Vol 8 Issue 1 January 2020-March 2020

Abstract: LEDs are widely used in all walks of life due to their good performance. But its core part, the driving power, is the key to ensuring long-term stable and efficient operation of the lighting system. Therefore, solving the defects of electrolytic capacitors in LED driving power and extending the working life of LED driving power is of great significance to the development and popularization of LED lighting systems. This article uses a transformer-isolated Fly-back PFC circuit and a small-capacity CBB capacitor to balance the input power. Combining dual-input and dual-output converters, a three-port converter is constructed, and three power transmission paths are realized through power transmission between three ports. When the input power is greater than the output power, the energy storage capacitor stores excess energy; conversely, the energy storage capacitor releases energy to the load circuit to balance the input power and output power. Among them, the DC / DC converter implements the PFC function, and the energy storage capacitor performs power transmission through charging and discharging, balancing the pulsating power between the input power and the output power to achieve a constant power output, thereby reducing the ripple current and achieving a flicker-free purpose.

Keywords: AC/DC drive power, Fly-back converter, Buck circuit, three-port converter.

Title: Flyback based three-port electroless capacitor LED drive power

Author: Jiaqi Gao, Chunkai Chen, Lianlian Yang, Binbin Du

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

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Abstract: Quantum-dot cellular automata (QCA) are a new and promising computation paradigm, which can be a viable replacement for the complementary metal–oxide–semiconductor technology at nano-scale level. This technology provides a possible solution for improving the computation in various computational applications. It is expected that the CMOS technology reaches to the end of its road map because of many serious challenges such as short channel effect, impurity variations, high cost of lithography and more importantly, the heat. Quantum-dot cellular automata (QCA) are one of the alternative technologies that enable nano-scale circuit design with high performance and low power consumption features. In this aspect, QCA wire crossing is a challenging task in the coplanar QCA fabrication, as defects appear to be inherent due to two cell types in single layout structure.

Some of previous design to introduce new approach for full adder design to full adder structure using an inverter chain. We have proposed a new low-complexity without using inverter chain to reduce circuitry requirement for extra Q-cell and power consumption repulsive geometry structural DUT, which consumes less Area compared to prior designs. To evaluate the usefulness of proposed design a new one bit full adder circuit and CSA with the help of basic full adder design presented. Our design achieves good improvement in cell count and consumes less area in comparison to the best single layer design. QCADesigner tool is used to validate the layout of the proposed designs. The usefulness of exhibited plans has been performed in QCADesigner form 2.0.3

Keywords: - QCA, Nano Technology’ QCA full adder, CSA, QCA Designer.

Title: CARRY SAVE ADDER BY USING COPLANAR FULL ADDER WITHOUT INVERTER CHAIN DESIGN IN QCA

Author: Umashankar Yadav, Umesh Barahdiya

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

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Abstract: The wonderful evolution of Internet and Web from merely get related, users/consumers can now do commercial enterprise thru internets. as an instance, traditional bricks-and-mortar business come to be digital commercial enterprise (e-business) via using ICT equipment. on the other fingers, mobile commerce (m-trade) allow consumers (users) to apply Wi-Fi handheld gadgets, undertaking commercial transaction online. this has created a huge series of commercial enterprise opportunities. even though penetration charge of cellular telephones is excessive, an incredibly low adoption price of m-trade has been discovered in growing international locations together with Jordan. consumers display a loss of enthusiasm, in all likelihood because of loss of trust. the conceptual framework proposed in this paper is supposed to clarify elements as they're related to generation recognition model (tam). extra especially, the relationship of agree with-based elements with a view to adopt m-trade in Jordan. through regarding the effects and findings, this studies endorsed to importance the use of believe-based totally elements as it's stepped forward the intention to apply of m-trade.

Keywords: E-Business, M-Shopping, Mobile Commerce, Electronic Commerce.

Title: Determinants of Factors That Influence to Using Mobile Commerce in Jordan

Author: AHMED HASSAN HASSAN, YOUSEF A.BAKER EL-EBIARY, NAJEEB ABBAS AL-SAMMARRAIE

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

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Abstract: This paper investigates a non-negative matrix factorization (NMF)-based approach to the semi-supervised single-channel speech enhancement problem where only non-stationary additive noise signals are given. The NMF spectral basis matrices for both speech and noise are obtained in a manner of supervised learning, and thus the performance of their associated NMF speech enhancement degrades as the speaker and/or noise characteristics are not matched for the learning and evaluation environment. The experimental evaluation was made on TIMIT corpus mixed with various types of noise. It has been shown that the proposed method outperforms some of the state-of-the-art noise suppression techniques in terms of signal-to-noise ratio.

Keywords: non-negative matrix factorization (NMF), noise suppression techniques, signal-to-noise ratio.

Title: Non-stationary additive noise signal filtration process in NMF based approach for the single-channel speech enhancement

Author: Ravi Shankar Prasad, Pradeep singh yadav

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

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Abstract: Automation has come up with solutions towards; higher productivity, Superior quality of end product, Efficient usage of energy and raw materials and Improved safety in working conditions etc.

Programmable Logic Controllers are important element, who are playing major role in it in automation of process Industries. For anolog signals it has provided economic solutions. Here we have given short description on utility of function blocks FC 105 and 106 in calibrating analog signals of various process parameter i.e. Temperature, Pressure, Flow, conductivity ,density, sound etc.. Some of the objective which are of directly use of an Industrial Automation Electronic Engineer to serve Industries in order to boost up productivity are as follows;

Objectives:

•  Basics of PLC hardware system.

•  Application of Converter in calibrating RTD , Thermocouple  over conventional Basics of PLC hardware system,

•  Configuring Analog signals and Addressing Digital and Analog Inputs and Outputs in it.

•  Configuring FC 105

•  Utilizing comparator, Adder etc

•  Configuring FC 106.

•  Advantage of using FC 105 and FC 106 over traditional use of hardware in automation.

•  Perform PLC Hardware Configuration for Global Data Communication.

•  Develop and test PLC programs.

Keywords: PLC, Hardware, RTD, Thermocouple, Digital Analog.

Title: APPLICATION OF PROGRAMMABLE LOGIC CONTROLLERS IN CALIBRATING ANALOG INPUTS IN PROCESS INDUSTRIES USING FUNCTION BLOOK IN SCALING AND UNSCALING

Author: Sudheer Kumar Jain, Dr. A S Jadgaonkar, Dr Sanjeev Gupta

International Journal of Electrical and Electronics Research  

ISSN 2348-6988 (online)

Research Publish Journals