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Coordinated control for voltage regulation of distribution network voltage regulation by distributed energy storage systems

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With more and more distributed photovoltaic (PV) plants access to the distribution system, whose structure is changing and becoming an active network. The traditional methods of voltage regulation may hardly adapt to this new situation. To address this problem, this paper presents...

Design and analysis of a full bridge LLC DC-DC converter for auxiliary power supplies in traction

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This paper focuses on an 8 kW LLC resonant full bridge DC-DC converter topology using a high frequency transformer for auxiliary power supply systems in traction. The full bridge DC-DC converter with the LLC resonant network has been tested under hard switching...

Design of integral sliding mode control for DC-DC converters

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The development and implementation of an integral sliding mode control algorithm for closed loop control of a DC-DC buck converter is presented in this paper. Integral sliding mode controller (ISMC) is formulated to tackle the variable switching frequency problem faced during load...

Evaluation of high-voltage AC cable grounding systems based on the real-time monitoring and theoretical calculation of grounding currents

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For high-voltage (HV) AC cable transmission systems, the metal sheaths of three separate single-core cables are cross-bonded at each end of the cable section, to suppress the induced voltages in sheaths. The status of HV cable grounding systems is, therefore, an important...

Flexible IR-HARQ Scheme for Polar-Coded Modulation

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Flexible IR-HARQ Scheme for Polar-Coded Modulation

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A flexible incremental redundancy hybrid automated repeat request (IR-HARQ) scheme for polar codes is proposed based on dynamically frozen bits and the quasi-uniform puncturing (QUP) algorithm. The length of each transmission is not restricted to a power of two. It is applicable for...

Machine Learning for Electroencephalography Decoding and Robotics Dextrous Hands Movement

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This work focuses on using machine learning (data analysis) for interpretation and understanding of brainwaves resulting from electroencephalography during a grasping task. Electroencephalography – EEG - was used for acquisition of brain neural signals thought activity, hence to layout a control strategy for robotic hand...

Reliability study of high gain DC-DC converters based on RRPP I-IIA configuration for shipboard power system

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This paper examines the family of high gain DC-DC converter derived from I-IIA configuration, primarily based on Reduced Redundant Power Processing (RRPP). The primary intention of this study is to determine the best topology for high voltage applications. The steady-state analysis of...

Thermal Optimization of Electronic Devices on PCB Based on the Ant Colony Algorithm

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With the integration of the electronic devices on the printed circuit board, the heat flux density in  narrow spaces isincreasing rapidly. The placement of electronic devices can affect the temperature of the overall circuit board. In addition, some special devices usually need to...

9Round Attack on AES-256 by a 6-round property

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9Round Attack on AES-256 by a 6-round property

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In this paper, we propose a new 6-round Related Key Impossible Differential property of AES-256 and two  related key impossible differential attacks on 7 and 9 round AES-256 based on the proposed property. The overall complexity of the the first...
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