bluuebunny/crossref_metadata_2025_split huggingface dataset:
A Flexibility Enhancement Approach for Integrated Electric-Gas Energy Systems Considering Incentive-Based Demand Response
Authors: Zheng Wenzhang , Li Qiang , Yang Ming , Yu Yixiao , Feng Yankun , Lu Rui 
Published: December 2024

Abstract
In the context of large-scale grid-connected renewables, the flexible and economic operation of the power system faces greater risks. The incorporation of user-side resources can reduce the strain on the power supply from the source; the coupling of heterogeneous energy flows in the integrated electric-gas energy system (IES) can provide the power system with greater flexibility in regulation. In this paper, we first analyze the dynamic characteristics of the natural gas network and perform mathematical modeling to clarify the interaction mechanism between the electricity and gas grid. Following this, the power network is analyzed for sensitivity, and demand response contracts are signed with industrial, commercial, and residential users to determine the amount of load shedding and compensation costs for each node user. Finally, an arithmetic validation is carried out on the E24-G20 nodal system, which demonstrates the efficacy of the proposed plans through the curve of pipe storage and the reduction of the lost load volume.
Transient overvoltage control strategy based on improved VDCOL curve for AC-DC system
Authors: Wang Jiaqi , Li Yinghui , Wang Yupeng 
Published: December 2024

Abstract
In order to suppress the transient overvoltage at the bus bar of the transmission terminal of the AC-DC system, a transient overvoltage suppression strategy based on an improved VDCOL curve is proposed. Firstly, the expression of transient overvoltage is derived based on the DC short-circuit ratio, and then an evaluation index of transient overvoltage is proposed according to the standard of overvoltage. Then, according to the control curve design principle of VDCOL, an improved VDCOL curve based on the Tanh function is proposed. Finally, this suppression strategy is used to suppress the transient overvoltage at the bus terminal. Through the actual network data verification, the results show that the improved VDCOL curve has a better suppression effect on transient voltage than the traditional control curve, which proves that the strategy has higher applicability.
Research on the limit prevention system for near electric operations in power transmission and transformation engineering based on pulse radiation
Authors: Shi Changyun , He Yongjun , Zhang Bin , Chen Li , Liu Yingnan 
Published: December 2024

Abstract
To solve the problems of high risk and low efficiency in manual control of near electric operation construction, this paper proposes a pulse ray based near electric operation anti limit system for power transmission and transformation engineering. The software and hardware of the system are designed according to the functional requirements of the system. By using a pulse laser module to detect whether there is object intrusion in the near electric work area, the on-site construction safety control distance is obtained by setting the voltage level. When there is object intrusion, both the on-site and system backend will sound an alarm simultaneously. Through on-site testing, the accuracy of object intrusion warning is 100%, successfully solving the problem of the lack of intelligent control measures in near electric operations, achieving autonomous control, precise detection, and real-time warning of near electric operations.
Optimization method for grid forming control oriented to large-scale new energy grid connection
Authors: Gong Xianfu , Lu Xun , Wang Peng 
Published: December 2024

Abstract
The integration of substantial new energy sources into the traditional AC power grid introduces several disturbances and failures. These include fluctuations in new energy output in the sending-end grid, high-power failures in AC/DC transmission channels, and DC commutation failures. These issues pose significant challenges to the transmission efficiency and stability of the grid, gradually revealing numerous limitations. To address these challenges, this paper presents an optimization method for grid forming control tailored to large-scale new energy integration. Firstly, a voltage source converter-multi-terminal direct current (VSC-MTDC) multi-margin droop control approach is introduced to optimize converter station operations and improve system responsiveness to changes in DC network power flow. Secondly, a VSC-oriented grid forming power flow optimization problem is formulated. Finally, an optimization method of grid forming control for new energy grid connection is presented, utilizing the jellyfish search algorithm to solve the optimization problem. Simulation results show that this approach effectively improves the system’s operational efficiency and stability.
Voltage regulation control of three-stage synchronous generator based on modified differential evolution algorithm
Authors: Zhang Chengyu , Lv Xiaoxian , Pu Chengnan 
Published: December 2024

Abstract
In modern aviation power systems, the dynamic stability of power generation systems has become a major challenge. To tackle issues such as slow response, poor voltage stability, and voltage oscillations in aircraft synchronous generators under sudden load changes, a Proportional-Integral-Derivative (PID) voltage regulator modified using the Differential Evolution (DE) algorithm has been developed. Additionally, the DE algorithm’s convergence speed and robustness are enhanced through the incorporation of directional search strategies and adaptive control parameters. Simulation results demonstrate that the optimized regulator delivers rapid response and minimal overshoot, thereby improving the accuracy and dynamic performance of the voltage regulator. The modified DE algorithm notably accelerates convergence compared to the traditional DE algorithm.
Improvement of the control performance of cable AC voltage withstand testers
Authors: Chen Longxiao , Zhu Zhien , Yang Lingming , Gao Kai , Song Pengxian 
Published: December 2024

Abstract
The traditional cable AC withstand voltage test device has poor control accuracy and slow protection performance, and the inverter based on power switching devices can be applied to the test device to effectively solve the above problems. However, the LCL-type inverter contains resonance, which tends to cause system destabilization and reduces current quality, affecting the effectiveness of the device for testing. Differential feedback filter capacitor voltage can solve the problem and can save a high-accuracy sensor, but the differential limits its application. This paper proposes to use the negative-band pass filter (NBPF) connected to lag correction (LC) link to equivalent the differential, and it can not only effectively suppress the resonance, but also can significantly suppress high-frequency noise. An experimental platform is built for validation.
A modified P&O maximum power tracking control algorithm for independent wind energy conversion system
Authors: Wang Hui , Ma Pengfei , Hu Guang , Wang Haifeng , Zhou Yunyi , Jiang Zaiyong 
Published: December 2024

Abstract
A maximum power point tracking (MPPT) algorithm based on the three-point method is proposed in this paper, designed to improve the traditional perturb and observe (P&O) method, which often struggles to balance both dynamic and steady-state system performance. Initially, the P&O method is utilized to quickly approach the vicinity of the point where the power is max. Subsequently, the three-point method is employed to adjust the duty cycle based on historical step size and power changes, allowing the system to smoothly track the MPP and reduce oscillations. A direct-drive permanent magnet synchronous wind turbine is used as the verification object, and a simulation model incorporating uncontrolled rectification and a Boost converter is established. The algorithm is compared with traditional methods in terms of duty cycle, output power, and wind energy utilization. Results demonstrate that the proposed algorithm significantly enhances dynamic response speed, reduces system oscillations, and improves wind energy utilization efficiency compared to the conventional P&O method.
TOPSIS approach based adaptability analysis for power substation area communication schemes
Authors: Wang Qi , Song Yanbin , Lin Zhifeng , Wang Wanqiao , Guan Luyao , Ding Huixia 
Published: December 2024

Abstract
With the development of new power systems, various new services emerge in substation areas, increasing the number of end devices as well as the frequency of data collection. As a result, end terminal communication in substation areas faces significant challenges such as capacity, coverage, reliability and so on. A unified analytical model is required to evaluate various networking schemes. Therefore, in this paper we propose a technique for order preference by similarity to an ideal solution (TOPSIS) based compatibility analysis model for power communication demand indicators, which provides a theoretical evaluation criteria for substation area communication networks. Based on the model, we also introduce multiple networking schemes for comparison. The comparative results show that for three typical services, emergency response, electric frequency regulation, and peak shaving, there are three distinct networking schemes with the highest compatibility, respectively. Wherein joint HPLC, HRF, and LTE networking provide well-suited performance for substation area communication.
Memristor & its application in biological field
Authors: Duwarah Himadri , Datta Pranayee 
Published: December 2024

Abstract
Demand for highly integrated, low-power nonvolatile memories to get beyond the drawbacks of traditional memory systems has led to, Memristive/resistive switching devices which are excellent choices for non-volatile memory technology. Memristor is the 4th fundamental unit proposed by Professor Chua to give a relation between charge and magnetic flux. If a memristor’s constitutive relation is a straight line with a slope of M that passes through the origin in the ɸ –q plane, it is considered linear. The memristor’s physical realizations and potential uses remain a fascinating area for investigation.Semiconductor nanoparticles specially ZnO, ZnS QD exhibit Memristive characteristics. Employing this Memristive behaviour of biofunctionalized nanoscale particles and “voltage gap” as a novel sensing metric, several investigators attempted to assess the precise amount of microbiological contamination. Here in this work, Memristive property of some semiconductor nanoparticles like ZnO, ZnS as well as metal nanoparticle like PbS, Ag particles are studied and tried to focus on application of Memristive devices in near future in biological fields. The switching properties of bio-voltage memristors can now be used to achieve bio-voltage matching.
Exploring interface sensitivity in pentacene: Waveguide analysis of circular current and induced magnetic field
Authors: Thakuria Doli , Deka Raktimjyoti , Ganguly Sudin 
Published: December 2024

Abstract
This study delves into the intricate influence of interface sensitivity on the transport properties of polyacenes, namely pentacene. The investigation focuses on transport currents, circular currents at various loops, and induced magnetic fields, examining their behaviors under diverse lead-to-polyacene geometries. The system is described within the nearest-neighbor tight-binding framework. Applying waveguide theory, we calculate the two-terminal transmission probability and the currents are computed using the Landauer-Buttiker formalism. This comprehensive exploration sheds light on the subtle relationship between interface sensitivity and the transport characteristics of polyacenes, providing valuable insights for future advancements in molecular electronics.
Time Variable G and Λ in Five Dimensional Bulk Viscous Cosmological Model with Functional form of Hubble Parameter
Authors: Ali Nawsad 
Published: December 2024

Abstract
In this article, we have constructed a spatially-flat Kaluza-Klein type cosmological model with the matter field narrated as bulk viscous fluid united with time dependent gravitational constant G and cosmological term Λ. The viscous coefficient η is taken as a quadratic form of Hubble parameter H (i.e. η = η
0 + η
1
H + η
2
H
2, where η
0 (≥ 0), η
1 and η
2 are constants). Exact generic solutions of the field equations are acquired with help of functional form of Hubble’s parameter, which yields initial deceleration to current time acceleration of the universe. Some geometrical and kinematical behaviours are analyzed.
Theoretical Analysis of Cosmological Constant and the Constraints of Varying Fine Structure Constant
Authors: Debnath Dipa , Bhowmik Anwesha , Choudhury Shaheb , Deb Priya , Ghosh Sovan 
Published: December 2024

Abstract
Cosmological constant is considered to be one of the most important factors in cosmology after the discovery of the presence of dark energy. The ratio of vacuum energy density to matter density is expressed as function of scale factor in a cosmological model. In the present article this model is tested with two different function of scale factor. Varying fine structure is a point of concern to the cosmological constant based dark energy models. Different constraints against variation of fine structure are surfaced. The constraints are discussed in terms of the considered model in the article. Here we have analyzed those constraints.
Dynamics of Positive Charge Particles in Saturn’s D68 Ringlet Under Gravitational and Electromagnetic Forces
Authors: Lianlunthang TD Peter , Baruah Monmoyuri 
Published: December 2024

Abstract
The dynamics of positive charge particles within Saturn’s D68 ringlet, influenced by gravity and electrodynamics, were numerically studied. Our findings show that the stability of the charged particles depends on both size and initial velocity. Smaller particles are more stable and maintain their orbits longer than larger ones. Similarly, those with slower initial velocities are more stable. 0.01 nm - 0.028 nm sized cations, launched with keplerian velocity get trapped in stable orbits around Saturn for years. Slightly larger ions, 0.029nm to 0.1 nm, are unstable and descend into Saturn’s atmosphere. Particles between 0.11 nm and 1 μm intersect with D72, potentially contributing to recycling ring materials. However, when launched at Saturn’s rotational speed none of them could escape. The 0.03 nm - 0.1 nm sized particles stably orbit the planet while the 0.04 nm - 1 μm sized move inward and collide with Saturn’s atmosphere. In both the launches, the motions are confined to the equatorial plane. The unstable ones oscillate above and below the equatorial plane as they move toward and away from Saturn. This equatorial confinement helps explain electron depletion and increased conductivity in Saturn’s ionosphere at the equator. The dispersion of charge particles across longitudes and radial distances highlights the role of the Lorentz force in sorting D-ring grains by size. Our results support the argument that charged particles in the gap between Saturn and its D ring originate from the D68 ringlet.
Optimization of leptonic CP violation search using baseline configurations in neutrino oscillation experiments
Authors: Nath Ankur , Son Cao Van , Thomas Jennifer , To Quyen Phan 
Published: December 2024

Abstract
One of the fundamental goals of the neutrino program over the next decade will be to look for leptonic CP violation and precisely determine its magnitude. Neutrino oscillation measurements are frequently conducted with a near-site detector for constraining the flux and neutrino interaction models and a far-site monolithic massive detector for measuring the oscillated spectrum pattern. In this work, we present an investigation of an alternative experimental configuration to improve the CP violation measurement sensitivity by using multiple sub-detectors while keeping the overall detector mass constant and placing them at different baselines. The study makes use of neutrino beams from the T2HK, DUNE and ESSνSB experiments. It is found that the coverage of true δCP
values that can be explored with ≥ 5σ C.L. improves significantly after deploying multiple far detectors, instead of the conventional single far-detector technique.
Fokas-Lenells Derivative nonlinear Schrödinger equation its associated fundamental forms and Gaussian curvature
Authors: Talukdar Sagardeep , Dutta Riki , Saharia Gautam Kumar , Nandy Sudipta 
Published: December 2024

Abstract
One of the most important tasks in mathematics and physics is to connect differential geometry and nonlinear differential equations. In the study of nonlinear optics, integrable nonlinear differential equations such as the nonlinear Schrödinger equation (NLSE) and higher-order NLSE (HNLSE) play crucial roles. Because of the medium’s balance between dispersion and nonlinearity, all of these systems display soliton solutions. The soliton surfaces, or manifolds, connected to these integrable systems hold significance in numerous areas of mathematics and physics. We examine the use of soliton theory in differential geometry in this paper. We build the two-dimensional soliton surface in the three-dimensional Euclidean space by taking into account the Fokas-Lenells Derivative nonlinear Schrödinger equation (also known as the gauged Fokas-Lenells equation). The same is constructed by us using the Sym-Tafel formula. The first and second fundamental forms, surface area, and Gaussian curvature are obtained using a lax representation of the gauged FLE.
Efficient supercontinuum spectra by non-Gaussian pulses
Authors: Barman Chandrika , Mazumder Krishanu Lal , Mukherjee Rohit , Borgohain Nitu 
Published: December 2024

Abstract
In this article, we examine the generation of supercontinuum spectra using various non-Gaussian pulses in semiconductor quantum wells. Specifically, we employ weak probe pulses modulated by a strong optical beam, leveraging electromagnetically induced transparency within the system. Our findings indicate that the characteristics of supercontinuum generation, as compared to traditional Gaussian pulses, differ significantly when non-Gaussian pulses, such as sinh-Gaussian, cosh-Gaussian, and tanh-Gaussian pulses are being used. Notably, among the pulses studied, the cosh-Gaussian pulse achieves the broadest supercontinuum span, reaching ~21 μm, at the end of the semiconductor quantum well. These results suggest potential applications in optoelectronic and photonic devices designed for spectroscopic analysis.
Fusion dynamics in the formation of 110Sn near and below the nominal barrier
Authors: Hitesh  , Ghanghas Vijay , Samiksha  , Singh Manjeet , Chahal Rishi Pal 
Published: December 2024

Abstract
In this paper, we examine the sublime nature of intrinsic channels originated due to nuclear structures of fusion participants at energies near and below nominal barrier. For abovementioned purpose, we study the fusion data of 46Ti + 64Ni and 50Ti + 60Ni nuclear reactions using symmetric asymmetric Gaussian barrier distribution (SAGBD) method. For studied fusion reaction, Wong result drastically fails around nominal barrier while SAGBD results appropriately recovered the shape of fusion excitation functions. The evaluated χ
2-values for studied reactions are also suggests the consistency of SAGBD model.
Fusion and decay study of Cadmium nucleus formed in Calcium induced reaction at energies lying around the Coulomb barrier
Authors: Kaur Jagdeep , Kaur Amandeep , Sharma Mahinderpal , Singh Birbikram , Gautam Manjeet Singh 
Published: December 2024

Abstract
The present investigation explores the fusion-fission phenomena in the field of nuclear physics, focusing particularly on their significance in astrophysical research, namely in the nucleosynthesis process occurring in the stars. The present work intends to investigate into the formations and fragmentation mechanisms of 104Cd* system, populated in the interaction of 40Ca and 64Ni ions at energies spanning the mutual electrostatic repulsion. For analysing the formation processes in complete fusion of 40Ca+64Ni channel, the fusion excitation functions are estimated via statistical CCFULL approach along with the dynamical model named as EDWSP. The dynamical effects are included via energy dependence. The fusion models suggests that it is imperative to include energy dependence and coupling effects to harmonize the experimental data. Furthermore, the Dynamical Cluster-decay Model (DCM) framework is exploited to scrutinized the fragmentation mechanism defining the decay of 104Cd*. The decay model suggests that the structure for evaporation residues and fission fragments gets altered by the incorporation of various angular momentum states. Other parameters such as nuclear deformations and neck-length parameter also pose influence on the structural aspects of decay profiles.
Assessment of indoor activity and its associated dose due to exposure to radon and thoron in dwelling.
Authors: Pyngrope A. , Sangma P. , Kakati Ranjan Kr 
Published: December 2024

Abstract
In the present study, assessment of indoor activity of radon and thoron is being carried out in dwellings of Duligaon area of Kokrajahar, Assam, using Solid state nuclear track based detector-Single entry Pin-hole dosimeter. The observed average indoor radon and thoron concentrations is found to be 246.06 Bq.m−3 and 44.08 Bq.m−3 respectively. Notably, these values are relatively higher than the global average which is 40 Bq.m−3 for radon and 10 Bq.m−3 for thoron. However these indoor metrics are within the acceptable range (200-300 Bq.m−3) as recommended by International Commission on Radiological Protection (ICRP). The estimated annual effective dose due to radon and thoron is estimated at 8.1 mSv.y−1, which is within the action limit (3-10 mSv.y−1) set by ICRP. We have also investigated the variation of radon and thoron activity in different house types, and using appropriate Seasonal Correction Factor (SCF), we have also estimated the seasonal activity of radon and thoron.
Enhancement in the dynamic range of an astigmatic defocus sensor through intensity measurement at two out-of-focus planes
Authors: Konwar Santanu 
Published: December 2024

Abstract
The astigmatic defocus sensor is effective for measuring low strength of defocus in the optical beam phase profile. But, the sensor fails in the presence of higher strength of defocus in the optical beam, i.e. its dynamic range is low. The paper propose a modified version of the conventional astigmatic defocus sensor capable of providing enhance dynamic range compared to that of a conventional sensor. The proposed sensor requires the intensity measurement at two out-of-focus plane. A comparative study in terms of dynamic range is carried out and simulation results showing enhance dynamic range are provided to validate the proposed technique.