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Robust Adaptive Control of Dual Active Bridge DC-DC Converter with Constant Power Loading

Emmanuel K. Effah

Emmanuel K. Effah

  • Ghana Communication Technology UniversityAccra, Ghana
  • Kwame Nkrumah University of Science and TechnologyKumasi, Ghana
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Effah, Emmanuel K.
, 
Francis B. Effah

Francis B. Effah

Kwame Nkrumah University of Science and TechnologyKumasi, Ghana
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Effah, Francis B.
, 
Philip Y. Okyere

Philip Y. Okyere

Kwame Nkrumah University of Science and TechnologyKumasi, Ghana
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Okyere, Philip Y.
 und 
Emmanuel K. Anto

Emmanuel K. Anto

Kwame Nkrumah University of Science and TechnologyKumasi, Ghana
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Anto, Emmanuel K.
  
05. Feb. 2025
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Artikel-Kategorie: Research paper
Online veröffentlicht: 05. Feb. 2025
Seitenbereich: 60 - 73
Eingereicht: 06. Nov. 2024
Akzeptiert: 15. Jan. 2025
DOI: https://doi.org/10.2478/pead-2025-0004
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© 2025 Emmanuel K. Effah et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

Topology of DAB connected with CPL.
Topology of DAB connected with CPL.

Figure 2.

SPS modulation and associated current and voltage.
SPS modulation and associated current and voltage.

Figure 3.

Input and output current waveforms.
Input and output current waveforms.

Figure 4.

Reduced order model of the DAB.
Reduced order model of the DAB.

Figure 5.

General structure of MRAC control system.
General structure of MRAC control system.

Figure 6.

Parameter drift for θ^1* \hat \theta_1^* under standard MRAC and two other Robust MRAC.
Parameter drift for θ^1* \hat \theta_1^* under standard MRAC and two other Robust MRAC.

Figure 7.

Parameter drift for θ^2* \hat \theta_2^* under standard MRAC and two other Robust MRAC.
Parameter drift for θ^2* \hat \theta_2^* under standard MRAC and two other Robust MRAC.

Figure 8.

Parameter drift for θ^2* \hat \theta_2^* of traditional Dead Zone based MRAC and other modified Dead Zone based MRAC.
Parameter drift for θ^2* \hat \theta_2^* of traditional Dead Zone based MRAC and other modified Dead Zone based MRAC.

Figure 9.

Parameter drift for θ^1* \hat \theta_1^* of traditional Dead Zone based MRAC and other modified Dead Zone based MRAC.
Parameter drift for θ^1* \hat \theta_1^* of traditional Dead Zone based MRAC and other modified Dead Zone based MRAC.

Figure 10.

Enlarged version of portion of Figure 9.
Enlarged version of portion of Figure 9.

Figure 11.

Output voltage of DAB as dead zone based MRAC design is varied.
Output voltage of DAB as dead zone based MRAC design is varied.

Figure 12.

Enlarged portion of figure 11.
Enlarged portion of figure 11.

Figure 13.

Impact of adaptive gains on the modified Dead Zone Based MRAC.
Impact of adaptive gains on the modified Dead Zone Based MRAC.

Figure 14.

Enlargement of portion of Figure 13.
Enlargement of portion of Figure 13.

Figure 15.

Impact of am on the modified Dead Zone based MRAC.
Impact of am on the modified Dead Zone based MRAC.

Parameters used in simulation

Symbol Parameter Units Values
fs Switching frequency kHz 20
L Inductance μH 70
N Transformer turns ratio 2:1
C2 DC capacitor at the output mF 1
RL Load resistor Ω 4
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