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Short-Horizon Finite-State Voltage Control of Bidirectional DC–DC Converter with Non-Minimum Phase Dynamics Cover

Short-Horizon Finite-State Voltage Control of Bidirectional DC–DC Converter with Non-Minimum Phase Dynamics

Power Electronics and Drives
Volume 11 (2026): Issue 1 (January 2026)
By:  and    
Open Access
|Jun 2026
Figures & tables

Figures & Tables

Figure 1.

Bidirectional converter schematic.

Figure 2.

FS-MPC block diagram with prediction of both inductor current and output voltage (Tatari et al., 2025). FS-MPC, finite-set model predictive control (LPF stands for low pass filter).

Figure 3.

FS-MPC block diagram with inductor-current prediction and measured output voltage. FS-MPC, finite-set model predictive control.

Figure 4.

FS-MPC results with predicted and measured output voltage in the cost function: (a) output voltage, and (b) inductor current. FS-MPC, finite-set model predictive control.

Figure 5.

CMP-BB strategy block diagram with inductor-current compensation and measured output voltage. CMP-BB, compensated-BB.

Figure 6.

CMP-BB control results: (a) output voltage, (b) inductor current, and (c) load current. CMP-BB, compensated-BB.

Figure 7.

DSF-BB strategy block diagram with measured inductor-current and output voltage. DSF-BB, doubled sampling frequency.

Figure 8.

DSF-BB results: (a) output voltage, (b) inductor current and (c) load current. DSF-BB, doubled sampling frequency.

Figure 9.

MF-BB strategy block diagram with measured inductor-current and output voltage. MF-BB, model-free bang-bang.

Figure 10.

Model-free BB control results: (a) output voltage, and (b) inductor current. MF-BB, model-free bang-bang.

Figure 11.

The comparison results for the three previous control methods and the proposed MF-BB considering: (a) output voltage, and (b) inductor current. MF-BB, model-free bang-bang.

Figure 12.

MF-BB control performance under low-inertia operation (C=200 μF): (a) output voltage, and (b) inductor current. MF-BB, model-free bang-bang.

Figure 13.

The comparison results for the three previous control methods and the proposed MF-BB under low-inertia operation (C=200 μF): (a) output voltage, and (b) inductor current. CMP-BB, compensated-BB; DSF-BB, doubled sampling frequency; FS-MPC, finite-set model predictive control; MF-BB, model-free bang-bang.

Figure 14.

Steady-state output-voltage waveforms of the bidirectional converter under a 100 Ω resistive load for different reference voltages: (a) 150V, (b) 200V, and (c) 240V.

Figure 15.

Dynamic response of the bidirectional converter using the proposed control strategy under reference voltage transitions with a 100 Ω resistive load: (a) step-up from 160V to 240V, and (b) step-down from 240V to 160V.

Figure 16.

Dynamic response of the bidirectional converter using the proposed control strategy under load variations at a reference voltage of 200V: (a) load change from 100 Ω to 50 Ω, and (b) load change from 50 Ω to 100 Ω

System parameters_

ParametersSymbolsValues
Input voltageus100V
Output desired voltageuref160–240V
Maximum and minimum inductor current values iLmax i_L^{max} , iLmin i_L^{min} ±20 A
Resistive load changesR50 Ω–1 kΩ
Input inductanceL750 µH
Output capacitanceC200–1500 µF
Sampling timeTs20 µs
Weighting factorωi1.0–0.2
DOI: https://doi.org/10.2478/pead-2026-0015 | Journal eISSN: 2543-4292 | Journal ISSN: 2451-0262
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Language: English
Page range: 230 - 247
Submitted on: Feb 4, 2026
Accepted on: Apr 14, 2026
Published on: Jun 12, 2026
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Keywords:
bang-bang control,
bidirectional DC–DC converter,
finite-set model predictive control,
finite-state control,
non-minimum phase dynamics
Related subjects:
Computer sciences,
Artificial intelligence,
Engineering,
Electrical engineering,
Electronics

© 2026 Fatemeh Rezayof Tatari, Grzegorz Iwanski, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 11 (2026): Issue 1 (January 2026)
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