear loads

Bhagwat

Alqatamin

Hawkins

et al. 2020

IET power electron.

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In this study, a filter‐based control scheme is proposed for dc–dc buck‐type converters. Primarily, this control scheme reduces costs by requiring only a single output voltage measurement, removing the need for potentially noisy current measurements. The proposed controller is compared with a Type III error amplifier, which is a linear controller commonly used for buck‐type converters. The performance of these controllers is compared when applied to linear and non‐linear loads. A Lyapunov stability analysis is utilised to demonstrate the system stability of the proposed control scheme. Experimental results demonstrate excellent voltage regulation and insensitivity to the load variations for the proposed controller as compared to Type III controller.

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L {\dot{I}}_{L} = V_{in} ()(, U + d_{o}) - R I_{L} - V_{o}

C {\dot{V}}_{o} = I_{L} - I_{o}

where

L, C, R

are the inductance, capacitance and series resistance of the inductance, respectively.…”

Section: System Modelmentioning

confidence: 99%

“…This paper is developed and evolved from the conference paper by Mohebbi et al . [32] into a journal which has more developed research and conclusions. This paper is organised as follows.…”

Section: Introductionmentioning

confidence: 99%

Filter‐based control of a buck converter for uncertain non‐linear loads

Bhagwat

Alqatamin

Hawkins

et al. 2020

IET power electron.

Self Cite

View full text Add to dashboard Cite

show abstract

“…This approach relies only on a single output voltage measurement to reduce the system cost as well as measurement noise and disturbance injected by output current and/or inductor current measurements [67]. Although a single output voltage measurement is sufficient for the control of the power converter, to the best knowledge of the authors, the majority of the existing control approaches also require an inductor current measurement.…”

Section: Interfacesmentioning

confidence: 99%

Control of power electronic interfaces in distributed generation.

Mohebbi¹

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A filter-based controller for a buck converter

Cited by 2 publications

References 11 publications

Filter‐based control of a buck converter for uncertain non‐linear loads

Filter‐based control of a buck converter for uncertain non‐linear loads

Control of power electronic interfaces in distributed generation.

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