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Articles de revues sur le sujet « Robustesse en mode DC »

Auteur : Grafiati
Publié le 1 mars 2025

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1

Benabderrahman, Hossam Eddine, Rachid Taleb, M'hamed Helaimi et Fayçal Chabni. « Commande par mode glissant d’ordre deux d’un moteur asynchrone lié à un convertisseur multi-niveau asymétrique ». Journal of Renewable Energies 21, no 2 (30 juin 2018) : 267–78. http://dx.doi.org/10.54966/jreen.v21i2.687.

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Afin de pouvoir améliorer le rendement délivré à la charge, autrement dit la qualité de la tension de sortie des moyennes qui ont été utilisées parmi ces derniers: l'utilisation d'un onduleur multi-niveau au lieu de l'onduleur à deux niveaux, une seconde solution basée sur le choix de commande d'un moteur. Dans notre article, on a choisi la technique de commande par mode glissant d'ordre supérieure, cette commande conserve les mêmes performances de robustesse et de stabilité données par le mode glissant classique tout en réduisant le broutement.
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Xu Hong-Mei, Jin Yong-Gao et Guo Shu-Xu. « Entropy in voltage mode controlled discontinuous conducting mode DC-DC converters ». Acta Physica Sinica 62, no 24 (2013) : 248401. http://dx.doi.org/10.7498/aps.62.248401.

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Utkin, Vadim. « Sliding mode control of DC/DC converters ». Journal of the Franklin Institute 350, no 8 (octobre 2013) : 2146–65. http://dx.doi.org/10.1016/j.jfranklin.2013.02.026.

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Lo, Y. K., J. M. Wang, H. J. Chiu et C. H. Chang. « Dual-mode-control multiphase DC∕DC converter ». IET Electric Power Applications 1, no 2 (2007) : 229. http://dx.doi.org/10.1049/iet-epa:20060158.

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Guldemir, Hanifi. « Sliding Mode Control of Dc-Dc Boost Converter ». Journal of Applied Sciences 5, no 3 (15 février 2005) : 588–92. http://dx.doi.org/10.3923/jas.2005.588.592.

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Drakunov, Sergey V., Mahmut Reyhanoglu et Brij Singh. « Sliding Mode Control of DC-DC Power Converters ». IFAC Proceedings Volumes 42, no 19 (2009) : 237–42. http://dx.doi.org/10.3182/20090921-3-tr-3005.00043.

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Martinez-Salamero, L., A. Cid-Pastor, A. El Aroudi, R. Giral, J. Calvente et G. Ruiz-Magaz. « Sliding-Mode Control of DC-DC Switching Converters ». IFAC Proceedings Volumes 44, no 1 (janvier 2011) : 1910–16. http://dx.doi.org/10.3182/20110828-6-it-1002.00557.

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Trescases, Olivier, Aleksandar Prodic et Wai Tung Ng. « Digitally Controlled Current-Mode DC–DC Converter IC ». IEEE Transactions on Circuits and Systems I : Regular Papers 58, no 1 (janvier 2011) : 219–31. http://dx.doi.org/10.1109/tcsi.2010.2071490.

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Leyva-Ramos, J., et J. A. Morales-Saldana. « Uncertainty models for switch-mode DC-DC converters ». IEEE Transactions on Circuits and Systems I : Fundamental Theory and Applications 47, no 2 (2000) : 200–203. http://dx.doi.org/10.1109/81.828573.

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Morales-Saldana, J. A., E. E. C. Guti et J. Leyva-Ramos. « Modeling of switch-mode dc-dc cascade converters ». IEEE Transactions on Aerospace and Electronic Systems 38, no 1 (janvier 2002) : 295–99. http://dx.doi.org/10.1109/7.993249.

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Zhang, Zhang, Xing Wang, Wencheng Yu, Ye Tan, Yizhong Yang et Guangjun Xie. « 50 MHz dual-mode buck DC—DC converter ». Journal of Semiconductors 37, no 8 (août 2016) : 085002. http://dx.doi.org/10.1088/1674-4926/37/8/085002.

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Keramida, Evi, George Souliotis, Spyridon Vlassis et Fotis Plessas. « Buck-Boost Charge Pump Based DC-DC Converter ». Journal of Low Power Electronics and Applications 13, no 2 (21 avril 2023) : 27. http://dx.doi.org/10.3390/jlpea13020027.

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This paper presents a novel inductorless dual-mode buck-boost charge pump (CP) based DC-DC converter. The proposed architecture allows the same circuit to accomplish two modes of operation, buck and boost, for degrading or elevating the output voltage, respectively, compared to the input. To achieve each mode, only a switching of the input–output connections is needed without any other modification in the design of the DC-DC converter. The dual-mode configuration aims to merge two different functions into one circuit, minimizing the design time and the area the DC-DC converter occupies on the die. The proposed buck-boost CP has been designed using TSMC 65 nm complementary metal–oxide–semiconductor (CMOS) technology. The functional input voltage range of the CP in boost mode is 1.2 V to 1.8 V and the typical output voltage is 1.8 V. For the buck mode, the input voltage range is 3.2 V to 3.6 V and the output is 1.5 V. For both modes, the output can be easily modified to new values by changing the comparator configuration. Efficiency results are also provided for the two modes.
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Bensaada, M., S. Della Krachai et F. Metehri. « Proposed Fuzzy Logic Controller for Buck DC-DC Converter ». International Journal of Fuzzy Systems and Advanced Applications 7 (5 février 2021) : 24–28. http://dx.doi.org/10.46300/91017.2020.7.5.

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This paper provides the design for buck DC-DC converter system using fuzzy logic as well as sliding mode method. Design of fuzzy logic controller will be based on improvement of imperfection of the sliding mode controller, in particular the robustness and response time of the system. The simulation results of both systems using fuzzy logic and sliding mode are shown as well as compared to signify better of the two.
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Yoon, Kwang-Sub, et Jong-Whan Lee. « A CMOS Dual-mode DC-DC Converter with a Digital Dual-mode Controller ». JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE 22, no 6 (31 décembre 2022) : 426–35. http://dx.doi.org/10.5573/jsts.2022.22.6.426.

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Xiong, Yuan Sheng, et Shang Xing Ma. « Control of Bidirectional AC-DC Converters for DC Microgrid Application ». Applied Mechanics and Materials 536-537 (avril 2014) : 1219–22. http://dx.doi.org/10.4028/www.scientific.net/amm.536-537.1219.

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Three-phase bidirectional AC/DC converter acts as a key part in DC microgrid. To improve the stability of DC bus voltage for the grid-connected mode in DC microgrid, a sliding mode or PI controller based on SVPWM modulator is designed for the bidirectional AC/DC converter in inverter mode. When the error between grid-connected current reference value and actual value is larger than the threshold value, the sliding mode controller is used. Otherwise, the PI controller is adopted. The great grid-connected current reference value fluctuation is simulated in PSIM software when the DC microgrid operates in the grid-connected inverter mode. The simulation results show that the gird-connected current actual value can fast track with the reference value. Then the dynamic response performance of DC bus voltage is improved.
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Rahayu, Nancy, Irianto Irianto et Eka Prasetyono. « Desain dan Implementasi Bidirectional DC-DC Converter Untuk Penerangan Darurat ». Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) 7, no 2 (31 octobre 2020) : 108–16. http://dx.doi.org/10.33019/jurnalecotipe.v7i2.1883.

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Sistem penerangan merupakan salah satu pemakaian energi listrik yang besar. Saat ini sistem penerangan terutama penerangan darurat sangat dibutuhkan untuk mengatasi kondisi tiba-tiba padam pada malam hari. Penerangan darurat tersebut mendapatkan sumber energi listrik dari baterai dan baterai mendapatkan sumber energi listrik dari PLN. Untuk mengatur sumber energi listrik tersebut maka digunakan suatu konverter DC-DC dengan metode bidirectional. Bidirectional converter merupakan 1 konverter yang mempunyai 2 fungsi yaitu mode buck dan mode boost yang bekerja ketika sumber utama dari PLN padam maka secara otomatis sistem penerangan akan di suplai oleh baterai sebagai sumber cadangan. Mode buck dalam proses charging digunakan untuk menyimpan energi listrik ke dalam baterai dengan kapasitas baterai sebesar 12V 30Ah . Sedangkan mode boost dalam proses discharging digunakan untuk menyalurkan energi listrik dari baterai ke beban dengan beban lampu sebesar 10W. Proses charging dan discharging dikontrol menggunakan kontrol proportional integral metode analitik. Proses charging pada mode buck dengan nilai Kp sebesar 8,62 dan Ki sebesar 17240 didapatkan nilai tegangan keluaran sebesar 13,99V. Sedangkan proses discharging pada mode boost dengan nilai Kp sebesar 2,44 dan Ki sebesar 344,63 didapatkan nilai tegangan keluaran sebesar 23,99V.
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17

Duranay, Z. B., H. Guldemir et S. Tuncer. « Fuzzy Sliding Mode Control of DC-DC Boost Converter ». Engineering, Technology & ; Applied Science Research 8, no 3 (19 juin 2018) : 3054–59. http://dx.doi.org/10.48084/etasr.2116.

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A sliding mode fuzzy control method which combines sliding mode and fuzzy logic control for DC-DC boost converter is designed to achieve robustness and better performance. A fuzzy sliding mode controller in which sliding surface whose reference is obtained from the output of the outer voltage loop is used to control the inductor current. A linear PI controller is used for the outer voltage loop. The control system is simulated using Matlab/Simulink. The simulation results are presented for input voltage and load variations. Simulated results are given to show the effectiveness of the control system.
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18

Li, Wen Yuan, et Jun Zhang. « PWM/PFM Dual-Mode Synchronous Boost DC-DC Regulator ». Applied Mechanics and Materials 380-384 (août 2013) : 3209–12. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.3209.

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a novel peak current PWM/PFM dual-mode boost dc-dc regulator applying for neural signal regeneration is proposed in this paper. The converter can adaptively switch between pulse-width modulation (PWM) and pulse-frequency modulation (PFM) both with relatively high conversion efficiency. Soft-start circuit is designed to eliminate the surge current at the start up stage of the regulator, other protection modules are also contained. The paper analyzes the model and stability of the system. The operation frequency of the regulator is 1MHz. The simulation results show the efficiency of the system is relatively high in PWM mode, up to 95%, in PFM mode it also has good efficiency.
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19

Djeriri, Youcef, et Zinelaabidine Boudjema. « Commande robuste par la logique floue et les réseaux de neurones artificiels de la GADA : étude comparative ». Journal of Renewable Energies 20, no 1 (12 octobre 2023) : 147–60. http://dx.doi.org/10.54966/jreen.v20i1.616.

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Cet article présente la commande de la machine asynchrone à double alimentation en mode génératrice (GADA) par des techniques de l'Intelligence Artificielle (IA), utilisée dans un système de conversion d'énergie éolienne à vitesse variable. Donc dans ce travail, on s’intéresse particulièrement à l’application de la commande vectorielle indirecte par orientation du flux statorique à la GADA, basée sur les régulateurs de l'intelligence artificielle, tels que la logique floue et les réseaux de neurones. Ces derniers surpassent les limites des techniques classiques et possèdent des caractéristiques essentielles pour l'amélioration de la robustesse de la commande vectorielle. Des résultats de simulation sous Matlab/Simulink sontdonnés afin de comparer les performances des deux régulateurs dans le contrôle de la GADA.
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20

Ferdowsi, M., et A. Emadi. « Estimative Current Mode Control Technique for DC–DC Converters Operating in Discontinuous Conduction Mode ». IEEE Power Electronics Letters 2, no 1 (mars 2004) : 20–23. http://dx.doi.org/10.1109/lpel.2004.830245.

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Zhang, Chun-hong, Hai-gang Yang, Shi Richard, Yuan-feng Wei, Le Yu, Zhu-jia Chen et Xiao-gang Qu. « Dynamic Width Controller for Switch Mode DC-DC Converter ». Journal of Electronics & ; Information Technology 35, no 12 (23 février 2014) : 3018–23. http://dx.doi.org/10.3724/sp.j.1146.2013.00293.

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Sivasubramanian, Priyadharshini T., Sudip K. Mazumder, Harshit Soni, Ankit Gupta et Nikhil Kumar. « A DC/DC Modular Current-Source Differential-Mode Inverter ». IEEE Journal of Emerging and Selected Topics in Power Electronics 4, no 2 (juin 2016) : 489–503. http://dx.doi.org/10.1109/jestpe.2015.2506584.

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Komurcugil, Hasan, Samet Biricik et Naki Guler. « Indirect Sliding Mode Control for DC–DC SEPIC Converters ». IEEE Transactions on Industrial Informatics 16, no 6 (juin 2020) : 4099–108. http://dx.doi.org/10.1109/tii.2019.2960067.

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Jozwik, J. J., et M. K. Kazimierczuk. « Dual sepic PWM switching-mode DC/DC power converter ». IEEE Transactions on Industrial Electronics 36, no 1 (1989) : 64–70. http://dx.doi.org/10.1109/41.20346.

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ALFAYYOUMI, M., A. H. NAYFEH et D. BOROJEVIC. « MODELING AND ANALYSIS OF SWITCHING-MODE DC–DC REGULATORS ». International Journal of Bifurcation and Chaos 10, no 02 (février 2000) : 373–90. http://dx.doi.org/10.1142/s0218127400000244.

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The nonlinear dynamics of PWM DC–DC switching regulators operating in the continuous conduction mode are investigated. A quick review of the existing analysis techniques and their limitations are first presented. A discrete nonlinear time-domain model is then derived for open-loop DC–DC converters. This model is then extended for closed-loop regulator systems implementing any type of compensation scheme. The equilibrium solutions of the closed-loop system are then identified. The eigenvalues of the Jacobian matrix evaluated at the equilibrium solution are used to assess its stability. The methods developed are used to study the dynamic behavior of a DC–DC buck regulator implementing different types of compensation design: proportional, integral, proportional–integral, and proportional–integral–derivative type feedback control. A detailed bifurcation analysis of the dynamic solutions as a design or a control parameter is changed is presented. A period-doubling route to chaos is shown to exist in voltage-mode regulators, depending on the values of the parameters of the compensator and the input voltage. A further investigation of the behavior of the converter in the instability regions was carried out to improve the understanding of this interesting behavior.
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Yazici, İrfan. « Robust voltage‐mode controller for DC–DC boost converter ». IET Power Electronics 8, no 3 (mars 2015) : 342–49. http://dx.doi.org/10.1049/iet-pel.2014.0279.

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Shen, Liqun, Dylan Dah‐Chuan Lu et Chengwei Li. « Adaptive sliding mode control method for DC–DC converters ». IET Power Electronics 8, no 9 (septembre 2015) : 1723–32. http://dx.doi.org/10.1049/iet-pel.2014.0979.

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Ugur, Abdulkerim, et Murat Yilmaz. « Digital hybrid current mode control for DC–DC converters ». IET Power Electronics 12, no 4 (avril 2019) : 891–98. http://dx.doi.org/10.1049/iet-pel.2018.6035.

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WU, TZONG S., IQBAL HUSAIN et MEHRDAD EHSANI. « Switched-mode converters for high-power DC-DC applications ». International Journal of Electronics 77, no 5 (novembre 1994) : 583–99. http://dx.doi.org/10.1080/00207219408926088.

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Deane, J. H. B., et D. C. Hamill. « Chaotic behaviour in current-mode controlled DC–DC convertor ». Electronics Letters 27, no 13 (1991) : 1172. http://dx.doi.org/10.1049/el:19910731.

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Jacinto, Bruno, Carlos Moreira et Marcelino Santos. « Digital Sliding Mode Control of DC–DC Buck Converters ». Journal of Low Power Electronics 7, no 2 (1 avril 2011) : 218–33. http://dx.doi.org/10.1166/jolpe.2011.1130.

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Alsmadi, Yazan M., Vadim Utkin, Mohammed A. Haj-ahmed et Longya Xu. « Sliding mode control of power converters : DC/DC converters ». International Journal of Control 91, no 11 (5 avril 2017) : 2472–93. http://dx.doi.org/10.1080/00207179.2017.1306112.

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Yoppy, Yoppy, Dwi Mandaris, Aditia Nur Bakti, Hutomo Wahyu Nugroho, Yudhistira Yudhistira et Deny Hamdani. « Estimating the Differential Mode Noise of a DC-DC Converter ». Jurnal Elektronika dan Telekomunikasi 23, no 2 (31 décembre 2023) : 85. http://dx.doi.org/10.55981/jet.558.

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Electromagnetic noise emission is inevitable in a DC-DC converter due to the employed switching technique. In low frequency, the noise propagating through cabling and conductive media is called a conducted emission. A conducted emission consists of differential mode and common mode noise. It is advantageous to know an estimate of emission level for each mode during the design phase so that suitable mitigation can be included earlier.. This paper aims to focus on a method to estimate the differential mode noise emission of a DC-DC converter. The estimation is computed using the input capacitor complex impedance and the current that flows through it. As a study case, a boost and buck converters are used for evaluation. The estimation and measurement results are compared. Despite differences at some frequencies, the estimated and measured results generally agree well. Because of its simplicity, the proposed method can be used as a practical tool in the EMC aspect of DC-DC converter design.
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Liu, Siyuan, Xiaona Liu, Shaojie Jiang, Zengnan Zhao, Ning Wang, Xiaoyu Liang, Minghui Zhang et Lihua Wang. « Application of an Improved STSMC Method to the Bidirectional DC–DC Converter in Photovoltaic DC Microgrid ». Energies 15, no 5 (22 février 2022) : 1636. http://dx.doi.org/10.3390/en15051636.

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In a photovoltaic DC microgrid, the intermittent power supply of the distributed generation and the fluctuation of the load power will cause the instability of the bus voltage. An improved super-twisting sliding mode control method based on the super-twisting algorithm is proposed to solve this problem. In this paper, a bidirectional half-bridge buck–boost converter was selected as the research topic. The proposed control method replaces the sign function with the saturation function to further mitigate the chattering effect. The stability of the proposed control method was proven to be finite-time convergent using the Lyapunov theory control. Compared with PI control, linear sliding mode control, and terminal sliding mode control, the proposed control method reduces the system overshoot by up to 33% and greatly improves the response speed; compared with the traditional super-twisting sliding mode control method, the system overshoot is reduced by 6.8%, and the response speed is increased by 38%. The experimental results show that the proposed control method can reduce the fluctuation range of the bus voltage, shorten the time of bus voltage stability, effectively stabilize the bus voltage of the photovoltaic DC microgrid, and maintain strong robustness.
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Kaliappan, Kannan. « Harnessing Maximum Power from PV Module using DC-DC Converter ». International Journal for Research in Applied Science and Engineering Technology 9, no VI (25 juin 2021) : 2710–16. http://dx.doi.org/10.22214/ijraset.2021.35513.

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Solar energy is one of the most potent sources of energy. In the wake of depleting fossil fuel energy sources and growing environmental concerns, world is in a relentless drive towards utilizing natural resources like sun efficiently. The aim of the project is to make the solar module work in MPPT mode (Maximum Power Point Tracking) Mode. At this condition, the system is able to extract maximum power from the module without affecting the PV module. MPPT control here is obtained using boost converter. Applying PWM with proper controlling algorithm will vary the duty ratio of the converter such that system will run in MPP mode.
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Shahir, Farzad Mohammadzadeh, Ebrahim Babaei et Murtaza Farsadi. « A New Structure for Nonisolated Boost DC–DC Converter ». Journal of Circuits, Systems and Computers 26, no 01 (4 octobre 2016) : 1750012. http://dx.doi.org/10.1142/s0218126617500128.

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In this paper, a new structure of nonisolated boost DC–DC converters is proposed. The operation of the proposed structure in continuous conduction mode (CCM) and discontinuous conduction mode (DCM) is presented. Then, the critical inductance relation between CCM and DCM is obtained. The voltage gain and current stress of switches are calculated. Finally, the validity of the presented theoretical issues is reconfirmed by using simulation results obtained from PSCAD/EMTDC software.
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Armadilla Sukma Pratiwi, Syechu Dwitya Nugraha et Epyk Sunarno. « Desain dan Simulasi Bidirectional DC-DC Converter untuk Penyimpanan Energi pada Sistem Fotovoltaik ». Jurnal Nasional Teknik Elektro dan Teknologi Informasi 9, no 3 (27 août 2020) : 305–10. http://dx.doi.org/10.22146/.v9i3.377.

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Dalam makalah ini didesain dan disimulasikan bidirectional DC-DC converter untuk penyimpanan energi pada sistem fotovoltaik menggunakan Simulink MATLAB. Bidirectional DC-DC converter dapat bekerja dalam dua mode, yaitu mode pengisian dan mode pengosongan. Sistem penyimpanan energi bekerja untuk menyimpan energi ke dalam baterai ketika kapasitas pembangkitan energi lebih tinggi dari permintaan beban. Selanjutnya, energi yang disimpan dalam baterai akan digunakan untuk suplai bus DC ketika kapasitas pembangkitan energi lebih rendah dari permintaan beban. Untuk memperoleh tegangan konstan di sisi tegangan tinggi (tegangan bus DC) dan arus konstan di sisi tegangan rendah (arus pengisian), digunakan kontrol PI. Pengujian simulasi dilakukan dengan iradiasi 1.000 W/m2 untuk memperoleh kondisi energi pembangkitan lebih tinggi dari permintaan beban (mode pengisian) dan iradiasi 200 W/m2 untuk memperoleh kondisi energi pembangkitan lebih rendah dari permintaan beban (mode pengosongan), dengan temperatur tetap, yaitu 25 °C. Hasil simulasi menunjukkan bahwa bidirectional DC-DC converter dapat bekerja dalam mode pengisian maupun mode pengosongan, yang ditunjukkan dengan arus pengisian baterai dan kenaikan atau penurunan tegangan baterai.
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Yang, Ningning, Chaojun Wu, Rong Jia et Chongxin Liu. « Fractional-Order Terminal Sliding-Mode Control for Buck DC/DC Converter ». Mathematical Problems in Engineering 2016 (2016) : 1–7. http://dx.doi.org/10.1155/2016/6935081.

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In recent years, the combination of fractional calculus (FC) and sliding-mode control (SMC) has been gaining more and more interests due to fusion characteristics of SMC and FC. This paper presents the fractional-order terminal sliding-mode control (FTSMC) which has a new fractional-order sliding surface and assures the finite time convergence of the output voltage error to the equilibrium point during the load changes. TSMC is a special case of FTSMC. Through mathematical analysis, the system can reach the sliding-mode surface in finite time. The theoretical considerations have been verified by numerical simulations. And a Buck DC/DC converter application is presented and compared to illustrate the effectiveness of the proposed method. It is shown that the novel fractional terminal sliding-mode control exhibits considerable improvement in terms of a faster output voltage response during load changes.
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NI, YU, et JIANPING XU. « STUDY OF DISCRETE GLOBAL-SLIDING MODE CONTROL FOR SWITCHING DC-DC CONVERTER ». Journal of Circuits, Systems and Computers 20, no 06 (octobre 2011) : 1197–209. http://dx.doi.org/10.1142/s0218126611007839.

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Discrete global-sliding mode (SM) control of switching DC-DC converters is presented in this paper. The existence and stability conditions of quasi global-sliding mode are proposed. The design method for the discrete global SM controller is studied and applied to Buck converter with global-sliding mode control. Computer simulation and experimental results verify the validity of the theoretical analysis.
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S, Sathishkumar, Raswanth R. T et Gokulakannan M. « DESIGN OF CLOSED LOOP MULTIPORT DC DC CONVERTER ». INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 07, no 09 (1 septembre 2023) : 1–11. http://dx.doi.org/10.55041/ijsrem25868.

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In recent years, there has been lots of emphasis put on the development of renewable energy. While considerable improvement on renewable energy has been made, there are some inherent limitations for these renewable energies The Closed-Loop Multiport DC-DC Converter with Adaptive Sliding Mode Control (ASMC) is difficult in power electronics system designed to efficiently manage and control energy flow between multiple energy sources and loads in various applications, including renewable energy integration, electric vehicles, and microgrids. This paper provides an overview of the key features and benefits of this innovative converter system. Multiport DC-DC converters have gained significant attention due to their ability to interface multiple energy sources, such as solar panels and batteries with different voltage levels and power ratings, providing a versatile platform for energy management. The ASMC controller enhances the converter's performance by dynamically adjusting the control parameters based on system conditions and load requirements, thereby improving efficiency and reliability .The ASMC employs a sliding mode control strategy, a robust and adaptable control method, which ensures that the converter operates effectively under various operating conditions, including rapid changes in load and source characteristics. This control technique offers inherent advantages, such as fast transient response and reduced sensitivity to parameter variations, contributing to superior system performance. The ASMC controller optimizes power conversion by minimizing switching losses and ensuring that the converter operates close to its peak efficiency. The controller continuously adapts to changes in input voltage, output voltage, and load conditions, ensuring stable and reliable operation even in dynamic environments. The sliding mode control strategy enables rapid response to sudden load changes, making it suitable for applications with varying power demands. Key Words: DC-DC converter, Sliding-mode control, Battery, Solar PV.
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Daryabi, Shaik. « Bidirectional DC - DC Converter Topology for Electric Vehicles Using Fuzzy Logic Controller ». INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no 04 (29 avril 2024) : 1–5. http://dx.doi.org/10.55041/ijsrem32240.

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This project organizes an application of hybrid electric vehicle systems operated with novel designed bidirectional dc-dc converter (BDC) which interfaces a main energy storage (ES1), an auxiliary energy storage (ES2) and dc bus of different voltage levels. Proposed BDC converter can operate both step up and step-down mode. In which step up mode represents low voltage dual source -powering mode and step-down mode represents high voltage dc link energy –regenerating mode, both the modes are operated under the control of bidirectional power flow. This model can independently control power flow between low voltage dual source buck/boost modes. Here in, the circuit configuration, operation, steady-state analysis, and closed-loop control of the proposed BDC are discussed according to its three modes of power transfer. In this project fuzzy logic controller is used and also system results are validating through MATLAB/SIMULINK software. Index Terms—Bidirectional dc/dc converter (BDC), dual battery storage, hybrid electric vehicle, Fuzzy logic controller.
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Hong, Xiang-En, Jian-Fu Wu et Chia-Ling Wei. « 98.1%-Efficiency Hysteretic-Current-Mode Noninverting Buck–Boost DC-DC Converter With Smooth Mode Transition ». IEEE Transactions on Power Electronics 32, no 3 (mars 2017) : 2008–17. http://dx.doi.org/10.1109/tpel.2016.2567484.

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Charishma, Pathala Venkata Sai, et Pappu V. Y. Jayasree. « Estimation of Common Mode noise and Differential Mode noise generated by DC-DC Power Converters ». International Journal of Electrical and Electronics Research 11, no 3 (25 septembre 2023) : 836–43. http://dx.doi.org/10.37391/ijeer.110330.

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The study contains a review of the body of knowledge regarding differential mode (DM) and common mode (CM)noise and how they affect power converter performance. With an emphasis on practical application, this work seeks to give an estimation of differential mode (DM) and common mode (CM) noise for cutting-edge DC-DC power converters such as Zeta converters, Single Ended Primary Inductance Converters (SEPIC), and Cuk converters. Active noise separators and Differential mode noise separators are used as a measurement technique to quantify DM and CM noise, considering a number of variables including input voltage, output voltage, load current, and switching frequency. By using filtering techniques, DM and CM noise can be reduced. Both CM noise and DM noise are created by the Zeta converter at 114 dBµV and 108 dBµV, respectively. CM noise from the SEPIC converter is 119 dBµV, and DM noise is 114 dBµV. With values of CM noise 98 dBµV and DM noise 106 dBµV, Cuk converter produces less noise when compared to Zeta and SEPIC converter. The results show that power converters can generate DM and CM noise, and that this noise is over the Comité International Special des Perturbations Radioélectriques [CISPR] limit line. The conducted emission range for various electronic devices is provided by this standard. This study provides useful insights for power converter designers and engineers to optimize the performance of their systems in practical applications.
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Liao, Hsuan, Yi-Tsung Chen, Linda Chen et Jiann-Fuh Chen. « Development of a Bidirectional DC–DC Converter with Rapid Energy Bidirectional Transition Technology ». Energies 15, no 13 (23 juin 2022) : 4583. http://dx.doi.org/10.3390/en15134583.

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Bidirectional DC–DC converters are key devices in the DC distribution system and the energy storage system (ESS). It is important to consider the safety of the elements in the converter for rapid conversion of the power direction. Damages may occur to the power-related components in the circuit if the direction of the inductor current or the capacitor voltage changes instantaneously. To make the power flow change smoothly and quickly, this research proposed a bidirectional DC–DC converter with rapid energy transition technology implemented in the circuit architecture. The rapid energy bidirectional transition technology added a resonance path based on the LC resonant circuit, allowing rapid energy conversion through the resonance path. Therefore, the energy in the energy storage element could be quickly converted without causing circuit surges. Analyses of the converter operating in the step-up mode, the step-down mode, and the transition operation mode are presented. The proposed circuit architecture had a high voltage-conversion ratio and a simple architecture. A prototype bidirectional DC–DC converter with a full load of 500 W, a low side voltage of 24 V, and a high side voltage of 200 V was developed to prove the concept. The feasibility of the rapid energy bidirectional transition technology was verified by the simulation results and experimental results using the prototype converter. The maximum efficiencies in the step-up mode and the step-down mode were 95.3% and 93.8% respectively. Under full-load conditions, the transient time of the energy transition from the step-up mode to the step-down mode was 17.7 μs, and the transient time of the energy transition from the step-down mode to the step-up mode was 19.3 μs.
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Delatte, Pierre, Thomas François, David Baldwin, Jan Beranek, Zlatan Gradincic et Etienne Vanzieleghem. « New Generations of Highly Integrated High Temperature DC-DC Converters ». Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (1 janvier 2014) : 000014–17. http://dx.doi.org/10.4071/hitec-ta14.

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This paper presents YELLOWSTONE, a single chip, low-voltage, synchronous Buck DC-DC converter implementing a current mode PWM controller with built-in N & P-channel power MOSFETs. It aims to be used as a Point-of-Load (PoL) switched mode power supply with a maximum output current of 500mA. It generates from a typical +3.3V or +5V voltage input a lower voltage output between +0.9V and +3.3V configurable by an external resistor network. It has been specified and designed for operation at temperatures from −55°C to +225°C. Synchronous rectification increases efficiency and reduces external components count. The circuit achieves power efficiencies in excess of 90%. The chip implements a current mode PWM control which enables a fast response to line and load transient variations. A high switching frequency (1.5MHz typical with internal clock and up to 2MHz with external clock) has been selected enabling a dramatic reduction of the number and size of passive external components. The current mode control made possible to use a simple compensation loop and to integrate it. High integration level, tiny IC package (5mm*5.5mm) and small external passive components, lead to a very small footprint for the complete PoL function, i.e. as small as 0.25inch2 (10mm*15mm).
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Dehri, Khadija, et Ahmed Said Nouri. « A discrete repetitive adaptive sliding mode control for DC-DC buck converter ». Proceedings of the Institution of Mechanical Engineers, Part I : Journal of Systems and Control Engineering 235, no 9 (29 mars 2021) : 1698–708. http://dx.doi.org/10.1177/09596518211005576.

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The problem of sensitivity to uncertainties and disturbances is still a challenging task in the theory of discrete sliding mode controller. In this article, a discrete repetitive adaptive sliding mode control using only input-output measurements of linear time-varying system with periodic disturbances is proposed. A new indirect adaptive algorithm taken into account the periodicity of disturbances is used to identify parameter variations of the considered system. Based on this identification, discrete sliding mode controller is developed. Then, the structure of plug-in repetitive control is integrated into the previous controller to reject harmonic disturbances. A robustness analysis is achieved to ensure the asymptotic stability of the proposed controller. An example of time-varying DC-DC buck converter subject to harmonic disturbances is carried out to illustrate the effectiveness of the designed discrete repetitive adaptive sliding mode control.
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Tomesc, Liviu, et Bogdan Betea. « Numerical Sliding Mode Control for a DC-DC Buck Converter ». Applied Mechanics and Materials 436 (octobre 2013) : 427–34. http://dx.doi.org/10.4028/www.scientific.net/amm.436.427.

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Due to advances in microprocessor technology the numeric control is becoming increasingly attractive for the power converter designers. This paper proposes a solution based on a voltage-only sliding mode control algorithm for a DC-DC buck converter, it identifies challenges and proposes solutions.
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Fan, Li Ping, et Ya Zhou Yu. « Neural Network Based Sliding Mode Control for DC-DC Converters ». Advanced Materials Research 211-212 (février 2011) : 395–99. http://dx.doi.org/10.4028/www.scientific.net/amr.211-212.395.

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DC-DC converters have some inherent characteristics such as high nonlinearity and time-variation, which often result in some difficulties in designing control schemes. RBF neural network sliding-mode control method is applied to PWM-based DC-DC converters in this paper. As the control input is duty cycle, the control inputs are in the scopes between 0 and 1. A general RBF neural network can not be suitable to control the PWM-based DC-DC converters, because the output layer of such network uses a linear function, and that the outputs of the network are between -∞ and +∞. Sigmoidal function is used instead of the output layer function in this paper to make the outputs are between 0 and 1. This sliding mode control method based on neural network can not only control the scope of the network output, but also eliminate the system chattering. Simulation experiments verify that this method can control the DC-DC converters well.
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Sarkar, Tamen Thapa, et Chitralekha Mahanta. « Estimation Based Sliding Mode Control of DC-DC Boost Converters ». IFAC-PapersOnLine 55, no 1 (2022) : 467–72. http://dx.doi.org/10.1016/j.ifacol.2022.04.077.

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Ibanez, Federico, Javier Vadillo, Miguel Martinez-Iturralde Maiza et Jose Martin Echeverria. « 30kW DC-DC Converters with Regenerative Mode for Electric Cars ». Journal of Power Electronics 12, no 2 (20 mars 2012) : 233–41. http://dx.doi.org/10.6113/jpe.2012.12.2.233.

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