Delay Compensation in Model Predictive Current Control of a Three-Phase Inverter

Cortés, Patricio; Rodríguez, José; Silva, César; Flores, Alejandro Gabriel Emiliano

doi:10.1109/tie.2011.2157284

Cited by 983 publications

(413 citation statements)

References 21 publications

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“…The above future reference current needed for the cost function is acquired in the Lagrange extrapolation, with the past and present reference values, by [25] …”

Section: Conventional Predictive Current Control Methods For Single-phmentioning

confidence: 99%

Model-Based Predictive Current Control Method with Constant Switching Frequency for Single-Phase Voltage Source Inverters

Roh

Kwak

2017

Energies

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Voltage source inverters operated by predictive control methods generally lead to a variable switching frequency, because predictive control methods generate switching operation based on an optimal voltage state selected at every sampling period. Varying switching frequencies make it difficult to design output filters of voltage source inverters. This paper proposes a predictive control algorithm with a constant switching frequency for the load current control of single-phase voltage source inverters. This method selects two future optimal voltage states used in the subsequent sampling period, which are a zero-voltage state and a future optimal voltage state, based on the slope of the reference current at each sampling period. After selecting the two future voltages, the proposed method distributes them to produce a constant switching frequency and symmetric switching pattern. The performance of the proposed method is validated with both simulation and experimental results for single-phase voltage source inverters.

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“…The above future reference current needed for the cost function is acquired in the Lagrange extrapolation, with the past and present reference values, by [25] …”

Section: Conventional Predictive Current Control Methods For Single-phmentioning

confidence: 99%

Model-Based Predictive Current Control Method with Constant Switching Frequency for Single-Phase Voltage Source Inverters

Roh

Kwak

2017

Energies

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“…As discussed in [13], it is convenient to perform the prediction two time steps ahead to reduce the effects of the delay introduced by the implementation of FCS-MPC in a digital platform. Another possibility to avoid the effect of the computation delay is to use a control strategy that only requires a small computation time.…”

Section: Fcs-mpc Control Principlementioning

confidence: 99%

Model Predictive Control: A Review of Its Applications in Power Electronics

Vázquez

Leon

Franquelo

et al. 2014

EEE Ind. Electron. Mag.

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996

374

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“…However, to compensate for the delay between command generation and its effective realization, [24] suggests two-step-ahead prediction of the states. In our case, one state is the stator flux (λ) which is given by the flux-observer that already serves as a one-stepahead predictor because the flux-observer's inputs are the voltage commands applied at previous switching and sampling instant, if switching is synchronized with sampling.…”

Section: Model Predictive Control Formulationmentioning

confidence: 99%

“…Thus, (9) is shifted one step forward in time. We use two-step-ahead prediction of [24] only for the current (i sq ) state variable, using (11). …”

Section: Model Predictive Control Formulationmentioning

confidence: 99%

Finite control set and modulated model predictive flux and current control for induction motor drives

Odhano

Formentini

Zanchetta

et al. 2016

IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society

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-The paper presents a new implementation of direct flux and current vector control of an induction motor drive using the techniques of model predictive control. The advantages offered by predictive control are used to enhance the dynamics of direct flux vector control. To minimize the problems of variable switching frequency inherent to finite control set predictive control, an alternative approach using pulse width modulation is studied for command execution as occurs in the so-called modulated model predictive control. A comparison between finite control set and modulated model predictive control is presented and the results are also compared with the control implementation through traditional proportional-integral regulators to highlight the advantages and drawbacks of predictive control based strategies. Apart from a greater harmonic content in stator currents, the predictive control can offers control dynamics comparable with proportional-integral control while maintaining immunity against machine parameter variations and excluding the need for controller tuning.

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Delay Compensation in Model Predictive Current Control of a Three-Phase Inverter

Cited by 983 publications

References 21 publications

Model-Based Predictive Current Control Method with Constant Switching Frequency for Single-Phase Voltage Source Inverters

Model-Based Predictive Current Control Method with Constant Switching Frequency for Single-Phase Voltage Source Inverters

Model Predictive Control: A Review of Its Applications in Power Electronics

Finite control set and modulated model predictive flux and current control for induction motor drives

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