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An Intelligent Big Data Security Framework Based on AEFS-KENN Algorithms for the Detection of Cyber-Attacks from Smart Grid Systems

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Big Data Mining and Analytics 2024年第2期7卷 399-418页

作者： Sankaramoorthy Muthubalaji Naresh Kumar Muniyaraj Sarvade Pedda Venkata Subba Rao Kavitha Thandapani Pasupuleti Rama Mohan Thangam Somasundaram Yousef Farhaoui department of Electrical and Electronics engineering CMR College of Engineering&TechnologyHyderabad 501401India department of Electronics and Communication engineering Vardhaman College of Engineering KacharamShamshabad 501218India department of Electronics and Communication engineering Sreenidhi Institute of Science and TechnologyHyderabad 501301India department of Electronics and Communication engineering Vel Tech Rangarajan Dr.Sagunthala R&D Institute of Science and TechnologyChennai 600062India department of Electrical and Electronics engineering Bharat Institute of Engineering and TechnologyHyderabad 501510India department of Computer Science and engineering Amrita School of ComputingAmrita Vishwa VidhyapeethamBengaluru 560035India T-IDMS Department of Computer ScienceFaculty of Sciences and TechniquesMoulay Ismail UniversityErrachidia 52000Morocco

Big data has the ability to open up innovative and ground-breaking prospects for the electrical grid,which also supports to obtain a variety of technological,social,and financial *** is an unprecedented amount of heterogeneous big data as a consequence of the growth of power grid technologies,along with data processing and advanced *** main obstacles in turning the heterogeneous large dataset into useful results are computational burden and information *** original contribution of this paper is to develop a new big data framework for detecting various intrusions from the smart grid systems with the use of AI ***,an AdaBelief Exponential Feature Selection(AEFS)technique is used to efficiently handle the input huge datasets from the smart grid for boosting ***,a Kernel based Extreme Neural Network(KENN)technique is used to anticipate security vulnerabilities more *** Polar Bear Optimization(PBO)algorithm is used to efficiently determine the parameters for the estimate of radial basis ***,several types of smart grid network datasets are employed during analysis in order to examine the outcomes and efficiency of the proposed AdaBelief Exponential Feature Selection-Kernel based Extreme Neural Network(AEFS-KENN)big data security *** results reveal that the accuracy of proposed AEFS-KENN is increased up to 99.5%with precision and AUC of 99%for all smart grid big datasets used in this study.

关键词： smart grid Machine Learning(ML) big data analytics AdaBelief Exponential Feature Selection(AEFS) Polar Bear Optimization(PBO) Kernel Extreme Neural Network(KENN)

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Evaluation of Large Amplitude Free Vibration Behavior of Moderately Thick Square Plates Using Coupled Displacememt Field Method

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仪器仪表学报 2013年第S1期34卷 171-177页

作者： K.Meera Saheb C.Shasikanth G.Venkateswara Rao V.Suresh Babu department of mechanical engineering University college of engineering department of mechanical engineering MallaReddy college of engineering Hyderabad department of mechanical engineering vardhaman college of engineering shamshabad department of mechanical engineering

A simple and efficient coupled displacement field method is developed to study the large amplitude free vibration behavior of the moderately thick square plates.A single term trigonometric admissible displacement field is assumed for one of the variables,say,the total rotations(in both X,Y directions).Making use of the coupling equation,the spatial variation for the lateral displacement field is derived in terms of the total *** coupled displacement field method makes the energy formulation to contain half the number of unknown independent coefficients,in the case of a square plate,contrary to the conventional RayleighRitz *** lesser number of undetermined coefficients significantly simplifies the vibration *** expressions for the linear and nonlinear fundamental frequency parameters for the all edges simply supported moderately thick square plates are *** numerical results obtained from the present formulation are in very good agreement with those obtained from the existing literature.

关键词： vibration behavior coupled displacement field thick square plates

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Comprehensive Study,Design and Economic Feasibility Analysis of Solar PV Powered Water Pumping System

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Energy engineering 2021年第6期118卷 1887-1904页

作者： K.Karthick K.Jaiganesh S.Kavaskar department of Electrical and Electronics engineering GMR Institute of TechnologyRajamAndhra PradeshIndia department of Electrical and Electronics engineering Vardhaman College of EngineeringShamshabadHyderabadTelanganaIndia Power Projects Private Limited ChennaiTamil NaduIndia

The energy efficient product can be operated with longer *** offer wonderful solutions compared to other conventional water pumping system as it needs less maintenance,simple in installation,zero fuel cost,longer operating life,highly reliable and free from production of greenhouse *** this paper we analyzed the different topologies of DC–DC converter in terms of their operating region of MPPT,quality of input and output *** discussed the MPPT algorithms to address partial shading effects in SPV array,present state of the technology,factors affecting the performance of the system,efficiency improvements and identified the research ***,the economic feasibility analysis has been done for the real time scenario using the Homer Pro *** estimation of total dynamic head and horse power calculation has been done to decide the total load *** economic analysis results such as cumulative cash flow over project lifetime of 25 years are *** is observed that the capital investment requirement is$7,425 for installing Fronius PV system that has a nominal capacity of 2.47 kW and annualized savings will be$*** the long-term perspective,the return on investment is−2.18%as per the present tariff plan.

关键词： DC-DC converter economic feasibility analysis MPPT solar photo voltaic solar pumps water pumping system

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Truncation and Rounding-Based Scalable Approximate Multiplier Design for Computer Imaging Applications

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Computers, Materials & Continua 2022年第12期73卷 5169-5184页

作者： S.Rooban A.Yamini Naga Ratnam M.V.S.Ramprasad N.Subbulakshmi R.Uma Mageswari department of Electronics and Communication engineering Koneru Lakshmaiah Education FoundationVaddeswaramGuntur522502Andhra PradeshIndia department of EECE GITAM(Deemed to be University)VisakhapatnamAPIndia department of Electronics and Communication engineering Francis Xavier Engineering CollegeTirunelveli627003Tamil NaduIndia 4Department of Computer Science and engineering Vardhaman College of EngineeringShamshabadHyderabad501218TelanganaIndia

Advanced technology used for arithmetic computing application,comprises greater number of approximatemultipliers and approximate *** and Rounding-based Scalable ApproximateMultiplier(TRSAM)distinguish a variety of modes based on height(h)and truncation(t)as TRSAM(h,t)in the *** TRSAM operation produces higher absolute error in Least Significant Bit(LSB)data shift unit.A new scalable approximate multiplier approach that uses truncation and rounding TRSAM(3,7)is proposed to increase themultiplier *** the help of foremost one bit architecture,the proposed scalable approximate multiplier approach reduces the partial *** proposed approximate TRSAM multiplier architecture gives better results in terms of area,delay,and *** accuracy of 95.2%and the energy utilization of 24.6 nJ is observed in the proposed multiplier *** proposed approach shows 0.11%,0.23%,and 0.24%less Mean Absolute Relative Error(MARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit *** also shows 0.13%,0.19%,and 0.2%less Variance of Absolute Relative Error(VARE)when compared with the existing approach for the input of 8-bit,16-bit,and 32-bit *** proposed approach is implemented with Field-Programmable Gate Array(FPGA)and shows the delay of 3.640,6.481,12.505,22.572,and 36.893 ns for the input of 8-bit,16-bit,32-bit,64-bit,and 128-bit *** proposed approach is applied in digital filters designwhich shows the Peak-Signal-to-NoiseRatio(PSNR)of 25.05 dB and Structural Similarity Index Measure(SSIM)of 0.98 with 393 pJ energy consumptions when used in image *** proposed approach is simulated with Xilinx and MATLAB and implemented with FPGA.

关键词： Truncation rounding based scalable approximate multiplier foremost one detector field programmable gate array peak-signal-to-noise-ratio structural similarity index measure

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Preparation,characterization and densification studies of W-Ag nanocomposites produced by chemical route

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Low-carbon Materials and Green Construction 2023年第1期1卷 254-262页

作者： M.Venkat Reddy A.Krishnaiah P.Venkateshwar Reddy department of mechanical engineering Osmania UniversityHyderabadTelanganaIndia 500007 department of mechanical engineering Vardhaman College of EngineeringShamshabadTelanganaIndia 501218

W-Ag has applications in a wide range of cutting-edge fields,counting heat sinks and microwave absorbers for micro—electronic components,electric arc ends,and filaments for welding processes,electrical contacts,and durable electronic *** methods provide a number of benefits,including improved purity,and controlled particle *** present study focused on the fabrication of W-Ag nano composites using chemical synthesis.W-Ag nanocomposites with average size less than 50 nm were synthesized using Tungsten hexacarbonyl(W(CO)_(6),and silver acetate(CH_(3)-COOAg)as metal precursors in the present *** W-Ag composites were sintered using conventional sintering.X-ray diffraction studies of as-prepared powders showed amorphous W-phase and FCC Ag,while sintered W-Ag composites exhibited crystalline BCC W and FCC Ag *** effect of sintering temperature on relative density and mechanical properties of W-Ag sintered compacts was *** density in excess of 97.6%,98.2%and 98.8%was achieved for W-20.3 wt.%Ag,W-30.1 wt.%Ag and W-39.8 wt.%Ag composites on conventional sintering at 1000℃ for 1 *** hardness of 364±10 and 320±8 Hv and 279±6 were achieved for W-20.3 wt.%Ag,W-30.1 wt.%Ag and W-39.8 wt.%Ag composite compacts *** hardness value of W-Ag composites decreased with an increase in Ag *** combination of properties realized in this study renders the composites suitable for automotive and heat sink applications.

关键词： W-Ag nanocomosites Densification Vickers Hardness Friction coefficient Conventional sintering

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