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EMD-Att-LSTM: A Data-driven Strategy Combined with Deep Learning for Short-term Load Forecasting

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Journal of Modern Power Systems and Clean Energy 2022年第5期10卷 1229-1240页

作者： neeraj Jimson Mathew Ranjan kumar Behera Indian Instituteof Technology Patna801103India

Electric load forecasting is an efficient tool for system planning, and consequently, building sustainable power systems. However, achieving desirable performance is difficult owing to the irregular, nonstationary, nonlinear, and noisy nature of the observed data. Therefore, a new attention-based encoderdecoder model is proposed, called empirical mode decomposition-attention-long short-term memory(EMD-Att-LSTM).EMD is a data-driven technique used for the decomposition of complex series into subsequent simpler series. It explores the inherent properties of data to obtain the components such as trend and seasonality. Neural network architecture driven by deep learning uses the idea of a fine-grained attention mechanism, that is, considering the hidden state instead of the hidden state vectors, which can help reflect the significance and contributions of each hidden state dimension. In addition, it is useful for locating and concentrating the relevant temporary data,leading to a distinctly interpretable network. To evaluate the proposed model, we use the repository dataset of Australian energy market operator(AEMO). The proposed architecture provides superior empirical results compared with other advanced models. It is explored using the indices of root mean square error(RMSE) and mean absolute percentage error(MAPE).

关键词： Short-term load forecasting Australian energy market operator long short-term memory(LSTM) empirical mode decomposition(EMD) attention mechanism

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Enhanced thermoelectric figure of merit at near room temperature in n-type binary silver telluride nanoparticles

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Journal of Materiomics 2023年第2期9卷 310-317页

作者： Amish kumar Gautam neeraj Khare Department of Physics Indian Institute of Technology DelhiHauz KhasNew Delhi110016India

In the present study,we have synthesized Ag2Te nanoparticles using the hydrothermal method and showed significant improvement in the thermoelectric properties compared to the bulk Ag2Te ***2Te nanoparticles showed the highest figure of merit(zT)of 1.37 at 373 K,which is the highest zT reported for this undoped *** high zT in Ag2Te nanoparticles is mainly due to about~2 times higher electrical conductivity(1967 S/cm)and subsequently~2 times lower thermal conductivity(0.53 W/(m$K))as compared to the bulk Ag2Te *** higher electrical conductivity in Ag2Te nanoparticles can be accredited for two reasons(i)better mobility of the charge carrier and(ii)increased carrier *** low thermal conductivity is associated with the enhanced scattering of phonons at the interface of the Ag2Te nanoparticles.

关键词： Silver telluride Nanoparticles Thermoelectrics Figure of merit

Analysis of Dielectric and Electro-optic Responses of Nanomaterials Doped Ferroelectric Liquid Crystal Mixture

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Journal of Materials Science & Technology 2011年第12期27卷 1094-1098页

作者： neeraj Pankaj kumar K.K. Raina Material Research Laboratory School of Physics and Materials Science Thapar University Patiala 147004 India Department of BIN Fusion Technology Chonbuk National University Jeonju Jeonbuk 561-756 Korea Department of Applied Science Chitkara University Jansala Rajpura Patiala-140401 Punjab India

Dielectric and rotational viscosity measurements of a multi-component ferroelectric liquid crystal mixture were performed by adding a small concentration （0.01 wt%） of silica and multi walled carbon nanotubes （MWCNTs）. Liquid crystals turn out to be outstanding hosts for nanomaterials. A remarkable increase in the rotational viscosity was noticed in CNT doped system as compared to silica doped same liquid crystal system. Comparison of dielectric studies shows higher value of permittivity and dielectric losses for silica-doped sample than those of CNT doped sample. The results have been interpreted both experimentally and theoretically.

关键词： Ferroelectric liquid crystals Silica nanoparticles Carbon nanotubes Dielectricpermittivity Rotational viscosity

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Cryptanalysis and improvement of a certificateless signcryption scheme without bilinear pairing

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Frontiers of Computer Science 2014年第4期8卷 656-666页

作者： Wenbo SHI neeraj kumar Peng GONG Zezhong ZHANG Department of Electronic Engineering Northeastern University at Qinhuangdao Qinhuangdao 066004 China Department of Computer Science and Engineering Thapar University Patiala 147004 India National Key Laboratory of Mechatronic Engineering and Control School of Mechatronical Engineering Beijing Institute of Technology Beijing 100081 China The Yellow River Institute of Science North China University of Water Conservancy & Electric Power Zhengzhou 450011 China

As an improtant cryptographic scheme, signcryption scheme has been widely used in applications since it could provide both of signature and encryption. With the development of the certificateless public key cryptography （CLPKC）, many certificatelss signcryption （CLSC） schemes using bilinear pairing hve been proposed. Comparated other operations, the bilinear pairing operaion is much more compulicated. Therefore, CLSC scheme without bilinear pairing is more suitable for applications. Recently, Jing et al. proposed a CLSC scheme without bilinear pairing and claimed their scheme is secure against two types of adversaries. In this paper, we will show their scheme provide neither unforgeability property nor confidentiality property. To improve security, we also propose a new CLSC scheme without pairing and demonstrate it is provably secure in the random oracle model.

关键词： certificateless public key cryptography signcryption scheme bilinear pairings elliptic curve random oracle model

Laser-induced self-organization in Se–Te–Sn–Cd glassy semiconductor for developing novel light-sensing dielectrics

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Progress in Natural Science:Materials International 2019年第5期29卷 541-548页

作者： Amit kumar Arvind Sharma neeraj Mehta Glass Science Laboratory Department of Physics Institute of Science Banaras Hindu University Physics Department School of Physical and Materials Sciences Mahatma Gandhi Central University

The laser-induced effects on dielectric properties of chalcogenide glass(Ch Gs) have been present in a glassy system of Se–Te–Sn–Cd for possible applications in optics and optoelectronics such as light-controlled capacitance-based touch displays. The temperature/frequency dependence of dielectric relaxation before and after laser exposure was investigated by using laser sources of different wavelengths(405 nm, 532 nm, 690 nm, and 785 nm). The result showed the presence of laser-induced residual effects on dielectric properties(dielectric constant/loss and a.c. conductivity) after the exposure of continuous-wave laser sources of chosen *** analysis indicates that the modification in the meta-stable state due to self-organization is the feasible mechanism of observed persistent light-sensing effects.

关键词： Amorphous materials Laser Inorganic glass Chalcogenides Self-organization

CFD modeling and laboratory studies of dust cleaning efficacy of an efficient four stage non-clogging impingement filter for flooded-bed dust scrubbers

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International Journal of Coal Science & Technology 2022年第2期9卷 211-219页

作者： Ashish Ranjan kumar neeraj Gupta Steven Schafrik Department of Mining Engineering University of KentuckyLexingtonKYUSA Department of Mining and Nuclear Engineering Missouri University of Science and Technology1400 N.Bishop AveRollaMO 65401USA

Fibrous-type flters are used to capture dust particles in mining and other occupations where personnel are exposed for prolonged *** cleansing devices including fooded-bed dust scrubbers use these mesh-type multi-layered *** flters trap dust particles efciently on their surface and inside their ***,their continued operation leads to dust build-up and *** results in increased resistance of the flter and lowered airfow rate through the *** could potentially enhance the exposure of the miners.A non-clogging self-cleaning impingement screen type dust flter was designed by the authors for use in mining and industrial dust cleansing *** flter guides dirt-laden air through rapidly turning paths which forces it to shed heavier *** particles impact one of the impermeable solid metallic flter surfaces and are removed from the airstream.A full cone water spray installed upstream prevents any surface buildup of *** paper summaried the computer models generated to show the flter operations and laboratory experiments including optical particle counting to establish the cleaning efciency.

关键词： Dust flter Computational fuid dynamics modeling Iso-kinetic sampling Optical particle counting Flooded-bed dust scrubber

Resource potential and planning for exploration of the Hebrus Valles, Mars

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Research in Astronomy and Astrophysics 2019年第8期19卷 99-114页

作者： Ravi Sharma neeraj Srivastava Santosh kumar Yadav J.J.T.University JhunjhunuRajasthan333001India Planetary Science Division Physical Research LaboratoryAhmedabad380009India

Mars is the only extraterrestrial body which could host primitive lifeforms and also has the potential to host a human base in the near future. Towards fulfilling these objectives, several remote sensing missions and rover based missions have been sent to Mars. Still, confirmation of existing or extinct life on this planet in any form has not been achieved and possibly human missions at selected sites in the future are the key to addressing this problem. Here, we have used remote sensing data from Mars Reconnaissance Orbiter(MRO;NASA), Mars Global Surveyor(MGS;NASA), Mars Odyssey(NASA) and Mars Express(MEX;ESA) to devise an exploration strategy for one such area known as Hebrus Valles, which is a potential site for human exploration of the surface of Mars. A geological context map of the Hebrus Valles and Hephaestus Fossae region has been prepared and a candidate landing site has been proposed in the Hebrus Valles region. Suitable rover paths have been worked out from the proposed landing site for harnessing the science and resource potential of the region. The proposed landing site is located in the equatorial region at(20?40′N, 126?23′E) and due to its proximity to the Potential Subsurface Access Candidates(PSACs) in the region, such as sinkholes and skylights and also other resources such as crater ejecta, silicate material and fluvial channels, the site is appropriate for exploration of the region.

关键词： planets and satellites:individual (Mars) planets and satellites:surfaces

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One-to-many authentication for access control in mobile pay-TV systems

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Science China(Information Sciences) 2016年第5期59卷 118-132页

作者： Debiao HE neeraj kumar Han SHEN Jong-Hyouk LEE State Key Laboratory of Software Engineering Computer School Wuhan University Fujian Provincial Key Laboratory of Network Security and Cryptology Fujian Normal University Department of Computer Science and Engineering Thapar University Department of Computer Science and Engineering Sangmyung University

In traditional authentication schemes for access control in mobile pay-TV systems, one-to-one delivery is used, i.e., one authentication message per request is delivered from a head-end system(HES) to a subscriber. The performance of one-to-one delivery for authentication is not satisfactory as it requires frequent operations which results in high bandwidth consumption. To address this issue, one-to-many authentication for access control in mobile pay-TV systems was developed. It requires only one broadcasted authentication message from a HES to subscribers if there are many requests for the same service in a short period of ***, later it was revealed that the one-to-many authentication scheme was vulnerable to an impersonation attack, i.e., an attacker without any secret key could not only impersonate the mobile set(MS) to the HES but also impersonate the HES to the MS. Then, a new scheme has been recently introduced for secure operations of one-to-many authentication. However, as shown in this paper, the recent work for one-to-many authentication is still vulnerable to the impersonation attack. To mitigate this attack, in this paper, a new scheme for one-tomany authentication using bilinear pairing is proposed that eliminates security weaknesses in the previous *** obtained depict that the new improved scheme in this paper provides better performance in terms of computation and communication overheads.

关键词： authentication bilinear pairing conditional access system mobile pay-TV

A Deep Learning Approach for Landmines Detection Based on Airborne Magnetometry Imaging and Edge Computing

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Computer Modeling in Engineering & Sciences 2024年第5期139卷 2117-2137页

作者： Ahmed Barnawi Krishan kumar neeraj kumar Bander Alzahrani Amal Almansour Faculty of Computing and Information Technology King Abdulaziz UniversityJeddahSaudi Arabia Department of Computer Science and Engineering Thapar Institute of Engineering and TechnologyDeemed to be UniversityPatialaIndia

Landmines continue to pose an ongoing threat in various regions around the world,with countless buried landmines affecting numerous human *** detonation of these landmines results in thousands of casualties reported worldwide ***,there is a pressing need to employ diverse landmine detection techniques for their *** effective approach for landmine detection is UAV(Unmanned Aerial Vehicle)based AirborneMagnetometry,which identifies magnetic anomalies in the local terrestrial magnetic *** can generate a contour plot or heat map that visually represents the magnetic field *** the effectiveness of this approach,landmine removal remains a challenging and resource-intensive task,fraughtwith *** computing,on the other hand,can play a crucial role in critical drone monitoring applications like landmine *** processing data locally on a nearby edge server,edge computing can reduce communication latency and bandwidth requirements,allowing real-time analysis of magnetic field *** enables faster decision-making and more efficient landmine detection,potentially saving lives and minimizing the risks involved in the ***,edge computing can provide enhanced security and privacy by keeping sensitive data close to the source,reducing the chances of data exposure during *** paper introduces the MAGnetometry Imaging based Classification System(MAGICS),a fully automated UAV-based system designed for landmine and buried object detection and *** have developed an efficient deep learning-based strategy for automatic image classification using magnetometry dataset *** simulating the proposal in various network scenarios,we have successfully detected landmine signatures present in themagnetometry *** trained models exhibit significant performance improvements,achieving a maximum mean average precision value of 97.8%.

关键词： CNN deep learning landmine detection magnetometer mean average precision UAV