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Aminat Uzdenova
Electromembrane processes underlie the functioning of electrodialysis devices and nano- and microfluidic devices, the scope of which is steadily expanding. One of the main aspects that determine the effectiveness of membrane systems is the choice of the ...
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Hsiao-Hsing Chou, Jian-Yu Chen, Tsung-Hu Tseng, Jun-Yi Yang, Xuan Yang and San-Fu Wang
In this paper, a new control scheme for buck converters was proposed. The buck converter utilizes the dual control loop to improve transient response and has the constant switching frequency. The control scheme is mainly as follows: (a) The switch-ON tim...
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Yuwen Huang, Xiaoping Xie, Zeyulin Zhang, Peng Dong, Zhe Li, Dazheng Chen, Weidong Zhu, Shenglei Zhao, Qian Feng, Jincheng Zhang, Chunfu Zhang and Yue Hao
The vertical heterojunction Ga2O3 MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) with the p-type oxide as the current-blocking layer (CBL) is investigated for the first time using SILVACO simulation software. The results show that the thresho...
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Priyanka Singh, Rajendra kumar nagaria
Pág. 12 - 28
This study aims to present a new resistor-less current-mode multi-input single-output universal filter. The current-mode?s design approach is used to obtain the proposed circuit. This circuit employs a single differential voltage extra-X current controll...
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Sonia Ponce de León and C. Guedes Soares
The influence of the Agulhas Current on the wave field is investigated. The study is conducted by performing high resolution spectral wave model simulations with and without ocean currents. The validation of the numerical simulations is performed for the...
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Weilei Mu, Yuxue Wang, Hailiang Sun and Guijie Liu
To solve the trajectory tracking problem of insufficient response and the large tracking error of remotely operated vehicles (ROVs) under the interference of large ocean currents, this paper proposes a double-loop sliding mode controller with an ocean cu...
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San-Fu Wang, Hua-Pin Chen, Yitsen Ku and Yi-Fang Li
This paper proposes a high-input impedance voltage-mode (VM) multifunction biquad filter which employs three current-feedback amplifiers (CFAs), three resistors, and two grounded capacitors. The proposed VM multifunction biquad filter has single-input an...
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Vincenzo Stornelli, Gianluca Barile, Leonardo Pantoli, Massimo Scarsella, Giuseppe Ferri, Francesco Centurelli, Pasquale Tommasino and Alessandro Trifiletti
The aim of this paper is to prove that, through a canonic approach, sinusoidal oscillators based on second-generation voltage conveyor (VCII) can be implemented. The investigation demonstrates the feasibility of the design results in a pair of new canoni...
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Muhammad Naveed Iqbal, Lauri Kütt, Bilal Asad, Toomas Vaimann, Anton Rassõlkin and Galina L. Demidova
The time-dependent variations in current harmonic emission from switch mode power supplies are often not considered during power quality measurements. It can affect the results of the current harmonic estimation models as switch-mode power supplies const...
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Javed Ahmad, Mohammad Zaid, Adil Sarwar, Chang-Hua Lin, Shafiq Ahmad, Mohamed Sharaf, Mazen Zaindin and Muhammad Firdausi
In this paper, a new transformerless high voltage gain dc-dc converter is proposed for low and medium power application. The proposed converter has high quadratic gain and utilizes only two inductors to achieve this gain. It has two switches that are ope...
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Vladimir Zaykov,Vladimir Mescheryakov,Yurii Zhuravlov
Pág. 63 - 73
The systems maintaining thermal regimes are a necessary component of thermally-loaded radio-electronic equipment, without which its operation is impossible. The uneven distribution of heat emitted by components such as semiconductor lasers, receivers of ...
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Kostas Belibassakis, Julien Touboul, Elodie Laffitte and Vincent Rey
Extended mild-slope models (MMSs) are examined for predicting the characteristics of normally incident waves propagating over sinusoidal bottom topography in the presence of opposing shearing currents. It is shown that MMSs are able to provide quite good...
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Electronic load (e-load) is essential equipment for power converter performance test, where a designated load profile is executed. Electronic load is usually implemented with the analog controller for fast tracking of the load profile reference. In this ...
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Yassine Kali, Magno Ayala, Jorge Rodas, Maarouf Saad, Jesus Doval-Gandoy, Raul Gregor and Khalid Benjelloun
This paper proposes a robust nonlinear current controller that deals with the problem of the stator current control of a six-phase induction motor drive. The current control is performed by using a state-space representation of the system, explicitly con...
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Dmitriy V. Suvorov, Gennady P. Gololobov, Dmitriy Yu. Tarabrin, Evgeniy V. Slivkin, Sergey M. Karabanov and Alexander Tolstoguzov
The main features of electrochemical deposition of coatings based on Ni–W binary alloy in the pulse current mode using pyrophosphate electrolytes were studied. Two electrolytes with a pH of 8.7 and 9.5 were used. The deposition was carried out with...
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Cui Tang, Xianggen Yin and Zhe Zhang
Current differential protection is the main protection of transmission lines which include multi-circuit lines on the same tower, and whose sensitivity and reliability of differential protection is mainly affected by the distributed capacitive current. F...
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Jinhaeng Jang, Syam Kumar Pidaparthy and Byungcho Choi
Conventional voltage mode control only offers limited performance for LLC series resonant DC-to-DC converters experiencing wide variations in operational conditions. When the existing voltage mode control is employed, the closed-loop performance of the c...
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Ching-Ming Lai, Ming-Ji Yang and Shih-Kun Liang
In this paper, in order to achieve zero ripple conditions, the use of a ripple mirror (RM) circuit for the boost converter is proposed. The operation modes are studied and steady-state analyses performed to show the merits of the proposed converter. It i...
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Yu. P. Goncharov,V. V. Zamaruev,V. V. Ivahno,N. V. Panasenko,V. V. Bozhko,P. D. Andryenko,I. I. Lahuta
Pág. 61 - 66
The results of analytical research and computer design of the anomalous, steady-state and transitional modes related to the resonance in the input filter of voltage added converter based on IGBT with the PWM are presented. The ways of resonance removal b...
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V. H. Sychenko,D. O. Bosyj
Pág. 82 - 87
Research results of voltage modes at traction substation buses in primary, regional and traction network are presented in the article. Numeric characteristics of probability density distributions are obtained. Autocorrelation functions of positive and ne...
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